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Применить Всего найдено 8929. Отображено 100.
13-03-2017 дата публикации

Устройство для утилизации сточной воды

Номер: RU0000169237U1
Автор: Александр Александрович Целыковских, Антон Владимирович Алексеенко, Артур Хусаинович Курбанов, Владимир Максимович Долбилин, Игорь Васильевич Востряков, Михаил Владимирович Фадеев, Сергей Александрович Громцев, Сергей Александрович Романчиков
Принадлежит: Федеральное государственное казенное военное образовательное учреждение высшего образования "Военная академия материально-технического обеспечения имени генерала армии А.В. Хрулёва" Министерства обороны Российской Федерации

Полезная модель относится устройствам для утилизации сточных вод, в частности, после помывки личного состава в полевых условиях, когда не возможна ее очистка или слив на грунт.Технической задачей полезной модели является утилизация сточной воды путем превращения ее в пар.Техническая задача выполняется за счет того, что устройство для утилизации сточной воды отличается тем, что внутри корпус делится на две неравные половины стенкой, на которой жестко зафиксирован разделитель, лопасть дугообразной формы, а также проделано отверстие для пара, а в нижней части жестко зафиксирована перемычка, в нижней части корпуса подвижно крепится сборник, сливное отверстие, через входное отверстие в боковой стенке неподвижно фиксируется форсунка, в верхней части крепится заливная горловина и отвод. РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (13) 169 237 U1 (51) МПК B01D 1/14 (2006.01) B01J 19/26 (2006.01) C02F 1/04 (2006.01) C02F 11/18 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ФОРМУЛА ПОЛЕЗНОЙ МОДЕЛИ К ПАТЕНТУ РОССИЙСКОЙ ФЕДЕРАЦИИ (21)(22) Заявка: 2016123875, 15.06.2016 (24) Дата начала отсчета срока действия патента: 15.06.2016 13.03.2017 Приоритет(ы): (22) Дата подачи заявки: 15.06.2016 (73) Патентообладатель(и): Федеральное государственное казенное военное образовательное учреждение высшего образования "Военная академия материально-технического обеспечения имени генерала армии А.В. Хрулёва" Министерства обороны Российской Федерации (RU) Адрес для переписки: 199034, Санкт-Петербург, наб. адмирала Макарова, 8, ВАМТО, ООНР U 1 1 6 9 2 3 7 R U Термическое обезвреживание минерализованных промышленных сточных вод, Ленинград, "Химия",1975, с. 64-69, фиг. II-3, II-5. CN 103241886 B, 09.07.2014. ПРОСКУРЯКОВ В.А., ШМИДТ Л.И., Очистка сточных вод в химической промышленности, Ленинград, "Химия", 1977, с. 181-189. (54) УСТРОЙСТВО ДЛЯ УТИЛИЗАЦИИ СТОЧНОЙ ВОДЫ (57) Формула полезной модели Устройство для утилизации сточной воды, отличающееся тем, что внутри корпус делится на две ...

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Номер записи: 1
13-12-2021 дата публикации

Вертикальный сепаратор нефтегазовой смеси

Номер: RU0000208262U1
Автор: Александр Владимирович Третьяков, Вячеслав Андреевич Селиванов, Олег Владимирович Третьяков, Павел Юрьевич Илюшин, Сергей Владимирович Меркушев
Принадлежит: Павел Юрьевич Илюшин

Полезная модель относится к изделиям для транспортных систем нефтепродуктов и может быть использована для очистки нефтегазовой смеси от мехпримесей при организации контрольно-измерительных узлов нефтепроводов. Вертикальный сепаратор нефтегазовой смеси включает в себя цилиндрический корпус 1 с крышкой 2, фильтрующий блок 3, разделительное кольцо 4 и пружину 5. Цилиндрический корпус 1 выполнен с одним закрытым торцем, входным 6 и выходным 7 патрубками и сквозным боковым отверстием в нижней части с установленным в нем сливным клапаном 8. Открытый торец, расположенный в нижней части вертикального корпуса 1, закрытый съемной крышкой 2, соединен с корпусом 1 болтовым соединением. Внутри цилиндрического корпуса 1 размещен фильтрующий блок 3, включающий перфорированную по всей длине боковой поверхности трубу 9 с закрытым верхним торцем, концентрично размещенную внутри корпуса 1, не доходящую до его верхнего торца и жестко соединенную с ним вертикально ориентированной пружиной 5. Внутри трубы диспергатора 9 также концентрично установлен сам диспергатор, включающий шток 10 с установленными на нем заостренными крыльчатками 11, между которыми установлены промежуточные пружины 12. Разделительное горизонтально ориентированное кольцо 4 жестко установлено на боковой поверхности трубы диспергатора 9 между входным 6 и выходным 7 патрубками концентрично центральной оси корпуса 1. На боковой поверхности трубы диспергатора 9, вблизи нижнего торца, приварены ушки 13. Ниже разделительного кольца 4, к боковой поверхности трубы диспергатора 9, жестко присоединен перфорированный скребок 14. 1 ил. РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (13) 208 262 U1 (51) МПК B01D 19/00 (2006.01) B01J 8/10 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ОПИСАНИЕ ПОЛЕЗНОЙ МОДЕЛИ К ПАТЕНТУ (52) СПК B01D 19/00 (2021.08); B01J 8/10 (2021.08) (21)(22) Заявка: 2021121263, 16.07.2021 (24) Дата начала отсчета срока действия патента: Дата регистрации: 13.12.2021 (73) Патентообладатель(и): Илюшин Павел ...

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Номер записи: 2
29-12-2021 дата публикации

Перемешиватель жидкостей

Номер: RU0000208677U1
Автор: Виктор Геннадьевич Козлов, Станислав Валерьевич Субботин
Принадлежит: Федеральное государственное бюджетное образовательное учреждение высшего образования "ПЕРМСКИЙ ГОСУДАРСТВЕННЫЙ ГУМАНИТАРНО-ПЕДАГОГИЧЕСКИЙ УНИВЕРСИТЕТ"

Полезная модель относится к устройствам для эффективного управления перемешиванием компонентов смеси и может быть применена в различных отраслях промышленности, где необходимо получить продукты с однородным распределением физических свойств. Перемешиватель жидкостей включает вращающийся контейнер цилиндрической формы и двигатель, выполненный с возможностью вращения контейнера. Контейнер выполнен с возможностью модулирования угловой скорости его вращения со временем по гармоническому закону. Угловая частота модуляции скорости ω, с-1, удовлетворяет условию ω<2Ω, где Ω - средняя угловая скорость вращения, с-1. Технический результат: упрощение устройства с обеспечением равномерного управляемого перемешивания жидкости во вращающемся контейнере за счет инерционных волн. 1 табл. РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (13) 208 677 U1 (51) МПК B01F 9/00 (2006.01) B01F 3/08 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ОПИСАНИЕ ПОЛЕЗНОЙ МОДЕЛИ К ПАТЕНТУ (52) СПК B01F 9/00 (2021.08); B01F 3/08 (2021.08); B01J 2219/00189 (2021.08); B01J 14/00 (2021.08); B01J 19/28 (2021.08) (21)(22) Заявка: 2020139226, 27.11.2020 27.11.2020 29.12.2021 Приоритет(ы): (22) Дата подачи заявки: 27.11.2020 (45) Опубликовано: 29.12.2021 Бюл. № 1 2 0 8 6 7 7 R U (54) ПЕРЕМЕШИВАТЕЛЬ ЖИДКОСТЕЙ (57) Реферат: Полезная модель относится к устройствам для эффективного управления перемешиванием компонентов смеси и может быть применена в различных отраслях промышленности, где необходимо получить продукты с однородным распределением физических свойств. Перемешиватель жидкостей включает вращающийся контейнер цилиндрической формы и двигатель, выполненный с возможностью вращения контейнера. Контейнер выполнен с Стр.: 1 (56) Список документов, цитированных в отчете о поиске: RU 2471547 C2, 10.01.2013. SU 1046106 A1, 07.10.1983. SU 803958 A1, 15.02.1981. RU 2598454 C1, 27.09.2016. RU 2488433 C2, 27.07.2013. GB 1220215 A, 20.01.1971. EP 0005924 A1, 12.12.1979. возможностью модулирования угловой ...

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Номер записи: 3
19-01-2012 дата публикации

Multiphase contact and distribution apparatus for hydroprocessing

Номер: US20120014847A1
Автор: Abdenour Kemoun, Craig Boyak, Krishniah Parimi, Ralph E. Killen, Steve Souers, Steven X. Song, Zackory Akin
Принадлежит: Chevron USA Inc

Systems and apparatus for mixing, cooling, and distributing multiphase fluid mixtures within a reactor, wherein reactor internal apparatus of the present invention provides not only improved fluid mixing and distribution to each underlying catalyst bed surface, but also offers other advantages including: decreased mixing tray height; easier maintenance, assembly and disassembly; and decreased amounts of fabrication material. In an embodiment, fluid may be evenly distributed to a catalyst bed from a fluid distribution unit comprising a nozzle tray including a plurality of nozzles, wherein the nozzles include at least one liquid inlet disposed tangentially to an inner surface of the nozzle.

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Номер записи: 4
17-05-2012 дата публикации

Method and device for preventing corrosion on a gas inlet nozzle during nitric acid condensation

Номер: US20120119395A1
Автор: Rainer Maurer
Принадлежит: THYSSENKRUPP UHDE GMBH

By a method and a device for preventing corrosion on and in the region of a gas inlet nozzle during nitric acid condensation, contact of the condensing gas with the nozzle and with the surroundings of the nozzle are supposed to be minimized. This is achieved in that the gas inlet nozzle has a sleeve on the inside in the transition region to the interior of the condenser, by which sleeve a gas inlet orifice in the form of an annular gap is formed, whereby the annular space is provided with at least one feed opening for secondary air, so that an enveloping flow of secondary air is produced around the entering NO gas.

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Номер записи: 5
21-02-2013 дата публикации

In-line manufacture of carbon nanotubes

Номер: US20130045157A1
Автор: Nicolò Michele Brambilla, Riccardo Signorelli
Принадлежит: Fastcap Systems Corp

Mass production of carbon nanotubes (CNT) are facilitated by methods and apparatus disclosed herein. Advantageously, the methods and apparatus make use of a single production unit, and therefore provide for uninterrupted progress in a fabrication process. Embodiments of control systems for a variety of CNT production apparatus are included.

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Номер записи: 6
28-02-2013 дата публикации

Methods and Systems for Upgrading Hydrocarbon

Номер: US20130048539A1
Автор: Jose Armando Salazar, Mahendra Joshi, Thomas Edward Carter
Принадлежит: Marathon Oil Canada Corp

Methods and systems for upgrading hydrocarbon are described. The system can include a combustor and a nozzle reactor. The combustor can be used to produce a motive fluid suitable for use in the nozzle reactor. The motive fluid produced by the combustor and a hydrocarbon stream can be injected into the nozzle reactor to upgrade the hydrocarbon material. The systems and methods can also be integrated with a steam assisted gravity drainage system.

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Номер записи: 7
21-03-2013 дата публикации

INTERLOCK AND PROCESS

Номер: US20130072644A1
Автор: Chamayou Jean-Louis, Lee Stephen Kevin
Принадлежит:

The present invention relates to production of polymer, and in particular provides an interlock for use in a process for production of a polymer in a reactor, which process comprises: a. polymerising a monomer and optionally a comonomer in the reactor to produce polymer, optionally in the presence of an inert hydrocarbon, and b. withdrawing produced polymer from the reactor, said interlock being based on the temperature in the reactor, and comprising: 1. measuring the temperature in the reactor or a temperature representative of the temperature in the reactor, and 2. comparing said measured temperature to a threshold temperature, said interlock being characterised in that withdrawal is allowed if the measured temperature is greater than the threshold temperature but is prevented if the measured temperature is lower than the threshold temperature. 114-. (canceled)15. An interlock for use in a process for production of a polymer in a reactor , which process comprises:a. polymerising a monomer and optionally a comonomer in the reactor to produce polymer, optionally in the presence of an inert hydrocarbon, andb. withdrawing produced polymer from the reactor, 1. measuring the temperature in the reactor or a temperature representative of the temperature in the reactor, and', '2. comparing said measured temperature to a threshold temperature,, 'said interlock being based on the temperature in the reactor, and comprisingsaid interlock being characterised in that withdrawal is allowed if the measured temperature is greater than the threshold temperature but is prevented if the measured temperature is lower than the threshold temperature.16. An interlock for use in a process for production of a polymer in a reactor , which process comprises:a. polymerising a monomer and optionally a comonomer in the reactor to produce polymer, optionally in the presence of an inert hydrocarbon, andb. withdrawing produced polymer from the reactor, 1. measuring the pressure in the reactor or a ...

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Номер записи: 8
28-03-2013 дата публикации

INTERLOCK AND PROCESS

Номер: US20130079476A1
Автор: Chamayou Jean-Louis, Liotard Gregori Patrick, Ramsay Kevin Peter
Принадлежит: Ineos Commercial Services UK Limited

The present invention relates to the degassing of polymer powder, and in particular to an interlock for use in a process for degassing of a polymer powder in a degassing vessel, which interlock comprises: 1. measuring the temperature of the polymer powder within or exiting the degassing vessel, 2. comparing said measurement value to a threshold value in order to ascertain whether it is lower than the threshold value or not, and 3. if the measured temperature is lower than the threshold value taking one or more actions to reduce the concentration of hydrocarbons in the polymer powder exiting the degassing vessel and/or to stop the polymer powder withdrawal from that degassing vessel. 112-. (canceled)13. An interlock for use in a process for degassing of a polymer powder in a degassing vessel , which interlock comprises:1. measuring the temperature of the polymer powder within or exiting the degassing vessel,2. comparing said measured value to a threshold value in order to ascertain whether it is lower than the threshold value or not, and3. if the measured temperature is lower than said threshold value taking one or more actions to reduce the concentration of hydrocarbons in the polymer powder exiting the degassing vessel and/or to stop the polymer powder withdrawal from the degassing vessel.14. An interlock according to wherein the powder temperature is measured within the degassing vessel and in the half of the degassing vessel closest to the polymer powder exit.15. An interlock according to wherein the degassing vessel is a purge vessel in which polymer is contacted with a purge gas to remove monomers and other entrained hydrocarbons claim 13 , and the powder temperature is measured by measurement of the temperature of the purge gas after contact with the polymer powder.16. An interlock according to wherein the threshold value is adjusted depending on the polymer to be degassed and is defined by a fixed temperature differential between an upstream process condition ...

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Номер записи: 9
11-04-2013 дата публикации

Process for the Gas-Phase Polymerization of Olefins

Номер: US20130090436A1
Автор: BALESTRA ENRICO, Caputo Tiziana, Mazzucco Antonio, Rinaldi Riccardo, Soffritti Silvia
Принадлежит: Basell Poliolefine Italia, S.r.l.

A process for the gas-phase copolymerization of: (a) propylene, (b) at least one C-Cα-olefin, and (c) optionally ethylene, 1. A process for the gas-phase copolymerization of:(a) propylene,{'sub': 4', '8, '(b) at least one C-Cα-olefin, and'}(c) optionally ethylene,the process being carried out in a reactor having two interconnected polymerization zones, wherein the growing polymer particles flow through the first of said polymerization zones (riser) under fast fluidization conditions, leave said riser and enter the second of said polymerization zones (downcomer) through which they flow downward in a densified form, leave said downcomer and are reintroduced into said riser, thus establishing a circulation of polymer between the riser and the downcomer,{'sub': 4', '8, 'the gas mixture present in the riser being at least partially prevented from entering the downcomer by introducing into the upper part of said downcomer a liquid barrier having a composition different from the gaseous mixture present in the riser and comprising at least one C-Cα-olefin in a total amount of from 0.1% to 35% by mol.'}2. The process according to claim 1 , wherein the partial evaporation of said liquid barrier generates in the upper part of the downcomer a flow of gas moving counter-currently to the flow of descendent polymer.3. The process according to claim 1 , wherein the C-Cα-olefin is 1-hexene and its amount ranges from 0.1% to 10% by mol.4. The process according to claim 3 , wherein the liquid barrier further comprises:from 70 to 90% by mol of propylene;from 5 to 15% by mol of propane; andfrom 0 to 5% by mol of ethylene;5. The process according to claim 4 , wherein the obtained polyolefin contains from 0.2 to 8.0% by weight of recurring units derived from 1-hexene.6. The process according to claim 1 , wherein the C-Cα-olefin is 1-butene and its amount ranges from 2% to 30% by mol.7. The process according to claim 6 , wherein the liquid barrier further comprises:from 50 to 90% by mol of ...

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Номер записи: 10
18-04-2013 дата публикации

PROCESS FOR PRODUCING FUNCTIONALIZED POLYMERS

Номер: US20130096267A1
Автор: Luo Steven, McCauley Kevin M., SHETTY Randhir, Smale Mark W., TARTAMELLA Timothy L.
Принадлежит: BRIDGESTONE CORPORATION

A method for preparing a functionalized polymer, the method comprising the steps of (a) polymerizing monomer in the presence of a coordination catalyst to form a polymer, (b) inhibiting said step of polymerizing with a Lewis base, and (c) reacting the polymer with a functionalizing agent. 1. A continuous polymerization method for preparing a functionalized polymer , the method comprising the steps of:(a) continuously introducing monomer and a coordination catalyst to form a polymerization mixture;(b) allowing at least a portion of the monomer to polymerize into a reactive polymer within a first zone;(c) continuously removing the polymerization mixture from the first zone and transferring the mixture to a second zone;(d) continuously introducing a Lewis base to the polymerization mixture after removal from the first zone;(e) continuously introducing a functionalizing agent to the polymerization mixture after removal from the first zone.2. The method of claim 1 , polymerization mixture includes less than about 20% by weight solvent.3. The method of claim 1 , where said step of introducing a Lewis base includes introducing the Lewis base in a sufficient amount to substantially cease the polymerization of monomer.4. The method of claim 1 , after said step of continuously introducing a Lewis base claim 1 , further comprising continuously removing the polymerization mixture from the second zone and transferring the mixture to a third zone.5. The method of claim 1 , where the reactive polymer has an active terminus.6. The method of claim 5 , where the functionalizing agent reacts with the reactive polymer at its active terminus.7. The method of claim 1 , where the polymerization mixture includes less than about 5% by weight solvent.8. The method of claim 1 , where said steps of continuously introducing monomer and said step of allowing at least a portion of the monomer to polymerize take place within an elongated reactor.9. The method of claim 1 , where said step of ...

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Номер записи: 11
25-04-2013 дата публикации

DROPLET GENERATION SYSTEM AND METHOD

Номер: US20130101500A1
Автор: Chang Han Kwon, Jang Hee Dong, Lim Kok Seng, Nikolov Jonian
Принадлежит:

A droplet generation system includes a first nozzle configuration structured to receive a liquid and a gas under pressure in a controllable feed ratio, and to merge the liquid and gas to form an intermediate stream that is a mixture of the gas and of a dispersed phase of the liquid. A second nozzle configuration is connected to receive the intermediate stream from the first nozzle configuration and has a valve mechanism with one or more controllable operating parameters to emit a stream of droplets of the liquid. The mean size of the droplets is dependent on the controllable feed ratio of the liquid and gas and the flow rate of the stream of droplets is dependent on the controllable operating parameter(s) of the valve mechanism. A corresponding method is disclosed, as is the application of the system and method to the production of nanoparticles in a thermochemical reactor. 1. A droplet generation system , comprising:a first nozzle configuration structured to receive a liquid and a gas under pressure in a controllable feed ratio, and to merge the liquid and gas to form an intermediate stream that is a mixture of the gas and of a dispersed phase of the liquid; anda second nozzle configuration that is connected to receive the intermediate stream from the first nozzle configuration and has a valve mechanism with one or more controllable operating parameters to emit a stream of droplets of said liquid;wherein the mean size of the droplets is dependent on said controllable feed ratio of the liquid and gas and the flow rate of the stream of droplets is dependent on the controllable operating parameter(s) of the valve mechanism.2. The system according to wherein the controllable operating parameter of the valve mechanism is its duty cycle.3. The system according to wherein the controllable operating parameter of the valve mechanism is its frequency of opening and the period for which it is open.4. The system according to wherein the first nozzle configuration includes a ...

