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Космические корабли и станции, автоматические КА и методы их проектирования, бортовые комплексы управления, системы и средства жизнеобеспечения, особенности технологии производства ракетно-космических систем

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20-03-2010 дата публикации

УСТАНОВКА ДЛЯ ДЕСОРБЦИИ СЕРОВОДОРОДА ИЗ ВЫСОКОКИПЯЩИХ НЕФТЕПРОДУКТОВ

Номер: RU0000092421U1
Автор: Киевский Вячеслав Яковлевич, Морозов Владимир Александрович, Розенберг Леонид Семенович, Скоромец Анатолий Анатольевич, Степанников Сергей Васильевич, Суюндуков Ратмир Артурович, Ямпольская Майя Хаймовна
Принадлежит: Киевский Вячеслав Яковлевич, Морозов Владимир Александрович, Розенберг Леонид Семенович, Скоромец Анатолий Анатольевич, Степанников Сергей Васильевич, Суюндуков Ратмир Артурович, Ямпольская Майя Хаймовна

1. Установка для десорбции сероводорода из высококипящих нефтепродуктов, включающая трубопровод подачи сырья в блок десорбции сероводорода, отличающаяся тем, что трубопровод подачи сырья подключен к блоку десорбции сероводорода через теплообменник и фильтр для улавливания частиц кокса, при этом блок десорбции сероводорода выполнен в виде отпарной колонны, верхняя часть которой подключена к трубопроводу подачи сырья, а ее верх подключен через холодильник к сепаратору, снабженному линиями отвода газа и конденсата в виде воды и газойля, причем низ отпарной колонны подключен к линии отвода обработанного мазута, а нижняя часть этой колонны подключена к линии подачи десорбирующего агента. 2. Установка по п.1, отличающаяся тем, что линия отвода обработанного мазута снабжена теплообменником и холодильником. 3. Установка по п.1, отличающаяся тем, что линия подачи десорбирующего агента выполнена в виде паропровода для перегретого пара. 4. Установка по п.1 или 2, отличающаяся тем, что холодильник выполнен в виде вентилятора с направляющим устройством. 5. Установка по п.1, отличающаяся тем, что линия отвода газа из сепаратора подключена к заводской системе сбора и утилизации нефтяных газов и/или к факельной системе. 6. Установка по п.1, отличающаяся тем, что отпарная колонна оснащена мелкожалюзийными или подобными тарелками. 7. Установка по п.1, отличающаяся тем, что фильтр для улавливания коксовых частиц выполнен самоочищающимся и снабжен узлом для удаления уловленных коксовых частиц. РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) 92 421 (13) U1 (51) МПК C10G 29/00 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ, ПАТЕНТАМ И ТОВАРНЫМ ЗНАКАМ (12) ОПИСАНИЕ ПОЛЕЗНОЙ МОДЕЛИ К ПАТЕНТУ (21), (22) Заявка: 2009147322/22, 21.12.2009 (24) Дата начала отсчета срока действия патента: 21.12.2009 (45) Опубликовано: 20.03.2010 U 1 9 2 4 2 1 R U Формула полезной модели 1. Установка для десорбции сероводорода из высококипящих нефтепродуктов, включающая трубопровод подачи сырья в блок ...

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Номер записи: 1
10-12-2010 дата публикации

ЛАБОРАТОРНАЯ УСТАНОВКА ДЛЯ ОПРЕДЕЛЕНИЯ ЭФФЕКТИВНОСТИ ПОГЛОТИТЕЛЯ СЕРОВОДОРОДА В МАЗУТЕ И ЕГО КОМПОНЕНТАХ

Номер: RU0000100075U1
Автор: Борисанов Дмитрий Владимирович, Князькова Марина Альбертовна, Кузьмичев Дмитрий Олегович, Никитин Александр Анатольевич, Румянцев Сергей Валерьевич
Принадлежит: Открытое акционерное общество "Славнефть-Ярославнефтеоргсинтез" (ОАО "Славнефть-ЯНОС")

Лабораторная установка для определения эффективности поглотителей сероводорода в мазуте и его компонентах, включающая сырьевую емкость - цилиндрический аппарат, снабженный рубашкой и термостатом при соотношении диаметра аппарата к его высоте 1:4-8, насос на выходе из сырьевой емкости, змеевик, обогреваемый в водяном термостате при соотношении диаметра змеевика к его длине 1:400-1000, соединенный с верхним вводом в сырьевую емкость, образующие герметично замкнутый контур, а также устройство дозирования поглотителя сероводорода с контроллером, устройство отбора проб и блок питания насоса, устройства дозирования поглотителя сероводорода и контроллера. РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) 100 075 (13) U1 (51) МПК C10G 29/00 B01D 19/04 (2006.01) (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ, ПАТЕНТАМ И ТОВАРНЫМ ЗНАКАМ (12) ОПИСАНИЕ ПОЛЕЗНОЙ МОДЕЛИ К ПАТЕНТУ (21), (22) Заявка: 2010130205/04, 19.07.2010 (24) Дата начала отсчета срока действия патента: 19.07.2010 (45) Опубликовано: 10.12.2010 (73) Патентообладатель(и): Открытое акционерное общество "Славнефть-Ярославнефтеоргсинтез" (ОАО "Славнефть-ЯНОС") (RU) U 1 1 0 0 0 7 5 R U Ñòðàíèöà: 1 ru CL U 1 Формула полезной модели Лабораторная установка для определения эффективности поглотителей сероводорода в мазуте и его компонентах, включающая сырьевую емкость цилиндрический аппарат, снабженный рубашкой и термостатом при соотношении диаметра аппарата к его высоте 1:4-8, насос на выходе из сырьевой емкости, змеевик, обогреваемый в водяном термостате при соотношении диаметра змеевика к его длине 1:400-1000, соединенный с верхним вводом в сырьевую емкость, образующие герметично замкнутый контур, а также устройство дозирования поглотителя сероводорода с контроллером, устройство отбора проб и блок питания насоса, устройства дозирования поглотителя сероводорода и контроллера. 1 0 0 0 7 5 (54) ЛАБОРАТОРНАЯ УСТАНОВКА ДЛЯ ОПРЕДЕЛЕНИЯ ЭФФЕКТИВНОСТИ ПОГЛОТИТЕЛЯ СЕРОВОДОРОДА В МАЗУТЕ И ЕГО КОМПОНЕНТАХ R U Адрес для переписки: ...

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Номер записи: 2
08-03-2012 дата публикации

Method of scavenging hydrogen sulfide from hydrocarbon stream

Номер: US20120055848A1
Автор: Mahesh Subramaniyam
Принадлежит: Dorf Ketal Chemicals India Pvt Ltd

The invention is related to hydrogen sulfide scavenging additive, capable of scavenging hydrogen sulfide in hydrocarbons by forming water soluble scavenged products which are capable of getting separated from hydrocarbon even at acidic pH without causing fouling and decomposition problems, consisting of aldehyde or aldehyde and polyethylene glycol [PEG], and wherein said aldehyde is glyoxylic acid. The invention is also related to a method of scavenging hydrogen sulfide employing present scavenging additive.

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Номер записи: 3
15-03-2012 дата публикации

Oligomerization of propylene and longer chain alpha olefins to produce base oil products

Номер: US20120065448A1
Автор: Saleh Elomari, Stephen Joseph Miller
Принадлежит: Chevron USA Inc

We provide a process for making a base oil, comprising: mixing one or more longer chain alpha olefins comprising C6+ olefins with an olefin feed comprising propylene to make a mixed olefin feed; and oligomerizing the mixed olefin feed using an acidic chloroaluminate ionic liquid catalyst to form an oligomer; wherein the oligomer is a base oil that has: i. a kinematic viscosity at 100° C. greater than 10 mm 2 /s; ii. a viscosity index from 50 to 90; iii. a pour point less than −19° C.; and iv. a cloud point less than −50° C.

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Номер записи: 4
03-05-2012 дата публикации

Centralized Sump Oil and Acid Oil treatment process and System

Номер: US20120103914A1
Автор: Gang Yuan
Принадлежит: Individual

This invention reveals to the public the centralized sump oil and acid oil treatment process and system. The process consist of (1) the filter; (2) entry to reaction kettle, the sodium carbonate solution added at the time of air floatation till PH value keeps about 6.0-8.0; and emulsion splitter and flocculating agent added for further reaction; (3) suspension of air floatation and static settlement; (4) the international crude oil is collected after the detergent oil at the upper level of the reaction kettle is dehydrated under normal and reduced pressure; the wastewater is drained after filtering by the natural oil removal tank and the oil-water filter; the sludge is solidified by the cement and the quick lime and aluminium oxide are used as the coagulant aid for solidifying the sludge. The centralized treatment process of sump oil and acid oil not only greatly lowers the pollution of surroundings of the oilfield and corrosion of equipment, but also changes waste into valuable, reuses a great amount of crude oil and improves the economic benefits of the oilfield. The sludge solidified can be directly used for buildings.

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Номер записи: 5
24-05-2012 дата публикации

Process, method, and system for removing heavy metals from fluids

Номер: US20120125818A1
Автор: Darrell Lynn Gallup, Dennis John O'rear, Lyman Young, Sujin Yean
Принадлежит: Chevron USA Inc

Trace element levels of heavy metals in crude oil are reduced by contacting the crude oil with an oxidizing agent, converting heavy metals into heavy metal cations for subsequent separation from the crude oil. At least a complexing agent is added to convert the heavy metal cations into soluble heavy metal complexes in a water phase, which can be separated from the crude oil, for a treated crude oil having reduced levels of heavy metals. In one embodiment, the complexing agent is selected from the group of metal halides, and the oxidizing agent is selected from the group of organic peracids, inorganic peracids and salts thereof.

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Номер записи: 6
26-07-2012 дата публикации

Method of Removing Multi-Valent Metals From Crude Oil

Номер: US20120187049A1
Автор: Douglas J. Longtin, George G. Duggan, Joseph L. Stark, Lauren Wagner, Lawrence N. Kremer, Marc N. Lehmann, Simon C. Cornelius, TRAN Nguyen, Xiomara M. Price
Принадлежит: Baker Hughes Inc

Multi-valent metals, such as iron, may be removed from crude oil by introducing at least one metal removal chemical to the crude oil before, during or after the crude oil is charged to a settling tank. After mixing the metal removal chemical with the crude oil, the crude oil is kept still or held quiescent for an effective period of time to allow the metal species to settle to the bottom of the tank. Oil having reduced metal content may be removed from the top of the tank and/or metal-rich oil may be drained from the bottom of the tank or both. The crude oil having reduced metal content will cause fewer problems downstream in the refinery.

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Номер записи: 7
26-07-2012 дата публикации

Molecular Sieve Of MFS Framework Type With Controllable Average Size, Its Method of Making And Use

Номер: US20120190896A1
Автор: Machteld Maria Wilfried Mertens
Принадлежит: ExxonMobil Chemical Patents Inc

A method of making a crystalline molecular sieve of MFS framework type, preferably ZSM-57, from a synthesis mixture comprising at least one source of tetravalent element (Y), at least one source of trivalent element (X), at least one source of alkali metal hydroxide (MOH), at least one structure-directing-agent (R) and water, said alkali metal (M) comprising potassium, and having the following mole composition (expressed in terms of oxide): YO 2 :( p )X 2 O 3 :( q )OH − :( r )R:( s )H 2 O, wherein (p) is in the range from 0.005 to 0.05, (q) is in the range from 0.01 to 3, (r) is in the range from 0.03 to 2 and (s) is in the range from 10 to 75 (based on total weight of said synthesis mixture); wherein the crystals of molecular sieve formed having an average diameter (D) of less than or equal to 1.5 micron and an average thickness (T) of less than or equal to 300 nanometers.

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Номер записи: 8
06-09-2012 дата публикации

Molecular Sieve Composition (EMM-10), Its Method of Making, and Use for Hydrocarbon Conversions

Номер: US20120226084A1
Автор: Douglas Lewis Dorset, Michael Charles Kerby, Mohan Kalyanaraman, Simon Christopher Weston, Thomas Yorke, Wieslaw J. Roth
Принадлежит: ExxonMobil Chemical Patents Inc

This invention relates to a process for hydrocarbon conversion comprising contacting a hydrocarbon feedstock with a crystalline molecular sieve, in its ammonium exchanged form or in its calcined form, under conversion conditions to form a conversion product, said crystalline molecular sieve comprising unit cells with MWW topology and is characterized by diffraction streaking from the unit cell arrangement in the c direction as evidenced by the arced hk0 patterns of electron diffraction pattern.

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Номер записи: 9
27-09-2012 дата публикации

Synergistic H2S/Mercaptan Scavengers Using Glyoxal

Номер: US20120241361A1
Автор: Kyle C. Cattanach, Michael P. Squicciarini, Sunder Ramachandran, Vladimir Jovancicevic
Принадлежит: Baker Hughes Inc

The use of neutral aqueous solutions of glyoxal (pH approximately 6 to 8.5) scavenges H 2 S that is present in natural gas and in oil better than glyoxal alone or base alone. The resulting scavenger combination significantly increases the reaction rate and the overall scavenging efficiency, i.e. capacity over glyoxal used alone. A buffer may be optionally used. In another embodiment, the combination of non-nitrogen-containing surfactants and glyoxal results in a significant increase in the reaction rate and the overall scavenging efficiency, i.e. capacity as compared to glyoxal used alone.

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Номер записи: 10
22-11-2012 дата публикации

Methods for monitoring ionic liquids using vibrational spectroscopy

Номер: US20120296145A1
Автор: Howard Steven Lacheen
Принадлежит: Chevron USA Inc

Methods for monitoring ionic liquids using vibrational spectroscopy may involve contacting an infrared (IR) transmissive medium with the ionic liquid, recording an IR spectrum of the ionic liquid, and quantifying at least one chemical characteristic of the ionic liquid based on the IR spectrum. The IR spectrum may be recorded ex situ or in situ. Methods for controlling ionic liquid catalyzed processes are also disclosed, wherein a condition of the ionic liquid may be determined during such processes based on IR spectral analysis of the ionic liquid.

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Номер записи: 11
27-12-2012 дата публикации

Hydrogen sulfide scavenger for use in hydrocarbons

Номер: US20120329930A1
Автор: John A. Schield, Joseph L. Stark, Ksenija Babic-Samardzija, Matthew T. BARNES, Robert A. Steele, Weldon J. Cappel
Принадлежит: Baker Hughes Inc

An effective hydrogen sulfide scavenger that produces little corrosion may be prepared by reacting glyoxal with a compound having at least two primary or secondary amine groups. The subject hydrogen sulfide scavengers may be used with both the production of crude oil and natural gas, and the refining of same.

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Номер записи: 12
03-01-2013 дата публикации

Catalytic dechlorination processes to upgrade feedstock containing chloride as fuels

Номер: US20130001133A1
Автор: Bi-Zeng Zhan, Hye-Kyung Timken, Michael Driver
Принадлежит: Chevron USA Inc

Processes for the catalytic dechlorination of one or more hydrocarbon products involve contacting a mixture comprising the hydrocarbon product(s) and a carrier gas with a dechlorination catalyst under catalytic dechlorination conditions to provide a dechlorinated hydrocarbon product, HCl, and the carrier gas. The dechlorinated hydrocarbon product may be separated from the HCl and the carrier gas to provide liquid fuel or lubricating base oil.

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Номер записи: 13
21-02-2013 дата публикации

Upgrading Platform Using Alkali Metals

Номер: US20130043160A1
Автор: John Howard Gordon
Принадлежит: Ceramatec Inc

A process for removing sulfur, nitrogen or metals from an oil feedstock (such as heavy oil, bitumen, shale oil, etc.) The method involves reacting the oil feedstock with an alkali metal and a radical capping substance. The alkali metal reacts with the metal, sulfur or nitrogen content to form one or more inorganic products and the radical capping substance reacts with the carbon and hydrogen content to form a hydrocarbon phase. The inorganic products may then be separated out from the hydrocarbon phase.

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Номер записи: 14
14-03-2013 дата публикации

Hydroisomerization and selective hydrogenation of feedstock in ionic liquid-catalyzed alkylation

Номер: US20130066121A1
Автор: Bi-Zeng Zhan, Howard Steven Lacheen, Hye-Kyung Cho Timken
Принадлежит: Chevron USA Inc

A process for producing alkylate comprising contacting a first hydrocarbon stream comprising at least one olefin having from 2 to 6 carbon atoms which contains 1,3-butadiene and 1-butene with a hydroisomerization catalyst in the presence of hydrogen under conditions favoring the simultaneous selective hydrogenation of 1,3-butadiene to butenes and the isomerization of 1-butene to 2-butene and contacting the resulting stream and a second hydrocarbon stream comprising at least one isoparaffin having from 3 to 6 carbon atoms with an acidic ionic liquid catalyst under alkylation conditions to produce an alkylate is disclosed.

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Номер записи: 15
28-03-2013 дата публикации

SELECTIVE LIQUID-LIQUID EXTRACTION OF OXIDATIVE DESULFURIZATION REACTION PRODUCTS

Номер: US20130075305A1
Автор: Al-Shafei Emad Naji, Hamad Esam Zaki
Принадлежит: Saudi Arabian Oil Company

The present invention provides selective extraction of sulfoxides, or sulfoxides in combination with sulfones, from hydrocarbon mixtures containing these compounds. A significant advantage of the invention is that oxidation products resulting from oxidative desulfurization of hydrocarbon feedstocks are selectively extracted with minimum co-extraction of non-oxidized products such as valuable hydrocarbon fuel components. 1. A process for extracting sulfoxidation reaction products from hydrocarbon fractions containing sulfoxidation reaction products while minimizing co-extraction of hydrocarbons including aromatic hydrocarbons , comprising:contacting a hydrocarbon fraction containing sulfoxidation reaction products with a selective solvent formulation comprising an aqueous solution having a concentration of about 2.5 weight % to about 70 weight % of a polar organic solvent, the polar organic solvent selected from the group consisting of acetone, methanol, acetonitrile, acetic acid, formic acid and combinations comprising at least two of the foregoing polar organic solvents,wherein the concentration of the aqueous solution is selected to maximize extraction of a target sulfoxidation reaction product and minimize co-extraction of unoxidized organosulfur compounds and hydrocarbons including aromatic hydrocarbons.2. The process as in claim 1 , wherein the concentration of the aqueous solution is about 30 weight % to about 70 weight % of polar organic solvent claim 1 , and the target sulfoxidation reaction product includesa. one or more sulfoxidation products derived from aromatic organosulfur compounds including thiophene, benzothiophene, napthothiophene, dibenzothiophene, naptho-benzo-thiophene, or alkyl and dialkyl derivatives of one or more of thiophene, benzothiophene, napthothiophene, dibenzothiophene, or naptho-benzo-thiophene; orb. a combination of sulfoxides and sulfones.3. The process as in claim 1 , wherein the concentration of the aqueous solution is about 2.5 ...

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Номер записи: 16
23-05-2013 дата публикации

Methods and compounds for improving sulfide scavenging activity

Номер: US20130131387A1
Автор: Gregory Kaplan, Ping Lue
Принадлежит: General Electric Co

Methods for reducing sulfides from fluid streams are provided. The methods comprise adding secondary amine-formaldehyde adduct (SAFA) scavengers to fluid streams. The SAFA scavengers added comprise less than about 40 wt % N-methyl secondary amines of the total weight of SAFA scavengers. Methods for distilling N-methyl secondary amines from secondary amine-formaldehyde adduct (SAFA) scavengers are also provided. Purified SAFA scavengers are also disclosed.

