Устройство стабилизации pH воды в блоке удаления аммонийного азота из промывочной воды цеолитовых фильтров

Изобретение относится к области аквакультуры и может быть использовано для применения в установках замкнутого водоснабжения (УЗВ), предназначенных для выращивания гидробионтов. Устройство стабилизации рН воды в блоке удаления аммонийного азота из промывочной воды цеолитовых фильтров состоит из блока автоматики и управления (1) с установленной программой для ЭВМ «Программа управления параметрами воды в УЗВ», емкостью для сухого NaOH (2), транспортера (3), циркуляционного насоса (4), емкости для растворения сухого NaOH (5), танка с промывочной водой (6), второй емкости для отстоя (7), насоса отвода воды с высокой концентрацией рН (8), первой емкости для отстоя (9), насоса подачи воды с низкой концентрацией рН (10), блока отвода осадочных фракций (11), насоса перемещения осадочных фракций (12), фильтра (13), первого затвора (14), второго затвора (15), третьего затвора (16), четвертого затвора (17), пятого затвора (18), шестого затвора (19) и седьмого затвора (20). При этом входы и выходы упомянутых ...

СИЛИКАТ АЛЮМИНИЯ И СПОСОБ ЕГО ПОЛУЧЕНИЯ

1. Силикат алюминия, представленный формулой (I):где 0,12≤x≤1,3, 5,0≤m≤15,0, и 5≤n≤15, причем содержание NaO составляет от 1,5 до 11,0 вес.%, и по меньшей мере 50% атомов алюминия являются тетра-координированными атомами алюминия.2. Силикат алюминия по п. 1, кристаллическая структура которого, согласно методу порошковой рентгеновской дифракции, является аморфной.3. Способ получения силиката алюминия, включающий стадии:(1) взаимодействия водорастворимого силиката с водорастворимой солью алюминия с достижением отношения (Si/Al) атомов кремния, содержащихся в водорастворимом силикате, к атомам алюминия, содержащимся в водорастворимой соли алюминия, в интервале от 2,5 до 7,5, с получением реакционного раствора, имеющего pH от 3,5 до 10,5;(2) выдерживания реакционного раствора при 60-120ºC в течение 0,5-3 часов;(3) осуществления разделения "жидкость-твердая фаза" реакционного раствора с получением фильтровального осадка; и(4) промывки и сушки фильтровального осадка.4. Способ получения по п. 3, в котором водорастворимый силикат является силикатом натрия.5. Способ получения по п. 3, в котором водорастворимая соль алюминия является сульфатом алюминия.6. Способ снижения содержания ионов цезия в водном растворе, содержащем ионы цезия, путем приведения водного раствора в контакт с силикатом алюминия, в котором- силикат алюминия имеет следующую формулу (I):где 0,12≤x≤1,3, 5,0≤m≤15,0, и 5≤n≤15,- содержание NaO в силикате алюминия составляет от 1,5 до 11,0 вес.%, и- по меньшей мере 50% атомов алюминия являются тетра-координированными атомами алюминия.7. Способ по п. 6, в котором силикат алюминия, согласно методу порошковой рентгеновской дифракции, имеет аморфную структуру. РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (51) МПК C01B 33/26 (13) 2014 153 007 A (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ЗАЯВКА НА ИЗОБРЕТЕНИЕ (21)(22) Заявка: 2014153007, 31.05.2013 (71) Заявитель(и): КИОВА КЕМИКАЛ ИНДАСТРИ КО., ЛТД. (JP) Приоритет(ы): (30) Конвенционный приоритет: ...

ЦЕЛОИТНЫЕ МАТЕРИАЛЫ ТИПА СНА И СПОСОБЫ ИХ ПОЛУЧЕНИЯ С ИСПОЛЬЗОВАНИЕМ КОМБИНАЦИЙ ЦИКЛОАЛКИЛ- И ТЕТРААЛКИЛАММОНИЕВЫХ СОЕДИНЕНИЙ

ИОНООБМЕННАЯ КОЛОННА, ВНУТРИ КОТОРОЙ ПРЕДУСМАТРИВАЕТСЯ УМЕНЬШЕНИЕ СОДЕРЖАНИЯ РАДИОЛИТИЧЕСКОГО ВОДОРОДНОГО ГАЗА

Ion exchange materials

Functional transition metal silicates (FTMS).

er streams of a mineral processing plant using zeoA method for the removal of organic chemicals and organometallic complexes from process water or othlite

Functional transition metal silicates (FTMS).