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Номер записи: 12
25-04-2013 дата публикации

Vacuum recycling apparatus and method for refining solar grade polysilicon

Номер: US20130102102A1
Автор: Wen-Pin Sun
Принадлежит: Individual

A vacuum recycling apparatus for refining solar grade polysilicon is provided which contains a vacuum degassing (VD) device and a vacuum recycling (RH) device. By storing liquid silicon in a bucket in the VD device, controlling the pressure inside the VD and RH devices, and introducing inert gas into the apparatus, the liquid silicon is stirred for the removal of impurities. With the present invention, solar grade polysilicon can be directly produced with a specified purity, significantly reducing the production time and cost.

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Номер записи: 13
25-04-2013 дата публикации

PROCESS FOR IMPROVING THE DEVOLATILIZATION OF POLYMER SLURRY PRODUCED IN A POLYMERIZATION REACTOR

Номер: US20130102741A1
Автор: Moers Marc, Van Looveren Lieven, Wijffels Mathias
Принадлежит: TOTAL PETROCHEMICALS RESEARCH FELUY

The present invention relates to a process for improving the devolatilization of polymer slurry produced in an olefin polymerization reactor. The process is characterized in that it involves an adjustment of the temperature of the interior surface of the flash line for periodically transferring polymer slurry from the polymerization reactor to a downstream processing unit. In particular, in accordance with the present process, the temperature of the interior surface of the flash line is adjusted to a temperature which is equal to or higher than the softening temperature of the polymer passing through said flash line whereby said temperature is higher in a first half of the length of the flash line than in the remaining length of the flash line. 113-. (canceled)15. The process of claim 14 , wherein the flash line comprises different flash line zones claim 14 , and wherein the temperature of the interior surface of the flash line varies in the different zones.16. The process of claim 14 , wherein the temperature of the interior surface of the flash line or a zone thereof is adjusted by adjusting temperature claim 14 , pressure and/or flow of the fluid heating the flash line or a zone thereof.17. The process of claim 14 , wherein the temperature of the interior surface of the flash line is up to 10% higher in the first half of the length of the flash line than in the remaining length of the flash line.18. The process of further comprising periodically withdrawing the polymer slurry from the polymerization reactor through one or more settling legs; and passing the withdrawn polymer slurry from the settling legs through one or more heated flash lines into a flash tank.19. The process of claim 19 , wherein the one or more settling legs comprise at least two settling legs.20. The process of claim 14 , wherein the flash tank is operated at a pressure of between 0.1 and 4 bar. The present invention relates to the field of olefin polymerization. In particular, the present ...

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Номер записи: 14
25-04-2013 дата публикации

PUMPING APPARATUS AND PROCESS FOR POLYMERIZATION IN LOOP REACTORS

Номер: US20130102742A1
Автор: Franklin Robert K., Hottovy John D., Russell Donald Paul, Zellers Dale A.
Принадлежит:

An olefin polymerization process and apparatus wherein a fluid slurry comprising monomer, diluent and catalyst is circulated in a continuous loop reactor by two or more pumps. The process and apparatus allow operating the reaction at significantly higher solids content in the circulating fluid slurry. In a preferred embodiment, the fluid slurry is circulated by two impellers arranged so that the downstream impeller benefits from the rotational energy imparted by the upstream impeller. An olefin polymerization process operating at higher reactor solids by virtue of more aggressive circulation has improved efficiencies, particularly in larger-volume reactors. 1. A loop slurry polymerization process comprising:introducing monomer, and catalyst to a loop reactor;polymerizing the monomer to form a slurry comprising solid polyolefin particles in a liquid medium;circulating the slurry using two impellers;imparting a first rotational motion to the slurry with a first of the impellers;imparting a second rotational motion to the slurry with a second of the impellers, wherein the second rotational motion is opposite to the first rotational motion.2. The loop slurry polymerization process of further comprising pre-swirling the slurry upstream of the first impeller claim 1 , in a direction opposite to the first rotational motion of the impeller of the first impeller.3. The loop slurry polymerization process of further comprising post-swirling the slurry downstream of the second pump claim 1 , in the same direction as the second rotational motion of the impeller of the second pump.4. A loop slurry polymerization process according to claim 1 , further comprising minimizing a clearance between at least one impeller and a portion of the loop reactor housing the impeller.5. A loop slurry polymerization process according to claim 1 , wherein the slurry has a concentration of the solid polyolefin particles of at least about 45 weight percent and at most about 75 weight percent.6. A ...

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Номер записи: 15
09-05-2013 дата публикации

Method and Apparatus for Monitoring and Restoring Electrical Properties of Polymerization Reactor Wall Film

Номер: US20130116391A1
Автор: Deckman Harry W., Lamberti William A., Markel Eric J.
Принадлежит: UNIVATION TECHNOLOGIES, LLC

Described herein are methods for monitoring and restoring electrical properties of polymerization reactor wall films. The method may comprise using a reactor wall monitor to monitor and determine an electrical property, such as the bed voltage or breakdown voltage, of the wall film The method may further comprise adding continuity additive to the reactor and/or adjusting the feed rate of continuity additive being added to the reactor in response to the measured electrical property. 1. A method for polymerizing olefins comprising: (i) during a first interval of time during the reaction in the reactor system, operating the static probe to generate high speed data indicative of bubbling in the fluid bed; and', '(ii) determining from the high speed data at least one electrical property of the coating;, '(a) during a polymerization reaction using at least one static probe in a fluid bed reactor system to monitor a coating comprising a film of polymer on a surface of the reactor system and a distal portion of each said static probe, wherein the coating is exposed to flowing fluid within the system, said monitoring including steps of(b) comparing the electrical property determined in step (a) with a reference breakdown voltage of the coating; and(c) if the electrical property is less than the reference breakdown voltage of the coating adding continuity additive to the polymerization reactor for a period of time until the determined electrical property of the coating is greater than or equal to the reference breakdown voltage of the coating.2. The method of claim 1 , wherein said surface of the reactor system is a bed wall and the coating is exposed to flowing fluid within the fluid bed during the reaction.3. The method of claim 1 , wherein the coating is a film of polymer.4. The method of claim 1 , wherein the high speed data include frequency components in a range from about 1 Hz to about 10 Hz claim 1 , and the first interval is at least one minute in duration.5. The ...

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Номер записи: 16
16-05-2013 дата публикации

Process for preparing polyolefins

Номер: US20130123441A1
Автор: Damme Eric, Dewachter Daan, Siraux Daniel, Vantomme Aurélien
Принадлежит: TOTAL RESEARCH & TECHNOLOGY FELUY

The present invention relates to a process of preparing a polyolefin in a loop reactor by introducing anti-fouling agent through a sleeve provided around at least part of the shaft of the pump. Also, the invention relates to the use of anti-fouling agent to prevent or reduce fouling by feeding the anti-fouling agent against the impeller of the pump upon introduction to the loop reactor. 1. Process of preparing a polyolefin in a loop reactor in the presence of anti-fouling agent , said loop reactor comprising interconnected pipes , defining a reactor path , and an axial pump comprising a motor , a shaft and an impeller , characterized in that at least part of the anti-fouling agent is introduced into said loop reactor through a sleeve provided around at least part of the shaft of said pump.2. Process according to claim 1 , wherein at least part of the anti-fouling agent is fed against the side of the impeller which is connected to the shaft of said pump.3. Process according to claim 1 , wherein all anti-fouling agent is fed through the sleeve into the reactor.4. Process according to claim 1 , wherein the anti-fouling agent is dissolved at a concentration of 0.1-10% by weight in a solvent.5. Process according to claim 1 , wherein the anti-fouling agent is fed under flushing with diluent.6. Process according to claim 1 , wherein the diluent comprises less than 15% by weight of monomer claim 1 , preferably less than 10% by weight claim 1 , more preferably less than 5% by weight claim 1 , most preferably less than 1% by weight of monomer.7. Process according to claim 1 , wherein said polyolefin is produced in slurry conditions.8. Process according to claim 1 , wherein said process is performed in a double loop reactor.9. Process according to claim 1 , wherein the anti-fouling agent is introduced into the first loop reactor of the double loop reactor through a sleeve provided around at least part of the shaft of the pump of the first loop reactor.10. Process according to ...

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Номер записи: 17
16-05-2013 дата публикации

Process for preparing polyolefins and use of antifouling agents therein

Номер: US20130123443A1
Автор: Dewachter Daan, Siraux Daniel
Принадлежит: TOTAL RESEARCH & TCCHNOLOGY FELUY

The present invention relates to a process of preparing a polyethylene in a loop reactor in the presence of antifouling agent comprising the steps of: 1. Process of preparing polyethylene in a loop reactor in the presence of antifouling agent comprising the steps of:a) feeding into said loop reactor diluent, monomers, optionally hydrogen, and optionally one or more co-monomers to produce a liquid phase;b) introducing antifouling agent into said loop reactor,c) introducing a catalyst into the liquid phase to produce a slurry; andd) polymerizing the monomers and optional co-monomers to form the polyethylene, characterized in that the time difference between introduction of the antifouling agent and introduction of the catalyst is at most 3 hours.2. Process according to claim 1 , wherein said polyethylene is produced in slurry conditions.33. Process according to or claim 1 , wherein antifouling agent is introduced in said loop reactor at most hours before introduction of the catalyst of step c) in the liquid phase.4. Process according to any of to claim 1 , wherein antifouling agent is introduced in said loop reactor at least 1 minute before introduction of the catalyst of step c) in the liquid phase.5. Process according to any of to claim 1 , wherein antifouling agent is introduced in said loop reactor at most 1 hour after introduction of the catalyst of step c) in said liquid phase.6. Process according to any of to claim 1 , wherein antifouling agent is introduced in said loop reactor at least 1 minute after introduction of the catalyst of step c) in said liquid phase.7. Process according to any of to claim 1 , wherein in step c) the catalyst is introduced into the liquid phase when the concentration of antifouling agent is ranging from 0 to less than 0.3 ppm.8. Process according to any of to claim 1 , wherein said polyolefin is polyethylene.9. Process according to any of to claim 1 , wherein the process further comprises the step of (e) subsequently increasing the ...

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Номер записи: 18
23-05-2013 дата публикации

METHOD FOR PRODUCING POLYETHYLENE

Номер: US20130131288A1
Автор: Brusselle Alain, Dewachter Daan, Fant Franky, Stevens Peter
Принадлежит: TOTAL RESEARCH & TECHNOLOGY FELUY

The present invention relates to a method for consecutively producing at least two different polyethylene resins in one slurry loop reactor, comprising producing a first polyethylene resin in the presence of a Ziegler-Natta and/or a Chromium catalyst, and consecutively producing a second polyethylene resin in the presence of a metallocene catalyst, characterized in that the ratio of the melt flow index of the first produced polyethylene resin to the melt flow index of the second produced polyethylene resin is at least 0.3. 1. Method for consecutively producing at least two different polyethylene resins in one slurry loop reactor , comprising the steps of producing a first polyethylene resin in the presence of a Ziegler-Natta and/or a Chromium catalyst , and consecutively producing a second polyethylene resin in the presence of a metallocene catalyst , characterized in that the ratio of the melt flow index of the first produced polyethylene resin to the melt flow index of the second produced polyethylene resin is at least 0.3.2. Method according to claim 1 , wherein said production is performed continuously.3. Method according to claim 1 , wherein the ratio of the melt flow index of the first produced polyethylene to the melt flow index of the second produced polyethylene is at least 1.4. Method according to claim 1 , wherein the ratio of the melt flow index of the first produced polyethylene to the melt flow index of the second produced polyethylene is at least 3.5. Method according to claim 1 , wherein the ratio between the melt flow index of said first resin and the melt flow index of said second resin is between 0.3 and 15.6. Method according to claim 1 , wherein the first polyethylene resin is produced in the presence of a Ziegler-Natta catalyst.7. Method of transition between polyethylene resins of different grades comprising the steps of producing in a loop reactor a first polyethylene resin in the presence of a Ziegler-Natta and/or a Chromium catalyst claim 1 ...

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Номер записи: 19
13-06-2013 дата публикации

INSULATOR UNIT

Номер: US20130149218A1
Автор: Höglund Kasper, Lingvall Magnus
Принадлежит: ALFA LAVAL CORPORATE AB

An insulator unit for a multipurpose flow module, such as a plate reactor, comprising a plurality of thermally insulating layers arranged in a sandwich structure with a plurality of plates, to provide thermal insulation across the sandwich structure. 115-. (canceled)16. An insulator unit for a multipurpose flow module , comprising a plurality of thermally insulating layers arranged in a sandwich structure with a plurality of plates , to provide thermal insulation across the sandwich structure.17. An insulator unit according to claim 16 , wherein the sandwich structure comprises at least one elastic member.18. An insulator unit according to claim 17 , wherein said at least one elastic member is at least one insulating layer.19. An insulator unit according to claim 16 , wherein each insulating layer is in the form of a continuous sheet of an insulating material.20. An insulator unit according to claim 16 , wherein at least one of the plates is patterned so that to retain an adjacent insulating layer in the sandwich structure upon compression.21. An insulator unit according to claim 20 , wherein the patterned plate is provided with a plurality of openings extending through the same plate claim 20 , which openings are distributed over the plate.22. An insulator unit according to claim 21 , wherein the area of the openings make up at least 5 percent and preferably less than 20 percent of the surface area of the patterned plate.23. An insulator unit according to claim 16 , wherein at least one of the insulating layers comprises expanded PTFE or a material selected from one or more of the materials in the group consisting of expanded PTFE claim 16 , PEEK and PPS.24. An insulator unit according to claim 16 , wherein at least one of the plates is a metal plate claim 16 , preferably a stainless steel plate.25. An insulator unit according to claim 16 , wherein the insulator unit further comprises fastening means keeping the sandwich structure together.26. An insulator unit ...

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Номер записи: 20
27-06-2013 дата публикации

Method for Continuously Producing Thermoplastic Resin From Conjugated Diene and Thermoplastic Resin Produced by the Same

Номер: US20130165604A1
Автор: Chang Young Kyu, HONG Jae Keun, Kim Sung Hun, Yoo Dong Keun
Принадлежит: CHEIL INDUSTRIES INC.

A method for continuously producing a thermoplastic resin from a conjugated diene includes: primarily polymerizing a conjugated diene monomer with an aromatic vinyl monomer in a first solvent in a first reactor, and feeding a hydroxyl group-containing polymerization inhibitor and a polar hydrocarbon to the first reactor to prepare a rubber solution; and adding an aromatic vinyl monomer and a monomer copolymerizable with the aromatic vinyl monomer to the rubber solution, and subjecting the mixture to secondary polymerization in a second solvent of the same kind as the first solvent in a second reactor. The method can provide a thermoplastic resin that can have excellent color and low gloss characteristics. 1. A method for continuously producing a thermoplastic resin from a conjugated diene , the method comprising:primarily polymerizing a conjugated diene monomer with an aromatic vinyl monomer in a first solvent in a first reactor, and feeding a hydroxyl group-containing polymerization inhibitor and a polar hydrocarbon to the first reactor to prepare a rubber solution; andadding an aromatic vinyl monomer and a monomer copolymerizable with the aromatic vinyl monomer to the rubber solution, and subjecting the mixture to secondary polymerization in a second solvent of the same kind as the first solvent in a second reactor.2. The method as claimed in claim 1 , wherein the conjugated diene monomer is butadiene claim 1 , isoprene or a combination thereof.3. The method as claimed in claim 1 , wherein the polymerization in the first reactor is carried out using an organometallic catalyst.4. The method as claimed in claim 1 , wherein a vinyl modifier is added for the polymerization in the first reactor.5. The method as claimed in claim 1 , wherein the rubber solution prepared by the polymerization in the first reactor is concentrated by extrusion before being fed into the second reactor.6. The method as claimed in claim 1 , wherein the first and second solvents are aromatic ...

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Номер записи: 21
11-07-2013 дата публикации

High-speed mixing reactor and application thereof

Номер: US20130178596A1
Автор: Dezhen Sun, Jiansheng Ding, Qingle Hou, Weiqi Hua, Wenbo Wang, Xueli Yu
Принадлежит: Yantai Wanhua Polyurethanes Co Ltd

Disclosed is a rapid mixing reactor, comprising a first feed-in passage housing, a reactor housing, a second feed-in passage, a hollow blade-wheel feed distributor, a rotation shaft, and a first feed distributor, wherein the first feed-in passage housing and the reactor housing are constructed coaxially and communicated with each other; the second feed-in passage, the hollow blade-wheel feed distributor and the rotation shaft each are fixed in connection with each other in the sequence along the central axis of the reactor; the hollow blade-wheel feed distributor is located within the reactor housing and rotates axially under the driving force of the rotation shaft; the second feed-in passage is connected with the hollow blade-wheel feed distributor; the first feed-in passage housing is set up with at least one first feed-in inlet therein; the reactor housing is set up with at least one reaction liquid outlet at its distal end; and the first feed distributor and the hollow blade-wheel feed distributor are provided with first feed-in jetting hole(s) and second feed-in jetting hole(s), respectively. The reactor is capable of effecting instantaneously rapid mixing of two streams of fluid under a massive capacity, and improving the yield and quality of the target product.

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Номер записи: 22
11-07-2013 дата публикации

TISSUE DIGESTION METHOD AND APPARATUS

Номер: US20130178687A1
Автор: Wilson Joseph H., Wilson Lucas J.
Принадлежит: BIO-RESPONSE SOLUTIONS, INC.

Tissue digestion methods and apparatuses that provide easy, safe and inexpensive disposal of biological tissue, for example animal carcasses and human cadavers, are disclosed. Embodiments include tissue digesters with elongated cylindrical vessels for holding digestive fluid and baskets for holding tissue within said vessel. Embodiments include baskets with perforations to allow circulation of digestive fluid around and about the tissue. In one form the basket holding the tissue is horizontally loaded into a horizontally disposed vessel. The vessel is then tilted to a more vertical orientation. Gravity helps to collect the tissue fragments in a sloped collection region of the basket, which is located near a mixer to allow continual agitation of the tissue fragments as they are digested. The tissue digester can operate efficiently at lower temperature and pressures, is mechanically less complicated, consumes less power and is less expensive to manufacture than conventional tissue digesting systems. At higher temperatures employed in a pressure vessel provided by this invention, the tilting mechanism also dramatically improves the efficiency of the process and the completeness of the tissue digestion. 1. An apparatus , comprising:a support member; and a liquid holding portion that holds digestive liquid; and', 'a tissue insertion portion through which tissue is inserted into the liquid holding portion;, 'a tissue digestion container coupled to the support member, the tissue digestion container including'}wherein the tissue digestion container tilts from a loading position where tissue may be inserted into the tissue digestion container to a tissue digestion position where the tissue is digested by the digestive liquid.2. The apparatus of claim 1 , wherein the tissue digestion container is pivotally coupled to said support member.3. The apparatus of claim 1 , further comprising:a basket-like member that is removably insertable into the tissue digestion container and in ...

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Номер записи: 23
18-07-2013 дата публикации

Ethylene-Based Interpolymers and Processes to Make the Same

Номер: US20130184419A1
Автор: Berbee Otto J., Gagnon Roger G., Gutermuth Bryan, Jasek Mark, Nunez Laura
Принадлежит:

Ethylene-based interpolymers, e.g., ethylene-acrylic acid copolymers, are made by a process comprising the steps of: A. Injecting a first feed comprising a chain transfer agent system (CTA system) and ethylene into a first autoclave reactor zone to produce a first zone reaction product, the CTA system of the first reactor zone having a transfer activity Z1; and B. (1) Transferring at least part of the first zone reaction product to a second reactor zone selected from a second autoclave reactor zone or a tubular reactor zone, and (2) at least one of transferring or freshly injecting a feed comprising a CTA system into the second reactor zone to produce a second zone reaction product, the CTA system of the second reactor zone having a transfer activity of Z2; and with the proviso that the ratio of Z1:Z2 is greater than 1. The comonomer comprises at least one carboxylic acid group or an anhydride group. 2. The process of claim 1 , further comprising one or more steps of transferring a zone reaction product produced in an (ith−1) reaction zone to an (ith) reaction zone claim 1 , where 3≦i≦n claim 1 , and n≧3 claim 1 , each zone operating at polymerization conditions claim 1 , and injecting an (ith) feed comprising a CTA system into the (ith) reaction zone claim 1 , the CTA system of the (ith) reaction zone having a transfer activity of Zi; andwith the proviso that the ratio of Z1/Zi is greater than 1.3. The process of claim 1 , in which the second feed further comprises ethylene.4. The process of claim 1 , in which the at least one comonomer is selected from acrylic acid claim 1 , methacrylic acid claim 1 , or a combination thereof.5. The process of claim 1 , in which at least part of the first zone reaction product is transferred to a second autoclave reactor zone.6. The process of claim 1 , in which at least part of the first zone reaction product is transferred to a tubular reactor zone.7. The process of claim 1 , in which each feed to each reactor zone contains the ...