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Номер записи: 17
20-06-2013 дата публикации

METHOD OF PREVENTING CORROSION OF OIL PIPELINES, STORAGE STRUCTURES AND PIPING

Номер: US20130153469A1
Автор: Gordon John Howard
Принадлежит: Ceramatec, Inc.

Corrosion of ferrous material such as steel or stainless steel is a problem in oil pipelines, oil storage tanks, and the piping and process equipment at oil refineries, and this corrosion may be reduced by reducing the TAN value of the oil feedstock that is used/transported within the ferrous material. This TAN value may be reduced by reacting the oil feedstock with an alkali metal, thereby forming a de-acidified alkali metal. The de-acidified alkali metal has a TAN value of less than or equal to 1 mgKOH/g. 1. A method of reducing corrosion of ferrous materials used to process or transport oil feedstocks , the method comprising:obtaining a quantity of an oil feedstock, wherein the oil feedstock comprising napthenic acids such that the TAN value of the oil feedstock is greater than or equal to 1 mgKOH/g; andreacting the quantity of the oil feedstock with an alkali metal to form a de-acidified oil feedstock, wherein the de-acidified oil feedstock has a TAN value that is less than 1 mgKOH/g,wherein the de-acidified oil feedstock decreases the likelihood that the ferrous materials used to process or transport the oil feedstock will corrode.2. The method as in claim 1 , wherein the alkali metal comprises lithium claim 1 , sodium claim 1 , potassium and/or alloys thereof.3. The method as in claim 1 , wherein the TAN value of the de-acidified oil feedstock is at or near 0 mgKOH/g.4. The method as in claim 1 , wherein the de-acidified oil feedstock comprises a quantity of the alkali metal in its metallic state.5. The method of claim 1 , wherein the alkali metal further reacts with heteroatoms/heavy metals found within the oil feedstock such that a heteroatom to carbon ratio of the de-acidified oil feedstock is less than a heteroatom to carbon ratio of the first oil feedstock.6. The method of claim 5 , wherein the reaction with the alkali metal occurs in the presence of a non-oxidizing gas.7. A method of reducing corrosion of ferrous materials used to process or transport ...

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Номер записи: 18
11-07-2013 дата публикации

Nanoparticle Kinetic Gas Hydrate Inhibitors

Номер: US20130175046A1
Автор: Alexandra Clare Morrison
Принадлежит: Halliburton Energy Services Inc

Inhibiting gas hydrate formation while transporting hydrocarbon fluids may include providing a kinetic gas hydrate inhibitor, adding the kinetic gas hydrate inhibitor to a fluid capable of producing gas hydrates, and transporting the fluid that comprises the kinetic gas hydrate inhibitor. Generally a kinetic gas hydrate inhibitor may include a heterocyclic compound comprising nitrogen, e.g., poly(vinyl pyrrolidone).

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Номер записи: 19
18-07-2013 дата публикации

Hydrocarbon feedstock average molecular weight increase

Номер: US20130180884A1
Автор: Cyril Revault, Delphine Minoux
Принадлежит: Total Raffinage Marketing SA

The invention deals with hydrocarbon feedstock molecular weight increase via olefin oligomerization and/or olefin alkylation onto aromatic rings. Addition of a purification section allows improved unit working time and lower maintenance.

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Номер записи: 20
18-07-2013 дата публикации

PROCESS AND AGENTS TO REMOVE METALS FROM HIGH-BOILING HYDROCARBON FRACTIONS

Номер: US20130180887A1
Автор: Bauer Ingo, Bonsch Rudolf, Raab-Brill Ute
Принадлежит: L'Air Liquide Societe Anonyme Pour L'Etude Et L'Exploitation Des Procedes Georges Claude

The object of the invention is a process and agents to remove metal contaminants from hydrocarbon fractions like those obtained as a product from the Fischer-Tropsch synthesis involving the use of suspended catalyst. As per the present invention, the feed hydrocarbon fraction is treated with a demetallizing agent, comprising at least one sulfur source and at least one basic compound, under anhydrous conditions. The metals to be removed are obtained in the form of precipitate that can be easily separated by means of a mechanical separation process such as filtration, for example. 110-. (canceled)11. A process for the production of a hydrocarbon fraction with low metal content , wherein metals contained in the hydrocarbon fraction are chemically bonded or dispersed in the hydrocarbon fraction in a colloidal or finely-dispersed form , wherein a demetallizing agent is added to the liquid hydrocarbon fraction comprising:(a) at least one sulfur source that is at least partially soluble in the hydrocarbon fraction,(b) at least one basic compound that is at least partially soluble in the hydrocarbon fraction,wherein after addition of the demetallizing agent, the metals are precipitated in the form of a precipitate and separated by means of a mechanical separation process.12. A demetallizing agent for hydrocarbon fractions claim 11 , in particular for use in a process according to claim 11 , comprising(a) at least one sulfur source that is at least partially soluble in hydrocarbon fractions,(b) at least one basic compound that is at least partially soluble in hydrocarbon fractions.13. The demetallizing agent according to claim 12 , wherein at least one of the compounds below is selected as a sulfur source: thiourea claim 12 , thiocarbonates claim 12 , dithiocarbonates claim 12 , thiocarbamates claim 12 , dithiocarbamates claim 12 , mercaptanes claim 12 , organic disulfides claim 12 , organic polysulfides claim 12 , thioacid amides; hydrogen sulfide claim 12 , ammonium ...

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Номер записи: 21
01-08-2013 дата публикации

Method of removing metals from hydrocarbon feedstock using esters of carboxylic acids

Номер: US20130193374A1
Автор: Mahesh Subramaniyam
Принадлежит: Dorf Ketal Chemicals India Pvt Ltd

Method of removing metals from hydrocarbon feedstock using esters of carboxylic acids, and additives for the same, are provided, wherein hydrocarbon stream including crude oil containing metals and salts thereof, wherein metal is calcium and its salt is calcium naphthenate, is mixed with an effective metal-removing-amount of an aqueous extraction-solution of non-precipitating and non-fouling additive comprising a chemical compound selected from a group consisting of methyl or ethyl or propyl or isopropyl mono- and/or di-esters of any one of the carboxylic acids selected from the groups consisting of maleic acid, maleic anhydride, and fumaric acid, or an appropriate combination of said esters, or an appropriate combination of any of said esters with any of said carboxylic acids to form a hydrocarbonous phase and an aqueous phase containing the metal ions; and separating aqueous phase.

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Номер записи: 22
15-08-2013 дата публикации

REMOVAL OF HETEROAROMATIC SULFIDES FROM HYDROCARBONS USING POLYOXOMETALATES CATALYSTS

Номер: US20130206646A1
Автор: Khenkin Alexander, Neumann Ronny
Принадлежит: Yeda Research and Development Co., Ltd.

The present invention relates to methods of removing heteroaromatic sulfides from hydrocarbons (e.g. petroleum products such as gasoline and fuel oils), using polyoxometalate catalysts such as HPVMoOor solvates thereof. 141-. (canceled)42. A method for polymerizing a heteroaromatic sulfide comprising the step of contacting said sulfide with a polyoxometalate catalyst , or a solvate thereof.43. The method according to claim 42 , wherein the heteroaromatic sulfide is contained in a hydrocarbon mixture.44. A method for removing heteroaromatic sulfides from a hydrocarbon mixture comprising said sulfides claim 42 , the method comprising the steps of (a) polymerizing the heteroaromatic sulfide according to the method of ; and (b) separating the polymerized sulfides from the hydrocarbon mixture.45. The method according to claim 44 , wherein the polyoxornetalate catalyst is supported on a solid support and the polymerized sulfides are adsorbed or deposited onto the solid support to form a polymer-containing solid support.46. The method according to claim 45 , further comprising the step of separating the polymer-containing solid support from the hydrocarbon mixture.47. The method according to claim 44 , wherein the polyoxometalate catalyst is a polyoxoanion salt represented by the general formula [X claim 44 ,MO]or a solvate thereof claim 44 , whereinX is a metal or non-metal heteroatom, or a proton;M are addenda atoms selected from the group consisting of tungsten (W), molybdenum (Mo), niobium (Nb), vanadium (V), tantalum (Ta), bismuth (Bi), antimony (Sb), tin (Sn) and any combination thereof;O is oxygen;x is an integer between 0 and 6;m is an integer between 4 and 200;y is an integer between 5 and 1000; andq is an integer between 0 and 30;{'sub': 3', '12', '40', '3', '12', '40, 'with the proviso that the polyoxometalate catalyst is not HPMoOor HPWO.'}48. The method according to claim 47 , wherein the polyoxometalate catalyst is represented by the general formula Q[XMO] ...

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Номер записи: 23
22-08-2013 дата публикации

System and Method of Introducing an Additive with a Unique Catalyst to a Coking Process

Номер: US20130213859A1
Автор: Augusto Rodolfo Quinones, Roger G. Etter
Принадлежит: Individual

Gas oil components, coking process recycle, and heavier hydrocarbons are cracked or coked in the coking vessel by injecting an additive into the vapors of traditional coking processes in the coking vessel. The additive contains catalyst(s), seeding agent(s), excess reactant(s), quenching agent(s), carrier(s), or any combination thereof to modify reaction kinetics to preferentially crack or coke these components. Modifications of the catalysts in the additive improve performance for certain desired outcomes. One exemplary embodiment of the present invention uses the olefin production capabilities from newly developed catalysts to increase the production of light olefins (e.g. ethylene, propylenes, butylenes, pentenes) for alkylation process unit feed, the production of oxygenates, and petrochemical feedstocks, such as plastics manufacture. Another exemplary embodiment of the present invention is the use of the olefin production from newly developed catalysts to improve the coker naphtha quality. A third exemplary embodiment of the present invention uses the cracking characteristics of newly developed catalysts to optimize the production of light gas oils, naphtha, and gases from the coking process.

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Номер записи: 24
12-09-2013 дата публикации

Additive and Method for Removal of Calcium from Crude Oils Containing Calcium Naphthenate

Номер: US20130233770A1
Автор: Subramaniyam Mahesh
Принадлежит: DORF KETAL CHEMICALS (INDIA) PRIVATE LIMITED

There is provided an additive and method for removal of calcium from crude oil or its blends containing calcium naphthenate at low pH as well as at high pH. Particularly, there is also provided an additive and method for removal of calcium from crude oil or its blends containing calcium naphthenate under basic or alkaline conditions and at low pH as well as at high pH varying from about 5 to 11. 1. An additive for removing calcium from crude oil or its blends containing calcium naphthenate under basic or alkaline conditions and having a pH varying from about 5 to 11 , wherein the additive is glyoxylic acid.2. As additive as claimed in claim 1 , wherein the basic or alkaline conditions of crude oil or its blends or wash water are due to presence of one or more compounds selected from the group comprising ammonium hydroxide claim 1 , ammonia claim 1 , nitrogen compounds claim 1 , basic compounds and alkaline compounds.3. As additive as claimed in or claim 1 , wherein the pH varies from about 6 to about 11.4. As additive as claimed in any one of the preceding to claim 1 , wherein the pH varies from about 7 to about 11.5. As additive as claimed in any one of the preceding to claim 1 , wherein the pH varies from about 9 to about 11.6. As additive as claimed in any one of the preceding to claim 1 , wherein the pH is of wash water for desalter used in the crude oil processing system.7. A method for removing calcium from crude oil or its blends containing calcium naphthenate under basic or alkaline conditions and having a pH varying from about 5 to 11 claim 1 , wherein the additive added to crude oil or its blend or wash water for the desalter is glyoxylic acid.8. A method as claimed in claim 7 , wherein the basic or alkaline conditions of crude oil or its blends or wash water are due to presence of one or more compounds selected from the group comprising ammonium hydroxide claim 7 , ammonia claim 7 , nitrogen compounds claim 7 , basic compounds and alkaline compounds.9. A ...

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Номер записи: 25
19-09-2013 дата публикации

Additive Composition and Method for Scavenging Hydrogen Sulfide in Hydrocarbon Streams

Номер: US20130240409A1
Автор: Subramaniyam Mahesh
Принадлежит: DORF KETAL CHEMICALS (INDIA) PRIVATE LIMITED

The present invention relates to hydrogen sulfide scavenging additive composition comprising glyoxal and a polymer compound which is polymer made from propylene oxide, which is capable of scavenging or removing hydrogen sulfide in hydrocarbons or hydrocarbon streams without causing any problem. The present invention is also relates to a method of scavenging hydrogen sulfide employing present scavenging additive composition comprising glyoxal and a polymer compound which is polymer made from propylene oxide. The present invention is also relates to a method of using hydrogen sulfide scavenging additive composition comprising glyoxal and a polymer compound which is polymer made from propylene oxide. 1. Additive composition for scavenging hydrogen sulfide in hydrocarbons or hydrocarbon streams , wherein said additive composition consists of glyoxal and polymer compound which is polymer made from propylene oxide.2. The additive composition as claimed in claim 1 , wherein glyoxal and polymer compound are taken in an amount varying between 99 parts of glyoxal to 0.1 part of polymer compound and 0.1 part of glyoxal to 99 parts of polymer compound.3. The additive composition as claimed in claim 1 , wherein polymer compound varies up to about 25% by weight claim 1 , or up to about 10% by weight or up to about 5% by weight of the composition.4. The additive composition as claimed in claim 1 , wherein said polymer made from propylene oxide is polypropylene glycol.5. The additive composition as claimed in claim 4 , wherein said polymer made from propylene oxide is polypropylene glycol having about 200 to about 800 dalton molecular weight.6. The additive composition as claimed in claim 5 , wherein said polymer made from propylene oxide is polypropylene glycol having about 200 to about 600 claim 5 , or about 400 dalton molecular weight.7. The additive composition as claimed in any one of claim 1 , wherein the composition does not comprise a nitrogen containing compound.8. The ...

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Номер записи: 26
19-09-2013 дата публикации

Process unit for flexible production of alkylate gasoline and distillate

Номер: US20130243672A1
Автор: Howard Steven Lacheen, Hye Kyung Cho Timken, Shawn Shlomo Winter, Sven Ivar Hommeltoft
Принадлежит: Chevron USA Inc

A process unit, comprising: a) an alkylation reactor; and b) a control system that enables the alkylation reactor to be operated in an alkylate mode and in a distillate mode; wherein the alkylation reactor can switch back and forth from operating in the alkylate mode to the distillate mode.

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Номер записи: 27
07-11-2013 дата публикации

Process for the Production of Xylenes and Light Olefins

Номер: US20130296622A1
Автор: John D.Y. Ou, Larry L. Iaccino, S. Mark Davis, Xiaobo Zheng
Принадлежит: ExxonMobil Chemical Patents Inc

In a hydrocarbon upgrading process, a hydrocarbon feed is treated in at least one of a steam cracker, catalytic cracker, coker, hydrocracker, and reformer under suitable conditions to produce a first stream comprising olefinic and aromatic hydrocarbons. A second stream composed mainly of C 4 + olefinic and aromatic hydrocarbons is recovered from the first stream and is fed together with a methylating agent to a reaction zone containing a catalyst under reaction conditions including a temperature of about 450° C. to about 700° C., such that aromatics components in the second stream undergo dealkylation, transalkylation and/or methylation and aliphatic components undergo cracking and aromatization to produce a third stream having an increased xylene content compared with said second stream and a C 3 − olefin by-product. The C 3 − olefin by-product is recovered and para-xylene is removed from at least part of said third stream.

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Номер записи: 28
07-11-2013 дата публикации

Process for the Production of Xylenes and Light Olefins

Номер: US20130296623A1
Автор: Larry L. Iaccino, Stephen M. Davis, Steven E. Silverberg
Принадлежит: ExxonMobil Chemical Patents Inc

In a hydrocarbon upgrading process, a hydrocarbon feed is treated in at least one of a steam cracker, catalytic cracker, coker, hydrocracker, and reformer under suitable conditions to produce a first stream comprising olefinic and aromatic hydrocarbons. A second stream composed mainly of C 4 to C 12 + olefinic and aromatic hydrocarbons is recovered from the first stream and blended said second stream with a residual fraction from a steam cracker or an atmospheric or vacuum distillation unit to produce a third stream. The third stream is then catalytically pyrolyzed in a reactor under conditions effective to produce a fourth stream having an increased benzene and/or toluene content compared with said second stream and a C 3 -olefin by-product. The C 3 -olefin by-product is recovered and benzene and/or toluene are recovered from the fourth stream.

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Номер записи: 29
21-11-2013 дата публикации

PROCESS, METHOD, AND SYSTEM FOR REMOVING HEAVY METALS FROM FLUIDS

Номер: US20130306521A1
Автор: "ORear Dennis John", Cooper Russell Evan, Mogaddedi Hosna, Quintana Manuel Eduardo, Roby Stephen Harold, Rovner Jerry Max, Yean Sujin
Принадлежит:

Trace amount levels of heavy metals such as mercury in crude oil are reduced by contacting the crude oil with a sufficient amount of a reducing agent to convert at least a portion of the non-volatile mercury into a volatile form of mercury, which can be subsequently removed by any of stripping, scrubbing, adsorption, and combinations thereof. In one embodiment, at least 50% of the mercury is removed. In another embodiment, the removal rate is at least 99%. In one embodiment, the reducing agent is selected from sulfur compounds containing at least one sulfur atom having an oxidation state less than +6; ferrous compounds; stannous compounds; oxalates; cuprous compounds; organic acids which decompose to form COand/or Hupon heating; hydroxylamine compounds; hydrazine compounds; sodium borohydride; diisobutylaluminium hydride; thiourea; transition metal halides; and mixtures thereof. 1. A method for reducing a trace amount of mercury in a crude oil feed , comprising:providing a crude oil feed having a first concentration of non-volatile mercury,mixing an effective amount of a reducing agent with the crude oil feed to convert at least a portion of the non-volatile mercury into a volatile mercury;removing at least a portion of the volatile mercury by at least one of stripping, scrubbing, adsorption, and combinations thereof to obtain a crude oil having a reduced concentration of mercury;{'sub': '2', 'wherein the reducing agent is selected from sulfur compounds containing at least one sulfur atom having an oxidation state less than +6; ferrous compounds; stannous compounds; oxalates; cuprous compounds; organic acids which decompose to form COupon heating; hydroxylamine compounds; hydrazine compounds; sodium borohydride; diisobutylaluminium hydride; thiourea; transition metal halides; sulfites, bisulfites and metabisulfites; and mixtures thereof.'}2. The method of claim 1 , wherein the reducing agent is selected from oxalic acid claim 1 , cuprous chloride claim 1 , stannous ...