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Номер записи: 24
01-08-2013 дата публикации

CONTINUOUS PROCESS FOR PREPARING POLYFLUOROACRYLATE PARTICLES

Номер: US20130197170A1
Автор: Tyson George
Принадлежит: Relypsa, Inc.

The present invention is directed to a continuous process for preparing a crosslinked polymer comprising a fluoro group. 4. The process of wherein the polymer comprises structural units corresponding to Formulae 1 claim 1 , 2 and 3.5. The process wherein either:(i) the structural units corresponding to Formula 1 constitute at least about 85 wt. % based on the total weight of structural units of Formulae 1, 2, and 3 in the polymer calculated from the amounts of monomers used in the polymerization reaction, and the weight ratio of the structural unit corresponding to Formula 2 to the structural unit corresponding to Formula 3 is from about 4:1 to about 1:4, or(ii) the mole fraction of the structural unit of Formula 1 in the polymer is at least about 0.87 based on the total number of moles of the structural units of Formulae 1, 2, and 3 calculated from the amounts of monomers used in the polymerization reaction, and the mole ratio of the structural unit of Formula 2 to the structural unit of Formula 3 is from about 0.2:1 to about 7:1.6. The process of wherein the polymer comprises structural units corresponding to Formulae 1 and 2.7. The process of wherein the polymer comprises structural units corresponding to Formulae 1 and 3.10. The process of wherein the polymerization mixture further comprises a polymerization initiator.11. The process of claim 1 , further comprising a continuous reactor claim 1 , with an aqueous phase and an organic phase fed to the reactor.12. The process of claim 11 , wherein the organic phase comprises a mixture of monomers that are mixed in a mixer prior to being fed to the reactor.13. The process of claim 11 , wherein the aqueous phase comprises a mixture of water claim 11 , surfactant and salts are mixed prior to being fed to the reactor.14. The process of claim 11 , wherein the reactor is a plug flow reactor.15. The process of claim 14 , wherein the plug flow reactor additionally comprises an orifice plate.16. The process of claim 15 , ...

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Номер записи: 25
08-08-2013 дата публикации

Method For Controlling Bubble Formation In Polymerization Reactors

Номер: US20130203946A1
Автор: Hedengren John D., Lawson Kevin W., Smith Lawrence C.
Принадлежит:

Disclosed herein are methods for controlling bubble formation in a polymerization reactor. The method includes: (a) determining a concentration of at least one component at a location in the reactor using a mathematical model; (b) determining a vapor pressure of the composition based at least in part upon the concentration of the component; (c) determining an operating pressure of the reactor at the location; (d) determining a pressure difference as ΔP =P-P, wherein Pis the operating pressure and Pis the vapor pressure; (e) comparing the ΔP to a threshold value; and (f) implementing an effect when the ΔP is less than the threshold value. 1. A method for controlling bubble formation in a polymerization reactor , the reactor containing a composition comprising at least one component , the method comprising:(a) determining a concentration of the at least one component in the composition at a location in the reactor using a mathematical model;(b) determining a vapor pressure of the composition based at least in part upon the concentration of the at least one component;(c) determining an operating pressure of the reactor at the location;{'sub': X', 'V', 'X', 'V, '(d) determining a pressure difference as ΔP=P−P, wherein Pis the operating pressure and Pis the vapor pressure;'}(e) comparing the ΔP to a threshold value, wherein the threshold value reflects a desired difference between the vapor pressure and operating pressure, and wherein a ΔP that is greater than the threshold value produces an acceptable amount of bubble formation; and(f) implementing an effect when the ΔP is less than the threshold value.2. The method of claim 1 , wherein one or more of (a) through (f) are conducted on a real-time basis.3. The method of claim 1 , wherein the method is conducted during change of a reactant supplied to the reactor during a grade transition.4. The method of claim 1 , wherein steps (a) through (f) are conducted at more than one location within the reactor.5. The method of ...

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Номер записи: 26
15-08-2013 дата публикации

Hydrocarbon/oxygen industrial gas mixer with water mist

Номер: US20130208559A1
Автор: Charles W. Lipp, Christopher P. Christenson, Harvey E. Andresen, John R. Mayer, Laurence G. Britton, Michael J. Rangitsch, Michael L. Hutchison, Thomas J. Kling, Victor R. Fey
Принадлежит: DOW TECHNOLOGY INVESTMENTS LLC

A hydrocarbon-containing gas is mixed with an oxygen-containing gas in a gas mixer in the presence of a water mist. The water mist surrounds and contacts entrained particles in either the oxygen-containing gas stream or the hydrocarbon-containing gas stream. The water acts to suppress and prevent ignition of the hydrocarbon gas in the mixer by serving as a sink for heat created by energetic collisions between such particles and structures within the gas mixer. The water mist also acts to quench ignition caused by such collisions. The water mist can be introduced into the gas mixer in a number of different configurations, including via nozzles injecting a mist into a hydrocarbon gas manifold or an oxygen gas manifold, nozzles placed within the gas mixer adjacent to ends of the oxygen supply pipes, and nozzles placed coaxially within the oxygen supply pipes in the gas mixer.

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Номер записи: 27
29-08-2013 дата публикации

FLUID SHOCKWAVE REACTOR

Номер: US20130221141A1
Автор: Zhang Chuanzhong, Zhang Xiaoding
Принадлежит:

The present invention relates to a fluid shockwave reactor. The fluid shockwave reactor introduces laser resonance theory into the field of fluid physics. It consists of a shockwave resonance energy concentration device and at least one set of jet collision device. The shockwave resonance energy concentration device can enhance the shockwave strength produced during jet collisions; strengthen the ultrahigh pressure and cavitation effect of the shockwave field; it can also intensify physical and chemical effects on the processed materials. The fluid shockwave reactor can achieve ultrafine crushing on the fluid materials with lower energy consumption. Under certain technological conditions, the fluid shockwave reactor may also effectively catalytize the chemical reaction process on fluid materials. 1. A fluid shockwave reactor , comprising a shockwave resonance energy concentration device and at least one set of jet collision device ,wherein said jet collision device is composed of two sets of coaxial and opposite nozzle parts, each of said two sets of coaxial and opposite nozzle parts having the same nozzle,wherein said shockwave resonance energy concentration device is a chamber combined with rigid spherical concave surfaces or other rigid convergent surfaces configured to reunite the shockwaves emitted from a focus and converge them back to said focus to produce new shockwaves,wherein said chamber has a jet orifice that holds said nozzle parts and a discharge port that permits outflow of the processed fluid from said chamber,wherein a mid-point between said two nozzles is the location where jet collisions occur and is disposed at a center of said spherical concave surfaces or said focus of all combined convergent surfaces,wherein a sum of the cross-sectional area of said discharge port is greater than a total cross-sectional area of all of said nozzles, and the cross-sectional area of said discharge port and the open position of said discharge port keeps ...

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Номер записи: 28
26-09-2013 дата публикации

DEVICE AND METHOD FOR PRODUCING SUSPENSIONS OR WET PASTES OF NANOPOWDERS OR ULTRA-FINE POWDERS

Номер: US20130248614A1
Автор: Guizard Benoit, Maskrot Hicham
Принадлежит: Commissariat A L'Energie Atomique Et Aux Energies Alternatives

A device and a method for producing suspensions or wet pastes of nanoparticles or ultra-fine particles. The method comprises: introducing a flow of particles of nanometric or submicronic size into a first compartment of a chamber having a bulk density between 15 and 100 g/L; forming, in the first compartment, a spray of droplets between 1 and 10 micrometres in size, by injecting a solvent in liquid or gas form into a second compartment of the device and passing said solvent through the filtering means, the solvent being chosen from the solvents which are liquid at ambient temperature and at atmospheric pressure; stopping the formation of the spray when the entire quantity of particles contained in the first compartment forms, as required, with the solvent, a suspension comprising between 80 and 99.9% solvent, if the solvent is introduced into the second compartment in liquid form, or a wet paste comprising between 1 and 10% solvent, if the solvent is introduced into the second compartment in gas form; recovering the suspension or wet paste formed. 1. A device for producing a suspension or a wet paste of particles of nanometric or submicronic size , comprising:a chamber having a first and a second compartment arranged on top of each other;filtering means arranged in the chamber between the first and second compartments, said means being suitable for preventing the-passage of particles of nanometric or submicronic size, while enabling passage of a fluid, from one compartment to the other;means for introducing a flow of particles of nanometric or submicronic size having a bulk density between 15 and 100 g/L, situated in the first compartment;means for discharging gas, situated in the second compartment;means for injecting at least one fluid, situated in the second compartment, suitable for creating a flow from the filtering means, said flow being inverted with respect to the flow created by the means for introducing a gas flow;means for outputting suspension or wet ...

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Номер записи: 29
26-09-2013 дата публикации

NOZZLE REACTOR AND METHOD OF USE

Номер: US20130251597A1
Автор: Ard Christopher Daniel, Joshi Mahendra, Salazar Jose Armando, Zelnik Dominic J.
Принадлежит: MARATHON CANADIAN OIL SANDS HOLDING LIMITED

A nozzle reactor includes a passage having one or more regions with a converging-diverging shape. The nozzle reactor accelerates a reacting fluid to supersonic velocities and mixes it with a feed material. The reacting fluid and the feed material may be pre-heated. The high speed collision between the reacting fluid and the feed material at elevated temperatures causes the materials to react. 1. A nozzle reactor comprising:a main passage including a first region followed by a second region, the first region and the second region each including a convergent section, a throat, and a divergent section;a feed passage in fluid communication with the main passage; anda distributor positioned in the feed passage, the distributor including a plurality of non-circular injection holes configured to annularly distribute flow from the feed passage to the main passage;wherein the distributor distributes flow from the feed passage into the main passage at a location between the throat in the first region and the throat in the second region.2. The nozzle reactor of wherein the main passage expands between the location where the distributor distributes flow into the main passage and the throat in the second region.3. The nozzle reactor of wherein the cross-sectional area of the throat in the second region is at least twice as large as the cross sectional area of the throat in the first region.4. The nozzle reactor of comprising a head portion coupled to a body portion claim 1 , the head portion including the first region and the body portion including the second region.5. The nozzle reactor of wherein the distributor is a physically separate component capable of being removed from the nozzle reactor and replaced.6. The nozzle reactor of comprising a wear ring through which the main passage passes claim 1 , the wear ring being positioned immediately adjacent to and downstream of the location where the distributor distributes flow into the main passage claim 1 , wherein the wear ring ...

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Номер записи: 30
26-09-2013 дата публикации

CONTINUOUS PROCESS FOR THE SYNTHESIS OF GRAFT POLYMERS BASED ON POLYETHERS

Номер: US20130253089A1
Автор: Boeckh Dieter, Dobrawa Rainer, El-Toufaili Faissal-Ali, Flores-Figueroa Aaron, Heussler Michaela, Konrad Gerd, Loth Wolfgang, Schwede Christian
Принадлежит: BASF SE

The invention relates to a continuous process for the preparation of amphiphilic graft polymers, wherein a vinyl ester component (B) composed of vinyl acetate and/or vinyl propionate (B1) and, if desired, a further ethylenically unsaturated monomer (B2), is polymerized in the presence of a polyalkylene oxide (A), a free radical-forming initiator (C) and, if desired, an additive (D), at a mean polymerization temperature at which the initiator (C) has a decomposition half-time of from 1 to 500 min, in at least one tubular reactor segment with a feed side and an outlet side, through which the reaction mixture comprising at least a part of component (A) to (C), and if desired (D), streams, a tubular reactor segment and the use of the inventive amphiphilic graft polymer. The invention further relates to an inventive amphiphilic graft polymer and the use thereof. 123.-. (canceled)24. A continuous process for the preparation of amphiphilic graft polymers , wherein a vinyl ester component (B) composed of vinyl acetate and/or vinyl propionate (B 1) and , optionally , a further ethylenically unsaturated monomer (B2) , is polymerized in the presence of a polyalkylene oxide (A) , a free radical-forming initiator (C) and , optionally , an additive (D) , at a mean polymerization temperature at which the initiator (C) has a decomposition half-time of from 1 to 500 min , in at least one tubular reactor segment with a feed side and an outlet side , through which the reaction mixture comprising at least a part of component (A) to (C) , and optionally (D) , streams.25. The continuous process according to claim 24 , wherein the polymerization takes place in at least two tubular reactor segments connected in series.26. The continuous process according to claim 25 , wherein at least two tubular segments are connected in series claim 25 , wherein the first tubular reactor segment has a first feed side and a first outlet side claim 25 , wherein the first tubular reactor segment is ...

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Номер записи: 31
07-11-2013 дата публикации

Copolymer Production System and Process

Номер: US20130296506A1
Автор: Lawson Kevin W., Smith Rodney S.
Принадлежит: ExxonMobil Chemical Patents Inc.

In a process for making a copolymer, a first product stream comprising a semi-crystalline polymer and a chain terminating agent is produced in a first reactor system. The first product is provided to a second reactor system wherein a low crystallinity polymer is produced in the presence of the semi-crystalline polymer. At least a portion of the chain terminating agent is removed from the second reactor system by an in-situ process. 1. A process for making a copolymer , the process comprising:a. producing in a first reactor system a first product stream comprising a semi-crystalline polymer and a chain terminating agent;b. providing at least a portion of the first product stream to a second reactor system;c. producing in the second reactor system a low crystallinity polymer in the presence of the semi-crystalline polymer; andd. removing at least a portion of the chain terminating agent introduced with the first product stream from the second reactor system by an in-situ process.2. The process of claim 1 , wherein the in-situ process comprises a catalytic hydrogenation reactor to consume hydrogen via reaction with monomer claim 1 , or a membrane unit to selectively remove the chain terminating agent from the reaction system.3. The process of claim 1 , wherein the copolymer has an intrinsic viscosity ratio (IVR) of greater than 4.4. The process of claim 1 , wherein the chain terminating agent is hydrogen.5. The process of claim 1 , wherein the monomer is selected from ethylene and propylene.6. The process of claim 1 , wherein the semi-crystalline polymer has a matrix claim 1 , and at least a portion of the low crystallinity polymer is formed within the pores of the matrix.7. The process of claim 1 , wherein the semi-crystalline polymer is polypropylene homopolymer and the low crystallinity polymer is ethylene propylene rubber (EPR).8. The process of claim 1 , wherein the first reactor system comprises a slurry loop reactor or a plurality of slurry loop reactors in ...

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Номер записи: 32
07-11-2013 дата публикации

PROCESS FOR OPERATING A MIXING KNEADER

Номер: US20130296509A1
Автор: Lippens Steven, Peterson Monte, Possemiers Karl J., Stephan Oskar
Принадлежит:

The invention relates to a process for operating a mixing kneader, comprising one or more shafts on whose surfaces are disposed kneading bars and which are surrounded by a casing, comprising the following steps:

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Номер записи: 33
14-11-2013 дата публикации

Device and process for continuous phosgenation

Номер: US20130303783A1
Автор: Alexandre Trani, Fabrice De Panthou, Raimondo Pilia, Sabrina Marie
Принадлежит: AET Group

A continuous process for generation of phosgene from CO and Cl 2 and consumption of the phosgene thus generated in a liquid-phase reaction so as to form organic products P. The process is implemented in two successive reactors R1 and R2, the first reactor R1 being a reactor for catalytic synthesis of phosgene from CO and Cl2 gas, and the second reactor R2 being a piston reactor, the second reactor R2 being equipped with a mechanical axial agitation device.

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Номер записи: 34
21-11-2013 дата публикации

NOZZLE REACTOR AND METHOD OF USE

Номер: US20130306519A1
Автор: Duyvesteyn Willem P.C.
Принадлежит:

Embodiments of a nozzle reactor of the type useable to inject a first material feed stock and a second material feed stock to cause interaction between the first material feed stock and second material feed stock are described herein. According to some embodiments, the nozzle reactor may crack residual oil produced by other processing units in a refinery process. Furthermore, nozzle reactors may replace traditional processing units of a refinery process, such as cokers, hydrocrackers and deasphalting units. 1. A feed material cracking method comprising:injecting a stream of cracking material through a cracking material injector into a reaction chamber; andinjecting residual oil into the reaction chamber adjacent to the cracking material injector and traverse to the stream of cracking material entering the reaction chamber from the cracking material injector.2. The feed material cracking method as claimed in claim 1 , wherein the residual oil comprises asphaltene.3. The feed material cracking method as claimed in claim 2 , further comprising the step of mixing the asphaltene with a solvent prior to injecting the asphlatene into the reaction chamber.4. The feed material cracking method as claimed in claim 3 , wherein the solvent is selected from the group consisting of toluene claim 3 , Aromatic 100 claim 3 , Aromatic 150 claim 3 , and vacuum gasoil.5. The feed material cracking method as claimed in claim 3 , wherein the asphaltene and solvent are mixed at a asphaltene:solvent ratio of from about 1:2 to about 2:1.6. The feed material cracking method as claimed claim 1 , wherein the residual oil comprises coke.7. The feed material cracking method as claimed in claim 6 , further comprising the steps of:grinding the coke to thereby form up ground coke; andmixing the ground coke with a solvent prior to injecting the ground coke into the reaction chamber.8. The feed material cracking method as claimed in claim 7 , wherein grinding the coke comprises grinding the coke to a ...

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Номер записи: 35
21-11-2013 дата публикации

Apparatus and Method for Nanoflow Liquid Jet and Serial Femtosecond X-ray Protein Crystallography

Номер: US20130308756A1
Автор: Bogan Michael J., Laksmono Hartawan, Sierra Raymond G.
Принадлежит: THE BOARD OF TRUSTEES OF THE LELAND STANFORD JUNIOR UNIVERSITY

Techniques for nanoflow serial femtosecond x-ray protein crystallography include providing a sample fluid by mixing a plurality of a first target of interest with a carrier fluid and injecting the sample fluid into a vacuum chamber at a rate less than about 4 microliters per minute. In some embodiments, the carrier fluid has a viscosity greater than about 3 centipoise. 1. A method comprising:providing a sample fluid by mixing a plurality of a first target of interest with a carrier fluid; andinjecting the sample fluid into a vacuum chamber at a rate less than about 4 microliters per minute.2. A method as recited in claim 1 , wherein injecting the sample fluid into the vacuum chamber further comprises injecting the sample fluid into the vacuum chamber at a rate less than about 1 microliters per minute.3. A method as recited in claim 1 , wherein providing the sample fluid further comprises providing the sample fluid by mixing a plurality of nanoscale crystals of the first target of interest with the carrier fluid.4. A method as recited in claim 3 , wherein the nanoscale crystals are each smaller than about 500 nanometers in a largest dimension.5. A method as recited in claim 1 , wherein:the carrier fluid is electrically conductive; andinjecting the sample fluid into the vacuum chamber further comprises injecting the sample fluid into the vacuum chamber by applying a first voltage to the sample fluid and a different second voltage to a counter electrode in the vacuum chamber.6. A method as recited in claim 5 , wherein:the counter electrode has a shape that is axially symmetric and has a first end closest to an axis of symmetry and a second edge farthest from the axis; andthe counter electrode is disposed in the vacuum chamber with the axis aligned with the flow of the sample fluid in the vacuum chamber and with the first edge closer than the second edge to an injection point where the sample fluid is injected into the vacuum chamber.7. A method as recited in claim 1 , ...

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Номер записи: 36
28-11-2013 дата публикации

APPARATUS FOR LIQUEFACTION OF CARBONACEOUS MATERIAL

Номер: US20130315792A1
Автор: ODowd Peter John
Принадлежит: Forbes Oil and Gas Pgy. Ltd.

A carbonaceous material liquefaction apparatus which uses a nozzle assembly to supply a pressurised liquid towards a carbonaceous material as a high velocity liquid. A supply line () supplies the high pressure liquid to the nozzle assembly (). The high velocity liquid reacts with the carbonaceous material () in a reaction zone () to produce a processed carbonaceous material. A product return line () returns the processed carbonaceous material and entrained liquid to a processing plant. The processing plant comprises a heat exchanger () to transfer heat from the product return line to the supply line, a high pressure pump () to provide the high pressure liquid to the supply line, a separator () in the product return line downstream of the heat exchanger to separate gas () and oil () product from the entrained liquid, at least part of the liquid () being recycled () to the high pressure pump. The reaction can be carried out in-situ or in an above ground reaction chamber (). 1. A carbonaceous material liquefaction apparatus comprising a nozzle assembly to supply a pressurised liquid with superheated or supercritical properties towards a carbonaceous material as a high velocity liquid , a supply line to supply the high pressure liquid to the nozzle assembly , the high velocity liquid reacting with the carbonaceous material to produce an upgraded or liquefied carbonaceous material , a product return line to return the processed carbonaceous material and entrained liquid to a processing plant , the processing plant comprising a heat exchanger to transfer heat from the product return line to the supply line , a high pressure pump to provide the high pressure liquid to the supply line , a separator in the product return line downstream of the heat exchanger to separate gas and oil product from the processed carbonaceous material and entrained liquid , and a recycle line to transfer at least part of the liquid from the separator to the high pressure pump.2. A carbonaceous ...

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Номер записи: 37
28-11-2013 дата публикации

PLASMA REACTOR GAS DISTRIBUTION PLATE WITH RADIALLY DISTRIBUTED PATH SPLITTING MANIFOLD

Номер: US20130315795A1
Автор: BERA KALLOL, Rauf Shahid
Принадлежит: Applied Materials, Inc.

In a showerhead assembly, a path splitting manifold comprises a gas supply inlet and a planar floor and plural gas outlets extending axially through the floor and azimuthally distributed about the floor. The path splitting manifold further comprises a plurality of channels comprising plural paths between the inlet and respective ones of the plural outlets. A gas distribution showerhead underlies the floor of the manifold and is open to the plural outlets. In certain embodiments, the plural paths are of equal lengths. 1. A gas distribution showerhead assembly for use in a plasma reactor , comprising:a gas supply lid having a bottom surface, and a gas supply port in said bottom surface;a manifold plate having top and bottom manifold surfaces, said top manifold surface facing said bottom surface of said gas supply lid;a showerhead plate facing said bottom manifold surface and an array of plural gas injection orifices extending through said showerhead plate and distributed in both a radial direction and in an azimuthal direction; (a) plural manifold orifices extending through said manifold plate and located along a radial location;', '(b) plural top surface channels in said top manifold surface and defining plural top paths of generally equal lengths between said gas supply port and respective ones of said manifold orifices;', '(c) plural bottom surface channels formed in said bottom manifold surface and defining plural bottom paths of generally equal lengths between respective ones of said manifold orifices and respective ones of said plural gas injection orifices., 'a gas distribution manifold comprising2. The apparatus of wherein said plural top surface channels constitute a hierarchy of channels recursively coupled at their midpoints to outputs of other channels of said hierarchy.3. The apparatus of wherein said plural bottom surface channels comprise plural arcuate bottom surface channels at respective radial locations and plural radial bottom surface channels ...

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Номер записи: 38
26-12-2013 дата публикации

Double Loop Technology

Номер: US20130345374A1
Автор: "DHooghe Leopold", Bodart Philippe, Conti Giacomo, Damme Eric, Folie Pascal, Fouarge Louis, Hortman Kai, Laurent Etienne, Lewalle Andre, Marechal Philippe, Miserque Olivier, Moers Marc, Oreins Renaud, Sillis Marjan, Siraux Daniel, Van Camp Carl, Van den Brande Frans, Van der Auwera Marc, Vandaele Hugo, Verleysen Mark
Принадлежит: TOTAL PETROCHEMICALS RESEARCH FELUY

A method for the copolymerization of ethylene and a C olefin in a loop reactor and polymers formed therefrom are described herein. The method generally includes introducing an ethylene monomer, a C olefin and a diluent carrier liquid into a loop reactor. A catalyst system can be supplied to said loop reactor. The diluent liquid, ethylene monomer, and C olefin can be circulated through said loop reactor, while copolymerizing said ethylene and C olefin in the presence of said catalyst system to produce a slurry. The slurry can be diverted into a settling leg, and sequentially discharged therefrom and withdrawn from said loop reactor. An ethylene monomer co-feed can be introduced into said loop reactor at spaced locations downstream of the ethylene and diluent. The ethylene co-feed can be introduced in an amount effective to reduce the variation in the ratio of ethylene and C olefin. 111-. (canceled)12. A method for controlling the injection of catalyst slurry in a polymerization reactor , wherein polyethylene is prepared , said catalyst slurry comprising solid catalyst in a hydrocarbon diluent , the method comprising:providing solid catalyst and a hydrocarbon diluent in one or more storage vessels such that a catalyst slurry is obtained in said one or more storage vessels,transferring said catalyst slurry from said one or more storage vessels to a mixing vessel wherein said catalyst slurry is diluted for obtaining a suitable concentration for use in a polymerization reaction,pumping said diluted catalyst slurry at a controlled flow rate from said mixing vessel to said polymerization reactor through one or more conduits, by means of a pumping means, provided in each of said conduits, and the dilution being adapted to the pumping means.13. The method according to wherein said catalyst is a metallocene catalyst.14. The method of wherein the metallocene catalyst is a supported metallocene catalyst.15. The method according to wherein said catalyst slurry is diluted with ...

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Номер записи: 39
09-01-2014 дата публикации

DEVICES FOR INJECTION OF GASEOUS STREAMS INTO A BED OF FLUIDIZED SOLIDS

Номер: US20140010716A1
Автор: Castagnos, Chan Ting Yee, JR. Leonce Francis, Kolb Norman Paul, Pieper Ronald Eugene
Принадлежит:

Injection nozzles for use in a gas distribution device are disclosed. In one aspect, the injection nozzle may include: a tube having a fluid inlet and a fluid outlet; wherein the inlet comprises a plurality of flow restriction orifices. In another aspect, embodiments disclosed herein relate to an injection nozzle for use in a gas distribution device, the injection nozzle including: a tube having a fluid inlet and a fluid outlet; wherein the fluid inlet comprises an annular orifice surrounding a flow restriction device. Injection nozzles according to embodiments disclosed herein may be disposed in a gas distribution manifold used in a vessel, for example, for conducting polymerization reactions, spent catalyst regeneration, and coal gasification, among others. 1. A gas distribution apparatus , comprising:a distribution manifold in fluid communication with a gas source and a plurality of injection nozzles;each of the plurality of injection nozzles comprising a fluid inlet disposed within the distribution manifold and a fluid outlet;wherein the fluid inlet comprises a plurality of flow restriction orifices.2. The apparatus of claim 1 , wherein the fluid outlet is proximate an outer circumference of the distribution manifold.3. The apparatus of claim 1 , wherein the tube outlet is external to an outer circumference of the distribution manifold.4. The apparatus of claim 1 , wherein the plurality of flow restriction orifices comprises a plurality of radial flow restriction orifices distributed circumferentially through the tube.5. The apparatus of claim 4 , wherein an axial end of the tube proximate the plurality of radial flow restrictions orifices is capped.6. The apparatus of claim 4 , wherein a ratio of an inner diameter of the tube outlet to a diameter of a radial flow restriction orifice is greater than 2:1.7. The apparatus of claim 4 , wherein the plurality of radial flow restriction orifices are disposed through the tube a length L from an axial end of the tube ...

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Номер записи: 40
09-01-2014 дата публикации

Apparatus for microdroplet generation via liquid bridge breakup

Номер: US20140010730A1
Автор: Do Jin Im, Dustin Moon, In Seok Kang
Принадлежит: Academy Industry Foundation of POSTECH

An apparatus for microdroplet generation via liquid bridge breakup, which can efficiently generate microdroplets using liquid bridge breakup without using a complicated mechanical device. The apparatus includes: two substrate plates having respective hydrophilic surfaces; a protrusion provided on a side surface of either of the two substrate plates so as to maintain a predetermined space between the two substrate plates; and a spacer provided on ends of the two substrate plates and spacing the two substrate plates from each other, thereby inducing liquid bridge breakup.

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Номер записи: 41
23-01-2014 дата публикации

ENERGY EFFICIENT POLYOLEFIN PROCESS

Номер: US20140024788A1
Автор: Burns David H., Fenderson Carl W., Gupta Anurag, Hein James E., Hottovy John D., Kufeld Scott E., McElvain Robert R., Peacock Richard, Romig Ralph W., Tait John H., Verser Donald W., Zellers Dale A.
Принадлежит: CHEVRON PHILLIPS CHEMICAL COMPANY LP

A manufacturing system for producing polyolefin includes a polymerization reactor, a flash chamber, and a purge column. In certain embodiments, the purge column may receive a solids stream directly from the flash chamber. Further, the purge column may function as a feed tank for an extruder within an extrusion/loadout system. According to certain embodiments, the manufacturing system may be configured to consume less than 445 kilowatt-hours of energy per metric ton of polyolefin produced based on consumption of electricity, steam, and fuel gas. 1. A system , comprising:a first polymerization reactor configured to produce a slurry comprising first polyolefin particles and a diluent;a separation vessel configured to receive the slurry to produce a lights stream comprising light components and a solids stream comprising the first polyolefin particles and residual diluent; anda second polymerization reactor configured to receive the solids stream and produce second polyolefin particles.2. The system of claim 1 , wherein the separation vessel comprises a flash chamber.3. The system of claim 1 , wherein the first and second polyolefin particles are mixed in the second polymerization reactor to produce a product polyolefin particle stream.4. The system of claim 3 , comprising a flash chamber configured to receive the product polyolefin particle stream and separate a portion of the diluent to produce a flash stream comprising separated diluent and an additional solids stream comprising the product polyolefin particle stream.5. The system of claim 4 , comprising a solids discharge conduit configured to convey the additional solids stream from the flash chamber claim 4 , wherein the solids discharge conduit does not comprise a low-pressure flash vessel or a low-pressure flash compressor or blower.6. The system of claim 1 , wherein the second polymerization reactor comprises a gas phase polymerization reactor.7. The system of claim 1 , wherein the second polymerization reactor ...

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Номер записи: 42
13-02-2014 дата публикации

Method and system for graphene formation

Номер: US20140044885A1
Автор: David A. Boyd
Принадлежит: California Institute of Technology CalTech

A method for forming graphene includes providing a substrate and subjecting the substrate to a reduced pressure environment. The method also includes providing a carrier gas and a carbon source and exposing at least a portion of the substrate to the carrier gas and the carbon source. The method further includes performing a surface treatment process on the at least a portion of the substrate and converting a portion of the carbon source to graphene disposed on the at least a portion of the substrate.

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Номер записи: 43
20-02-2014 дата публикации

Device for Multi Phase and Single Phase Contacting

Номер: US20140050633A1
Автор: Bindraban Dipnarain, Schouten Jacob Cornelis, van der Schaaf John, Visscher Frans
Принадлежит: Technische Universiteit Eindhoven

A multiphase contacting stage is provided that includes a first rotatable disc having a hollow disc-shaped cavity, an input port and an output port, and a second rotatable disc, where the second rotatable disc has a channeled cavity, an input port and an output port, and is disposed in the hollow disc-shaped cavity of the first rotatable disc, where the first rotatable disc and said second rotatable disc are concentric about an axis, where the multiphase contacting stage operates to integrate centrifugal separation and countercurrent mass transfer of a material for separation. 1. A multiphase contacting stage , comprising:a. a first rotatable disc, wherein said first rotatable disc comprises a hollow disc-shaped cavity, an input port and an output port; andb. a second rotatable disc, wherein said second rotatable disc comprises a channeled cavity, an input port and an output port, wherein said second rotatable disc is disposed in said hollow disc-shaped cavity of said first rotatable disc, wherein said first rotatable disc and said second rotatable disc are concentric about an axis, wherein said multiphase contacting stage operates to integrate centrifugal separation and countercurrent mass transfer of a material for separation.2. The multiphase contacting stage of claim 1 , wherein said first rotatable disc and said second rotatable disc rotate about said axis and are spaced apart on said axis at a distance as low as 0.05 mm.3. The multiphase contacting stage of claim 1 , wherein said first rotatable disc and said second rotatable disc rotate at a speed up to 5000 rpm.4. The multiphase contacting stage of claim 1 , wherein said first rotatable disc and said second rotatable disc are co-rotating or counter-rotating.5. The multiphase contacting stage of claim 1 , wherein said first rotatable disc rotates at a first speed and a second rotatable disc rotates at a second speed.6. The multiphase contacting stage of claim 1 , wherein a first said contacting stage is ...

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Номер записи: 44
27-02-2014 дата публикации

Production of aromatics from a methane conversion process

Номер: US20140058144A1
Автор: Jeffery C. Bricker, John Q. Chen, Peter K. Coughlin
Принадлежит: UOP LLC

Methods and systems are provided for converting methane in a feed stream to acetylene. The hydrocarbon stream is introduced into a supersonic reactor and pyrolyzed to convert at least a portion of the methane to acetylene. The reactor effluent stream may be treated to convert acetylene to a process stream having aromatic compounds. The acetylene stream can be reacted to generate larger hydrocarbon compounds, which are passed to a cyclization and aromatization reactor to generate aromatics. The method according to certain aspects includes controlling the level of carbon oxides in the hydrocarbon stream.

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Номер записи: 45
27-02-2014 дата публикации

Removal of nitrogen containing compounds and methane conversion process using a supersonic flow reactor

Номер: US20140058150A1
Автор: Dean E. Rende, Jayant K. Gorawara, Laura E. Leonard
Принадлежит: UOP LLC

Methods and systems are provided for converting methane in a feed stream to acetylene. The method includes removing at least a portion of nitrogen contaminants from a hydrocarbon stream. The hydrocarbon stream is introduced into a supersonic reactor and pyrolyzed to convert at least a portion of the methane to acetylene. The reactor effluent stream may be treated to convert acetylene to another hydrocarbon process. The method according to certain aspects includes controlling the level of amines in the hydrocarbon stream.

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Номер записи: 46
27-02-2014 дата публикации

Methane conversion apparatus and process using a supersonic flow reactor

Номер: US20140058160A1
Автор: Christopher Naunheimer, Gavin P. Towler, Robert L. Bedard
Принадлежит: UOP LLC

Apparatus and methods are provided for converting methane in a feed stream to acetylene. A hydrocarbon stream is introduced into a supersonic reactor and pyrolyzed to convert at least a portion of the methane to acetylene. The reactor effluent stream may be treated to convert acetylene to another hydrocarbon process.

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Номер записи: 47
27-02-2014 дата публикации

Methane conversion apparatus and process using a supersonic flow reactor

Номер: US20140058170A1
Автор: Christopher Naunheimer, Donald L. Mittendorf, Gavin P. Towler, Gregory O. Woodcock, Laura E. Leonard, Robert L. Bedard
Принадлежит: UOP LLC

Apparatus and methods are provided for converting methane in a feed stream to acetylene. A hydrocarbon stream is introduced into a supersonic reactor and pyrolyzed to convert at least a portion of the methane to acetylene. The reactor effluent stream may be treated to convert acetylene to another hydrocarbon process.

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Номер записи: 48
27-02-2014 дата публикации

Methane Conversion Apparatus and Process Using a Supersonic Flow Reactor

Номер: US20140058177A1
Автор: Donald L. Mittendorf, Gavin P. Towler, Laura E. Leonard
Принадлежит: UOP LLC

Apparatus and methods are provided for converting methane in a feed stream to acetylene. A hydrocarbon stream is introduced into a supersonic reactor and pyrolyzed to convert at least a portion of the methane to acetylene. The reactor effluent stream may be treated to convert acetylene to another hydrocarbon process.

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Номер записи: 49
06-03-2014 дата публикации

SYMMETRICAL REACTOR INCLUDING A PLURALITY OF PACKED TUBES

Номер: US20140065029A1
Автор: Bill Jon M., Drumm Kevin J., Heinrich David B., Hendrix W. Blake
Принадлежит: DYNAMIC ENGINEERING INC.

A reactor having a top to bottom design configuration capable of being operated in an up flow or down flow configuration with equal ease, where the reactor includes a plurality of tubes optionally housed within a shell and includes top and bottom screen assemblies capable of retaining a catalyst within the tubes, while permitting reactants and products to flow through them. 1. A reactor comprising: a plurality of reactor tubes, each tube having a first tube end and a second tube end,', 'a first core end flange and a second core end flange, each end flange including a core sealing surface,', 'a pattern of tube apertures disposed in each flange for locating the reactor tubes,', 'a core flange lip having apertures there through,', 'a gasket,', 'fasteners, and, 'a core including a head flange including an assembly sealing surface, a head flange lip having a plurality of apertures therethrough, and an optional head flange recess,', 'a cap section including an inlet port and an outlet port for flowing a reactant into and out of the reactor, and', 'an interior,, 'a top head assembly and a bottom head assembly, each assembly including a screen comprising a plurality of screen elements, and', 'a screen mounting flange characterized by an inside diameter, an outside diameter,', 'a projected minor diameter, an overall thickness, and a shoulder height, and, 'a top screen assembly and a bottom screen assembly, each screen assembly including the tubes are fixed in place within the tube apertures,', 'the screen is or the screen elements are affixed to the screen flange to form the screen assembly,', 'the gasket is interposed between the sealing surfaces,', 'the head assembly is seated on the core end flange so that the lip apertures of the core and the assembly are aligned and the fasteners are inserted through the lip apertures of the core and the assembly retains the gasket and screen assembly within and tightening the fasteners compresses the gasket creating a fluid tight seal ...

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Номер записи: 50
13-03-2014 дата публикации

Rotating Fluidized Bed Catalytic Pyrolysis Reactor

Номер: US20140073822A1
Автор: Julson James, Wei Lin
Принадлежит: South Dakota State University

Reactors for the pyrolysis of pyrolyzable matter, pyrolysis systems incorporating the reactors and methods of using the reactors are provided. Also provided are systems and methods for integrating the pyrolysis and hydrodeoxygenation of pyrolyzable matter. The pyrolysis reactors create a horizontally rotating, fluidized-bed to which pyrolyzable matter, such as biomass, may be converted via pyrolysis into liquid fuels and/or value-added chemicals. 1. A reactor for pyrolysis comprising:a horizontal, rotatable reactor drum comprising an annular wall disposed around a horizontal axis, wherein the annular wall is permeable to particulate material;a rotation drive connected to the rotatable reactor drum and configured to rotate the rotatable reactor drum about the horizontal axis;a feed conduit configured to transport pyrolyzable matter from a source of pyrolyzable matter into the rotatable reactor drum; anda reaction chamber in which the rotatable reactor drum and at least a portion of the feed conduit are housed.2. The reactor of claim 1 , wherein the annular wall defines a plurality of holes that extend through the annular wall claim 1 , the holes having diameters in the range from about 0.5 to about 30 mm.3. The reactor of claim 1 , wherein the reaction chamber forms an annular space around the rotatable reactor drum and at least a portion of the feed conduit claim 1 , and further wherein the annular space is in fluid communication with the rotatable reactor drum claim 1 , such that vapor-phase pyrolysis products formed in the rotatable reactor drum are able to flow into the annular space.4. The reactor of claim 1 , further comprising a radiation source disposed within the rotatable reactor drum and configured to emit radiation toward the annular wall.5. The reactor of claim 4 , wherein the radiation source emits ultraviolet radiation.6. The reactor of claim 1 , further comprising:a product collection chamber, the product collection chamber comprising an input port ...