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Номер записи: 30
21-11-2013 дата публикации

METHOD FOR DEWAXING MINERAL OIL COMPOSITIONS

Номер: US20130306523A1
Автор: Koschabek Rene, Stoehr Torsten, Tschepat Wolfgang, Unglert Andre, Weber Markus
Принадлежит: Evonik Oil Additives GmbH

The present invention relates to a lubricant composition for a process for reducing the paraffin content of mineral oil compositions, by providing a mineral oil composition with a dewaxing aid, cooling to form a paraffin precipitate and at least partly removing the paraffin precipitate formed. The dewaxing aid used is a copolymer mixture comprising at least three copolymers, the copolymers differing in the composition of the repeat units. 1. A process for reducing a paraffin content of a mineral oil composition , the process comprising:adding a dewaxing aid to a mineral oil composition to obtain a mixture,cooling the mixture to form a paraffin precipitate, andat least partly removing the paraffin precipitate,wherein the dewaxing aid is a copolymer mixture comprising at least four copolymers, the copolymers differing in composition of repeat units.2. The process of claim 1 , wherein the copolymers of the copolymer mixture have at least 70% by weight of one or more repeat units derived from one or more alkyl(meth)acrylates having 12 to 40 carbon atoms in an alkyl radical.3. The process of claim 1 , wherein the copolymer mixture comprises at least five copolymers which differ in composition of repeat units.4. The process of claim 1 , wherein:at least three of the copolymers comprise at least two different repeat units derived from one or more alkyl(meth)acrylates having 12 to 40 carbon atoms in an alkyl radical;at least one first copolymer has a higher proportion of repeat units derived from one or more alkyl(meth)acrylates having 19 to 22 carbon atoms in an alkyl radical than at least two of the other copolymers;at least one second copolymer has a higher proportion of repeat units derived from one or more alkyl(meth)acrylates having 12 to 18 carbon atoms in an alkyl radical than at least two of the other copolymers; andat least one third copolymer has repeat units derived from one or more alkyl(meth)acrylates having 19 to 22 carbon atoms in an alkyl radical and has ...

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Номер записи: 31
28-11-2013 дата публикации

Methods for co-production of alkylbenzene and biofuel from natural oils using hydrocracking

Номер: US20130317267A1
Автор: Amarendra Anumakonda, Andrea G. Bozzano, Joao Jorge da Silva Ferreira Alves, Srikantiah Raghuram
Принадлежит: UOP LLC

Embodiments of methods for the production of linear alkylbenzene and optionally biofuel from a natural oil are provided. A method comprises the step of deoxygenating the natural oils to form paraffins. A first portion of the paraffins is hydrocracked to form a first stream of normal and lightly branched paraffins in the C 9 to C 14 range and a second stream of isoparaffins. The first stream is dehydrogenated to provide mono-olefins. Then, benzene is alkylated with the mono-olefins under alkylation conditions to provide an alkylation effluent comprising alkylbenzenes and benzene. Thereafter, the alkylbenzenes are isolated to provide the alkylbenzene product. Optionally a second portion of the paraffins and the isoparaffins are processed to form biofuel.

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Номер записи: 32
05-12-2013 дата публикации

Methods and Apparatus for Treating a Hydrocarbon Stream

Номер: US20130323133A1
Автор: Mark G. Riley, Wugeng Liang
Принадлежит: UOP LLC

Disclosed is an apparatus for treating two or more hydrocarbon feed streams. The apparatus according to one aspect includes a first feed line for supplying one aromatic feed stream and a second feed line for supplying another aromatic feed stream. The apparatus includes a juncture between the feed lines for combining the feed streams. The apparatus further includes a treatment zone in communication with the juncture for treating the combined feed stream.

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Номер записи: 33
26-12-2013 дата публикации

Alkylation Process Using Phosphonium-Based Ionic Liquids

Номер: US20130345482A1
Автор: Alakananda Bhattacharyya, Douglas A. Nafis, Susie C. Martins
Принадлежит: UOP LLC

A process for making an alkylate is presented. The process includes mixing an isoparaffin stream with an olefin stream in an alkylation reactor. The alkylation reactor includes a catalyst for performing the reaction. The catalyst is an ionic liquid that is a quaternary phosphonium based ionic liquid, and the reaction is performed at or near ambient temperatures.

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Номер записи: 34
26-12-2013 дата публикации

Alkylation Process Using Phosphonium-Based Ionic Liquids

Номер: US20130345483A1
Автор: Alakananda Bhattacharyya, Douglas A. Nafis, Susie C. Martins
Принадлежит: UOP LLC

A process for making an alkylate is presented. The process includes mixing an isoparaffin stream with an olefin stream in an alkylation reactor. The alkylation reactor includes a catalyst for performing the reaction. The catalyst is an ionic liquid that is a quaternary phosphonium based ionic liquid, and the reaction is performed at or near ambient temperatures.

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Номер записи: 35
26-12-2013 дата публикации

Alkylation Process Using Phosphonium-Based Ionic Liquids

Номер: US20130345484A1
Автор: Alakananda Bhattacharyya, Douglas A. Nafis, Susie C. Martins
Принадлежит: UOP LLC

A process for making an alkylate is presented. The process includes mixing an isoparaffin stream with an olefin stream in an alkylation reactor. The alkylation reactor includes a catalyst for performing the reaction. The catalyst is an ionic liquid that is a quaternary chloroaluminate based ionic liquid, and the reaction is performed at or near ambient temperatures.

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Номер записи: 36
02-01-2014 дата публикации

PROCESS FOR REMOVING SULFUR COMPOUNDS FROM VACUUM GAS OIL

Номер: US20140001088A1
Автор: Bhattacharyya Alakananda, Mezza Beckay J., Nicholas Christopher P., Wang Haiyan
Принадлежит: UOP LLC

A process for removing a nitrogen compound and a sulfur compound from a hydroprocessed vacuum gas oil feed includes contacting the hydroprocessed vacuum gas oil feed comprising the nitrogen compound and the sulfur compound with a VGO-immiscible phosphonium ionic liquid to produce a hydroprocessed vacuum gas oil and VGO-immiscible phosphonium ionic liquid mixture, and separating the mixture to produce a hydroprocessed vacuum gas oil effluent having a reduced nitrogen compound and sulfur compound content relative to the vacuum gas oil feed. It was found that the amount of the sulfur compound being removed was significantly improved by first removing the nitrogen compounds, especially polar nitrogen compounds. 1. A process for removing nitrogen compounds and sulfur compounds from a vacuum gas oil comprising:(a) contacting the vacuum gas oil comprising the nitrogen and sulfur compounds, with a vacuum gas liquid-immiscible phosphonium ionic liquid to produce a mixture comprising the vacuum gas oil and the vacuum gas liquid-immiscible phosphonium ionic liquid to remove said nitrogen compounds;(b) then contacting said vacuum gas oil with a vacuum gas oil-immiscible phosphonium ionic liquid to produce a mixture comprising the vacuum gas oil and the vacuum gas liquid-immiscible phosphonium ionic liquid to remove said sulfur compounds; and(c) separating the mixture to produce a vacuum gas oil effluent and a vacuum gas oil-immiscible phosphonium ionic liquid effluent, the vacuum gas liquid-immiscible phosphonium ionic liquid effluent comprising the nitrogen and sulfur compounds.2. The process of wherein the vacuum gas oil-immiscible phosphonium ionic liquid comprises at least one ionic liquid from at least one of tetraalkylphosphonium dialkylphosphates claim 1 , tetraalkylphosphonium dialkyl phosphinates claim 1 , tetraalkylphosphonium phosphates claim 1 , tetraalkylphosphonium tosylates claim 1 , tetraalkylphosphonium sulfates claim 1 , tetraalkylphosphonium sulfonates claim ...

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Номер записи: 37
23-01-2014 дата публикации

Method of removing heavy hydrocarbons

Номер: US20140021094A1
Автор: Fuyuki Yagi, Kenichi Kawazuishi, Shuhei Wakamatsu, Tomoyuki Mikuriya
Принадлежит: Chiyoda Corp, Cosmo Oil Co Ltd, Inpex Corp, Japan Oil Gas and Metals National Corp, Japan Petroleum Exploration Co Ltd, JX Nippon Oil and Energy Corp, Nippon Steel and Sumikin Engineering Co Ltd

Heavy hydrocarbons contained in FT off gas of a GTL process are removed by bringing the FT off gas into contact with absorption oil, by introducing the FT off gas into a distillation tower, by cooling the FT off gas or by driving the FT off gas into an adsorbent. A burner tip for heating a reformer tube, using FT off gas as fuel, is prevented from being plugged by the deposition of heavy hydrocarbons contained in the FT off gas.

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Номер записи: 38
30-01-2014 дата публикации

Process for the production of aromatic hydrocarbons

Номер: US20140031598A1
Автор: Glenn Charles Komplin, Kuochen Tsai, Sujata Degaleesan, Vishwanath Subramaniam
Принадлежит: Individual

A process comprising feeding bromine into a first reactor; feeding low molecular weight alkanes into the first reactor; and withdrawing alkyl bromides from the first reactor wherein the bromine and low molecular weight alkanes are fed through an apparatus that rapidly mixes the bromine and low molecular weight alkanes. A process is disclosed further comprising reacting the alkyl bromides to form aromatic hydrocarbons.

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Номер записи: 39
06-02-2014 дата публикации

Extracted conjunct polymer naphtha

Номер: US20140039230A1
Автор: Donald Henry Mohr, Douglas Robert Cyr, Huping Luo, Hye Kyung Cho Timken, Izadyar Dalvand, Michael Sean Driver, Michael Tung-hai Cheng, Shawn Shlomo Winter
Принадлежит: Chevron USA Inc

We provide an extracted conjunct polymer naphtha ( 45 ), comprising a hydrogenated conjunct polymer naphtha, from a used ionic liquid catalyst, having a final boiling point less than 246° C. (475° F.), a Bromine Number of 5 or less, and at least 30 wt % naphthenes. We also provide a blended alkylate gasoline ( 97 ) comprising the extracted conjunct polymer naphtha ( 45 ), and integrated alkylation processes to make the extracted conjunct polymer naphtha ( 45 ) and the blended alkylate gasoline ( 97 ). We also provide a method to analyze alkylate products, by determining an amount of methylcyclohexane in the alkylate products ( 80 ).

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Номер записи: 40
06-02-2014 дата публикации

Hydrogen recycle and hydrogen cloride recovery in an alkylation process

Номер: US20140039231A1
Автор: Bong-Kyu Chang, Christine Marie Phillips, Donald Henry Mohr, Hye Kyung Cho Timken, Robert Fletcher Cleverdon
Принадлежит: Chevron USA Inc

We provide an alkylation process, comprising: separating and recycling a hydrogen gas and a hydrogen chloride from an offgas of a hydrogenation reactor; wherein the hydrogen gas is recycled to the hydrogenation reactor; and wherein the hydrogen chloride is recycled to an alkylation reactor. We also provide an alkylation process unit for performing this process.

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Номер записи: 41
27-02-2014 дата публикации

METHOD OF SCAVENGING HYDROGEN SULFIDE AND/OR SULFHYDRYL COMPOUNDS

Номер: US20140057817A1
Автор: JANAK Kevin Edward
Принадлежит: Lonza, Inc.

A method of reducing the amount of sulfhydryl compounds from sour hydrocarbon fluids is described. In the method, an aldehyde-releasing compound, which is high temperature stable and is highly water-soluble, is introduced to a hydrocarbon fluid stream as a scavenger for sulfhydryl compounds. The aldehyde-releasing compound is allowed to mix with the hydrocarbon fluid stream and the aldehyde-releasing compound is allowed to react with the sulfhydryl compounds present in the hydrocarbon fluid stream, thereby reducing the presence sulfhydryl compound in the hydrocarbon fluid stream. 1. A method for reducing sulfhydryl compounds from a hydrocarbon fluid stream , said method comprising(i) providing a high temperature stable, highly water soluble aldehyde-releasing compound selected from the group consisting of hydantoins, imidazolidinyl ureas, dimethyloxazolidines, glutaraldehydes, and mixtures thereof;(ii) adding an effective amount of the aldehyde-releasing compound to a hydrocarbon fluid stream containing a sulfhydryl containing compound; and(iii) allowing the aldehyde-releasing compound to mix into the hydrocarbon fluid stream and react with at least a portion of the sulfhydryl compound.2. The method according to claim 1 , wherein the aldehyde-releasing compound is a compound.3. The method according to claim 1 , wherein the aldehyde-releasing compound comprises a hydantoin.4. The method according to claim 2 , wherein the hydantoin comprises a hydroxymethyl hydantoin claim 2 , a bis(hydroxymethyl)hydantoin or a mixture thereof.5. The method according to claim 4 , wherein the hydroxymethylhydantion is selected from the group consisting of 1-hydroxymethyl-5 claim 4 ,5-dimethylhydantoin claim 4 , and 3-hydroxymethyl-5 claim 4 ,5-dimethylhydantoin claim 4 , and the bis(hydroxymethyl)hydantoin is 1 claim 4 ,3-bis(hydroxymethyl)-5 claim 4 ,5-dimethylhydantoin.6. The method according to claim 1 , wherein the sulfhydryl compound present in the hydrocarbon fluid comprises ...

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Номер записи: 42
06-03-2014 дата публикации

Process and apparatus for extracting sulfur compounds in a hydrocarbon stream

Номер: US20140066682A1
Автор: Aziz Sattar, George K. Xomeritakis, Jonathan Andrew Tertel, Travis C. Bowen
Принадлежит: UOP LLC

One exemplary embodiment can be a process for extracting sulfur compounds in a hydrocarbon stream. The process can include feeding a hydrocarbon stream containing sulfur compounds to a prewash zone containing an alkali, withdrawing a prewashed hydrocarbon stream from the prewash zone, and feeding the prewashed hydrocarbon stream to a mass transfer zone for extracting one or more thiol compounds from the prewashed hydrocarbon stream. Often, the mass transfer zone includes a hollow fiber membrane contactor.

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Номер записи: 43
01-01-2015 дата публикации

EPOXIDE-BASED HYDROGEN SULFIDE SCAVENGERS

Номер: US20150001132A1
Автор: Jr. Nestor U., Soriano, Sorrells Jennifer L.
Принадлежит:

Disclosed herein are scavenging compounds and compositions useful in applications relating to the production, transportation, storage, and separation of crude oil and natural gas. Also disclosed herein are methods of using the compounds and compositions as scavengers, particularly in applications relating to the production, transportation, storage, and separation of crude oil and natural gas. 2. The method of claim 1 , wherein X is —OH.3. The method of claim 2 , wherein R claim 2 , R claim 2 , R claim 2 , R claim 2 , R claim 2 , R claim 2 , and Rare each independently selected from the group consisting of hydrogen claim 2 , substituted or unsubstituted C-C-alkyl claim 2 , fluoro claim 2 , bromo claim 2 , and iodo.4. The method of claim 1 , wherein X is —OH; Ris hydrogen or substituted or unsubstituted alkyl; Ris hydrogen; Ris hydrogen; Ris hydrogen or substituted or unsubstituted alkyl; Ris hydrogen; and n is 0.5. The method of claim 1 , wherein X is —OH; Ris hydrogen or unsubstituted C-C-alkyl; Ris hydrogen; Ris hydrogen; Ris hydrogen or unsubstituted C-C-alkyl; Ris hydrogen; and n is 0.6. The method of claim 1 , wherein X is —OH; Ris hydrogen or substituted or unsubstituted alkyl; Ris hydrogen; Ris hydrogen; Ris hydrogen; Ris hydrogen; Ris hydrogen or substituted or unsubstituted alkyl; Ris hydrogen; and n is 1.7. The method of claim 1 , wherein X is —OH; Ris hydrogen or unsubstituted C-C-alkyl; Ris hydrogen; Ris hydrogen; Ris hydrogen; Ris hydrogen; Ris hydrogen or unsubstituted C-C-alkyl; Ris hydrogen; and n is 1.8. The method of claim 1 , wherein R claim 1 , R claim 1 , and Rare each independently selected from the group consisting of hydrogen claim 1 , alkyl claim 1 , alkenyl claim 1 , alkynyl claim 1 , aryl claim 1 , heteroaryl claim 1 , heterocycle claim 1 , and cycloalkyl; Rand Rtogether with the carbon atoms to which they are attached form an aryl group; Ris absent; Ris absent; and n is 1.9. The method of claim 1 , wherein X is —OH; Ris hydrogen; Ris ...

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Номер записи: 44
03-01-2019 дата публикации

MOLECULAR SIEVE SSZ-95, METHOD OF MAKING, AND USE

Номер: US20190001312A1
Автор: Lei Guan-Dao, Ojo Adeola Florence, Zhang Yihua, Zones Stacey Ian
Принадлежит: Chevron U.S.A. INC.

A new crystalline molecular sieve designated SSZ-95 is disclosed. In general, SSZ-95 is synthesized from a reaction mixture suitable for synthesizing MTT-type molecular sieves and maintaining the mixture under crystallization conditions sufficient to form product. The product molecular sieve is subjected to a pre-calcination step, and ion-exchange to remove extra-framework cations, and a post-calcination step. The molecular sieve has a MTT-type framework and a H-D exchangeable acid site density of 0 to 50% relative to molecular sieve SSZ-32. 1. A molecular sieve having a MTT-type framework , a mole ratio of 20 to 70 of silicon oxide to aluminum oxide , a total micropore volume of between 0.005 and 0.02 cc/g; and a H-D exchangeable acid site density of up to 50% relative to SSZ-32.2. The molecular sieve of claim 1 , wherein the molecular sieve has a mole ratio of 20 to 50 of silicon oxide to aluminum oxide.3. The molecular sieve of claim 1 , wherein the molecular sieve has a total micropore volume of between 0.008 and 0.018 cc/g.4. The molecular sieve of claim 1 , wherein the molecular sieve has an external surface area of between 200 and 250 m/g; and a BET surface area of between 240 and 280 m/g.5. The molecular sieve of claim 1 , wherein the molecular sieve has a H-D exchangeable acid site density of 0.5 to 30% relative to molecular sieve SSZ-32.6. The molecular sieve of claim 5 , wherein the molecular sieve has a total micropore volume of between 0.008 and 0.018 cc/g.7. The molecular sieve of claim 5 , wherein the molecular sieve has an external surface area of between 200 and 250 m/g; and a BET surface area of between 240 and 280 m/g.8. The molecular sieve of claim 1 , wherein the molecular sieve has a H-D exchangeable acid site density of 2 to 25% relative to molecular sieve SSZ-32.9. The molecular sieve of claim 8 , wherein the molecular sieve has a total micropore volume of between 0.008 and 0.018 cc/g.10. The molecular sieve of claim 8 , wherein the molecular ...

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Номер записи: 45
07-01-2016 дата публикации

DECOMPOSITION OF ORGANIC CHLORIDE IN ALKYLATE USING METALS AND ALLOYS

Номер: US20160002542A1
Автор: Lacheen Howard Steven
Принадлежит: Chevron U.S.A. INC.