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Номер записи: 51
27-03-2014 дата публикации

POLYMERIZATION REACTOR FOR BUTYL RUBBER PRODUCTION

Номер: US20140086801A1
Автор: Angeletti Andrea, Appetiti Aldo, Simola Flavio
Принадлежит: CONSER SPA

A low temperature polymerization reactor for the production of butyl rubber by catalytic polymerization of isobutylene with small amount of a conjugated diolefin such as isoprene includes: an extended upper head with fluid deflector fixed to the top tube-sheet, the shapes of the head and deflector being optimized in order to reach a very homogeneous slurry velocity in the rows of tubes and to minimize the pressure drop due to the inversion of flow from up-flow to down-flow and to the entrance of the slurry in the tubes; an hemispheric bottom head with fluid deflectors placed between the impeller and the bottom itself and designed to minimize the pressure drop due to the inversion of flow from down-flow to up-flow; and straightening baffles inside the draft tube, which shape and dimensions are optimized to turn the radial velocity components produced by the rotation of the impeller into axial velocity components. 110-. (canceled)11151119426) A single pass shell and tubes type polymerization reactor () , used to produce butyl rubber in slurry , copolymerizing at least 95 wt % of isobutylene with not more than about 5 wt % of isoprene , in concentration of about 35% to 45% by vol. in a solvent , preferably methyl chloride , in presence of 0.015% to 0.15% by weight of catalyst , preferably aluminum chloride , and at a temperature within the range of −104° C. to −90° C. , wherein the velocity in the tubes is in the range from 2.4 to 4.5 m/sec , wherein the reaction mixture is introduced from the bottom side near an impeller shaft () and the outflow () is in the top , with the reaction in tube side and a cooling media in the shell side () to remove the heat of reaction , and a circulation pump installed at the bottom () , to permit high velocity of the rubber slurry in the central draft tube () and in downflow smaller tubes () , the reactor comprising:{'b': 3', '15', '6', '6, 'a—an extended upper head (), containing a fluid deflector (), having an inclined bottom up drop ...

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Номер записи: 52
27-03-2014 дата публикации

SCC EQUIPPED WITH FOAM REMOVAL UNIT

Номер: US20140088273A1
Автор: Joo Eun-Jung, Lee Dong-Kwon, Lee Jong-Ku, Shin Dae-Young
Принадлежит: LG CHEM, LTD.

The present invention provides a SCC (Spinning Cone Column) equipped with a foam removal unit comprising: a housing having a rotation axis; a supply part of at least one reactant formed inside of the housing; at least two spinning cones that are installed so as to have a constant gradient from the upper part to the lower part to the rotation axis, move supplied reactants through the reactant supply part, and rotate around the rotation axis; a fixed cone that is fixed and formed on the inner side of the housing, and provides a pathway for sequentially moving reactant from a spinning cone at the upper part to a spinning cone at the lower part; a product collection part for collecting reactants moved through the spinning cone and the fixed cone; and a driving part for rotating the spinning cone, wherein a foam removal unit is installed on one side of the housing. The SCC according to the present invention solves the problems that foam is generated when separating material to be removed to decrease removal yield and lower stability of the product, and may improve removal yield and product stability because a foam removal unit is for removing generated foam is installed. 1. A SCC (Spinning Cone Column) equipped with a foam removal unit comprisinga housing having a rotation axis;a supply part of at least one reactant formed inside of the housing;at least two spinning cones that are installed so as to have a constant gradient from the upper part to the lower part to the rotation axis, move reactants supplied through the reactant supply part, and rotate around the rotation axis;a fixed cone that is fixed and formed on the inner side of the housing, and provides a pathway for sequentially moving reactant from a spinning cone at the upper part to a spinning cone at the lower part;a product collection part for collecting reactants moved through the spinning cone and the fixed cone; anda driving part for rotating the spinning cone,wherein a foam removal unit is installed on one ...

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Номер записи: 53
03-04-2014 дата публикации

AMMOXIMATION REACTOR FOR CYCLOHEXANONE OXIME PRODUCTION

Номер: US20140093437A1
Автор: Del Seppia Alessandro, Ghirardo Elena
Принадлежит: Versalis S.p.A.

Ammoximation reactor for cyclohexanone oxime production comprising: (a) a reactor vessel provided with a stirrer; (b) an internal filtering system; (c) an internal liquid ammonia evaporation coil; (d) an internal gaseous ammonia toroidal distributor; (e) an external cyclohexanone toroidal distributor; (f) an internal hydrogen peroxide toroidal distributor; (g) an internal cylindrical draft tube; (h) an external cooling jacket. Said ammoximation reactor allows to obtain a better mixing of the components of the ammoximation reaction and to maximize both the heat-transfer coefficients and the mass-transfer coefficients. Moreover, said ammoximation reactor allows to increase the packing time of the catalyst used in the ammoximation reaction on the filtering system (i.e. the plugging phenomena) so as to avoid the necessity of carrying out the backwashings with nitrogen. Moreover, said ammoximation reactor does not require external downstream separation units to separate the catalyst from the reaction mixture obtained from the ammoximation reaction. 1. Ammoximation reactor for cyclohexanone oxime production , comprising:(a) a reactor vessel provided with a stirrer;(b) an internal filtering system;(c) an internal liquid ammonia evaporation coil installed at the bottom of the reactor vessel;(d) an internal gaseous ammonia toroidal distributor connected to the outlet end of the evaporation coil;(e) an external cyclohexanone toroidal distributor;(f) an internal hydrogen peroxide toroidal distributor;(g) an internal cylindrical draft tube; and(h) an external cooling jacket.2. Ammoximation reactor according to claim 1 , wherein said stirrer is a high-performance stirrer.3. Ammoximation reactor according to claim 1 , wherein said internal filtering system comprises a set of tubular filters arranged in two concentric circular crowns claim 1 , the bottoms of each tubular filter being connected together to form two continuous toroidal connecting tubes.4. Ammoximation reactor ...

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Номер записи: 54
07-01-2021 дата публикации

Taxane Particles and Their Use

Номер: US20210000786A1
Автор: Gary E. Clapp, Jahna ESPINOSA, Jake SITTENAUER, Joseph FARTHING, Julia K. Fischer, Mark D. Williams, Matthew MCCLOREY, Michael BALTEZOR, Samuel Campbell
Принадлежит: CritiTech Inc

Compositions are provided that include having at least 95% by weight of a taxane, or a pharmaceutically acceptable salt thereof, where the particles have a mean bulk density between about 0.050 g/cm3 and about 0.15 g/cm3, and/or a specific surface area (SSA) of at least 18 m2/g, 20 m2/g, 25 m2/g, 30 m2/g, 32 m2/g, 34 m2/g, or 35 m2/g. Methods for making and using such compositions are also provided.

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Номер записи: 55
07-01-2021 дата публикации

Chute Type Monomer Dispenser

Номер: US20210001295A1
Автор: Im Ye Hoon, Jung Young Cheol, KIM Sunyoung, MIN Kyunghoon, Song Youngsoo
Принадлежит: LG CHEM, LTD.

A chute type monomer dispenser is provided in the present disclosure. The chute type monomer dispenser includes a chute dispenser installed to be slanted in a direction of a polymerization apparatus, the chute dispenser is configured to inject monomer to the polymerization apparatus through an injection pipe having an injection portion having an opening at an upper portion of the chute dispenser; and an injector configured to inject an initiator and a foaming agent to the injection portion. 1. A chute type monomer dispenser comprising:a chute dispenser installed to be slanted in a direction of a polymerization apparatus, the chute dispenser configured to inject a monomer to the polymerization apparatus through an injection pipe;an injection portion having an opening at an upper portion of the chute dispenser; andan injector configured to inject an initiator and a foaming agent to the injection portion.2. The chute type monomer dispenser of claim 1 , whereinthe chute dispenser further comprises:a dispenser body on which the monomer is moved in the direction of the polymerization apparatus; andguide portions formed at sides of the dispenser body configured to guild a movement of the monomer.3. The chute type monomer dispenser of claim 2 , whereinthe dispenser body hasa slanted movement portion on which the monomer, the initiator, and the foaming agent are moved in the direction of the polymerization apparatus.4. The chute type monomer dispenser of claim 3 , whereinthe guide portions further comprises:a first guide protrusion protruding at a first edge of a first side of the slanted movement portion; anda second guide protrusion protruding at a second edge of a second side of the slanted movement portion, the second side being opposed to the first side.5. The chute type monomer dispenser of claim 4 , whereinthe slanted movement portion is formed in a fan shape from a portion where the first guide protrusion and the second guide protrusion are connected to each other.6. ...

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Номер записи: 56
07-01-2021 дата публикации

SYSTEM TO CONVERT CELLULOSIC MATERIALS INTO SUGAR AND METHOD OF USING THE SAME

Номер: US20210001301A1
Автор: Cohen Peter, Slager Benjamin
Принадлежит:

A device for converting cellulose to sugar comprises a reactor chamber with a plurality of control components, and a control assembly. The control assembly is operatively connected to the reactor chamber, a chive assembly and control components to transmit and receive interoperability signals. The device has an inlet hopper with a detector, a crusher, an outlet hopper, a sensor assembly, a steam inlet, and a carbon dioxide inlet. The inlet hopper is configured to receive and analyze proportion data of matters in a feedstock and catalyst mixture via the detector. The crusher receives and grinds the mixture from the inlet hopper to induce chemical reaction for producing sugar. The outlet hopper is configured to determine a proportion data of matter in the grinded mixture. The control assembly is configured to determine adjustments need to be performed on the components and chive assembly to optimize the sugar production. 1. A device for converting cellulose to sugar , comprising:a reactor chamber comprising a plurality of control components;a control assembly operatively connected to the reactor chamber and to each of the control components, the control components configured to transmit and receive interoperability signals; a crusher assembly configured to receive a mixture of cellulose feedstock and solid acid catalyst, wherein the crusher assembly is configured to grind the mixture under pressure to induce a solid-solid interaction between the cellulose feedstock and the solid acid catalyst inducing a chemical reaction to produce the sugar;an outlet hopper having a detector configured to determine a proportion of matter in the grinded mixture delivered by the crusher assembly, wherein the control assembly is configured to determine if reprocessing of the grinded mixture is required, and if so, tune the control components to optimize sugar production; wherein the crusher assembly comprises rollers.2. The device of claim 1 , further comprising a sensor assembly ...

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Номер записи: 57
07-01-2016 дата публикации

APPARATUSES FOR DISTRIBUTING FLUIDS IN FLUIDIZED BED REACTORS

Номер: US20160001245A1
Автор: Sprague Robert T.
Принадлежит:

A fluid distribution apparatus is disposed in a fluidized bed reactor and includes a distributor pipe configured to carry a fluid and a centerpipe fluidly connected to the distributor pipe and enclosing an annular space for receiving the fluid from the distributor pipe. The annular space is defined by an interior radius including a cylindrical plug disposed concentrically within the centerpipe, an exterior radius including the centerpipe, an upper end including an upper circular plate, and a lower end including a lower circular plate. The fluid distribution apparatus further includes a plurality of inlet nozzles fluidly connected to the annular space and disposed through the centerpipe for distributing the fluid from the annular space to a bed of the fluidized bed reactor. 1. A fluid distribution apparatus disposed in a fluidized bed reactor comprising:a distributor pipe configured to carry a fluid;a centerpipe fluidly connected to the distributor pipe and enclosing a conical distributor comprising a conical shape for receiving the fluid from the distributor pipe, wherein the conical distributor is defined by an exterior radius comprising the centerpipe, an upper end comprising an upper angled, circular plate, and a lower end comprising a lower circular plate; anda plurality of inlet nozzles fluidly connected to the conical and disposed through the centerpipe for distributing the fluid from the conical distributor to a bed of the fluidized bed reactor.2. The apparatus of claim 1 , wherein each of the plurality of inlet nozzles comprises a reducer portion that is proximate to a connection point between the centerpipe and each such inlet nozzle.3. The apparatus of claim 1 , wherein the distributor pipe comprises a reducer portion that is proximate to a connection point between the centerpipe and the distributor pipe.4. The apparatus of claim 3 , wherein the reducer portion is an eccentric increase in the diameter of the distributor pipe.5. The apparatus of claim 1 , ...

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Номер записи: 58
03-01-2019 дата публикации

VORTEX WATER FLOW GENERATOR, WATER PLASMA GENERATOR, DECOMPOSITION PROCESSOR, DECOMPOSITION PROCESSOR MOUNTED VEHICLE, AND DECOMPOSITION METHOD

Номер: US20190001171A1
Автор: Watanabe Takayuki, YAGUCHI Hirofumi
Принадлежит: HELIX CO., LTD.

A vortex water generator forms a vortex water flow for passing arc discharge. The vortex water flow generator includes a cylindrical portion configured to form a vortex water flow along an inner circumference; first middle partition and second middle partition protruding from the inner circumference of the cylindrical portion, a rear partition formed in a rear end side of the cylindrical portion, and a front partition provided in a front end side of the cylindrical portion. Each partition has an opening to include a center axis line position of the cylindrical portion. Each opening has a different opening shape in size. The middle partition and the front partition have negative electrode side surfaces formed by tapered surfaces receding from the negative electrode as close to the center axis line. Arc-shaped beveled portions are formed between the tapered surfaces and inner circumferential surfaces of the openings. 1. A vortex water flow generator placed between a negative electrode and a positive electrode of a water plasma generator that injects a water plasma , the water plasma becoming a jet stream by dissociating or ionizing water to form a vortex water flow having a cavity for passing are discharge generated between the negative and positive electrodes , the vortex water flow generator comprising:a cylindrical portion configured to form the vortex water flow along an inner circumference;a middle partition protruding from the inner circumference of the cylindrical portion;a one-end-side partition disposed in one end side of the cylindrical portion to face the negative electrode; andthe-other-end-side partition disposed in the other end side of the cylindrical portion,wherein each of the partitions has an opening in a position including a center axis line of the cylindrical portion, the openings having different opening shapes in size,the middle partition and the-other-end-side partition have surfaces at the negative electrode side, the surfaces being formed by ...

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Номер записи: 59
05-01-2017 дата публикации

POLYOLEFIN PRODUCTION WITH MULTIPLE POLYMERIZATION REACTORS

Номер: US20170001167A1
Автор: Benham Elizabeth Ann, Bhandarkar Maruti, Gill Catherine M., GONZALES Rebecca A., Kufeld Scott E., MUTCHLER Joel A., Nguyen Thanh T., Odi Timothy O.
Принадлежит:

A polyolefin production system including: a first reactor configured to produce a first discharge slurry having a first polyolefin; a second reactor configured to produce a second discharge slurry having a second polyolefin; and a post-reactor treatment zone having at least a separation vessel configured to receive the second discharge slurry or both the first discharge slurry and the second discharge slurry. 1. A polyolefin production system comprising:a first reactor configured to produce a first reactor discharge comprising a first polyolefin;a second reactor configured to produce a second reactor discharge comprising a second polyolefin; anda post-reactor treatment zone configured to receive the first reactor discharge and the second reactor discharge, wherein the first and second reactors are configured to allow the first reactor discharge to be (a) transferred to the second reactor and, alternatively, (b) diverted to by-pass the second reactor and fed into the post-reactor treatment zone wherein to the first and second polyolefins are first contacted in the post-reactor treatment zone,wherein the first polyolefin is 30 weight % to 70 weight % of the second polyolefin.2. The polyolefin production system of claim 1 , wherein the first reactor and the second reactor each comprise a loop reactor.3. The polyolefin production system of claim 1 , wherein:the post-reactor treatment zone comprises a separation vessel; andthe first and second polyolefins are transferred to the separation vessel such that the first and second polyolefins are first contacted in the separation vessel.4. The polyolefin production system of claim 1 , wherein:the post-reactor treatment zone comprises a purge column; andthe first and second polyolefins are transferred to the purge column such that the first and second polyolefins are first contacted in the purge column.5. The polyolefin production system of claim 1 , wherein:the post-reactor treatment zone comprises an extruder feed tank; ...

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Номер записи: 60
03-01-2019 дата публикации

METHOD FOR CONTROLLING A CHEMICAL REACTION AND APPARATUS FOR CARRYING OUT SAID METHOD

Номер: US20190001295A1
Автор: Ledwon Anton
Принадлежит:

The invention relates to a method for controlling a chemical reaction which creates a product, wherein at least one reactant that is present in a liquid phase is subjected to a pressure change. 1. A method for controlling a chemical reaction which creates a product comprising:wherein at least one reactant that is present in a liquid phase is subjected to a pressure change wherein a pressure minimum is no greater than 105%, preferably no greater than 103%, and especially preferably no greater than 101% of a cavitation pressure of the at least one reactant, without causing cavitation in the at least one reactant.2. The method according to claim 1 , wherein a pressure difference between the pressure minimum and the cavitation pressure is less than 20 mbar.3. The method according to claim 1 , wherein pressure is reduced from an initial value to the pressure minimum and then increases to a target value which essentially corresponds to the initial value.4. The method according to claim 3 , wherein a time required to reduce the pressure from the initial value to the pressure minimum is less than a time required to increase the pressure from the pressure minimum to the target value.5. The method according to claim 1 , wherein a chemical reaction is caused inside a reaction chamber claim 1 , wherein a volume of the reaction chamber is varied.6. The method according to claim 5 , wherein the volume of the reaction chamber is varied by a piston which moves the at least one reactant into the reaction chamber before the chemical reaction occurs and pushes a product out of the reaction chamber after the reaction has occurred.7. The method according to claim 1 , wherein a cavitation pressure of the reactant is determined at intervals of less than 30 minutes.8. The method according to claim 7 , wherein the cavitation pressure is determined continuously.9. The method according to claim 7 , wherein the pressure minimum and/or a temporal course of the pressure for the chemical reaction ...

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Номер записи: 61
07-01-2016 дата публикации

NOZZLE DESIGN FOR IONIC LIQUID CATALYZED ALKYLATION

Номер: US20160002125A1
Автор: Ahmed Moinuddin, CHANG Bong Kyu, Girgis Michael John, Luo Huping, Mohr Donald Henry, Parimi Krishniah, Timken Hye Kyung Cho
Принадлежит: Chevron U.S.A. INC.

Systems for ionic liquid catalyzed hydrocarbon conversion comprise a reactor vessel, a mixing device in fluid communication with the reactor vessel, and at least one circulation loop in fluid communication with the reactor vessel and the mixing device. The mixing device may comprise an upper venturi, at least one feed injection component, and a lower venturi. Such systems may be used for ionic liquid catalyzed alkylation reactions. Processes for ionic liquid catalyzed hydrocarbon conversion are also disclosed. 1. A system for ionic liquid catalyzed hydrocarbon conversion , the system comprising:a reactor vessel having a top; anda mixing device disposed at the top of the reactor vessel, wherein the mixing device comprises:an upper venturi having an axial outlet at the upper venturi distal end, the upper venturi distal end disposed within the reactor vessel,at least one feed injection array disposed within the reactor vessel, each said feed injection array coaxial with the upper venturi, anda lower venturi having an axial inlet at the lower venturi proximal end, the lower venturi proximal end disposed within the reactor vessel, wherein:the lower venturi inlet is spaced radially outward from the upper venturi outlet to define an inter-venturi channel between the upper venturi distal end and the lower venturi proximal end,the lower venturi is coaxial with the upper venturi,the mixing device is configured for projecting a central jet of a first liquid downward from the upper venturi outlet into the lower venturi, andeach said feed injection array is configured for projecting a second liquid toward an axis of the upper venturi.2. (canceled)3. The system according to claim 1 , wherein the lower venturi inlet is disposed at the same elevation or about the same elevation as the upper venturi outlet.4. The system according to claim 1 , wherein:the lower venturi has a lower venturi constriction point,the at least one feed injection array comprises a single feed injection array ...