Processes for decomposing organic chloride in a hydrocarbon stream may comprise contacting a hydrocarbon stream with a dechlorination element in a dechlorination zone under dechlorination conditions to provide a dechlorinated hydrocarbon product, wherein the dechlorination element may comprise a metal or metal alloy having a high surface area configuration. Such a dechlorination element may be disposed within one or more distillation columns and/or within a separate dechlorination vessel. 1. A dechlorination process , comprising:a) providing a hydrocarbon stream comprising an alkylate product in combination with an organic chloride contaminant; and{'sup': 2', '−3, 'b) contacting the hydrocarbon stream under dechlorination conditions in a dechlorination zone with a dechlorination element having a surface area per unit volume in the range from 250 to 1000 m·mto decompose the organic chloride and to provide a dechlorinated alkylate product, wherein the dechlorination element has a metal surface comprising a metal alloy.'}2. The process according to claim 1 , wherein the dechlorination element comprises from 90 to 100 wt % of the metal alloy.3. The process according to claim 1 , wherein:the metal surface of the dechlorination element is of uniform composition, andthe metal alloy is selected from the group consisting of an Fe based alloy, a Ni based alloy, and a Cu based alloy.4. The process according to claim 1 , wherein the metal alloy comprises at least 90 wt % Fe claim 1 , and an alloying element selected from the group consisting of Al claim 1 , B claim 1 , C claim 1 , Co claim 1 , Cr claim 1 , Cu claim 1 , Mg claim 1 , Mn claim 1 , Mo claim 1 , N claim 1 , Ni claim 1 , Nb claim 1 , Pb claim 1 , S claim 1 , Si claim 1 , Ta claim 1 , Ti claim 1 , V claim 1 , W claim 1 , Zr claim 1 , and combinations thereof.5. The process according to claim 1 , wherein the metal surface of the dechlorination element consists essentially of the metal alloy.6. The process according to ...

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Номер записи: 46
07-01-2016 дата публикации

METHOD FOR PRODUCING NON-CARCINOGENIC AROMATIC PROCESS OIL

Номер: US20160002543A1
Автор: DOLINSKIY Taras Ivanovich, KHODOV Nikolay Vladimirovich, KUIMOV Andrey Fedorovich, MAZURIN Oleg Anatolyevich, RADBIL Arkadiy Benyuminovich, TSEBULAEV Victor Alekseevich
Принадлежит: ZAKRYTOE AKTSIONERNOE OBSCHESTVO "TORGOVITY DOM "ORGKHIM"

The present invention relates to the chemical or petroleum-processing industry and can be used in the production of petroleum plasticizers for synthetic rubber and tyres. In the method for producing non-carcinogenic aromatic process oil, containing a PCA extract of less than 3.0% according to the IP-346 method, said method comprising purifying the oil fractions of petroleum with selective solvents and separating the extract, additionally processing the extract with a polar solvent and producing a raffinate as the end product, the polar solvent used is a mixture of dimethylsulphoxide and Nmethylpyrrolidone, which is used for preliminary processing of the extract, wherein, after the preliminary processing, the mixture of extract and polar solvent is filtered, divided and the light phase is sent to the additional processing of the extract with the polar solvent, and the heavy phase is sent to a polar solvent regeneration stage. The ratio of dimethylsulphoxide to N-methylpyrrolidone in the mixture is within the range of 1:0.1-0.5. The ratio of polar solvent to extract in the additional processing stage is within the range of 1.5-2.5:1. The ratio of polar solvent to extract in the preliminary processing stage is within the range of 0.1-0.3:1. The technical result consists in increasing the efficiency of the process by preventing the formation of an intermediate layer in the extractor column, by reducing the ratio of solvent:extract, and, as a consequence, by increasing the productivity of the plant, simplifying the process of drying the solvent, and eliminating a paraffin-naphthene solvent, which substantially simplifies the regeneration of extractant from the raffinate solution. 1. A process for producing non-carcinogenic aromatic process oil containing less than 3.0% of a PCA extract according to the IP-346 method , said process comprising the steps of refining petroleum oil fractions with selective solvents and separating an extract , additional treatment of the ...

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Номер записи: 47
04-01-2018 дата публикации

COMPOUNDS AND METHODS FOR INHIBITING CORROSION IN HYDROCARBON PROCESSING UNITS

Номер: US20180002619A1
Автор: Devi Rebika Mayanglambam, Ghosh Romit, Joshi Manish, Kesavan Sathees, Nagu Muthukumar, Patel Nimeshkumar Kantilal, Shetty Ashok Shankar, Subbiah Alagarsamy
Принадлежит:

Treatment compositions for neutralizing acidic species and reducing hydrochloride and amine salts in a fluid hydrocarbon stream are disclosed. The treatment compositions may comprise at least one amine with a salt precipitation potential index of equal to or less than about 1.0. Methods for neutralizing acidic species and reducing deposits of hydrochloride and amine salts in a hydrocarbon refining process are also disclosed. The methods may comprise providing a fluid hydrocarbon stream and adding a treatment composition to the fluid hydrocarbon stream. The treatment compositions used may have a salt precipitation potential index of equal to or less than about 1.0 and comprise either water-soluble or oil-soluble amines. 1. A treatment composition for neutralizing acidic species and reducing hydrochloride and amine salts in a fluid hydrocarbon stream , said treatment composition comprising at least one amine selected from the group consisting of , 1 ,2 dimethylpropylamine , 1 ,4-dimethylpiperazine , N-methyldibutylamine , N-methyldipropylamine , ethylhexylamine , N-methylpyrrolidine , di-ethyl hydroxyl amine , dimethylcyclohexylamine , diethylpropargylamine , dimethyl-N-propylamine , di-N-propylamine , N ,N ,N′ ,N′-tetramethylethylenediamine (TMED) , N-methyl piperidine , 2-dimethylamino 2-methyl 1-propanol (DMAMP) , N ,N ,N′ ,N′-tetramethyldiaminomethane (TMMD) , dimethyl tertiary butanolamine (DMTBA) , dimethyl methoxypropylamine (DMMOPA) , furfurylamine , and combinations thereof; and wherein said amine has a salt precipitation potential index of equal to or less than about 1.0.2. The treatment composition of claim 1 , wherein said amine has a pKa equal to or greater than about 5.0.3. The treatment composition of claim 1 , wherein said amine has a salt precipitation potential index of equal to or less than about 0.5.4. The treatment composition of claim 1 , wherein said treatment composition further comprises at least one water soluble amine.5. The treatment ...

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Номер записи: 48
03-01-2019 дата публикации

Nitrogen Based Hydrogen Sulfide Scavengers and Method of Use Thereof

Номер: US20190002768A1
Автор: Subramaniyam Mahesh
Принадлежит:

The present invention relates to a hydrogen sulphide scavenging additive composition for scavenging hydrogen sulphide including sulfur containing compounds and mercaptans, particularly for scavenging hydrogen sulfide in hydrocarbons, wherein the additive composition comprises substantially reduced amount of nitrogen based hydrogen sulfide scavengers, and is also required in substantially reduced amount, and wherein the additive composition scavenges the sulfur containing compounds not only at room temperature, but also at higher temperatures, and comprises at least a combination of: (A) at least one nitrogen based hydrogen sulfide scavenger; and (B) at least one aliphatic tertiary amine, wherein the nitrogen based hydrogen sulfide scavenger comprises triazine based hydrogen sulfide scavenger. In one embodiment, it also relates to a method for scavenging hydrogen sulfide in hydrocarbons, and in another embodiment it relates to a method of using an additive composition of the present invention for scavenging hydrogen sulfide in hydrocarbons. In yet another embodiment, it relates to a composition comprising (i) a hydrocarbon and (ii) a hydrogen sulfide scavenging additive composition for scavenging hydrogen sulfide in hydrocarbons. 1. A hydrogen sulfide scavenging additive composition for scavenging hydrogen sulfide in hydrocarbon comprising sulfur containing compounds , wherein said additive composition comprises at least a combination of:(A) at least one nitrogen based hydrogen sulfide scavenger; and(B) at least one aliphatic tertiary amine,wherein the nitrogen based hydrogen sulfide scavenger comprises triazine based hydrogen sulfide scavenger; andwherein the aliphatic tertiary amine comprises tri-isopropanolamine (TIPA), N,N,N′,N′-Tetrakis (2-hydroxyethyl) ethylene-diamine (THEED), ethylene oxide (EO) derivative of TIPA (EO-TIPA), propylene oxide (PO) derivative of TIPA (PO-TIPA), ethylene oxide (EO) derivative of ethylene diamine (EO-EDA), propylene oxide (PO) ...

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Номер записи: 49
03-01-2019 дата публикации

Chemical Rejuvenation Process to Permanently Increase the API Gravity of Crude Oil and Bitumen

Номер: US20190002770A1
Автор: Zuckerman Mathew
Принадлежит:

The invention relates to a method of increasing the American Petroleum Institute (API) gravity of feedstocks by reacting one or more mono-cyclic ether solvents such as oxolane with the asphaltene resident in bitumen or crude oils, at an ambient or elevated temperature, and at ambient or elevated pressure, to increase the API gravity and the economic value of the bitumen or crude oil, and a method for in situ manufacturing a mono-cyclic ether, oxolane, to rejuvenate bitumen or heavy crude oils into their younger lighter crude oils by blending methyl linoleate and methanol in a ratio; heating to produce oxolane; and contacting the oxolane as a solvent with the asphaltene resident in bitumen and heavy crude oils to release not only aromatic compounds, represented by toluene, but also the paraffinic alkanes, represented by n-heptane, making the feedstocks ready for extraction, separation of sand, pipeline transport and refining. 1. A method of increasing the American Petroleum Institute (API) gravity of feedstocks by reacting one or more mono-cyclic ether solvents with the asphaltene resident in bitumen or crude oils , at an ambient or elevated temperature to increase the API gravity and the economic value of the bitumen or crude oil.2. The method according to claim 1 , wherein the one or more mono-cyclic ether solvents are selected from the group consisting of oxirane claim 1 , oxetane claim 1 , oxolane and oxane.3. The method according to claim 1 , wherein the method is to release light aromatic and alkane fractions that are trapped behind resin in the asphaltene.4. The method according to claim 1 , wherein the method is to transform heavier crude oil into lighter crude oil with higher API gravity than that of heavy crude oil claim 1 , and wherein the light crude oil is ready for transporting and refining without the added cost and complexity of blending other light crude oils or distillates.5. The method according to claim 2 , wherein the mono-cyclic ether solvent is ...

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Номер записи: 50
12-01-2017 дата публикации

Sulfur-contaminated ionic liquid catalyzed alklyation

Номер: US20170007993A1
Автор: Bong Kyu Chang, Hye Kyung Timken
Принадлежит: Chevron USA Inc

A sulfur-contaminated ionic liquid catalyst is provided comprising 300 to 20,000 wppm of sulfur from a contaminant, wherein the catalyst is a chloroaluminate and it alkylates olefin and isoparaffin to make an alkylate gasoline blending component having a FBP below 221° C. A process is provided for making the alkylate gasoline blending component, comprising: a. feeding olefin feed comprising greater than 80 wppm of sulfur contaminant to a chloroaluminate ionic liquid catalyst, to make a sulfur-contaminated catalyst; and b. alkylating olefin feed with isoparaffin to make the alkylate gasoline blending component. A method to construct a refinery alkylation unit is provided comprising installing an ionic liquid alkylation reactor having an inlet that feeds a pure coker LPG olefin. An alkylation process exclusively utilizing coker LPG olefins is also provided.

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Номер записи: 51
11-01-2018 дата публикации

CATALYTIC REACTION ANALYSIS DUAL REACTOR SYSTEM AND A CALIBRATION METHOD FOR CORRECTING NON-CATALYTIC EFFECTS USING THE DUAL REACTOR SYSTEM

Номер: US20180008947A1
Автор: Bunama Ramsey, Choi YongMan, El-Yahyaoui Khalid M.
Принадлежит:

A catalytic reaction analysis dual reactor system and a method for measuring the catalytic activity of a catalyst by correcting for non-catalytic effects with the catalytic reaction analysis dual reactor system. The dual reactor system contains a first reactor comprising a first catalyst on a first catalyst support, and a second reactor comprising a second catalyst support, wherein the particle size and amount of the first catalyst and the second catalyst support are substantially the same, and the effect of the catalyst is isolated by correcting the result obtained from the first reactor containing the catalyst with the result obtained from the second reactor containing the catalyst support. 1. A catalytic reaction analysis dual reactor system , comprising:a gas loop comprising an inert gas source, a feed gas source, a gas feed line, a first reactor feed line and second reactor feed line, wherein the inert gas source and the feed gas source are in fluid communication with the gas feed line and the gas feed line is in fluid communication with the first and second reactor feed lines;a first reactor comprising a first catalyst chamber loaded with a catalyst comprising a first catalyst on a first catalyst support, a first reactor inlet on an upstream side of the first catalyst chamber and a first reactor outlet on a downstream side of the first catalyst chamber;a second reactor comprising a second catalyst chamber loaded with a second catalyst support, a second reactor inlet on an upstream side of the second catalyst chamber and a second reactor outlet on a downstream side of the second catalyst chamber;wherein the first and second catalyst chambers are substantially the same and the particle size and amount of the first catalyst and the second catalyst support are substantially the same;a gas analyzer comprising an analysis feed line downstream of and connected to the first and second reactor outlets;wherein the first and second reactor are connected in parallel to ...

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Номер записи: 52
11-01-2018 дата публикации

Composition for removing sulfur-containing compounds

Номер: US20180010056A1
Автор: Takahiro Suzuki, Yuusuke SAITOU
Принадлежит: Kuraray Co Ltd

Provided is a composition capable of safely and efficiently removing a sulfur-containing compound, especially hydrogen sulfide, an —SH group-containing compound or a mixture thereof contained in a hydrocarbon, and not causing metal corrosion in devices. The composition is for removing a sulfur-containing compound in a hydrocarbon, wherein the sulfur-containing compound is hydrogen sulfide, an —SH group-containing compound or a mixture thereof, and the composition contains a dialdehyde having 6 to 16 carbon atoms and a polyalkylene glycol.

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Номер записи: 53
10-01-2019 дата публикации

Hydrogen Sulfide Scavenging Additive Composition and Method of Use Thereof

Номер: US20190010403A1
Автор: Subramaniyam Mahesh
Принадлежит:

The present invention relates to an additive composition for scavenging hydrogen sulfide in hydrocarbons, wherein said additive composition comprises a combination of (a) glyoxal and (b) at least one aliphatic tertiary amine or oxide treated derivative thereof, or a mixture of the aliphatic tertiary amine and the oxide treated derivative thereof. In one embodiment it also relates to a method for scavenging hydrogen sulfide in hydrocarbons, and in another embodiment it relates to a method of using an additive composition of the present invention for scavenging hydrogen sulfide in hydrocarbons. In yet another embodiment it relates to a composition for scavenging hydrogen sulfide in hydrocarbons comprising (A) a hydrocarbon and (B) a hydrogen sulfide scavenging additive composition of the present invention. 1. A hydrogen sulfide scavenging additive composition for scavenging hydrogen sulfide in hydrocarbon comprising sulfur containing compounds , wherein said additive composition comprises at least a combination of:(a) glyoxal; and(b) at least one aliphatic tertiary amine or at least one oxide treated derivative of an aliphatic tertiary amine, or a mixture thereof.2. The additive composition as claimed in claim 1 , wherein the aliphatic tertiary amine comprises tri-isopropanolamine (TIPA).3. The additive composition as claimed in or claim 1 , wherein the aliphatic tertiary amine comprises N claim 1 ,N claim 1 ,N′ claim 1 ,N′-Tetrakis (2-hydroxyethyl) ethylene-diamine (THEED).4. The additive composition as claimed in any one of the preceding to claim 1 , wherein the aliphatic tertiary amine comprises N claim 1 ,N claim 1 ,N′ claim 1 ,N′ tetrakis (2-hydroxypropyl) ethylene-diamine (Quadrol®).5. The additive composition as claimed in any one of the preceding to claim 1 , wherein the oxide treated derivative of aliphatic tertiary amine comprises ethylene oxide (EO) derivative of tri-isopropanolamine (EO-TIPA).6. The additive composition as claimed in any one of the ...

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Номер записи: 54
10-01-2019 дата публикации

Decontamination of Sulfur Contaminants from Hydrocarbons

Номер: US20190010404A1
Автор: Matza Stephen D.
Принадлежит: UNITED LABORATORIES INTERNATIONAL, LLC

A method for removing hydrogen sulfide from a hydrocarbon. The method comprises introducing methylmorpholine-N-oxide to a vessel, wherein the vessel comprises the hydrocarbon, and wherein the hydrocarbon comprises hydrogen sulfide; and treating the hydrocarbon by allowing the methylmorpholine-N-oxide to react with the hydrogen sulfide. 1. A method for removing hydrogen sulfide from a hydrocarbon , comprising:(A) introducing a methylmorpholine-N-oxide to a vessel, wherein the vessel comprises the hydrocarbon, and wherein the hydrocarbon comprised a hydrocarbon fluid layer and a hydrocarbon gas layer, and further wherein the methylmorpholine-N-oxide is introduced into the hydrocarbon fluid layer, and wherein the hydrocarbon comprises hydrogen sulfide;(B) introducing steam to the hydrocarbon gas layer; and(C) treating the hydrocarbon fluid layer by allowing the methylmorpholine-N-oxide to react with hydrogen sulfide, wherein treating the hydrocarbon comprises converting hydrogen sulfide to elemental sulfur.2. The method of claim 1 , further comprising (D) removing at least a portion of elemental sulfur from the vessel.3. The method of claim 2 , further comprising (E) allowing at least a portion of hydrogen sulfide in the hydrocarbon gas layer to condense into the hydrocarbon fluid layer.4. The method of claim 3 , wherein treating the hydrocarbon fluid layer comprises converting hydrogen sulfide to elemental sulfur.5. The method of claim 4 , wherein at least a portion of the elemental sulfur is removed from the vessel.6. The method of claim 1 , wherein a concentration of the methylmorpholine-N-oxide in the hydrocarbon fluid layer is between about 0.01 weight volume % and about 60 weight volume % of the hydrocarbon.7. The method of claim 1 , wherein the methylmorpholine-N-oxide solution is introduced to the hydrocarbon fluid layer in an amount to provide a mole ratio of methylmorpholine-N-oxide to hydrogen sulfide in the vessel from about 1.0 mole methylmorpholine-N- ...

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Номер записи: 55
03-02-2022 дата публикации

Recycle catalytic reforming process to increase aromatics yield

Номер: US20220033721A1
Автор: Omer Refa Koseoglu, Robert Peter Hodgkins
Принадлежит: Saudi Arabian Oil Co

The invention relates to a process and system arrangement to generate benzene, toluene and xylenes in a refinery. The process relies on recycling a C9+ aromatic bottoms stream from an aromatic recovery complex back to rejoining a hydrotreated naphtha stream as it enters a catalytic reformer. The aromatic bottoms can be further reacted through both the reformer and the subsequent aromatic recovery complex to transform to higher value compounds, thereby reducing waste or reducing bottoms' presence in gasoline pools.

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Номер записи: 56
19-01-2017 дата публикации

FORMULATIONS OF COPOLYMERS BASED ON ALKYL ACRYLATES USED AS DEFOAMERS OF HEAVY AND SUPER-HEAVY CRUDE OILS

Номер: US20170015897A1
Автор: ALVAREZ RAMIREZ Fernando, CEVADA MAYA Enrique, ESTRADA MARTINEZ Arquimedes, FLORES SANDOVAL Cesar Andres, HERNÁNDEZ CARBAJAL Edgar Iván, LOPEZ ORTEGA Alfonso, VAZQUEZ MORENO Flavio Salvador
Принадлежит:

This invention is directed to a method for defoaming crude oil by the addition of copolymers based on silicone free alkyl acrylics defoamers for crude oils with densities between 10 and 40° API. The alkyl acrylic copolymers at conditions similar to those of gas-liquid separators are efficient foam formation inhibitors in heavy and super-heavy crude oils to reduce foam levels between 15 and 50% faster than non-dosed crude oil. Some acrylic copolymers exhibited a greater efficiency as defoamers than commercial silicones, which promote the defoaming only 20 or 25 vol % faster than the natural foam collapse. Silicones as defoamers present serious problems as the formation of deposits and the deactivation of catalysts in the refining processes. These problems have originated a series of interdictions to use silicon based defoamers and new chemical compounds completely silicon free are required to control the foam levels in the gas/petroleum separation tanks. 2. The process according to claim 1 , where the copolymers are obtained from monomers selected from the group consisting of methyl acrylate claim 1 , ethyl acrylate claim 1 , butyl acrylate claim 1 , n-amyl acrylate claim 1 , isobornyl acrylate claim 1 , isobutyl acrylate claim 1 , tert-butyl acrylate claim 1 , hexyl acrylate claim 1 , 2-ethylhexylacrylate claim 1 , 3.5 claim 1 ,5-trimethylhexyl acrylate claim 1 , 2-methoxyethyl acrylate claim 1 , 2-phenoxy acrylate claim 1 , 4-tert-butylacyclehexyl acrylate claim 1 , octyl acrylate claim 1 , isodecyl acrylate claim 1 , decyl acrylate claim 1 , lauryl acrylate claim 1 , tridecyl acrylate claim 1 , octadecyl acrylate and behenyl acrylate.3. The process according to claim 1 , where the average molecular mass of copolymers vary preferably between 7 000 and 120 claim 1 ,000 Daltons.4. The process according to where an aqueous phase present during the synthesis of said copolymers is eliminated by distillation at a temperature between 80 and 120° C.5. The process according ...

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Номер записи: 57
19-01-2017 дата публикации

Production of low sulfur gasoline

Номер: US20170015915A1
Автор: Bryan C. Lu, John P. Greeley, Michael R. Chuba, Mohsen N. Harandi
Принадлежит: ExxonMobil Research and Engineering Co

Systems and methods are provided for producing naphtha boiling range fractions having a reduced or minimized amount of sulfur and an increased and/or desirable octane rating and suitable for incorporation into a naphtha fuel product. A naphtha boiling range feed can be separated to form a lower boiling portion and a higher boiling portion. The lower boiling portion, containing a substantial amount of olefins, can be exposed to an acidic catalyst without the need for providing added hydrogen in the reaction environment. Additionally, during the exposure of the lower boiling portion to the acidic catalyst, a stream of light olefins (such as C 2 -C 4 olefins) can be introduced into the reaction environment. Adding such light olefins can enhance the C 5 + yield and/or improve the removal of sulfur from thiophene and methyl-thiophene compounds in the naphtha feed.

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Номер записи: 58
17-01-2019 дата публикации

Application of formaldehyde sulfoxylates for scavenging h2s

Номер: US20190015763A1
Автор: Kimchi T. Phan, Scott E. Lehrer, Soma Chakraborty, Sunder Ramachandran
Принадлежит: Baker Hughes Inc

A scavenger comprising a formaldehyde sulfoxylate may be used to scavenge hydrogen sulfide (H 2 S) from systems that are brine or mixed production. Suitable formaldehyde sulfoxylates include, but are not necessarily limited to, sodium formaldehyde sulfoxylate, zinc formaldehyde sulfoxylate, and calcium formaldehyde sulfoxylate, potassium formaldehyde sulfoxylate, magnesium formaldehyde sulfoxylate, iron formaldehyde sulfoxylate, copper formaldehyde sulfoxylate, alkene aldehyde sulfoxylates, and combinations thereof.

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Номер записи: 59
17-01-2019 дата публикации

HYDROGEN SULFIDE SCAVENGERS

Номер: US20190016966A1
Автор: Anantaneni Prakasa, Burrell Christopher, Clark Jeffery Caleb, Gallardo, III Julian M., Karas Lawrence J., PASSOS Rafaela Carvalhal, Rana Geeta, Trevino Matthew
Принадлежит: ECOLAB USA INC.

Disclosed herein are scavenging compounds and compositions useful in applications relating to the production, transportation, storage, and separation of crude oil and natural gas. Also disclosed herein are methods of using the compounds and compositions as scavengers, particularly in applications relating to the production, transportation, storage, and separation of crude oil and natural gas. 2. The method of claim 1 , wherein the stream is a liquid or a gaseous stream comprising a hydrocarbon.3. The method of claim 1 , wherein the sulfur-containing compound is hydrogen sulfide.4. The method of claim 1 , wherein the compound containing the amine group is a tertiary alkanolamine compound.5. The method of claim 1 , wherein x+y+z is 3 claim 1 , k+1+m is 0 claim 1 , Rand Rare both alkylenyl claim 1 , and Ris alkyl.6. The method of claim 1 , wherein x+y+z is 3 claim 1 , k+1+m is 0 claim 1 , Ris alkylenyl claim 1 , and Rand Rare both alkyl.7. The method of claim 1 , wherein x+y+z is 3 claim 1 , k+1+m is 0 claim 1 , Rand Rare both alkylenyl claim 1 , and Ris aryl. The present disclosure generally relates to scavengers of sulfur-based species and methods of scavenging sulfur-based species. More particularly, the disclosure relates to methods of scavenging sulfur-containing compounds, such as hydrogen sulfide and/or mercaptans, using compositions comprising a compound containing an amine group and a hemiacetal compound.The removal of sulfur-based species from liquid or gaseous hydrocarbon streams is a problem that has long challenged many industries. Hydrogen sulfide is a major problem in the oil industry, particularly in the drilling, production, transportation, storage, and processing of crude oil, as well as wastewater associated with crude oil. The same problems exist in the natural gas industry.The presence of sulfur-containing compounds, such as hydrogen sulfide, can result in the deposition of sulfur containing salts, which can cause plugging and corrosion of ...

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Номер записи: 60
16-01-2020 дата публикации

PROCESS FOR PRODUCING HYDROCARBONS

Номер: US20200017775A1
Автор: BJÖRKLÖF Thomas, Eilos Isto, LINDBERG Teemu
Принадлежит:

The present invention relates to a process for producing hydrocarbons, said process comprising the steps, where feedstock of biological origin is degummed, the degummed feedstock is subjected to bleaching and/or hydrolysis, followed by hydroprocessing and catalytic cracking. 1. A process for producing hydrocarbons , where said process comprises the steps ,feedstock of biological origin is degummed to produce degummed feedstock;the degummed feedstock is subjected to bleaching and/or hydrolysis to produce pretreated feedstock;the pretreated feedstock is hydroprocessed catalytically to produce hydroprocessed feedstock;the hydroprocessed feedstock is fractionated to produce at least one fraction comprising hydrocarbons having carbon number of at least C20; andthe fraction comprising hydrocarbons having carbon number of at least C20 andat least one non-renewable feedstock is subjected to catalytic cracking to produce a product comprising hydrocarbons boiling in the range of 40-210° C.,wherein the feedstock of biological origin comprises at least one oil derived from biological sources, comprising at least 85 wt % of C18-C26 fatty acids, wherein the C18-C26 fatty acids comprise at least 30 wt % of C20-C26 fatty acids.2. The process according to claim 1 , wherein the fraction comprising hydrocarbons having carbon number of at least C20 is combined with the non-renewable feedstock.3. The process according to claim 1 , wherein the feedstock of biological origin comprises at least one oil derived from biological sources claim 1 , comprising at least 85-99 w % of C18-C26 fatty acids.4. The process according to claim 3 , wherein the C18-C26 fatty acids comprise 30-60 wt % of C20-C26 fatty acids.5Brassica. The process according to claim 1 , wherein the feedstock of biological origin comprises at least one plant oil originating from species.6Brassica. The process according to claim 1 , wherein the feedstock of biological origin is selected from mixtures of plant oil(s) claim 1 , ...

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Номер записи: 61
25-01-2018 дата публикации

Production of Xylenes from Syngas

Номер: US20180023008A1
Автор: Beech, Jr. James H., Silverberg Steven E., Soultanidis Nikolaos
Принадлежит:

This disclosure relates to the production of xylenes from syngas, in which the syngas is converted to an aromatic product by reaction with a Fischer-Tropsch catalyst and an aromatization catalyst. The Fischer-Tropsch catalyst and aromatization catalyst may be different catalysts or combined into a single catalyst. The aromatic product is then subjected to selective alkylation with methanol and/or carbon monoxide and hydrogen to increase its p-xylene content. 1. A catalyst system for the production of para-xylene comprising:(a) a first catalyst comprising 1 to 50 wt. % Fe, and(b) a second catalyst comprising at least one medium pore size molecular sieve and at least one metal or compound thereof, wherein the metal is selected from Groups 10-14 of the Periodic Table,wherein the first and second catalysts are located within the same reactor bed, andwherein the second catalyst is selectivated by contacting the second catalyst with steam at a temperature of at least 950° C. for about 10 minutes to 10 hours.2. The catalyst system of wherein the first and second catalysts are physically mixed in the same reactor bed.3. The catalyst system of wherein the first and second catalysts are combined into a single multi-functional catalyst.4. The catalyst system of claim 1 , wherein the first catalyst comprises at least one support selected from the group consisting of zinc oxide claim 1 , manganese oxide claim 1 , alumina claim 1 , silica claim 1 , carbon claim 1 , and mixtures thereof.5. The catalyst system of claim 1 , wherein the second catalyst comprises at least one metal or compound thereof claim 1 , wherein the metal is selected from the group consisting of Ga claim 1 , In claim 1 , Zn claim 1 , Cu claim 1 , Re claim 1 , Mo claim 1 , W claim 1 , La claim 1 , Fe claim 1 , Ag claim 1 , Pt claim 1 , and Pd.6. The catalyst system of claim 1 , wherein the metal of the second catalyst is present in an amount of about 0.1 to 10 wt %.7. The catalyst system of claim 1 , wherein the ...

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Номер записи: 62
22-01-2015 дата публикации

Regeneration of olefin treating adsorbents for removal of oxygenate contaminants

Номер: US20150025285A1
Автор: Clifford Michael Lowe, Hye Kyung Cho Timken, Robert Fletcher Cleverdon
Принадлежит: Chevron USA Inc

Processes for eliminating oxygenates and water from a light hydrocarbon processing system, wherein oxygenates are removed from a light hydrocarbon stream by adsorption of the oxygenates on an oxygenate adsorption unit to provide a deoxygenated hydrocarbon stream, the oxygenate adsorption unit is regenerated via a regenerant stream to provide an oxygenated regenerant stream comprising the oxygenates, and the oxygenated regenerant stream is subjected to hydro-deoxygenation to convert the oxygenates into paraffins and water, wherein the water may also be permanently removed from the system.

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Номер записи: 63
10-02-2022 дата публикации

MEANS AND METHODS FOR MANAGING AMMONIA, AMINE AND NORMAL SALT FOULING IN OIL PRODUCTION AND REFINING

Номер: US20220041941A1
Автор: Bosch Ronald Oliver, Crow Charles Richard, JR. Russell Cody, Saulnier Richard Wayne, Strong
Принадлежит:

Methods for use in treating hydrocarbon streams are provided. The methods of the present disclosure include; introducing one or more alcohols into a hydrocarbon stream that includes one or more hydrolyzable chloride compounds; allowing the one or more alcohols to interact with, the one or more hydrolyzable chloride compounds; and increasing: one of a solubility value or a dispersancy value of at least a portion of the hydrolyzable chloride compounds in the hydrocarbon steam. 1. A method comprising:introducing one or more alcohols into a hydrocarbon stream that comprises one or more hydrolyzable chloride compounds;allowing the one or more alcohols to interact with the one or more hydrolyzable chloride compounds; andincreasing one of a solubility value or a dispersancy value of at least a portion of the hydrolyzable chloride compounds in the hydrocarbon steam.2. The method of claim 1 , wherein the one or more alcohols are selected from the group consisting of: methanol claim 1 , ethanol claim 1 , propanol claim 1 , butanol claim 1 , pentanol claim 1 , ethylene glycol claim 1 , propylene glycol claim 1 , glycerol claim 1 , erythritol claim 1 , xylitol claim 1 , sorbitol claim 1 , volemitol claim 1 , inositol claim 1 , any oligomer thereof claim 1 , any polymer thereof claim 1 , and any combination thereof.3. The method of claim 1 , wherein the one or more alcohols comprises an ethylene glycol or one or more oligomers or polymers thereof.4. The method of further comprising introducing one or more salt control additives into the hydrocarbon stream.5. The method of claim 4 , wherein the one or more salt control additives is selected from the group consisting of: a choline salt claim 4 , any analogue thereof claim 4 , any polymer thereof claim 4 , and any combination thereof.6. The method of claim 4 , wherein the one or more salt control additives is selected from the group consisting of: a quaternized ammonia salt claim 4 , a quaternized amine claim 4 , any analogue ...

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Номер записи: 64
10-02-2022 дата публикации

METHOD FOR HYDROCARBON PRODUCTION, PURIFICATION METHOD, AND PURIFIER

Номер: US20220041942A1
Автор: MINAMOTO Naoya, Tsuruta Takuo, Ujita Katsuji
Принадлежит: KURARAY CO., LTD.

The present invention relates to a method for producing a hydrocarbon, including a step (Y) of converting a reaction product of at least one sulfur compound selected from the group consisting of hydrogen sulfide and a compound containing a —SH group which are contained in a hydrocarbon with an α,β-unsaturated aldehyde compound into a water-soluble compound in the presence of water, and a step (Z) of separating oil and water. 1. A method for producing a hydrocarbon , comprising:converting a reaction product of at least one sulfur compound selected from the group consisting of hydrogen sulfide and a compound containing a —SH group which are contained in a hydrocarbon with an α,β-unsaturated aldehyde compound into a water-soluble compound in the presence of water to obtain a solution comprising an oil phase and a water phase, andseparating the oil phase from the water phase in the solution.2. The method for producing a hydrocarbon according to claim 1 , further comprising bringing the α claim 1 ,β-unsaturated aldehyde compound into contact with the hydrocarbon containing the sulfur compound to obtain the reaction product.3. The method for producing a hydrocarbon according to claim 1 , further comprising bringing the α claim 1 ,β-unsaturated aldehyde compound and an amine compound into contact with the hydrocarbon containing the sulfur compound to obtain the reaction product.5. The method for producing a hydrocarbon according to claim 1 , wherein the converting the reaction product comprises reacting the reaction product with an aqueous sulfite solution to convert the reaction product into the water-soluble compound.6. The method for producing a hydrocarbon according to claim 5 , wherein the sulfite is at least one selected from the group consisting of sodium hydrogen sulfite claim 5 , potassium hydrogen sulfite claim 5 , ammonium hydrogen sulfite claim 5 , sodium sulfite claim 5 , potassium sulfite claim 5 , and ammonium sulfite.7. The method for producing a ...

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Номер записи: 65
10-02-2022 дата публикации

HYDROGEN SULPHIDE AND MERCAPTANS SCAVENGING COMPOSITIONS

Номер: US20220041944A1
Автор: MONDKAR Hemant Surendra, TORT Frédéric
Принадлежит: TOTAL MARKETING SERVICES

The present invention relates to a composition for scavenging hydrogen sulphide and/or mercaptans in hydrocarbon streams, the composition comprising an oxazolidine compound and a synergistic additive. 115-. (canceled)16. A composition for scavenging hydrogen sulphide and mercaptans in hydrocarbon streams , said composition comprising an oxazolidine compound and an additive ,the additive being the reaction product of a compound (A) with a compound (B), optionally followed by a quaternization reaction of the reaction product of (A) and (B) with a compound (C), wherein:Compound (A) is a hydrocarbyl-substituted acylating agent,Compound (B) is a nitrogen-containing compound selected from primary, secondary or tertiary polyamines and a compound comprising at least one tertiary amine group and at least one group selected from the primary and secondary amines or the alcohols,Compound (C) is a quaternizing agent.17. The composition according to claim 16 , wherein the hydrocarbyl-substituted acylating agent (A) is selected from the mono- or polycarboxylic acids substituted with a hydrocarbon group and their derivatives claim 16 , alone or in a mixture.18. The composition according to claim 16 , wherein compound (A) is selected from the succinic claim 16 , phthalic and propionic acids substituted with a hydrocarbon group.19. The composition according to claim 16 , wherein compound (B) is selected from primary polyamines.20. The composition according to claim 16 , wherein compound (B) is selected from the group consisting of: N claim 16 ,N-dimethylaminopropylamine claim 16 , N claim 16 ,N claim 16 ,N-tris(aminoethyl)amine claim 16 , N claim 16 ,N-dibutylaminopropylamine claim 16 , N claim 16 ,N-diethylaminopropylamine claim 16 , N claim 16 ,N-dimethylaminoethylamine claim 16 , 1-(3-aminopropyl)imidazole claim 16 , 4-(3-aminopropyl) morpholine claim 16 , 1-(2-aminoethyl)piperidine claim 16 , 3 claim 16 ,3-diamino-N-methyldipropylamine claim 16 , and 3′3-bisamino(N claim 16 ,N- ...

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Номер записи: 66
25-01-2018 дата публикации

MOLECULAR ENHANCED BASED SURFACE ENHANCED RAMAN SPECTROSCOPY TO DETECT LOW CONCENTRATION OF MONOETHANOLAMINE

Номер: US20180024066A1
Автор: Darugar Qusai A., Harrell Bradley G., Khabashesku Valery N., Murugesan Sankaran, Suresh Radhika, Ventura Darryl N.
Принадлежит: Baker Hughes, a GE company, LLC

A system and method for estimating a concentration of monoethanolamine (MEA) in a fluid. A substrate for supporting a sample of the fluid during testing includes a carbon nanotube mat layer, a silver nanowire layer disposed on the carbon nanotube mat layer, and a chemical enhancer layer disposed on the silver nanowire layer. A sample of the fluid is placed on the substrate, and the fluid sample is radiated with electromagnetic radiation at a selected energy level. A detector measures a Raman spectrum emitted from the sample in response to the electromagnetic radiation. A processor estimates the concentration of MEA in the sample from the Raman spectrum and adds a corrosion inhibitor to the fluid in an amount based on the estimated concentration of MEA to reduce the concentration of MEA in the fluid. 1. A method of estimating a concentration of monoethanolamine (MEA) in a fluid , comprising: a carbon nanotube mat layer,', 'a silver nanowire layer disposed on the carbon nanotube mat layer, and', 'a chemical enhancer layer disposed on the silver nanowire layer, wherein the fluid sample is placed on the chemical enhancer layer;, 'placing a sample of the fluid on a substrate includingradiating the fluid sample with electromagnetic radiation at a selected energy level;measuring a Raman spectrum emitted from the fluid sample in response to the electromagnetic radiation;estimating the concentration of MEA in the sample fluid from the Raman spectrum; andadding a corrosion inhibitor to the fluid in an amount based on the estimated concentration of MEA to reduce the concentration of MEA.2. The method of claim 1 , wherein the chemical enhancer layer includes a chemical having a thiol group for bonding to the silver nanowire layer and at least one of a carboxyl group and a boronyl group for bonding to the MEA.3. The method of claim 1 , wherein the chemical enhancer layer includes at least one of:4-mercaptobenzoic acid (4-MBA), 2-mercaptopyridine, 4-bromothiophenol, and 4- ...