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Номер записи: 62
01-01-2015 дата публикации

SYSTEM AND METHOD FOR RAPID TRANSITIONING OF POLYOLEFIN PROCESSES FROM ONE PRODUCT TO ANOTHER

Номер: US20150005462A1
Автор: Chan Ernest, Dudish Gregory
Принадлежит: Ineos USA, LLC

A gas-phase polyolefin reactor system for rapidly transitioning from one polyolefin product to another is disclosed. The reactor system comprises a steady-state control valve, a high-flow valve, a polyolefin reactor, a flow meter, a totalizer, an online analyzer and an empirical model. During a transition, the on-line analyzer measures an initial concentration of a reaction component, the empirical model predicts a required amount based upon the measured initial concentration and a selected ending concentration, the flow meter measures a flow rate, the totalizer determines a totalized amount when the flow rate of the first stream reaches the required amount based upon the measured flow rate and outputs the totalized amount to the empirical model, and the empirical model compares the required amount to the totalized amount and determines a transition endpoint. A method of rapidly transitioning the reactor system from one polyolefin product to another is also disclosed. 1. A gas-phase polyolefin reactor system , comprising:a) a steady-state control valve, wherein a first stream is connected to an input end of the steady-state control valve and to an input end of a high-flow valve and a second stream is connected to an output end of the steady-state control valve and the high-flow valve, wherein the second stream is connected to a third stream, wherein the third stream is connected to an input of a gas-phase polyolefin reactor;b) wherein the first, second and third streams comprise a reaction component, wherein an on-line analyzer measures an initial concentration of the reaction component in the third stream upstream from the gas-phase polyolefin reactor, wherein an empirical model predicts a required amount of a reaction component based upon the measured initial concentration and a selected ending concentration, wherein a flow meter measures a flow rate of the first stream near the input end of the high-flow valve and outputs the measured flow rate to a totalizer, ...

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Номер записи: 63
20-01-2022 дата публикации

Reactor for a Chemical Reaction and Method for Controlling the Chemical Reaction

Номер: US20220016588A1
Автор: Anton Ledwon, Waldemar Lewtschenko
Принадлежит: Heion GmbH

The invention relates to a reactor (1) for a chemical reaction, comprising a housing (10) and a reaction chamber (3), a nozzle member (30) with an inlet (32) for letting at least one reactant flow into the reaction chamber (3), wherein the nozzle member (30) is mounted in a movable manner relative to the housing (10), a sensor device (80) by means of which at least one measuring quantity can be detected during the chemical reaction, and an adjusting device (50) by means of which at least one mounting parameter influencing the movement of the nozzle member (30) can be adjusted, a control unit (70) configured for receiving from the sensor device (80) a measurement signal of the sensor device (80) based on the measuring quantity and generating a control signal for the adjusting device (50) depending on the measurement signal. The invention further relates to a method for controlling the chemical reaction.

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Номер записи: 64
14-01-2021 дата публикации

REACTOR AND METHOD FOR CONTINUOUS POLYMERIZATION

Номер: US20210008519A1
Автор: Feller Rolf, Paul Hanns-Ingolf, Wagner Paul, Wiesner Udo
Принадлежит:

The invention relates to a reactor and to a method for continuous polymerization, in which said reactor for the continuous production of polymers, particularly synthetic rubbers, contains at least one substantially tubular reactor housing (), wherein said reactor housing () has a drive shaft () that is connected to at least one agitator () arranged such that it can rotate inside the reactor housing (), and the agitator contains at least one, and preferably two, three or four helical mixing elements () which are designed to be preferably close to the wall or to come into contact with the wall. 1. A reactor for the continuous production of polymers , in particular synthetic rubbers , comprising at least one essentially tubular reactor housing , the reactor housing having a drive shaft which is rotatably arranged with at least one inside the reactor housing Stirrer is connected , the stirrer containing at least one , preferably two , three or four helical mixing elements , which are preferably designed close to the wall or in contact with the wall.2. The reactor according to claim 1 , characterized in that the geometric center axis is arranged essentially horizontally or essentially vertically.3. The reactor according to claim 1 , characterized in that it has an internal displacement body which is arranged essentially along the geometric central axis.4. The reactor according to claim 1 , characterized in that the stirrer has at least one helical mixing element designed close to the wall or in contact with the reactor housing claim 1 , and at least one helical mixing element designed close to the wall or in contact with the wall of the internal displacement body.5. The reactor according to claim 3 , characterized in that the internal displacement body is designed in such a way that a temperature control medium can flow through it.6. The reactor according to claim 1 , characterized in that the helical mixing elements are designed such that the distance of the helical ...

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Номер записи: 65
10-01-2019 дата публикации

CRYSTALLIZER OR REACTOR AND METHOD FOR CONTINUOUSLY GROWING CRYSTALS OR CONTINUOUSLY MANAGING A REACTION

Номер: US20190009189A1
Автор: Heitmann Torsten, Wllk Andreas
Принадлежит:

The invention relates to a processing device in the form of a crystallizer or reactor comprising a tube, at the opposite end regions of which an inlet and an outlet are provided for a crystallization or reaction medium. A helixical web is provided which runs about a longitudinal axis of the tube and which rests against the inner face of the tube casing, and the web is mounted so as to be rotatable about the aforementioned longitudinal axis of the tube. The device also has a drive for rotating the web. 1123452265. An apparatus , in particular a crystallizer () or a reactor , comprising a tube () , at the opposite end regions of which an inflow () and an outflow () are provided for a crystallization or reaction medium , wherein a web () is provided which runs helically about a longitudinal axis of the tube () and which rests against the inner face of the tube jacket , and the web is mounted to be rotatable about the aforementioned longitudinal axis of the tube () and the apparatus has a drive () for rotating the web ().25252562. An apparatus in accordance with claim 1 , wherein the web () is fixedly connected to the inner side of the tube jacket; and/or the tube () is supported such that it can be rotated together with the web () about said longitudinal axis claim 1 , with the rotatable support of the tube () representing the rotatable support of the web () and with the drive () serving the rotation of the tube ().35292. An apparatus in accordance with claim 1 , wherein the web () and the tube () represent separate components; and/or the tube () is supported in a stationary and non-rotatable manner.4278. An apparatus in accordance with claim 1 , wherein the end of the tube () at the outflow side is closed claim 1 , preferably by a cover (); and/or the tube jacket has at least one aperture claim 1 , and preferably a plurality of apertures () claim 1 , distributed over the periphery in the end region at the outflow side.529. An apparatus in accordance with claim 1 , ...

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Номер записи: 66
10-01-2019 дата публикации

ROTATING TUBE MIXER AND METHOD OF MIXING

Номер: US20190009228A1
Автор: Ashe Robert, Eccleson Gary, Gaunt Christopher
Принадлежит:

A tubular reactor or mixer comprising a tube which can be rotated in reciprocating arcs about its longitudinal axis provided with removable mixing elements () within the reactor wherein means () are provided to retain the mixing elements within the tubular mixer or reactor so that they move with the movement of the mixer or reactor, the tube preferably also contains mixing elements () that are free and do not move with the reciprocation of the tube; processes using the reactor or mixer are included. 1. A mixing system comprising ,a) a tube;b) one or more keying elements as part of the tube to retain one or more mixing elements within the tube; and wherein the tube rotates in reciprocating arcs around a longitudinal axis of the tube and the one or more mixing elements move with the tube.2. The mixing system according to claim 1 , wherein the one or more keying elements are protrusions.3. The mixing system according to claim 1 , wherein the one or more keying elements are slots.4. The mixing system according to claim 1 , wherein the mixing system contains at least one mixer assembly comprising a fixed mixer and a moving mixer; andwherein a position of a fixed mixer blade of the fixed mixer relative to the tube is held in position by the one or more keying elements.5. The mixing system according to claim 4 , wherein the fixed mixer is supported by two or more of the one or more keying elements.6. The mixing system according to claim 4 , wherein the fixed mixer is held in position by a cross brace which engages with the one or more keying elements.7. The mixing system according to claim 1 , wherein a mixing assembly can be slid into position in the tube from an end of the tube; andwherein the mixing assembly remains in a required position without mechanical fastenings between the mixing assembly and the tube.8. (canceled)9. The mixing system according to claim 1 , wherein the mixing system is a tubular reactor comprising:the tube which can be rotated in reciprocating ...

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Номер записи: 67
10-01-2019 дата публикации

REMEDIATION OF CONTAMINATED SOIL AND WATER USING ENHANCED STIMULATORS

Номер: US20190009314A1
Автор: Kim Seonghwan, MIN Byong Jun, PARK Simon, WADDELL Jevins Lee
Принадлежит:

A contaminated medium (such as soil and/or groundwater) contaminated with petrogenic and/or other organic contaminants such as petroleum hydrocarbons, light non- aqueous phase liquids (NAPLs), dense non-aqueous phase liquids (DNAPLs), persistent organic pollutants (i.e. sulfolane), chlorinated compounds, and volatile organic compounds, can be mixed with enhanced stimulators and be thermally remediated. The enhanced stimulators are heat induced to undergo exothermic reactions, which initiate a series of in-situ chemical reactions to such as to produce hydrogen gas. The hydrogen gas causes hydrocracking of heavy hydrocarbons to produce light hydrocarbons which can be recovered such as for future use. 1. A method of remediating a contaminated medium , wherein said medium is contaminated with at least one of petrogenic and organic contaminants , the method comprising:pre-treating the contaminated medium by admixing one or more enhanced stimulators therewith to produce a pre-treated contaminated medium; andincreasing a temperature of the pre-treated contaminated medium to induce at least a portion of the enhanced stimulators to undergo exothermic reactions for initiating a series of chemical reactions in the pre-treated contaminated medium to produce a thermally remediated medium substantially reduced in a concentration of at least one contaminant relative to said contaminated medium, and a vaporized contaminant.2. The method of claim 1 , wherein the contaminated medium comprises at least one of a contaminated soil medium and a contaminated water medium.3. The method of claim 1 , wherein the vaporized contaminant comprises a vaporized hydrocarbon.4. The method of claim 1 , wherein the enhanced stimulators comprise a chemical blowing agent claim 1 , and wherein increasing a temperature of the pre-treated contaminated medium further comprises inductively heating the pre-treated contaminated medium to induce the chemical blowing agent to undergo an exothermic reaction.5. ...

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Номер записи: 68
09-01-2020 дата публикации

FLOW-PROMOTING DEVICE, A REACTOR ARRANGEMENT AND THE USE OF SUCH FLOW-PROMOTING DEVICE

Номер: US20200009519A1
Автор: Byström Emil, IRGUM Knut, LÖFGREN Erik, Öberg Christopher
Принадлежит:

The invention refers to a flow-promoting device (″) for performing a biological or chemical transformation, or physical or chemical trapping from, or release of agents to, a fluidic medium. The flow-promoting device (″) comprises a ferromagnetic material () and a retaining structure (″), the retaining structure having a compartment (″) defined by a permeable material (″). The retaining structure (″) comprises a top wall (″) and a circumferential side wall (″), wherein the top wall (″) and the circumferential side wall (″) is formed mainly by said permeable material (″). The compartment (″) of the retaining structure (″) is arranged to contain at least one fluid-permeable solid reaction member. 1. A flow-promoting device for performing a biological or chemical transformation , or physical or chemical trapping from , or release of agents to , a fluidic medium , whereinsaid flow-promoting device comprising a ferromagnetic material and a retaining structure, the retaining structure having a compartment defined by a permeable material, whereinthe retaining structure comprises a top wall and a circumferential side wall, wherein the top wall and the circumferential side wall is formed mainly by said permeable material, andthe compartment of the retaining structure is arranged to contain at least one fluid-permeable solid reaction member, wherebywhen the flow-promoting device is submerged into a fluidic medium and the flow-promoting device is subjected to an alternating magnetic field, the flow-promoting device is set to rotate, thereby causing a flow of fluidic medium into and through the compartment via said permeable material.2. The flow-promoting device according to claim 1 , wherein the top wall has a continuous extension across its full surface extension and does not comprise any central inlet opening.3. The flow-promoting device according to claim 1 , wherein the permeable material is a mesh material claim 1 , said mesh material having an inherent stiffness thereby ...

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Номер записи: 69
09-01-2020 дата публикации

REACTION DEVICE WITH HEAT EXCHANGER AND USE THEREOF

Номер: US20200009524A1
Автор: Aigner Jonathan, Hense Peter, Hornung Andreas, Hornung Thorsten, Pedrazzini Alberto
Принадлежит:

A reaction device is provided with a first wall that defines an interior in which a stirring mechanism is located. A heat exchanger is at least partly provided on the first outer wall surface facing away from the interior and/or on the stirring mechanism, wherein the heat exchanger has a grate structure, and at least two layers are provided which have a grate structure. Thus, it is possible to transfer heat in a precise and efficient manner primarily by means of thermal radiation in endothermic processes at different temperature levels, in particular pyrolysis, gassing, and reforming processes, and thereby use the exhaust heat for other processes. 1. A reaction device comprising:a first wall, which defines an interior, the interior configured to accommodate a stirring mechanism,wherein a heat exchanger is at least partly on a surface of the first wall that faces away from the interior and/or on the stirring mechanism, the heat exchanger including at least two layers each of which has a grate structure.2. The reaction device according to claim 1 , wherein the reaction device has a double wall comprising:the first wall, anda second wall, so that an intermediate space, which accommodates the heat exchanger, is formed between the first wall and the second wall.3. The reaction device according to claim 2 , wherein the reaction device is a tube furnace.4. The reaction device according to claim 1 , wherein the stirring mechanism is a screw conveyor.5. The reaction device according to claim 4 , wherein the screw conveyor comprises screw sections claim 4 , which have different pitches.6. The reaction device according to claim 1 , wherein the reaction device has at least two reaction zones with different temperatures.7. The reaction device according to claim 1 , wherein the layers of the heat exchanger are connected to one another at contact points of the layers or contact surfaces of the layers.8. The reaction device according claim 1 , wherein the structure of a grate ...

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Номер записи: 70
08-01-2015 дата публикации

Pressure Management for Slurry Polymerization

Номер: US20150011718A1
Автор: Hottovy John D., KREISCHER Bruce E., Kufeld Scott E.
Принадлежит:

Processes and systems for the production for pressure management of a polymerization product flowing from a loop polymerization reactor to a separation vessel in a slurry polymerization system are disclosed herein. For example, a process comprises withdrawing a polymerization product slurry from a loop polymerization reactor, conveying the polymerization product slurry through a first line comprising a continuous take-off valve to yield a mixture comprising a vapor phase, wherein the mixture exits the continuous take-off valve, and conveying the mixture through a second line comprising a flashline heater so that the mixture has a Froude number in a range from about 5 to about 100. 1. A process for pressure management of a polymerization product in slurry polymerization , the process comprising:withdrawing a polymerization product slurry from a loop polymerization reactor;conveying the polymerization product slurry through a first line comprising a continuous take-off valve to yield a mixture comprising a vapor phase, wherein the mixture exits the continuous take-off valve; andconveying the mixture through a second line comprising a flashline heater so that the mixture has a Froude number in a range from about 5 to about 100.2. The process of claim 1 , wherein a drop in pressure of the first line is less than a drop in pressure of the second line.3. The process of claim 1 , wherein a drop in pressure of the first line is greater than a drop in pressure of the second line.4. The process of claim 1 , wherein the Froude number of the mixture conveyed through the flashline heater is in a range of about 10 to about 60.5. The process of claim 1 , wherein the flashline heater comprises a plurality of segments.6. The process of claim 5 , wherein the conveying the mixture through the second line comprising the flashline heater comprises:conveying the mixture through at least one segment of the plurality of segments of the flashline heater so that the mixture has a Froude ...

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Номер записи: 71
09-01-2020 дата публикации

Decomposition mediation in chlorine dioxide generation systems through sound detection and control

Номер: US20200010319A1
Автор: David R. Papanek, Emily Rader, Kun Xiong, Nicholas Ryan DENNY, Shawn DALKE, Stephen Joseph Hinterlong
Принадлежит: ECOLAB USA INC

A method of controlling a chemical reaction is disclosed. The method may include feeding a solution at a first flow rate into a reactor and detecting a sound in the reactor using a sound sensor that is adjacent to the reactor. The sound sensor may convert the sound into a sound signal. After the sound signal is acquired, it is compared to a stored sound signal or a stored sound threshold to detect a reaction event. The method may include adjusting the flow rate of solutions into the reactor in response to the reaction event.

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Номер записи: 72
09-01-2020 дата публикации

Lithium adsorption-desorption apparatus and lithium adsorption-desorption method using the same

Номер: US20200010927A1
Автор: Byoung-Gyu Kim, Kang-Sup CHUNG
Принадлежит: Korea Institute of Geoscience and Mineral Resources KIGAM

Therefore, the lithium adsorption desorption apparatus can fix a large amount of lithium adsorbent and immerse it in a lithium-containing solution to effectively adsorb lithium and then quickly desorb lithium in a desorption solution, and can efficiently wash the lithium adsorbent in a cleaning solution.

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Номер записи: 73
03-02-2022 дата публикации

POLYMERIC MATERIALS

Номер: US20220033532A1
Автор: Hayton Richard David, McRobbie lan Malcolm, Waterson Carl
Принадлежит:

Apparatus for undertaking a chemical reaction includes an elongate housing and a receptacle. The elongate housing may include a cooling means, and end fittings, which may include ports where fluids may be introduced and/or removed. In use of the apparatus, a chemical reaction product is formed within the receptacle. Subsequently the receptacle containing the chemical reaction product is withdrawn from the elongate housing. 127-. (canceled)28. An Apparatus for undertaking a polymerisation reaction to produce a drag reducing polymer , the apparatus comprising:(a) an elongate housing; and(b) an elongate receptacle within the housing, said receptacle being arranged to receive reagents for reaction in the apparatus to produce a drag reducing polymer.29. The apparatus according to claim 28 , wherein said receptacle comprises a plastic film material which has a thickness of at least 20 μm (preferably at least 50 μm) and a thickness of less than 2000 μm (preferably less than 1000 μm); and/or wherein the internal wall area of the receptacle is defined as the area of the receptacle which is arranged to contain material (e.g. polymer in use) claim 28 , wherein at least 50% (preferably about 100%) of the internal wall area is defined by a said plastic film material which consists of a single layer.30. The apparatus according to claim 29 , wherein said plastic material of said film comprises an optionally-substituted polyolefin polymer claim 29 , for example polyethylene.31. The apparatus according to claim 29 , wherein said receptacle includes a first end and a second end which are spaced apart along the elongate extent of the receptacle claim 29 , wherein said first end is a closed end and includes a sealed region claim 29 , wherein said receptacle is formed from lay-flat tubing.32. The apparatus according to claim 31 , wherein the length of the receptacle is the linear distance between said first end and said second end claim 31 , wherein the diameter of the receptacle is ...

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Номер записи: 74
17-01-2019 дата публикации

CALCINED GYPSUM TREATMENT DEVICE AND CALCINED GYPSUM TREATMENT METHOD

Номер: US20190016633A1
Автор: HAYASE Ken
Принадлежит: YOSHINO GYPSUM CO., LTD.

A calcined gypsum treatment apparatus has an agitating type of cooler provided with a cooling region for cooling the calcined gypsum, and a moisture supplying device for incorporating moisture into the calcined gypsum. The moisture supplying device includes a humid gas-feeding port which introduces humid gas including moisture or steam, directly into the cooling region. The calcined gypsum is introduced through a calcined gypsum introduction port into the cooling region, and the moisture is incorporated into the calcined gypsum to modify the calcined gypsum. The humid gas-feeding port is positioned in vicinity to the calcined gypsum introduction port so as to allow the spouted or delivered flow of the humid gas to be brought into contact with the calcined gypsum immediately after introduced into the cooling region. 1. A calcined gypsum treatment apparatus , which has a moisture supplying device for incorporating moisture into calcined gypsum and an agitating type of cooler provided with a cooling region for cooling the calcined gypsum;wherein said moisture supplying device includes a humid gas-feeding port which introduces a spouted flow or delivered flow of the humid gas, including moisture or steam, directly into the cooling region;wherein said cooler is provided with a calcined gypsum introduction port for introducing the calcined gypsum into said cooling region; andwherein said humid gas-feeding port is positioned in vicinity to said calcined gypsum introduction port so as to cause said spouted or delivered flow of the humid gas to be brought into contact with said calcined gypsum immediately after being introduced into said cooling region.2. The apparatus as defined in claim 1 , wherein said humid gas is a high temperature and high humidity gas produced in a calciner for calcination of said calcined gypsum and separated from the calcined gypsum; said cooler has a calcined gypsum supply device including the calcined gypsum introduction port; a calcined gypsum ...