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Номер записи: 67
24-01-2019 дата публикации

REMOVAL OF MERCURY BY CHEMICAL ADDITION AND MECHANICAL SEPERATION

Номер: US20190023994A1
Автор: Hart Michelle Marie, Hatakeyama Evan Shigeto, Higashidani Kyle Kozo, Lopez-Linares Francisco
Принадлежит:

A process for the removal of mercury comprising reacting a sulfide source with HgS solids to increase the size and sedimentation rate of the submicron mercury for removal by filtration or other mechanical processes is described herein. 1. A process for the removal of mercury comprising reacting a sulfide source with submicron mercury solids to increase the size and sedimentation rate of the submicron mercury and subsequently removing the mercury.2. The process of wherein the increase in sedimentation rate is further assisted by centrifugation.3. The process of wherein the sulfide source is selected from the group consisting of Na2S claim 2 , liquid sulfide polymers claim 2 , sulfur immobilized on silica.4. The process of wherein the mercury is selected from the group consisting of elemental claim 3 , ionic or HgS.5. The process of wherein the mercury is HgS.6. The process of wherein the size is increased to 20 microns or greater.7. The process of wherein the size is increased from 10 microns to 20 microns.8. The process of wherein the mercury is removed by filtration. Natural gas and crude oils produced in certain geographic areas of the world contain mercury in sufficient quantities to make them undesirable as refinery or petrochemical plant feedstocks. Condensates and crude oils derived from natural gas and crude oil production worldwide may contain over 1000 parts per billion by weight (ppbw) of mercury. If these condensates and crudes are distilled without first removing the mercury, it will pass into distillate hydrocarbon streams, such as naphtha and gas oils, derived from these feeds and poison hydrotreating and other catalysts used to further refine these distillate streams.In the past, adsorbents, gas stripping and chemical precipitation methods have been used to remove mercury from crudes and other hydrocarbon liquids prior to their processing in order to avoid catalyst poisoning problems. The use of fixed bed adsorbents, such as activated carbon, ...

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Номер записи: 68
24-04-2014 дата публикации

High rate reactor system

Номер: US20140109465A1
Автор: Charles Red, JR., Edward N. COPPOLA, Sanjay Nana
Принадлежит: Applied Research Associates Inc

A process and system for upgrading an organic feedstock including providing an organic feedstock and water mixture, feeding the mixture into a high-rate, hydrothermal reactor, wherein the mixture is rapidly heated, subjected to heat, pressure, and turbulent flow, maintaining the heat and pressure of the mixture for a residence time of less than three minutes to cause the organic components of the mixture to undergo conversion reactions resulting in increased yields of distillate fuels, higher-quality kerosene and diesel fuels, and the formation of high octane naphtha compounds. Hydrocarbon products are cooled at a rate sufficient to inhibit additional reaction and recover of process heat, and depressurizing the hydrocarbon products, and separating the hydrocarbon products for further processing. The process and system can include devices to convert olefinic hydrocarbons into paraffinic hydrocarbons and convert olefinic byproduct gas to additional high-octane naphtha and/or heavier hydrocarbons by one of hydrogenation, alkylation, or oligomerization.

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Номер записи: 69
04-02-2016 дата публикации

Method of scavenging hydrogen sulfide and mercaptans using well treatment composites

Номер: US20160030916A1
Автор: Dong Shen, Stephen J. Szymczak, William H. Steiner
Принадлежит: Baker Hughes Inc

Hydrogen sulfide and mercaptans may be removed from a fluid or gaseous stream by introducing a composite to the fluid or gaseous stream containing a hydrogen sulfide scavenger adsorbed onto a water-insoluble adsorbent.

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Номер записи: 70
24-04-2014 дата публикации

Centrifugal fluid ring plasma reactor

Номер: US20140113980A1
Автор: Richard Max MANDLE
Принадлежит: Individual

The Centrifugal Fluid Ring Plasma Reactor employs a centrifugal impeller and a fluid barrier to mix multi-phase fluids and repeatedly move the mixture through a reaction zone, where the mixture contacts catalysts and/or is subjected to electromagnetic, mechanical, nuclear, and/or sonic energy to create ions, free radicals or activated molecules, which initiate or promote a desired reaction. In one embodiment, high-voltage electromagnetic energy is applied to Cobalt and Tungsten/Thorium electrodes in the reaction zone to create plasma. The Centrifugal Fluid Ring Plasma Reactor is suitable for converting carbon dioxide and methane into useful fuel products and for performing other multi-phase chemical reactions.

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Номер записи: 71
01-02-2018 дата публикации

METALLO-SILICATE CATALYST (MSC) COMPOSITIONS, METHODS OF PREPARATION AND METHODS OF USE IN PARTIAL UPGRADING OF HYDROCARBON FEEDSTOCKS

Номер: US20180029022A1
Автор: CARBOGNANI Lante Antonio, PEREIRA ALMAO Pedro, PEREZ ZURITA Maria Josefina, SMITH Ronald Scott, SOSA Clementina, Vitale-Rojas Gerardo
Принадлежит:

The invention relates to the preparation of novel bi- or tri metallic silicate micro-porous and/or meso-porous materials based on cerium, nickel, copper and/or zinc on a porous silicate framework matrix to use its molecular sieve effect to target preferentially the acidic organic molecules present in hydrocarbon feedstocks like crude oil, bitumen, VGO and the like. The chosen metals are selected based on their ability to activate steam and transfer oxygen for completing the oxidation of carboxylic compounds or decarboxylating them. These composite materials can be prepared under hydrothermal synthesis conditions in order to produce suitable porous solids where the metals are well dispersed and preferentially distributed inside the channels of the silicate framework where they can interact only with the molecules that can go inside the channels. According to the invention, the metallo-silicate materials are prepared under hydrothermal synthesis conditions Modification of the physical-chemical properties of the porous silicate materials can be accomplished by partial replacement of the silicon atoms by cerium, nickel, copper and/or zinc atoms in the material by isomorphous substitutions of these elements in a synthesis gel or by post-synthesis modifications like ion-exchange or impregnation/deposition. The materials can be used as prepared catalysts for the steam catalytic reduction of the total acid number (TAN) in acidic crude oil feedstocks and in the presence of steam and/or COas oxidizing agent to complete decarboxylation and to keep the metal oxide active sites from reducing and deactivating as well as other partial upgrading reactions. 168-. (canceled)69. A porous metallo-silicate composition (MSC) having a molar composition:{'br': None, 'sub': 2', '2, 'i': :m', ':n, 'SiOCeOXO'}wherein X is a divalent element selected from the group consisting of nickel, copper, zinc and combinations thereof; m is between about 0.001 and 0.5; n is between about 0.001 and 0.5; ...

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Номер записи: 72
01-02-2018 дата публикации

ADDITIVES FOR GAS PHASE OXIDATIVE DESULFURIZATION CATALYSTS

Номер: US20180029023A1
Автор: Ismagilov Zinfer, Jin Yaming, Kerzhentsev Mikhail, KOSEOGLU Omer Refa, Parmon Valentin, Yashnik Svetlana
Принадлежит:

A composition useful in oxidative desulphurization of gaseous hydrocarbons is described. It comprises a CuZnAl—O mixed oxide, and an H form of a zeolite. The mixed oxide can contain one or more metal oxide promoters. The H form of the zeolite can be desilicated, and can also contain one or more transition metals. 1. A composition useful in oxidative desulfurization of gaseous , sulfur containing hydrocarbons , (i) a CuZnAl—O mixed oxide component comprising nominal copper oxide in an amount ranging from 10 weight percent (wt %) to 50 wt % , zinc oxide in an amount ranging from 5 wt % to less than 20 wt % , and aluminum oxide in an amount ranging from 20 wt % to 70 wt % , wherein said catalytic composition has a highly dispersed spinel oxide phase with a formula CuZnAlOwherein x ranges from 0 to 1 , dispersed crystalline ZnO and CuO , and (ii) at least one zeolite in H form.2. The composition of claim 1 , wherein said CuZnAL-O mixed oxide component is in granular form.3. The composition of claim 1 , formed as a cylinder claim 1 , a sphere claim 1 , a trilobe claim 1 , or a quatrolobe.4. The composition of claim 2 , wherein granules of said CuZnAL-O mixed oxide component have a diameter of from 1 mm to 4 mm.5. The composition of claim 1 , wherein said CuZnAl—O mixed oxide component has a surface area of from 10 m/g to 100 m/g.6. The composition of claim 1 , wherein the total pore volume of said CuZnAL-O mixed oxide component is from about 0.1 cm/g to about 0.5 cm/g7. The composition of claim 1 , said CuZnAl—O mixed oxide component comprising from 20 wt % to 45 wt % CuO claim 1 , from 10 wt % to less than 20 wt % ZnO claim 1 , and from 20 wt % to 70 wt % of AlO.8. The composition of claim 7 , said catalyst comprising from 30 wt % to 45 wt % CuO claim 7 , from 12 wt % to less than 20 wt % ZnO claim 7 , and from 20 wt % to 40 wt % AlO.9. The catalytic composition of claim 5 , said CuZnAl—O mixed oxide component having a surface area of from 50 m/g to 100 m/g.10. The ...

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Номер записи: 73
04-02-2016 дата публикации

Random ring packing for biomass digester

Номер: US20160031774A1
Автор: Joseph Broun Powell, Ye-Mon Chen
Принадлежит: Shell Oil Co

A method comprises introducing cellulosic biomass solids to a digester comprising a reactor, gas feed line, biomass feed system, fluid circulation system including a fluid inlet, a pump, and an injector, a screen positioned within the reactor and defining a lower zone therebelow, and a bed of reactor packing material resting on the screen and defining thereby a packed zone; providing a liquid phase digestion medium containing a slurry catalyst in the digester, the catalyst being capable of activating molecular hydrogen; circulating the liquid phase digestion medium through the fluid circulation system; supplying an upwardly directed flow of molecular hydrogen through the cellulosic biomass solids; and maintaining the cellulosic biomass solids and slurry catalyst at a temperature sufficient to cause digestion of cellulosic biomass solids into an alcoholic component.

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Номер записи: 74
01-02-2018 дата публикации

ANTIFOULING AND HYDROGEN SULFIDE SCAVENGING COMPOSITIONS

Номер: US20180030360A1
Автор: Boyarskikh Vyacheslav, Clark Jeffery Caleb, Karas Lawrence John, Rana Geeta, Trevino Matthew Aaron
Принадлежит: ECOLAB USA INC.

Disclosed herein are scavenging and antifouling compositions useful in applications relating to the production, transportation, storage, and separation of crude oil and natural gas. Also disclosed herein are methods of using the compositions as scavengers and antifoulants, particularly in applications relating to the production, transportation, storage, and separation of crude oil and natural gas. 2. The composition of claim 1 , wherein x+y+z is 3 claim 1 , and R claim 1 , R claim 1 , and Rare each selected from the group consisting of alkylenyl claim 1 , C-alkylenyl claim 1 , unsubstituted C-alkylenyl claim 1 , and any combination thereof.3. The composition of claim 1 , wherein x is 1 claim 1 , y is 1 claim 1 , z is 0 claim 1 , Rand Rare each alkylenyl claim 1 , and Ris alkyl.4. The composition of claim 1 , wherein x is 1 claim 1 , y is 1 claim 1 , z is 0 claim 1 , Rand Rare each C-alkylenyl claim 1 , and Ris C-alkyl.5. The composition of claim 1 , wherein x is 1 claim 1 , y is 1 claim 1 , z is 0 claim 1 , Rand Rare each unsubstituted C-alkylenyl claim 1 , and Ris unsubstituted C-alkyl.6. The composition of claim 1 , wherein x is 1 claim 1 , y is 1 claim 1 , z is 0 claim 1 , Rand Rare each alkylenyl claim 1 , and Ris hydrogen.7. The composition of claim 1 , wherein x is 1 claim 1 , y is 1 claim 1 , z is 0 claim 1 , Rand Rare each C-alkylenyl claim 1 , and Ris hydrogen.8. The composition of claim 1 , wherein x is 1 claim 1 , y is 1 claim 1 , z is 0 claim 1 , Rand Rare each unsubstituted C-alkylenyl claim 1 , and Ris hydrogen.11. The composition of claim 1 , wherein the Michael acceptor is an α claim 1 , β-unsaturated carbonyl compound.12. The composition of claim 1 , wherein the Michael acceptor is selected from the group consisting of acrylic acid claim 1 , acrylamide claim 1 , methacrylate claim 1 , dimethyl maleate claim 1 , crotonaldehyde claim 1 , 3-butene-2-one claim 1 , and any combination thereof.13. The composition of claim 1 , wherein the Michael acceptor ...

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Номер записи: 75
30-01-2020 дата публикации

Catalyzed Alkylation, Alkylation Catalysts, and Methods of Making Alkylation Catalysts

Номер: US20200031733A1
Автор: Eric Daniel Gauthier, Kelly Ann Coley, Mitrajit Mukherjee
Принадлежит: Exelus Inc

Improved alkylation catalysts, alkylation methods, and methods of making alkylation catalysts are described. The alkylation method comprises reaction over a solid acid, zeolite-based catalyst and can be conducted for relatively long periods at steady state conditions. The alkylation catalyst comprises a crystalline zeolite structure, a Si/Al molar ratio of 20 or less, less than 0.5 weight percent alkali metals, and further having a characteristic catalyst life property. Some catalysts may contain rare earth elements in the range of 10 to 35 wt %. One method of making a catalyst includes a calcination step following exchange of the rare earth element(s) conducted at a temperature of at least 575° C. to stabilize the resulting structure followed by an deammoniation treatment. An improved method of deammoniation uses low temperature oxidation.

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Номер записи: 76
30-01-2020 дата публикации

PROCESS FOR SEPARATING HYDROCARBON COMPOUNDS

Номер: US20200031736A1
Автор: Edwards Justin Dwight, Rahmim Iraj Isaac, Vuddagiri Srinivas R., Weinberger Sam, Wolfenbarger Julian
Принадлежит:

Disclosed herein are processes for producing and separating ethane and ethylene. In some embodiments, an oxidative coupling of methane (OCM) product gas comprising ethane and ethylene is introduced to a separation unit comprising two separators. Within the separation unit, the OCM product gas is separated to provide a C-rich effluent, a methane-rich effluent, and a nitrogen-rich effluent. Advantageously, in some embodiments the separation is achieved with little or no external refrigeration requirement. 155.-. (canceled)56. A system for providing Ccompounds via oxidative coupling of methane (OCM) , comprising:at least one catalytic OCM reactor system including at least one OCM catalyst to provide an OCM product gas including at least ethane, ethylene, oxygen and nitrogen, wherein each OCM reactor system includes at least a means to provide a gas mixture including at least methane and oxygen prior to introduction to at least one OCM reactor; and{'sub': 2', '2, 'a first separations system to cryogenically separate the OCM product gas into at least a C-rich effluent that includes at least one Ccompound and a gas mixture effluent that includes methane and nitrogen.'}57. The system of wherein at least a portion of the methane in the gas mixture is provided by a feedstock gas and the feedstock gas is heated to about 600° C. or less and is at a pressure of 150 pounds per square inch gauge (psig) or less.58. The system of claim 56 , further comprising:at least one OCM product gas compressor to increase the pressure of the OCM product gas to about 200 pounds per square inch gauge (psig) or more prior to the first separations system.59. The system of claim 58 , further comprising:{'sub': '2', 'at least one turboexpander to expand a first portion of the high pressure OCM product gas and to provide a mechanical shaft work output prior to separating the first portion of the OCM product gas into the C-rich effluent and the gas mixture effluent.'}60. The system of further ...

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Номер записи: 77
30-01-2020 дата публикации

PREPARATION OF NEW STABLE HYDROGEN SULFIDE SCAVENGERS USEFUL IN BOTH WATER AS WELL AS OIL MEDIUM APPLICATIONS

Номер: US20200031759A1
Автор: Anantaneni Prakasa Rao, De Subhasis, Harrington Ryan Matthew, Karas Lawrence J., Mukkamala Ravindranath, Tarverdi David
Принадлежит: ECOLAB USA INC.

The disclosure provides compositions and methods that are useful in removing, lowering, or otherwise controlling hydrogen sulfide and mercaptans. The compositions and methods can be used in any industry where hydrogen sulfide poses problems, such as when dealing with crude oil based, natural gas based, and/or coal based products. In some embodiments, the compositions include one or more alkoxylated amino formaldehyde adducts. 2. The composition of claim 1 , wherein a stream comprises the composition.3. The composition of claim 2 , wherein the stream is aqueous claim 2 , gaseous claim 2 , organic claim 2 , or any combination thereof.4. The composition of claim 1 , wherein the composition is anhydrous.5. The composition of claim 1 , wherein the composition comprises an aqueous solvent or an organic solvent. The present disclosure generally relates to removal of contaminants in liquid mediums. More particularly, the disclosure relates to hydrogen sulfide scavengers for use in either water or oil-based mediums.Hydrogen sulfide is very toxic and poses significant challenges in the oil and gas industry. Removal of hydrogen sulfide from liquid or gaseous hydrocarbon streams is also a problem that poses certain safety risks. Many issues associated with hydrogen sulfide are present in drilling, production, transportation, storage, and the processing of crude oil and waste water associated with crude oil. Similar issues arise during the production of natural gas.The presence of sulfur-containing compounds may result in the deposition of sulfur containing salts, which can cause plugging and corrosion of transmission pipes, valves, regulators, etc. Even flared natural gas needs to be treated to avoid acid rain caused by SOformation, Further, in the manufactured gas industry or coke making industry, coal-gas containing unacceptable levels of hydrogen sulfide is commonly produced from destructive distillation of bituminous coal.Since hydrogen sulfide has an offensive odor and ...

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Номер записи: 78
04-02-2021 дата публикации

COMPOSITION FOR REMOVING SULFUR-CONTAINING COMPOUNDS

Номер: US20210032548A1
Автор: MINAMOTO Naoya, SAITOU Yuusuke, Tsuruta Takuo
Принадлежит: KURARAY CO., LTD.

Provided is a composition for removing a sulfur-containing compound contained in at least one of a liquid and gas, the sulfur-containing compound being at least one selected from the group consisting of hydrogen sulfide and an —SH group-containing compound, the composition containing an aldehyde and an amine whose conjugate acid has a pKa value of 11.3 or higher in water at 25° C. 1. A composition for removing a sulfur-containing compound contained in at least one of a liquid and gas ,the sulfur-containing compound being at least one selected from the group consisting of hydrogen sulfide and an —SH group-containing compound,the composition comprising an aldehyde and an amine whose conjugate acid has a pKa value of 11.3 or higher in water at 25° C.3. The composition according to claim 2 , wherein the compound represented by the general formula (1) is at least one of 1 claim 2 ,8-diazabicyclo[5.4.0]-7-undecene (DBU) and 1 claim 2 ,5-diazabicyclo[4.3.0]-5-nonene (DBN).4. The composition according to claim 2 , wherein the compound represented by the general formula (2) is at least one selected from the group consisting of guanidine claim 2 , 1 claim 2 ,1 claim 2 ,3 claim 2 ,3-tetramethylguanidine (TMG) claim 2 , 1 claim 2 ,5 claim 2 ,7-triazabicyclo[4.4.0]dec-5-ene (TBD) claim 2 , and 7-methyl-1 claim 2 ,5 claim 2 ,7-triazabicyclo[4.4.0]dec-5-ene (MTBD).5. The composition according to claim 1 , wherein the aldehyde is an α claim 1 , β-unsaturated aldehyde.6. The composition according to claim 5 , wherein the α claim 5 , β-unsaturated aldehyde is at least one selected from the group consisting of acrolein claim 5 , senecioaldehyde claim 5 , and citral.7. The composition according to claim 1 , wherein each of the liquid and gas comprises a hydrocarbon.8. The composition according to claim 1 , wherein each of the liquid and gas is at least one selected from the group consisting of natural gas claim 1 , liquefied natural gas (LNG) claim 1 , liquefied petroleum gas (LPG) ...