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Номер записи: 75
21-01-2021 дата публикации

METHOD AND APPARATUS FOR PRODUCING 1,2,3,4-TETRACHLOROBUTANE

Номер: US20210017105A1
Автор: FUKUCHI Yohsuke, Kobayashi Hiroshi, MIKAMI Katsumi, OGURO Shinya
Принадлежит: SHOWA DENKO K.K.

Provided are a method and an apparatus for producing 1,2,3,4-tetrachlorobutane that are unlikely to lose 3,4-dichloro-1-butene as the material or 1,2,3,4-tetrachlorobutane as the product and can be stably and economically produce 1,2,3,4-tetrachlorobutane. A reaction liquid () containing 3,4-dichloro-1-butene is placed in a reaction container (), then chlorine gas is supplied to a gas phase () in the reaction container (), and the 3,4-dichloro-1-butene is reacted with the chlorine gas to give 1,2,3,4-tetrachlorobutane. 1. A method for producing 1 ,2 ,3 ,4-tetrachlorobutane , the method comprising:placing a reaction liquid containing 3,4-dichloro-1-butene in a reaction container; thensupplying chlorine gas to a gas phase in the reaction container; andreacting the 3,4-dichloro-1-butene with the chlorine gas.2. The method for producing 1 claim 1 ,2 claim 1 ,3 claim 1 ,4-tetrachlorobutane according to claim 1 , wherein the chlorine gas is supplied at an amount of 5.0 mol/h/cmor less per unit area of a liquid surface of the reaction liquid in the reaction container.3. The method for producing 1 claim 1 ,2 claim 1 ,3 claim 1 ,4-tetrachlorobutane according to claim 1 , wherein a pressure in the reaction container is 0.01 MPa or more and 1.0 MPa or less.4. The method for producing 1 claim 1 ,2 claim 1 ,3 claim 1 ,4-tetrachlorobutane according to claim 1 , wherein in the reaction of the 3 claim 1 ,4-dichloro-1-butene with the chlorine gas claim 1 , a portion of the reaction liquid is extracted and is returned to the gas phase in the reaction container.5. The method for producing 1 claim 4 ,2 claim 4 ,3 claim 4 ,4-tetrachlorobutane according to claim 4 , wherein when a portion of the reaction liquid is returned to the gas phase in the reaction container claim 4 , the portion of the reaction liquid is sprayed to the gas phase in the reaction container.6. An apparatus for producing 1 claim 1 ,2 claim 1 ,3 claim 1 ,4-tetrachlorobutane by the method for producing 1 claim 1 ,2 ...

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Номер записи: 76
22-01-2015 дата публикации

CARBONATION DEVICE AND METHOD OF CARBONATION USING THE SAME

Номер: US20150023127A1
Автор: CHON Uong, HAN Gi-Chun, Jeung Kee Uek, KIM Ki Young, LEE Im Chang, Park Woonkyoung, Song Chang Ho
Принадлежит:

Disclosed is a carbonation device including: a storage tank storing a carbonation subject solution; a droplet spray unit spraying the carbonation subject solution from the storage tank as droplets; a carbonation reaction tank disposed with the droplet spray unit and filled with a carbonation gas under a predetermined pressure to provide a slurry by a carbonation reaction of the droplet-sprayed carbonation subject solution with the filled carbonation gas; a carbonation gas supply unit supplying the carbonation gas into the carbonation reaction tank to maintain the carbonation gas in the carbonation reaction tank under the predetermined pressure; and a slurry outlet unit ejecting the slurry from the carbonation reaction tank to maintain the slurry formed in the carbonation reaction tank within a predetermined level, and a method of carbonation using the same. 1. A carbonation device comprising:a storage tank storing a carbonation subject solution;a droplet spray unit spraying the carbonation subject solution from the storage tank in droplets;a carbonation reaction tank disposed with the droplet spray unit and filled with a carbonation gas under a predetermined pressure to provide a slurry by a carbonation reaction of the droplet-sprayed carbonation subject solution with the filled carbonation gas;a carbonation gas supply unit supplying the carbonation gas into the carbonation reaction tank to maintain the carbonation gas in the carbonation reaction tank under the predetermined pressure; anda slurry outlet unit ejecting the slurry from the carbonation reaction tank to maintain the slurry formed in the carbonation reaction tank within a predetermined level.2. The carbonation device of claim 1 , wherein the slurry outlet unit ejecting the slurry formed in the carbonation reaction tank from the carbonation reaction tank to maintain the slurry amount within the predetermined level comprises:a level measurement unit generating a signal to confirm whether the slurry amount ...

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Номер записи: 77
26-01-2017 дата публикации

Mesofluidic Reactor With Pulsing Ultrasound Frequency

Номер: US20170021328A1
Автор: Darvas Ferenc, Lengyel László Csaba, Vágó Teréz
Принадлежит:

A mesofluidic reactor performs a chemical reaction of a starting material. A liquid phase starting material is introduced into a spraying head equipped with an ultrasound generating piezoelectric crystal unit. An inert/reagent gas feeds into the spraying head, connected to a reactor tube arranged within a thermally insulated multi-zone heating unit. For solid phase, an inert/reagent gas is introduced into a solids container connected to a spraying head equipped with an ultrasound generating piezoelectric crystal unit. The spraying head connects to a reactor tube arranged within a thermally insulated multi-zone heating unit. In either case, a reactor tube outlet connects to a cooled product trap to collect conversed substances. The spraying head generates a particle size distribution with nano and micro sized particles for the liquid phase and nano, micro or larger particles for the solid phase. The inert/reagent gas is preheated over the piezoelectric crystal unit's surface. 1. A mesofluidic reactor to perform a chemical reaction of a starting material , wherein components of the reactor are combined together depending on phase state of the starting material to form said reactor , the mesofluidic reactor comprising:(i) in case of a liquid phase starting material,{'b': 1', '4, 'a container () to store said liquid phase starting material, a high-pressure spraying head () equipped with an ultrasound generating piezoelectric crystal unit and having a nozzle,'}{'b': 3', '1', '4, 'a tubing () to provide fluid communication between the container () and the spraying head (),'}{'b': '12', 'a reactor tube () with an inlet and an outlet,'}{'b': '12', 'claim-text': [{'b': 4', '12, 'the spraying head () is connected to the inlet of the reactor tube (),'}, {'b': 12', '13, 'the outlet of the reactor tube () is connected to a cooled product trap () to collect conversed substances, and'}, {'b': 13', '14', '15, 'the product trap () having an outlet connected to a vacuum tap () and a ...

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Номер записи: 78
25-01-2018 дата публикации

APPARATUS AND METHODS FOR MIXING REFORMABLE FUELS AND AN OXYGEN-CONTAINING GAS AND/OR STEAM

Номер: US20180026289A1
Автор: Dewald Paul, Finnerty Caine
Принадлежит:

The present teachings provide apparatus and methods for mixing a reformable fuel and/or steam with an oxygen-containing gas and/or steam to provide a gaseous reforming reaction mixture suitable for reforming with a reformer and/or a fuel cell stack of a fuel cell unit and/or fuel cell system. 113-. (canceled)14. A method of mixing reformable fuel and an oxygen-containing gas and/or steam for delivery to a reformer and/or fuel cell stack of a fuel cell unit , the method comprising:delivering an oxygen-containing gas and/or steam through a tube comprising a throat such that the oxygen-containing gas and/or steam experiences an increase in velocity and decrease in pressure through the throat and a rifling or twisting motion downstream of the throat along with an increase in pressure and decrease in velocity; 'wherein the fuel injection chamber is created by a collar present around the tube and is in fluid communication with the fuel source inlet and the interior of the tube through the one or more fuel inlets; and', 'introducing a reformable fuel and/or steam through a fuel source inlet into a fuel injection chamber and through one or more fuel inlets into the stream of oxygen-containing gas and/or steam downstream of the throat, whereby the reformable fuel and/or steam mixes with the stream of the oxygen-containing gas and/or steam to provide a gaseous reforming reaction mixture,'}delivering the gaseous reforming reaction mixture to a reformer and/or a fuel cell stack of a fuel cell unit.15. (canceled)16. The method of claim 14 , comprising reforming or reforming partially the gaseous reforming reaction mixture prior to the gaseous reforming reaction mixture exiting an outlet of the tube.17. The method of claim 16 , comprising transferring heat generated by reforming or reforming partially the gaseous reforming reaction mixture to the reformable fuel and/or steam prior to introducing the reformable fuel and/or steam into the stream of oxygen-containing gas and/or ...

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Номер записи: 79
02-02-2017 дата публикации

REDUCTION OF FOULING IN HIGH PRESSURE REACTORS

Номер: US20170029533A1
Автор: Cheluget Eric, Tchir William Joseph
Принадлежит: NOVA CHEMICALS (INTERNATIONAL) S.A.

The Application of equations of state to experimental and literature data permits the formation of a model and phase diagram(s) that show under what conditions polyethylene is likely to precipitate out of a high pressure solution of polyethylene in supercritical ethylene. This then permits a better definition to run a high pressure reactor to reduce the likelihood of phase separation, loss of cooling and potentially decomposition of the reactor contents. 1. A method to determine the curve of the liquid liquid equilibrium boundary as a function of molecular weight distribution (MWD) for a multitude of different products comprising from about 80 to about 100 wt. % of ethylene and about 0 up to about 20 weight % of one or more Calpha olefins having a molecular weight from about 8 ,000 to about 500 ,000 produced in super critical ethylene in a high pressure reactor at temperatures from about 80° C. to about 350° C. and pressures from about 100 MPa to about 350 MPa comprising:a) modeling experimental or literature data for the liquid liquid equilibrium using an equation of state model to describe the effects of the molecular weight and the polydispersity of the polyethylene on the liquid liquid equilibrium curveb) determining the composition-specific parameters of the model from a); and,c) applying an equation of state model selected from TPT1, TPT1-MSA and TPT1-RHNC to the temperature, pressure and composition conditions of the reaction to generate the liquid liquid equilibrium boundary and optionally the critical polymer concentration.2. The process according to wherein the reactor is a tubular reactor.3. A process to prepare a liquid polymer lean/liquid polymer rich and liquid liquid phase diagram for a reactor for polymerizing a system comprising a polymer having a weight average molecular weight from about 8 claim 1 ,000 to about 500 claim 1 ,000 comprising from about 80 to about 100 wt % of ethylene and about 0 to about 20 wt % of one or more Calpha olefins in ...

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Номер записи: 80
04-02-2016 дата публикации

CONTINUOUS EMULSION POLYMERIZATION PROCESS AND INITIATION SYSTEM

Номер: US20160032023A1
Автор: Adams David
Принадлежит:

In a continuous emulsion polymerization process, at least one monomer, an aqueous phase, and at least two different redox initiators are added to a continuous polymerization reactor comprising a first zone and a second zone. At least one redox initiator is added to the first zone and at least one redox initiator is added to the second zone. 1. A continuous emulsion polymerization process comprising:adding at least one monomer, an aqueous phase, and at least two different redox initiators to a continuous tubular reactor comprising (1) a circulating loop section and (2) a secondary line section having one end connected to a discharge opening of the loop section and a polymer outlet at its other end; andpolymerizing the at least one monomer.2. The process of claim 1 , wherein each redox initiator comprises a reducing agent and an oxidizing agent.3. The process of claim 1 , wherein the at least two different redox initiators are added to the tubular reactor at different locations.4. The process of claim 2 , wherein at least one of the at least two different redox initiators is added to the circulating loop section of the tubular reactor.5. The process of claim 4 , wherein the reducing agent from at least one of the at least two different redox initiators is added to the secondary line section of the tubular reactor.6. The process of claim 4 , wherein oxidizing agent from at least one of the at least two different redox initiators is added to the secondary line section of the tubular reactor.7. The process of claim 2 , wherein at least one of the at least two different redox initiators is water soluble and at least one of the at least two different redox initiators is oil soluble.8. The process of claim 7 , wherein the water soluble initiator is added to the reactor upstream of where the oil soluble initiator is added.9. The process of claim 7 , wherein the oxidizing agent from the oil soluble redox initiator is added to the circulating loop section of the tubular ...

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Номер записи: 81
30-01-2020 дата публикации

METHOD AND DEVICE FOR THE HYDROLYSIS OF A COMPOUND

Номер: US20200030769A1
Автор: Hofmann Albert, Klose Göran, Maier Helene
Принадлежит:

The subject matter of the invention is a device for the hydrolysis of at least one compound. The device comprises a first cylindrical section having a diameter D, a central duct, an outer duct which surrounds the central duct coaxially, an outlet having a diameter D, and a second section which tapers towards the outlet and into which the ducts issue. The second section has, in cross-section along a longitudinal axis Aof the device, a profile which is described by two radii R1 and R2 which merge tangentially into each other, where 0.2 Подробнее

Номер записи: 82
04-02-2021 дата публикации

PROCESS VESSEL FOR FORMING FUEL COMPOSITIONS AND RELATED SYSTEMS AND METHODS

Номер: US20210032555A1
Автор: Lukas Michael D., Ostvik Bjornulf
Принадлежит:

This disclosure relates to a processing that includes a first shell and a second shell disposed within the first shell. The second shell includes a first end, a second end, and a wall extending between the first end and the second end. The second shell also defines a cavity and a longitudinal axis extending between the first end and the second end. A cross section of the second shell transverse to the longitudinal axis includes a first arcuate inner wall portion having a first radius of curvature and a second arcuate inner wall portion having a second radius of curvature. The first radius of curvature is larger than the second radius of curvature. 120.-. (canceled)21. A vessel comprising:a first shell;a second shell disposed within the first shell, the second shell comprising a first end, a second end, and a wall extending from the first end to the second end, the second shell defining a cavity, the second shell further defining a primary longitudinal axis extending between the first end and the second end, the second shell having a cross section that is transverse to the primary longitudinal axis, the cross section including first, second, third, and fourth arcuate inner wall portions, the second arcuate inner wall portion forming a channel between the third arcuate inner wall portion and the fourth arcuate inner wall portion;a first mixer disposed in the cavity;a second mixer disposed in the cavity; andan extruder element disposed in the channel in the cavity.22. The vessel of claim 21 , wherein the first mixer and the second mixer each comprise a rotary mixing blade.23. The vessel of claim 21 , wherein the extruder element is an extrusion screw.24. The vessel of claim 21 , wherein the first arcuate inner wall portion has a first radius of curvature and the second arcuate inner wall portion has a second radius of curvature that is larger than the first radius of curvature.25. The vessel of claim 21 , wherein an annular enclosure is defined between the first shell ...

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Номер записи: 83
08-02-2018 дата публикации

Pyrolytic reactor and method of using

Номер: US20180036698A1
Автор: Aziz Sattar, Laura E. Leonard, Mohamad R. Mostofi-Ashtiani, Peter SHAFE, Rajeswar R. Gattupalli, Vighneswara R. KOLLATI, Vinayender Kuchana
Принадлежит: UOP LLC

Methods and apparatus to produce alkynes are described. The method includes combusting fuel and an oxidizer in a combustion zone to create a carrier gas stream, which is accelerated to supersonic speed in an expansion zone. A feedstock material is injected into a feedstock injection zone using two or more pluralities of injection nozzles. The injection nozzles are arranged annularly. The carrier gas stream is transitioned from supersonic speed to subsonic speed to create a shockwave in a reaction zone. The reaction zone is directly connected to the feedstock injection zone, and the shockwave is created adjacent to the feedstock injection zone. The carrier gas stream and the feedstock material are simultaneously mixed and reacted.

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Номер записи: 84
09-02-2017 дата публикации

Hydrocarbon Conversion to Ethylene

Номер: US20170036971A1
Автор: Hershkowitz Frank, Keusenkothen Paul F., Laurenzi Ian J.
Принадлежит:

The invention relates to a hydrocarbon conversion process and a reactor configured to carry out the hydrocarbon conversion process. The hydrocarbon conversion process is directed to increasing the overall equilibrium production of ethylene from typical pyrolysis reactions. The hydrocarbon conversion process can be carried out by exposing a hydrocarbon feed to a peak pyrolysis gas temperature in a reaction zone in the range of from 850° C. to 1200° C. 120-. (canceled)21. A tubular , regenerative , reverse-flow thermal reactor for pyrolyzing hydrocarbon , the reactor comprising:(a) first and second zones, and a reaction zone located between the first and second zones,(b) first and second thermal masses, at least a portion of the first thermal mass being located in the first zone, and at least a portion of the second thermal mass being located in the second zone,(c) at least one combustion feed conduit for introducing a combustion feed into the reactor proximate to the first zone and conveying the combustion feed to the reaction zone,(d) at least one pyrolysis feed conduit for introducing a pyrolysis feed into the reactor proximate to the second zone and conveying pyrolysis feed to the reaction zone, the first zone is configured to transfer heat from the first thermal mass to the combustion feed during the first time interval and to transfer heat from pyrolysis products to the first thermal mass during the second time interval,', 'the reaction zone is configured to combust the combustion feed during the first interval and to expose the pyrolysis feed to a peak pyrolysis temperature in the range of from 850° C. to 1200° C., at a hydrocarbon pressure ≧7 psia (0.48 bara), for a residence time ≦1.0 seconds during the second time interval, and', 'the second zone is configured to transfer heat from combustion products to the second thermal mass during the first time interval and to transfer heat from the second thermal mass to the pyrolysis feed during the second time ...

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Номер записи: 85
24-02-2022 дата публикации

APPARATUS FOR PREPARING OLIGOMER

Номер: US20220055010A1
Автор: HWANG Moon Sub, KIM You Na, LEE Hong Min, LEE Jeong Seok, SONG Jong Hun
Принадлежит:

The present disclosure provides an apparatus for preparing oligomer including: a reactor; a gas-liquid separator; a solvent transfer line; a second transfer line; a first spray nozzle unit; and a second spray nozzle unit. The apparatus is capable of improving stability of the entire process by including a first spray nozzle unit and a second spray nozzle unit in a reactor and thus preventing by-products containing polymer substances such as C20+ from being entrained with a desired product during a reaction. 2. The apparatus for preparing oligomer of claim 1 , wherein the gaseous first discharge stream of the reactor is fed to the gas-liquid separator after passing through a condenser.3. The apparatus for preparing oligomer of claim 1 , wherein the gaseous first discharge stream of the reactor contains an unreacted monomer and a solvent.4. The apparatus for preparing oligomer of claim 1 , wherein the liquid bottom discharge stream of the gas-liquid separator contains a solvent.5. The apparatus for preparing oligomer of claim 1 , wherein a flow rate of the solvent stream separated through the second transfer line to a total flow rate of the solvent stream fed through the solvent transfer line is 0.01 to 0.2.6. The apparatus for preparing oligomer of claim 1 , wherein each of the n spray nozzles formed in the first spray nozzle unit are formed to be spaced apart from each other at predetermined intervals claim 1 , and{'sup': 'th', 'each of the n−1 spray nozzles formed in the second spray nozzle unit is formed in a region between lines vertical to positions at which the nth and (n−1)spray nozzles of the first spray nozzle unit are formed.'}7. The apparatus for preparing oligomer of claim 1 , wherein n is an integer of 2 to 20.8. The apparatus for preparing oligomer of claim 1 , wherein a spray angle of the liquid bottom discharge stream of the gas-liquid separator sprayed from the spray nozzles formed in the first spray nozzle unit is different from a spray angle of the ...