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Номер записи: 79
05-02-2015 дата публикации

Process Stream Decontamination Systems and Methods

Номер: US20150037208A1
Автор: Lance Witt
Принадлежит: Individual

A decontamination system for decontaminating at least one contaminant in a process stream. Decontaminant liquid is dispersed into the process stream using atomization. A controller detects contaminant levels in the process stream and adjusts the flow of decontaminant fluid into the process stream in response.

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Номер записи: 80
24-02-2022 дата публикации

METHOD OF LIGHT OIL DESULFURIZATION IN THE PRESENCE OF METHANE CONTAINING GAS ENVIRONMENT AND CATALYST STRUCTURE

Номер: US20220055022A1
Автор: LI Yimeng, Li Zhaofei, Song Hua, Xu Hao
Принадлежит:

Catalyst structures and corresponding methods are described for the desulfurization of sulfur-containing light oil or model compounds under a specified gas atmosphere. The sulfur-containing feedstock is effectively converted while producing valuable hydrocarbon products such as BTX and carbon disulfide, as well as utilizing methane or natural gas resources, providing an economical and environmental innovation in the petroleum industry. 1. A method for the desulfurization of a sulfur-containing feedstock , the method comprising introducing the sulfur-containing feedstock within a reactor in the presence of a gas atmosphere and a catalyst structure , wherein the catalyst structure comprises a porous support structure that includes one or more of the following materials: an aluminum oxide (AlO) , an aluminosilicate material such as a zeolite , a silicon oxide (SiO) , a silicon carbide (SiC) , and a titanium oxide (TiO).2. The method of claim 1 , wherein the sulfur-containing feedstock comprises light oils containing sulfur or compounds selected from the group consisting of thiophene claim 1 , benzothiophene claim 1 , dibenzothiophene and any combination and/or derivatives thereof.3. The method of claim 1 , wherein the gas atmosphere consists of pure gas or a mixture of gases selected from the group consisting of nitrogen claim 1 , helium claim 1 , methane claim 1 , and natural gas.4. The method of claim 1 , wherein the catalyst structure comprises one or more of the following metals loaded in the porous support structure: molybdenum claim 1 , nickel claim 1 , cobalt claim 1 , silver claim 1 , gallium claim 1 , cerium and zinc claim 1 , wherein each metal loaded in the porous support structure is present in an amount from about 0.1 wt % to about 20 wt % based upon the total weight of the catalyst structure.5. The method of wherein the one or more metals are loaded within the porous support structure in the form of one or more of the following salts: chlorides claim 4 , ...

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Номер записи: 81
24-02-2022 дата публикации

PROCESSES FOR CONVERTING C2-C5 HYDROCARBONS TO GASOLINE AND DIESEL FUEL BLENDSTOCKS

Номер: US20220056343A1
Автор: "DAcosta Chris", Hoch Robert, Miller Jeffery
Принадлежит: Swift Fuels, LLC

Methods for the thermal olefination of a methane feedstream involving the thermal cracking of the methane feedstream at selected temperatures and pressures in the absence of a catalyst, steam or added oxygen. The methane feedstream contains greater than 85 wt % methane, and the thermal cracking produces an effluent stream containing greater than 20 wt % ethylene. Thermal cracking is optionally performed at less than 1,100° C., and in some embodiments at 850-900° C. The methane feedstream optionally contains greater than 95 wt % methane and produces an effluent stream containing greater than 30 wt % olefins. Methane in the effluent stream may be recycled to the methane feedstream. 1. (canceled)2. A method for methane thermal olefination comprising thermal cracking a methane feedstream comprising more than 85 wt % methane at a temperature of less than 1 ,100° C. and a pressure of at most 150 psig , the thermal cracking being performed without a catalyst and without steam to yield an effluent stream containing greater than 20 wt % ethylene.3. The method of in which methane in the effluent stream is recycled to the feedstream for the thermal cracking.4. The method of in which the thermal cracking is performed without added oxygen.5. The method of in which the methane feedstream comprises more than 95 wt % methane feedstream and the effluent stream contains greater than 30 wt % olefins.6. The method of in which the thermal cracking is performed at 850-900° C.7. The method of in which the effluent stream is passed through a hydrogen separator to separate the ethylene from hydrogen and methane in the effluent stream.8. The method of in which the separated methane is recycled to the feedstream for the thermal cracking.9. The method of in which the thermal cracking is performed at 50° C. and 1 atmosphere pressure yielding an effluent stream comprising hydrogen claim 2 , methane claim 2 , benzene and acetylene.10. The method of in which alumina is provided during thermal ...

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Номер записи: 82
24-02-2022 дата публикации

Process for removing sulfur in crude oil using microwaves

Номер: US20220056344A1
Автор: Jamal Chaouki, Mai ATTIA, Sherif Farag
Принадлежит: Greenovel Inc

The present invention relates to a process for removing sulfur (S)-containing compounds in crude oil material. The process comprises causing the crude oil material to react with a removing agent, which comprises a phosphoric acid ester, and an aqueous phase in the presence of microwaves. The process of the invention is applied at ambient pressure and relatively low temperature compared to the conventional desulfurization processes. The process of the invention can be readily scaled up and integrated into an industrial facility

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Номер записи: 83
24-02-2022 дата публикации

IONIC LIQUIDS AND METHODS OF USING SAME

Номер: US20220056345A1
Автор: Ishpinder Kailey, Stewart Sean, Weers Jerry
Принадлежит:

Ionic liquid containing compositions may be used in the production, recovery and refining of oil and gas. In addition, they may be used to treat wastewater and/or to inhibit and/or prevent fouling of contaminants onto surfaces. 1. (canceled)2. (canceled)3. (canceled)4. (canceled)5. (canceled)6. (canceled)7. (canceled)8. (canceled)9. (canceled)10. (canceled)11. (canceled)12. (canceled)13. (canceled)14. (canceled)15. (canceled)16. (canceled)17. (canceled)18. (canceled)19. (canceled)20. (canceled)21. (canceled)22. (canceled)23. (canceled)24. (canceled)25. (canceled)26. (canceled)27. (canceled)28. (canceled)29. (canceled)30. (canceled)33. The method of claim 32 , wherein R claim 32 , R claim 32 , R claim 32 , R claim 32 , R claim 32 , Rand Rare independently —H or a Calkyl and/or the anion is a halide selected from the group consisting of —Cl claim 32 , —Br claim 32 , —F or —I.35. A method of treating a hydrocarbon containing fluid to:(a) inhibit or prevent the formation or precipitation of asphaltenes in the fluid; or [{'br': None, 'sup': 1', '2', '3', '4', '+', '−, 'RRRRNX\u2003\u2003(IV); or'}, {'br': None, 'sup': 1', '2', '3', '+', '8', '+', '5', '6', '7', '−, 'RRRNRNRRRX\u2003\u2003(V)'}], '(b) remove or reduce sulfur containing compounds in the fluid, the method comprising contacting the fluid with an ionic liquid of the formula{'sup': 1', '2', '3', '4', '5', '6', '7', '8, 'X is an anion selected from the group consisting of halides; hydroxyl; carbonates; alkyl carbonates; bicarbonates; carboxylates; hydroxycarboxylates; sulfonates; sulfates; bisulfites; thiocyanates; dithiocarbonates; dithiocarbonates; trithiocarbonates; carbamates; dithiocarbamates; trithiocarbamates; xanthates; sulfides; polysulfides; alkoxides; anionic ureas; anionic alkyl substituted phosphines; anionic amino fatty acids; anionic alkoxylated fatty acids; anionic acrylamido-methyl propane sulfonate/acrylic acid copolymers; anionic phosphated maleic copolymers; anionic metal complexes; sulfur ...

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Номер записи: 84
15-02-2018 дата публикации

METALLO-SILICATE CATALYST (MSC) COMPOSITIONS, METHODS OF PREPARATION AND METHODS OF USE IN PARTIAL UPGRADING OF HYDROCARBON FEEDSTOCKS

Номер: US20180043341A1
Автор: CARBOGNANI Lante Antonio, PEREIRA ALMAO Pedro, PEREZ ZURITA Maria Josefina, SMITH Ronald Scott, SOSA Clementina, Vitale-Rojas Gerardo
Принадлежит:

The invention relates to the preparation of novel bi- or tri metallic silicate micro-porous and/or meso-porous materials based on cerium, nickel, copper and/or zinc on a porous silicate framework matrix to use its molecular sieve effect to target preferentially the acidic organic molecules present in hydrocarbon feedstocks like crude oil, bitumen, VGO and the like. The chosen metals are selected based on their ability to activate steam and transfer oxygen for completing the oxidation of carboxylic compounds or decarboxylating them. These composite materials can be prepared under hydrothermal synthesis conditions in order to produce suitable porous solids where the metals are well dispersed and preferentially distributed inside the channels of the silicate framework where they can interact only with the molecules that can go inside the channels. According to the invention, the metallo-silicate materials are prepared under hydrothermal synthesis conditions Modification of the physical-chemical properties of the porous silicate materials can be accomplished by partial replacement of the silicon atoms by cerium, nickel, copper and/or zinc atoms in the material by isomorphous substitutions of these elements in a synthesis gel or by post-synthesis modifications like ion-exchange or impregnation/deposition. The materials can be used as prepared catalysts for the steam catalytic reduction of the total acid number (TAN) in acidic crude oil feedstocks and in the presence of steam and/or COas oxidizing agent to complete decarboxylation and to keep the metal oxide active sites from reducing and deactivating as well as other partial upgrading reactions. 1. A method for partially upgrading a feedstock of produced hydrocarbons , the method comprising the step of:exposing the produced hydrocarbons to a micro-porous or meso-porous catalyst structure having an embedded catalytic phase, which partially upgrades the produced hydrocarbons under conditions to promote partial upgrading.2. ...

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Номер записи: 85
18-02-2016 дата публикации

Hydrocarbon Upgrading

Номер: US20160046874A1
Автор: Abdelmalek Beshoy, Callander Derrick B., JR. Rodney S., Moran Michael, Nierode Mark A., Smith
Принадлежит:

The invention relates to hydrocarbon streams containing impurities such as carbon oxysulfides, to processes for upgrading the hydrocarbons by removing at least a portion of the impurities therefrom, to equipment useful in such processes, and to the use of upgraded hydrocarbons for, e.g., chemical manufacturing. 1. A hydrocarbon upgrading process , comprising:{'sub': 3', '2', '3−, '(a) providing a feed stream, the feed stream comprising (i) Chydrocarbon, (ii) one or more of methane, Chydrocarbon, and molecular hydrogen, and (iii) >0.1 ppmm of carbon oxysulfides per mole of the feed stream, wherein the feed stream includes ≧0.1 mole % of C unsaturates per mole of the feed stream;'}{'sub': 2', '3, "(b) exposing at least a portion of the feed stream to a temperature in the range of from −50° C. to −10° C. to (i) extract from the exposed feed stream at least a portion of one or more of the methane, the Chydrocarbons, and the molecular hydrogen and (ii) condense a first raffinate comprising at least a portion of the exposed feed stream's Chydrocarbon and at least a portion of the exposed feed stream's carbon oxysulfides;"}(c) providing at least one active material, the active material comprising at least one metal oxide having activity for converting carbon oxysulfides;{'sub': '3', "(d) exposing at least a portion of the first raffinate to the active material to react ≧50% (molar basis) of the exposed first raffinate's carbon oxysulfides with at least a portion of the active material's metal oxide to (i) convert the reacted metal oxide to an analogous metal sulfide and (ii) produce a conversion product comprising Chydrocarbon, any unconverted carbon oxysulfides, and carbon dioxide; and"}{'sub': '3−', "(e) removing at least a portion of the conversion product's carbon dioxide to produce an upgraded stream comprising ≧90.0% (molar basis) of C hydrocarbon."}2. The process of claim 1 , wherein the carbon oxysulfides comprise ≧90.0% (molar basis) carbonyl sulfide claim 1 , and ...

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Номер записи: 86
14-02-2019 дата публикации

SYSTEM AND METHOD FOR REDUCTION OF THE TOTAL ACID NUMBER IN CRUDE OIL

Номер: US20190048268A1
Автор: Randal Chad Allen
Принадлежит:

The systems and methods reduce the total acid number (TAN) in crude oil. The crude oil, that includes naphthenic acid, is mixed with at least a caustic solution (e.g., sodium hydroxide) to produce a mixture. After mixing, the mixture is pumped to an atomizing tank. The mixture is spray-atomized in the mixing tank to produce a condensed liquid state of the crude oil that settles at the bottom of the atomizer tank and to produce minute droplets (e.g. mist, fog or the like) of the caustic. The minute droplets interact with and neutralize the naphthenic acid in the condensed liquid state of the crude oil for a predefined period of time. As a result, the resulting crude oil in the bottom of the atomizer tank has a reduced TAN and includes salt water. Additionally, the resulting crude oil has a water concentration that does not exceed 0.5%. 1. A system , comprising:a pipe or a mixing tank configured to mix at least a crude oil, having naphthenic acid, with a caustic solution to produce a mixture;an atomizing tank configured to spray-atomize the mixture, wherein the spray-atomizing produces a condensed liquid state of the crude oil that settles at the bottom of the atomizer tank and droplets; anda treatment tank, that after a predetermined time and after the droplets have neutralized the naphthenic acid, receives a resulting crude oil that includes salt water with a reduced total acid number.2. The system of claim 1 , further comprising:the pipe or the mixing tank further configured to mix the at least the crude oil and caustic solution with a dispersant to produce the mixture.3. The system of claim 2 , wherein the dispersant includes at least one of a toluene mixture or an isopropylene mixture.4. The system of claim 3 , wherein the toluene mixture includes sodium hydroxide and toluene and wherein the isopropylene mixture includes sodium hydroxide and isopropylene.5. The system of claim 1 , wherein the caustic solution includes sodium hydroxide and water.6. The system of ...

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Номер записи: 87
13-02-2020 дата публикации

CHEMICAL COMPOSITIONS AND METHODS FOR REMEDIATING HYDROGEN SULFIDE AND OTHER CONTAMINANTS IN HYDROCARBON BASED LIQUIDS AND AQUEOUS SOLUTIONS WITHOUT THE FORMATION OF PRECIPITATES OR SCALE

Номер: US20200048567A9
Автор: ROE Cliffton Lee, SCHWEITZER Linda
Принадлежит:

A treatment process for remediating a contaminated liquid containing more than 5 ppm hydrogen sulfide (HS) and substantially without formation of precipitate, includes steps of steps of adding an aqueous solution containing at least one hydroxide compound at a collective concentration of 35-55 wt % to the contaminated liquid to achieve a concentration of 125-5000 ppm of the hydroxide compounds in the contaminated liquid, adding at least one organic acid and to the liquid to achieve a concentration of 0.01-10 ppm in the contaminated liquid, and dispersing the aqueous solution and the at least one organic acid in the contaminated liquid and allowing the aqueous solution and the at least one organic acid to react with the contaminated liquid for a period of time until a concentration of hydrogen sulfide in the contaminated liquid is reduced to ≤5 ppm. 1. An aqueous based treatment solution for remediating hydrogen sulfide (HS) and other contaminants in liquids and substantially without formation of precipitate , the treatment solution comprising:at least one hydroxide compound;at least one organic acid selected from a group consisting of a fulvic acid and a humic acid; andwater, whereina collective concentration of the at least one hydroxide compound in the treatment solution is in a range of 35-55 weight %,a content of water in the treatment solution is at least 30 weight %, anda collective concentration of the at least one organic acid in the treatment solution is at least 0.01 weight %.2. The treatment solution according to claim 1 , wherein the collective concentration of the at least one hydroxide in the solution is 45-55 weight %.3. The treatment solution according to claim 1 , wherein the treatment solution contains at least two different hydroxide compounds.4. The treatment solution according to claim 1 , wherein the treatment solution contains sodium hydroxide (NaOH) and potassium hydroxide (KOH).5. The treatment solution according to claim 1 , wherein the ...

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Номер записи: 88
22-02-2018 дата публикации

PROCESS FOR REMOVING HEAVY METALS FROM HYDROCARBONS

Номер: US20180051216A1
Автор: Atkins Martin Philip, Holbrey John David, Kuah Yong Cheun
Принадлежит: Petroliam Nasional Berhad (Petronas)

This invention provides a process for removing mercury, from a mercury-containing hydrocarbon fluid. More specifically, the invention relates to a process for the removal of mercury from a mercury-containing hydrocarbon fluid feed comprising the steps of: (i) contacting the mercury-containing hydrocarbon fluid feed with a metal perhalide having the following formula: [M][X] wherein: [M] represents one or more metal cations wherein the metal has an atomic number greater than 36; an atomic radius of at least 50 pm and a 1st ionization energy of less than 750 kJmol; [X] represents one or more perhalide anions; and (ii) obtaining a hydrocarbon fluid product having a reduced mercury content compared to mercury-containing hydrocarbon fluid feed. 1. A process for the removal of mercury from a mercury-containing hydrocarbon fluid feed comprising the steps of: [{'br': None, 'sup': +', '−, '[M][X]'}, {'sup': +', 'st', '−1', '−, 'wherein: [M] represents one or more metal cations wherein the metal has an atomic number greater than 36; an atomic radius of at least 150 pm and a 1ionization energy of less than 750 kJmol; [X]represents one or more perhalide anions; and'}], '(i) contacting the mercury-containing hydrocarbon fluid feed with a metal perhalide having the following formula(ii) obtaining a hydrocarbon fluid product having a reduced mercury content compared to mercury-containing hydrocarbon fluid feed.2. A process according to claim 1 , wherein [M] is selected from an alkali metal or post-transition metal cation.3. A process according to or claim 1 , wherein [M] is selected from rubidium claim 1 , caesium claim 1 , thallium or bismuth cations.4. A process according to any of to claim 1 , wherein [M] is a caesium cation.5. A process according to any of to claim 1 , wherein [X]comprises at least one perhalide anion selected from [I] claim 1 , [BrI] claim 1 , [BrI] claim 1 , [ClI] claim 1 , [Br] claim 1 , [ClBr] claim 1 , [BrCl] claim 1 , [ICl] claim 1 , or [Cl].6. A process ...

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Номер записи: 89
22-02-2018 дата публикации

CHEMICAL PROCESS FOR SULFUR REDUCTION OF HYDROCARBONS

Номер: US20180051217A1
Автор: "OBRIEN Timothy J.", Morgan Waynn C., Weers Jerry J.
Принадлежит: Baker Hughes, a GE company, LLC

Treatment of hydrocarbon streams, and in one non-limiting embodiment refinery distillates, with reducing agents, such as borohydride and salts thereof, alone or together with at least one co-solvent results in reduction of the sulfur compounds such as disulfides, mercaptans, thiophenes, and thioethers that are present to give easily removed sulfides. In one non-limiting embodiment, the treatment converts the original sulfur compounds into hydrogen sulfide or low molecular weight mercaptans that can be extracted from the distillate with caustic solutions, hydrogen sulfide or mercaptan scavengers, solid absorbents such as clay or activated carbon or liquid absorbents such as amine-aldehyde condensates and/or aqueous aldehydes. 2. The method of where the sulfur compound is selected from the group consisting of mercaptans having the formula R—S—H where R is a linear or branched C1 to C4 alkyl group claim 1 , carbon disulfide (CS) claim 1 , carbonyl sulfide (COS) claim 1 , dialkyl sulfides having the formula R—S—Rwhere Rand Rare independently linear or branched C1 to C4 alkyl groups claim 1 , dialkyl disulfides having the formula R—S—S—R claim 1 , unsubstituted and substituted thiophenes claim 1 , and combinations thereof.3. The method of where the hydrocarbon stream comprises liquid or gas hydrocarbons selected from the group consisting of C1 to C12 alkanes claim 1 , C2 to C12 alkenes claim 1 , liquefied petroleum gas claim 1 , natural gas claim 1 , fuel gas claim 1 , flare gas claim 1 , naphtha claim 1 , gasoline claim 1 , kerosene claim 1 , diesel fuel claim 1 , and mixtures thereof.4. The method of where the at least one co-solvent is a Lewis base co-solvent selected from the group consisting of ethers claim 1 , dialkyl sulfides claim 1 , amines claim 1 , mono- and polyhydric alcohols claim 1 , and mixtures thereof.5. The method of where the co-solvent is selected from the group consisting of a mono- and polyhydric alcohols having from 1 to 8 carbon atoms.6. The ...

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Номер записи: 90
15-05-2014 дата публикации

Method for determining the effectiveness of asphaltene dispersant additives for inhibiting or preventing asphaltene precipitation in a hydrocarbon-containing material subjected to elevated temperature and pressure conditions

Номер: US20140130581A1
Автор: Cesar Ovalles, Estrella Rodgel
Принадлежит: Chevron USA Inc

Disclosed herein is a method for determining the effectiveness of one or more asphaltene dispersant additives for inhibiting or preventing asphaltene precipitation in a hydrocarbon-containing material subjected to elevated temperature and pressure conditions.

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Номер записи: 91
15-05-2014 дата публикации

REACTION SYSTEM AND PRODUCTS THEREFROM

Номер: US20140131256A1
Автор: DeLancey Thomas W., Litz Kyle E., Rankin Jonathan P., Thompson Timothy A., Vreeland Jennifer L.
Принадлежит: AUTERRA, INC.

A reaction system and method for removing heteroatoms from oxidized-heteroatom-containing hydrocarbon streams and products derived therefrom are disclosed. An oxidized-heteroatom-containing hydrocarbon feed is reacted in a reaction system thereby forming non-ionic hydrocarbon products. The products derived therefrom are useful as transportation fuels, lubricants, refinery intermediates, or refinery feeds. 1. A reaction method for reducing a heteroatom content , reducing a total acid number , and increasing API gravity of an oxidized-heteroatom-containing hydrocarbon feed stream comprising:providing an oxidized-heteroatom-containing hydrocarbon feed stream through a feed inlet region;providing a contact region, the contact region having a molten mixture of sodium hydroxide, potassium hydroxide and a polyol operatively positioned therein;contacting the oxidized-heteroatom-containing hydrocarbon feed stream in the contact region thereby producing a substantially non-ionic hydrocarbon product having a reduced concentration of oxidized-heteroatom compounds than the oxidized-heteroatom-containing hydrocarbon feed stream that entered through the feed inlet region;reducing a total acid number, and increasing API gravity; andremoving the substantially non-ionic hydrocarbon products from the feed stream.2. The reaction method of claim 1 , wherein the polyol is selected from the group consisting of ethylene glycol claim 1 , propylene glycol claim 1 , glycerol claim 1 , pinacol and a combination thereof.3. The reaction method of claim 1 , wherein the non-ionic hydrocarbon is an unsubstituted aromatic hydrocarbon.4. The reaction method of claim 3 , wherein the unsubstituted aromatic hydrocarbon is an unsubstituted biphenyl.5. The reaction method of claim 1 , wherein the step of contacting the oxidized-heteroatom-containing hydrocarbon feed stream in the contact region produces an SOcontaining compound.6. The reaction method of claim 5 , wherein the SOcontaining compound is a ...

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Номер записи: 92
26-02-2015 дата публикации

Method for cavitation-assisted refining, degumming and dewaxing of oil and fat

Номер: US20150057460A1
Автор: Igor Gorodnitsky, Roman Gordon, Varvara Grichko
Принадлежит: Cavitation Technologies Inc

A method for degumming and/or refining crude oil containing impurities involving mixing the crude oil with degumming agents, i.e., water or acid, and subjecting the mixture to flow-through, hydrodynamic cavitation processing. The cavitational processing transfers impurities in the crude oil to a water phase for easier separation. The water phase may be separated from the oil phase by commonly available separation methods.

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Номер записи: 93
10-03-2022 дата публикации

PROCESS FOR PREPARING A HYDRO-TREATING CATALYST COMPOSITION FOR PRODUCING ULTRA-LOW SULFUR DIESEL

Номер: US20220072526A1
Автор: KANTHASAMY Ramasubramanian, Kapur Gurpreet Singh, KARTHIKEYAN Mani, PULIKOTTIL Alex Cheru, RAMAKUMAR Sankara Sri Venkata, Sau Madhusudan, XAVIER Kochappilly Ouseph
Принадлежит: INDIAN OIL CORPORATION LIMITED

A process for preparation of catalyst to produce ultra-low sulfur diesel (ULSD) from high refractory sulfur feedstock. The catalyst composition comprises a modified alumina carrier, impregnated by metal of group VIB is in the range of 15-25% and metal of group VIIIB is in the range of 1-5% as oxides. The catalyst prepared in the present invention produces highly dispersed MoS2 active sites on the modified carrier. The catalyst produces ultra low sulfur diesel (ULSD) along with improved cetane, density reduction and endpoint reduction. 2. The process as claimed in claim 1 , wherein alumina powder is selected from the group boehmite alumina claim 1 , pseudo-boehmite alumina claim 1 , gamma alumina claim 1 , alpha alumina claim 1 , and mixtures thereof.3. The process as claimed in claim 1 , wherein extrudates of step b are dried at 100-130° C. for 8-16 hours and calcinated in air at 450-600° C. for 1-5 hrs.4. The process as claimed in claim 1 , wherein the inorganic acid used for peptizing is selected from a group consisting of nitric acid claim 1 , hydrochloric acid claim 1 , formic acid claim 1 , sulfuric acid claim 1 , or a mixture thereof in a concentration range of 0.5-3 wt % of alumina powder.5. The process as claimed in claim 1 , wherein organic additive of step (c) is selected from a group of glycol claim 1 , glycerol claim 1 , and sorbitol claim 1 , in a range of 1 to 20% wt of the total weight of the carrier claim 1 , preferably 5 to 10% wt.6. The process as claimed in claim 1 , wherein metal of group VIB is in the range of 15-25% whereas the metal from group VIIIB is in the range of 1-5% as oxides of the total weight of the catalyst composition.7. The process as claimed in claim 1 , wherein the Group VIIIB metal is selected from Ni or Co and wherein the Group VIB metal is selected from Mo or W.8. The process as claimed in claim 1 , wherein organic additive of step (e) is selected from amine group containing compounds such as ethylamine claim 1 , ethanolamine ...

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Номер записи: 94
03-03-2016 дата публикации

STABILIZATION OF JET FUEL

Номер: US20160060545A1
Автор: Elsen Heather A., GREANEY Mark A., MENNITO Anthony S., QIAN Kuangnan, Quann Richard J.
Принадлежит: EXXONMOBIL RESEARCH AND ENGINEERING COMPANY

The stability of distillate type jet fuels is improved by cathodic hydrogenation in an electrolytic cell with a proton permeable membrane separating cathode and anode compartments; a source of hydrogen is oxidized in the anode compartment to form protons which permeate the membrane to effect a cathodic reduction of the nitrogenous components of the fuel in the cathode compartment. 1. A method for the denitrogenation of a distillate boiling range jet fuel which comprises cathodically hydrogenating nitrogenous components of the fuel in a cathode compartment of a divided electrolytic cell having a proton permeable membrane separating the cathode compartment from an anode compartment in which a source of hydrogen is anodically oxidized to form protons.2. A method according to in which the proton permeable membrane comprises a membrane electrode assembly comprising a having a catalytic anode surface and a catalytic cathode surface on opposing surfaces of the membrane.3. A method according to in which the proton permeable membrane comprises an ionomer.4. A method according to in which the proton permeable membrane comprises sulfonated poly(tetrafluoroethylene).5. A method according to in which the catalytic anode surface comprises a noble metal.6. A method according to in which the catalytic anode surface comprises platinum or palladium.7. A method according to in which the catalytic cathode surface comprises a an electrically conductive catalytic material having hydrogenation activity.8. A method according to in which the catalytic cathode surface comprises a finely divided Raney-type metal.9. A method according to in which the catalytic cathode surface comprises a noble metal.10. A method according to in which the catalytic cathode surface comprises platinum or palladium.11. A method according to which is carried out at a temperature of not more than 80° C.12. A method according to in which the distillate boiling range jet fuel comprises a kerosene having an initial ...

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Номер записи: 95
21-02-2019 дата публикации

PROCESS FOR REMOVING MERCURY FROM CRUDE OIL

Номер: US20190055477A1
Автор: BJÖRN Erik L., FRECH Wolfgang, III Charles J., LAMBERTSSON Lars T., Lord
Принадлежит:

Methods, systems and designs are provided for removing mercury from crudes. Crude oil containing a synthetic reducing agent is heated to a temperature above 100° C. and held at that temperature for a specified period of time to convert all of the forms of mercury in the oil into the elemental mercury form. The elemental mercury is then stripped from the crude oil by e.g., flashing the hot oil and/or contacting it with a gas phase. 1. A method of removing mercury from crude oil , comprising:a) mixing a synthetic reducing agent with a crude oil comprising mercury in various forms to form a crude oil mixture;b) heating said crude oil mixture to at least 100° C. and less than 200° C. until at least 95% of the mercury in various forms is converted to elemental mercury;c) converting the elemental mercury to gaseous elemental mercury; andd) removing the gaseous elemental mercury from said crude oil.2. The method of claim 1 , wherein said synthetic reducing agent is an organic phosphite.3. The method of claim 2 , wherein said organic phosphite is selected from a group comprising triphenyl phosphite claim 2 , tributyl phosphite claim 2 , dibutyl phosphite claim 2 , triethyl phosphite claim 2 , diethyl phosphite claim 2 , trimethyl phosphite claim 2 , dimethyl phosphite or combinations thereof.4. The method of claim 3 , wherein said organic phosphite is dimethyl phosphite.5. The method of claim 1 , wherein said heating is between 100° C-180° C.6. The method of claim 1 , wherein said heating is between 120-150° C.7. The method of claim 1 , where said converting step is by flashing.8. The method of claim 1 , where said converting step is by gas stripping.9. The method of claim 1 , where said removing step is by condensation claim 1 , precipitation claim 1 , or absorption claim 1 , adsorption claim 1 , or combinations thereof.10. An improved method of removing mercury from crude oil claim 1 , the method comprising contacting a liquid hydrocarbon stream having mercury ...

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Номер записи: 96
04-03-2021 дата публикации

LOW-SULFUR AROMATIC-RICH FUEL OIL BLENDING COMPONENT

Номер: US20210062096A1
Автор: Hodgkins Robert Peter, KOSEOGLU Omer Refa
Принадлежит: Saudi Arabian Oil Company

Refinery processes, systems, and compositions for making an aromatic blending component for fuel oil, and a fuel oil blend using the same. Valuable hydrocarbons like kerosene can be reduced or eliminated from fuel oil blends by adding certain aromatic blending components derived from the aromatic bottoms stream of an aromatic recovery complex. The aromatic blending component can be used in lieu of more costly hydrocarbon streams to decrease the overall viscosity of the fuel oil blend without adding sulfur. 1. A method for making a fuel oil blend comprising the steps of:supplying an aromatic bottoms;supplying an aromatic blending component from the aromatic bottoms;blending the aromatic blending component with bulk fuel oil components to produce a fuel oil blend; wherein the bulk fuel oil components comprise a hydrocarbon component selected from the group consisting of: vacuum residue oil, light gas oil, kerosene, fluid catalytic cracking decant oil (FCC DCO), visbroken residues, delayed coking liquids, and combinations of the same.2. The method of claim 1 , wherein the aromatic blending component comprises straight-run aromatic bottoms.3. The method of claim 1 , wherein the step of supplying an aromatic blending component from the aromatic bottoms further comprises hydrodearylating the aromatic bottoms to produce hydrodearylated aromatic bottoms;fractionating the hydrodearylated aromatic bottoms to obtain a heavy hydrodearylated aromatic bottoms;wherein the aromatic blending component comprises heavy hydrodearylated aromatic bottoms.4. The method of claim 3 , wherein the heavy hydrodearylated aromatic bottoms has an initial boiling point above 180° C.5. The method of claim 3 , wherein the heavy hydrodearylated aromatic bottoms comprises Caromatics.6. The method of claim 1 , wherein the step of supplying an aromatic blending component from the aromatic bottoms further comprises fractionating the aromatic bottoms to obtain a heavy aromatic bottoms claim 1 , and ...

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Номер записи: 97
22-05-2014 дата публикации

DEVICE AND METHOD FOR UPGRADING PETROLEUM FEEDSTOCKS AND PETROLEUM REFINERY STREAMS USING AN ALKALI METAL CONDUCTIVE MEMBRANE

Номер: US20140138284A1
Автор: Alvare Javier, Gordon John Howard
Принадлежит:

A reactor has two chambers, namely an oil feedstock chamber and a source chamber. An ion separator separates the oil feedstock chamber from the source chamber, wherein the ion separator allows alkali metal ions to pass from the source chamber, through the ion separator, and into the oil feedstock chamber. A cathode is at least partially housed within the oil feedstock chamber and an anode is at least partially housed within the source chamber. A quantity of an oil feedstock is within the oil feedstock chamber, the oil feedstock comprising at least one carbon atom and a heteroatom and/or one or more heavy metals, the oil feedstock further comprising naphthenic acid. When the alkali metal ion enters the oil feedstock chamber, the alkali metal reacts with the heteroatom, the heavy metals and/or the naphthenic acid, wherein the reaction with the alkali metal forms inorganic products. 1. A method of de-acidifying an oil feedstock comprising:obtaining a quantity of a first oil feedstock, the first oil feedstock comprising napthenic acids; andreacting the quantity of the first oil feedstock with an alkali metal to form a de-acidified oil feedstock, wherein the alkali metal reacts with the napthenic acids, wherein the de-acidified oil feedstock has a TAN value that is lower than a TAN value of the first oil feedstock.2. The method as in claim 1 , wherein the alkali metal comprises lithium claim 1 , sodium and/or alloys thereof.3. The method of claim 1 , wherein the first oil feedstock has a TAN value of greater than or equal to 1 and the de-acidified oil feedstock has a TAN value that is less than or equal to 1.4. The method as in claim 1 , wherein a chamber houses the quantity of first oil feedstock claim 1 , wherein the alkali metal is formed in situ from alkali metal ions within the chamber and reacts with the first oil feedstock within the chamber.5. The method as in claim 4 , wherein reacting the quantity of the first oil feedstock with an alkali metal to form a de- ...

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Номер записи: 98
05-03-2015 дата публикации

COMPOUND OF BIODEGRADABLE SURFACTANTS FOR SEPARATING IMPURITIES IN A HYDROCARBON

Номер: US20150065402A1
Автор: Labarca Finol Osmerio Enrique, Reyes Lopéz Rixio Egardo
Принадлежит:

Compounds of biodegradable surfactants useful for optimizing the separation of impurities typical of hydrocarbons, and designed to intervene and stabilize the molecular structure of crude oil, with no significant alterations of the crude's intrinsec composition are disclosed. The biodegradable surfactants compounds coexist with a non-ionic surfactant and an organic mix in emulsion form with the purpose of isolating crude from the pipeline, reduce friction to improve crude flow and to enter the crude macromolecule to modify the hydrocarbon chain to reduce its density and thus its viscosity; including compounds of biodegradable surfactants that comprise sodium hydroxide N, potassium chloride, sulphonic acid, dodecanoic acid, nonylphenol, terpene- and water, preferably hard water. 15-. (canceled)6. The process of using a compound of biodegradable surfactants , comprising sodium hydroxide 1N , potassium chloride , sulphonic acid , dodecanoic acid , nonylphenol , terpene-1 and water , for cleaning crude formations and facilities , for dissolving waxes , asphaltene and other component precipitates in the crude , for enhancing the physico-chemical properties of the crude such as viscosity , density , API gravity , water/crude emulsion content , reduction of acidity and stimulation of crude production.7. The process of using the compound of biodegradable surfactants of for treating different kinds of crude oil claim 6 , bitumen claim 6 , greases claim 6 , oily sands and crude oil spills. This application is a claims benefit of Serial No. MX/a/2012/000253, filed 2 Jan. 2012 in Mexico and which application is incorporated herein by reference. To the extent appropriate, a claim of priority is made to the above disclosed application.The compound of biodegradable surfactants of the present invention has been produced for optimizing the separation of impurities usually found in hydrocarbons, and it is designed to intervene and stabilize the molecular structure of crude oil, ...

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Номер записи: 99
28-02-2019 дата публикации

CRYSTALLINE TRANSITION METAL MOLYBDOTUNGSTATE

Номер: US20190060873A1
Автор: Koster Susan C., Miller Stuart R.
Принадлежит:

A hydroprocessing catalyst has been developed. The catalyst is a crystalline transition metal molybdotungstate material or metal sulfides derived therefrom, or both. The hydroprocessing using the crystalline transition metal molybdotungstate material may include hydrodenitrification, hydrodesulfurization, hydrodemetallation, hydrodesilication, hydrodearomatization, hydroisomerization, hydrotreating, hydrofining, and hydrocracking. 2. The crystalline transition metal molybdotungstate material of wherein the crystalline transition metal molybdotungstate material is present in a mixture with at least one binder and wherein the mixture comprises up to 25 wt-% binder.3. The crystalline transition metal molybdotungstate material of wherein the binder is selected from the group consisting of silicas claim 2 , aluminas claim 2 , and silica-aluminas.4. The crystalline transition metal molybdotungstate material of wherein M is nickel or cobalt.5. The crystalline transition metal molybdotungstate material of wherein M is nickel.6. The crystalline transition metal molybdotungstate material of wherein the crystalline transition metal molybdotungstate material is sulfided.8. The method of wherein the recovering is by filtration or centrifugation.9. The method of further comprising adding a binder to the recovered crystalline transition metal molybdotungstate material.10. The method of wherein the binder is selected from the group consisting of aluminas claim 9 , silicas claim 9 , alumina-silicas claim 9 , and mixtures thereof.11. The method of further comprising sulfiding the recovered crystalline transition metal molybdotungstate material.12. The method of wherein the reacting is conducted under atmospheric pressure or autogenous pressure.13. The method of further comprising intermittent mixing during the reacting.14. The method of wherein the temperature is varied during the reacting.15. The method of further comprising at least one of:sensing at least one parameter of the ...

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Номер записи: 100