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Номер записи: 86
06-02-2020 дата публикации

APPARATUS FOR TREATING MIXED WASTE AND METHOD THEREOF

Номер: US20200038925A1
Автор: NG Pei Kang, TAN Meng Chong
Принадлежит:

The present invention relates to an apparatus for treating mixed waste, for example, an apparatus for degrading bioplastic material in the mixed waste. The apparatus includes an electromagnetic wave emitter adapted to emit an electromagnetic wave on to the mixed waste; a movement inducing device adapted to move the mixed waste when the electromagnetic wave is being emitted onto the mixed waste such that the mixed waste is moved to increase the exposure of the mixed waste to the electromagnetic wave; and at least one of a heat emitter adapted to emit heat and a moisture emitter adapted to emit moisture onto the mixed waste. The present invention further relates to a method of treating mixed waste. 1. An apparatus for accelerating the degradation of mixed waste , the apparatus comprising:a chamber adapted to contain the mixed waste;an electromagnetic wave emitter disposed within the chamber, the electromagnetic wave emitter adapted to emit an electromagnetic wave on to the mixed waste;a movement inducing device disposed within the chamber, the movement inducing device adapted to move the mixed waste when the electromagnetic wave is being emitted onto the mixed waste wherein the mixed waste is moved to increase the exposure of the mixed waste to the electromagnetic wave; andat least one of a heat emitter adapted to emit heat and a moisture emitter adapted to emit moisture onto the mixed waste, wherein the at least one of the heat emitter and the moisture emitter are disposed within the chamber.2. The apparatus of claim 1 , wherein the movement inducing device comprises a rotatable shaft adapted to rotate about a rotational axis and at least one stirring element extending from the rotatable shaft claim 1 , wherein the stirring element is adapted to stir the mixed waste.3. The apparatus of claim 2 , wherein the stirring element comprises a helical fin extending from the shaft along the rotational axis.4. The apparatus of claim 1 , wherein the heat emitter and the ...

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Номер записи: 87
15-02-2018 дата публикации

A Process for Producing Surface-Postcrosslinked Water-Absorbent Polymer Particles by Polymerizing Droplets of a Monomer Solution

Номер: US20180043052A1
Автор: Bauduin Christophe, Bauer Stephan, Baumann Katrin, Daniel Thomas, Hagen Yvonne, Pfeiffer Thomas
Принадлежит:

The present invention relates to a process for producing surface-postcrosslinked water-absorbent polymer particles comprising polymerizing droplets of a monomer solution, wherein water-absorbent polymer particles having an average particle diameter from 420 to 700 μm, an amount of water-absorbent polymer particles having a particle size of less than 300 μm of less than 5% by weight and an amount of water-absorbent polymer particles having a particle size of more than 800 μm of less than 5% by weight are coated with at least one surface-postcrosslinker and thermal surface-postcrosslinked. 1. A process for producing surface-postcrosslinked water-absorbent polymer particles comprising polymerizing droplets of a monomer solution , comprisinga) at least one ethylenically unsaturated monomer which bears an acid group and may be at least partly neutralized,b) optionally one or more crosslinker,c) at least one initiator,d) optionally one or more ethylenically unsaturated monomer copolymerizable with the monomer mentioned under a),e) optionally one or more water-soluble polymer, andf) water,in a surrounding heated gas phase or in a surrounding hydrophobic solvent, coating the water-absorbent polymer particles with at least one surface-postcrosslinker and thermal surface-postcrosslinking of the coated water-absorbent polymer particles, wherein the water-absorbent polymer particles are optionally classified prior to the coating, the water-absorbent polymer particles have an average particle diameter from 420 to 700 μm prior to the coating and after the optional classification, an amount of water-absorbent polymer particles having a particle size of less than 300 μm prior to the coating and after the optional classification is less than 5% by weight and the amount of water-absorbent polymer particles having a particle size of more than 800 μm prior to the coating and after the optional classification is less than 5% by weight.2. The process according to claim 1 , wherein the ...

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Номер записи: 88
16-02-2017 дата публикации

REACTORS AND METHODS FOR PRODUCING SOLID CARBON MATERIALS

Номер: US20170043310A1
Автор: Noyes Dallas B.
Принадлежит: Seerstone LLC

A reactor for producing a solid carbon material comprising at least one reaction chamber configured to produce a solid carbon material and water vapor through a reduction reaction between at least one carbon oxide and at least one gaseous reducing material in the presence of at least one catalyst material. Additional reactors, and related methods of producing a solid carbon material, and of forming a reactor for producing a solid carbon material are also described. 1. A reactor for producing a solid carbon material , comprising:at least one reaction chamber configured to produce a solid carbon material and water vapor through a reduction reaction between at least one carbon oxide and at least one gaseous reducing material in the presence of at least one catalyst material structure comprising a catalyst material at least partially extending through the at least one reaction chamber;at least one cooling chamber operatively communicating with the at least one reaction chamber and configured to condense the water vapor produced in the at least one reaction chamber; andat least one conveying mechanism configured to transport the at least one catalyst material structure through the at least one reaction chamber.2. The reactor of claim 1 , wherein the at least one reaction chamber is configured to produce the solid carbon material through at least one of a Bosch reaction claim 1 , a Boudouard reaction claim 1 , and a methane reduction reaction.3. The reactor of claim 1 , wherein the at least one reaction chamber is configured to withstand an operating temperature greater than or equal to about 450° C.4. (canceled)5. The reactor of claim 1 , wherein the at least one cooling chamber is configured to have an operating temperature of less than or equal to about 50° C.6. The reactor of claim 1 , further comprising a heat exchange zone operatively associated with each of at least one effluent gas line and at least one return gas line extending between the at least one reaction ...

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Номер записи: 89
15-02-2018 дата публикации

SYSTEMS AND METHODS FOR INCREASING REACTION YIELD

Номер: US20180043327A1
Автор: Cooks Robert Graham, Logsdon David, Wleklinski Michael Stanley
Принадлежит: PURDUE RESEARCH FOUNDATION

The invention generally relates to systems and methods for increasing reaction yield. In certain embodiments, the invention provides systems for increasing a yield of a chemical reaction that include a pneumatic sprayer configured to generate a liquid spray discharge from a solvent. The solvent includes a plurality of molecules, a portion of which react with each other within the liquid spray discharge to form a reaction product. The system also includes a collector positioned to receive the liquid spray discharge including the unreacted molecules and the reaction product. The system also includes a recirculation loop connected from the collector to the pneumatic sprayer in order to allow the unreacted molecules and the reaction product to be recycled through the pneumatic sprayer, thereby allowing a plurality of the unreacted molecules to react with each other as the unreacted molecules cycle again through the system. 1. A system for increasing a yield of a chemical reaction , the system comprising:a pneumatic sprayer configured to generate a liquid spray discharge from a solvent that comprises a plurality of molecules, a portion of which react with each other within the liquid spray discharge to form a reaction product;a collector positioned to receive the liquid spray discharge comprising unreacted molecules and the reaction product; anda recirculation loop connected from the collector to the pneumatic sprayer in order to allow the unreacted molecules and the reaction product to be recycled through the pneumatic sprayer, thereby allowing a plurality of the unreacted molecules to react with each other as the unreacted molecules cycle again through the system.2. The system according to claim 1 , further comprising a voltage source operably associated with the pneumatic sprayer in order to generate a charged liquid spray discharge.3. The system according to claim 2 , wherein the collector comprises an electrostatic precipitator.4. The system according to claim 3 , ...

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Номер записи: 90
15-02-2018 дата публикации

Plant and method for drying and solid state polycondensing of polymeric material

Номер: US20180043579A1
Автор: Antonio Polato
Принадлежит: OFFICINE DI CARTIGLIANO SPA

A plant for drying and solid state polycondensing a granular moisture-containing polymeric material includes a conduit feeding material to be treated longitudinally, a treatment zone located along the conduit, a blower of an inert gas into the conduit, and a radiating device emitting an alternating electromagnetic field in the radio-frequency band to dry and upgrade the material. The radiating device includes applicators, located at the treatment zone and external to the conduit in longitudinally offset positions, which are connected to the terminals of an electromagnetic wave generator and include pairs of opposed radiating elements that generate an alternating electromagnetic field in the conduit, with field lines at least partially parallel to the direction of feed of the material, and that define magnetic dipoles with opposite polarities along the conduit. A method of drying and solid state polycondensing a polymeric material in granular form obtained by polycondensation using the plant.

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Номер записи: 91
01-05-2014 дата публикации

Pressure Management for Slurry Polymerization

Номер: US20140121334A1
Автор: Hottovy John D., KREISCHER Bruce E., Kufeld Scott E.
Принадлежит: CHEVRON PHILLIPS CHEMICAL COMPANY LP

Processes and systems for the production for pressure management of a polymerization product flowing from a loop polymerization reactor to a separation vessel in a slurry polymerization system are disclosed herein. For example, a process comprises withdrawing the polymerization product from a loop polymerization reactor, and conveying the withdrawn polymerization product to a separation vessel via a first pressure differential and a second pressure differential. The withdrawn polymerization product may flow through the first pressure differential before flowing through the second pressure differential, and the first pressure differential may be less than the second pressure differential. 1. A process for pressure management of a polymerization product in slurry polymerization , the process comprising:withdrawing the polymerization product from a loop polymerization reactor; andconveying the withdrawn polymerization product to a separation vessel via a first pressure differential and a second pressure differential, wherein the withdrawn polymerization product flows through the first pressure differential before flowing through the second pressure differential, wherein the first pressure differential is less than the second pressure differential.2. The process of claim 1 , wherein the first pressure differential has a drop in pressure between about 5% to about 50% of a total pressure differential between the loop polymerization reactor and the separation vessel claim 1 , wherein the second pressure differential has a drop in pressure between about 50% to about 95% of the total pressure differential between the loop polymerization reactor and the separation vessel.3. The process of claim 2 , wherein the drop in pressure of the first pressure differential is greater than 40% and less than 50% of the total pressure differential claim 2 , wherein the drop in pressure of the second pressure differential is greater than 50% and less than 60% of the total pressure ...

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Номер записи: 92
19-02-2015 дата публикации

Apparatus and method for manufacturing particles

Номер: US20150047467A1
Автор: Eirik Ruud
Принадлежит: Reactive Metal Particles AS

An apparatus and method for manufacturing solid particles based on inert gas evaporation. The method includes forming a continuous gaseous feed flow, and injecting the continuous gaseous feed flow through an inlet into a free-space region of a reactor chamber in the form of a feed jet flow, and forming at least one continuous jet flow of a cooling fluid and injecting the at least one jet flow of cooling fluid into the reaction chamber. The feed jet flow is made by passing the feed flow at a pressure above the reactor chamber pressure in the range from 0.01·10 5 to 20·10 5 Pa through an injection nozzle. The jet flow of cooling fluid is made by passing the cooling fluid through an injection nozzle which directs the jet flow of cooling fluid such that it intersects the feed jet flow with an intersection angle between 30 and 150°.

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Номер записи: 93
03-03-2022 дата публикации

DEVICE AND METHOD FOR THE CONTINUOUS HIGH-PRESSURE TREATMENT OF BULK MATERIAL AND USE THEREOF

Номер: US20220062788A1
Автор: HERBER Ansgar, STEINHAGEN Volkmar
Принадлежит:

An apparatus and method of high pressure treatment of bulk material by extraction and/or impregnation may involve treating bulk material in an internal volume of a pressure vessel apparatus at a high pressure level in a range from 40 to 1000 bar under isolation from the environment. The high pressure treatment may be performed charge-wise in a closed system in the pressure vessel apparatus in that the bulk material is supplied charge-wise to the internal volume with the pressure vessel apparatus closed and is positioned in at least one treatment plane. Upon completion of the high pressure treatment, the bulk material is discharged charge-wise from the internal volume with the pressure vessel apparatus closed. This also gives advantages in terms of handling, especially also with regard to material flow, and with regard to operational reliability.

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Номер записи: 94
03-03-2022 дата публикации

FLUID PROCESSING APPARATUS

Номер: US20220062852A1
Автор: Enomura Masakazu
Принадлежит: M. TECHNIQUE CO., LTD.

A fluid treatment device with a new configuration is provided. The fluid treatment device is provided with an upstream treatment unit defined by treatment surfaces that rotate relative to each other, and a downstream treatment unit arranged downstream of the upstream treatment unit. The upstream treatment unit is configured such that, by passing the fluid to be treated into an upstream treatment space defined by the treatment surfaces, the fluid to be treated is subjected to upstream treatment. The downstream treatment unit is provided with a downstream treatment space which performs the function of retaining and mixing the fluid to be treated by means of a labyrinth seal. An upstream outlet of the fluid to be treated from the upstream treatment unit opens into the downstream treatment space, and the downstream treatment space is configured to use the labyrinth seal to perform the function of controlling retention time. The downstream treatment space is provided with narrow seal spaces, and retention spaces arranged upstream of the seal spaces and wider than the seal spaces, and the upstream outlet opens to a retention space.

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Номер записи: 95
08-05-2014 дата публикации

Methods and apparatuses for detection of properties of fluid conveyance systems

Номер: US20140125052A1
Автор: Roy Edward McAlister
Принадлежит: McAlister Technologies LLC

A system and method for monitoring and/or detecting the flow of one or more fluids in a fluid system including leak detection system integral to the fluid system (e.g., at any point along a conduit, at a connection between conduits such as at a fitting assembly, etc.) configured to detect incipient, early stage levels of the leak. Based on one or more factors related to the fluid and/or the leak, the methods, devices, and systems disclosed herein can provide an indication of a suitable action or process in response to the fluid or the leak including performing preventative maintenance or providing an indication of the need of maintenance in response to the leak.

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Номер записи: 96
22-02-2018 дата публикации

POLYMERIZATION REACTOR

Номер: US20180050318A1
Автор: Im Ye Hoon, Shin Hyun Jin, Song Young Soo
Принадлежит: LG CHEM, LTD.

The present invention relates to a polymerization reactor. The polymerization reactor according to one aspect of the present invention comprises: a housing including a supply part for supplying a reactant; a tube which is provided inside the housing and extends along the height direction of the housing; a first impeller including a blade which spirally surrounds the tube along the height direction of the housing; a second impeller which is provided inside the housing in order to enable the reactant to flow into the tube; and a partition wall which is provided to surround the second impeller along the circumferential direction. 1. A polymerization reactor comprisinga housing including a supply part for supplying a reactant;a tube which is provided inside the housing and extends along the height direction of the housing;a first impeller including a blade which spirally surrounds the tube along the height direction of the housing;a second impeller which is provided inside the housing in order to enable the reactant to flow into the tube; anda partition wall which is provided to surround the second impeller along the circumferential direction.2. The polymerization reactor according to claim 1 , whereinthe second impeller is provided in a lower region of the housing, andthe supply part is provided in the lower region of the housing such that the reactant is fed into the partition wall.3. The polymerization reactor according to claim 2 , whereinthe farther the partition wall is from the tube, it is provided to have the higher diameter.4. The polymerization reactor according to claim 3 , whereinthe partition wall is provided such that an edge having a maximum diameter is spaced from an inner peripheral surface of the housing.5. The polymerization reactor according to claim 3 , whereinthe partition wall is provided such that its minimum diameter is equal to the diameter of the tube.6. The polymerization reactor according to claim 3 , whereinthe partition wall is provided ...

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Номер записи: 97
08-05-2014 дата публикации

Reactor and Alkylation Process Using the Reactor

Номер: US20140128654A1
Автор: Chen Jianbing, Chen Xin, FANG Xiangchen, Li Xin, LIU Zhiyu, PENG Deqiang, QI Huimin, WANG Luyao, Wang Yan, ZHANG Shengzhong
Принадлежит:

The present disclosure provides a reactor for at least two liquid materials, comprising an enclosed reactor housing; a feeding tube having liquid material inlets for receiving corresponding liquid materials respectively; a distribution tube communicating with the feeding tube and extending into the reactor housing, the distribution tube being provided with a plurality of distribution holes in the region thereof extending into the reactor housing; a rotating bed in form of a hollow cylinder, which is disposed in the reactor housing via a fixing mechanism, thus dividing inner cavity of the reactor housing into a central area and an outer area, the rotating bed being capable of rotating driven by a driving mechanism; and a material outlet provided in a lower portion of the reactor housing for outputting product after reaction. The distribution tube extends into the central area spaced from inner surface of the rotating bed, so that materials can enter into the outer area from the central area through the rotating bed and can be output via the material outlet. 1. A reactor for at least two liquid materials , comprising ,an enclosed reactor housing;a feeding tube having liquid material inlets for receiving corresponding liquid materials respectively;a distribution tube communicating with the feeding tube and extending into the reactor housing, the distribution tube being provided with a plurality of distribution holes in the region thereof extending into the reactor housing;a rotating bed in form of a hollow cylinder, which is disposed in the reactor housing via a fixing mechanism, thus dividing inner cavity of the reactor housing into a central area and an outer area, the rotating bed being capable of rotating driven by a driving mechanism; anda material outlet provided in a lower portion of the reactor housing for outputting product after reaction,wherein the distribution tube extends into the central area spaced from inner surface of the rotating bed, so that ...

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Номер записи: 98
10-03-2022 дата публикации

DEVICE AND METHOD FOR THE CONTINUOUS HIGH-PRESSURE TREATMENT OF BULK MATERIAL AND USE THEREOF

Номер: US20220072447A1
Автор: HERBER Ansgar, STEINHAGEN Volkmar
Принадлежит:

An apparatus and method for high pressure treatment of bulk material by extraction and/or impregnation may involve high pressure treating bulk material in a high pressure treatment volume of a pressure vessel apparatus at a high pressure level, especially high pressure in the range from 40 to 1000 bar. The method comprises at least the three following step sequences that are each controllable individually: pressurization, high pressure treatment, and depressurization. The high pressure treatment is performed in a continuous manner in the high pressure treatment volume. The high pressure treatment volume or the entire pressure vessel apparatus is in a fixed arrangement during the high pressure treatment. The continuity of the high pressure treatment is ensured solely by means of the high pressure treatment volume. This especially enables engineering optimization of high pressure treatment processes, for example extraction. 116-. (canceled)17. A method for high pressure treatment of bulk material by extraction , wherein the bulk material is disposed in a high pressure treatment volume , which has cavities , of a pressure vessel apparatus and is treated at a high pressure level in a range from 40 to 1000 bar , wherein the method comprises:pressurizing the high pressure treatment volume;high pressure treating the bulk material in a continuous manner in the high pressure treatment volume, with continuity of the high pressure treating being ensured solely by way of the high pressure treatment volume, wherein the high pressure treatment volume or the pressure vessel apparatus is in a fixed arrangement during the high pressure treating, wherein the high pressure treating comprises continuously displacing the bulk material by translation of a translational actuator within the high pressure treatment volume; anddepressurizing the high pressure treatment volume.18. The method of wherein the translational actuator is a piston inserted into an end face of the high pressure ...

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Номер записи: 99
10-03-2022 дата публикации

INJECTION DEVICE FOR DISCHARGING A GAS, PROCESS GAS SYSTEM FOR SUPPLYING A PROCESS GAS, AND DEVICE AND METHOD FOR THE THERMAL OR THERMO-CHEMICAL TREATMENT OF MATERIAL

Номер: US20220072496A1
Автор: Esfehanian Arian, Hipp Daniel
Принадлежит:

Injection device () for discharging a gas (), in particular a process gas (), onto a material (), in particular onto a battery cathode material () that is to be calcined, having at least one inlet () through which the gas () can be supplied to the injection device (), and at least one outlet () through which the gas () can be discharged from the injection device (), the inlet and outlet being connected to one another by a flow path () for the gas (). According to the invention, the flow path () has a heat exchanger () with a heat exchanger housing () which is accessible from the outside for an ambient atmosphere () and in which a duct arrangement () is integrated. The duct arrangement () comprises a first flow duct () and a second flow duct () between which there is formed a redirection region () such that the gas () can flow through the first and second flow duct () in different main flow directions. The invention further relates to a process gas system () for supplying a gas () and to a device () and a method for the thermal or thermo-chemical treatment of material. 1. An injection device for supplying a gas to a material to be calcined , the injection device comprising ,a) at least one inlet through which the gas can be fed to the injection device and at least one outlet through which the gas can be supplied from the injection device, which are connected to one another by a flow path for the gas;whereinb) the flow path has a heat exchanger having a heat exchanger housing which is accessible to an ambient atmosphere from the outside and in which a channel arrangement is accommodated; andc) the channel arrangement comprises a first flow channel and a second flow channel between which a diversion region is formed in such a way that the gas can flow with different main flow directions through the first and second flow channels.2. The injection device of claim 1 , wherein the channel arrangement has a third flow channel claim 1 , with a second diversion region being ...

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Номер записи: 100