Functional transition metal silicates

er streams of a mineral processing plant using zeoA method for the removal of organic chemicals and organometallic complexes from process water or othlite

Functional transition metal silicates (FTMS).

er streams of a mineral processing plant using zeoA method for the removal of organic chemicals and organometallic complexes from process water or othlite

PROCEDURE FOR THE PRODUCTION OF A PULVEROUS ZEOLITHI MOLECULAR SIEVE OF THE TYPE A

COLORING MATERIAL LOADED ZEOLITES

Procedure for the production of a means for the softening, Entmanganung and Enteisenung of water, as well as for the execution of other, on base exchange being based reactions.

MAJORITY-POROUS MOLECULAR SIEVES WITH MINDENSTENS A OCTAHEDRI POSITION AND TETRAHEDRI POSITIONS OF AT LEAST ONE TYPE

AMMONIA DISTANCE FROM WASTE WATER.

Process for removal of oxygenates from a paraffin stream

Production of improved microporous zirconium silicate

The present invention relates to novel microporous zirconium silicate compositions having a desired particle size distribution and methods of making those compositions. These compositions have an ideal particle size distribution for use ...

Sulfides electrolyte for metal processing and extraction

A method includes contacting a metallic compound comprising a first metallic cation, with a melt comprising a metallic polysulfide comprising a second metallic cation, thereby forming a molten metallic polysulfide of the first metallic cation. The method also includes cooling the melt to form a sulfur phase and a solid phase comprising the molten metallic polysulfide of the first metallic cation.

REMOVAL OF AMMONIA FROM WASTEWATER USING ZEOLITE IN CYCLIC PROCESS

TREATMENT OF METAL PLATING WASTES WITH AN UNEXPANDED VERMICULITE CATION EXCHANGE COLUMN

BFN 6641 TREATMENT OF METAL PLATING WASTES WITH AN UNEXPANDED VERMICULITE CATION EXCHANGE COLUMN Multivalent heavy metal ions are removed from metal plating waste streams by passing them through an unexpanded vermiculite cation exchange column. The column is effective to remove copper, zinc, and nickel ions and mixtures thereof. Where cyanide and cyanidemetal complexes are also present in the plating waste stream, the stream is pretreated to destroy the cyanide and cyanide complexes prior to passage through the ion exchange column.

REMOVAL OF AMMONIA FROM WASTEWATER

MYCOTOXIN ADSORBENTS AND USE THEREOF IN BALANCED ANIMAL FEED.

The invention relates to a highly specific mycotoxin adsorbent for trichothecenes A and B, and especially for vomitoxin (or deoxynivalenol) and T-2 toxin, and to a method for producing said mycotoxin adsorbent. The adsorbent is produced by modifying the surface of an aluminosilicate by means of an organic compound with a functionalised chain which provides it with properties of high polarity. The invention further relates to the use of this type of adsorbent for producing balanced animal food which avoids the toxic effects of the trichothecenes present in the food, and to the use of the combination of said adsorbent with aluminosilicates or organoaluminosilicates for preparing balanced animal food which avoids the toxic effects of the mycotoxins.

ZEOLITE ADSORBENTS HAVING A HIGH EXTERNAL SURFACE AREA AND USES THEREOF

La présente invention concerne l'utilisation, pour la séparation et/ ou le séchage de gaz, d'au moins un matériau adsorbant zéolithique comprenant au moins une zéolithe de type A, ledit adsorbant présentant une surface externe supérieure à 20 m2 · g-1, une teneur en phase non zéolithique (PNZ) telle que 0 < PNZ = 30%, et de ratio atomique Si/AI compris entre 1,0 et 2,0. L'invention concerne également un matériau adsorbant zéolithique présentant un rapport Si/AI compris entre 1,0 et 2,0, un volume mésoporeux compris entre 0,07 cm3 · g-1 à 0,18 cm3 ·g-1, un rapport (Vmicro - Vméso) / Vmicro compris entre -0,3 et 1,0, bornes non incluses, et une teneur en phase non zéolithique (PNZ) telle que 0 < PNZ = 30%.

A METHOD FOR THE REMOVAL OF ORGANIC CHEMICALS AND ORGANOMETALLIC COMPLEXES FROM PROCESS WATER OR OTHER STREAMS OF A MINERAL PROCESSING PLANT USING ZEOLITE

The present invention refers to a method to remove organic chemicals and organometallic complexes (organic heavy metal complexes) using zeolite from process water or tailings streams of a mineral processing plant where diethylenetriamine (DETA) or triethylenetetramine (TETA) is used as a flotation reagent and DETA-metal complexes are found in process water or tailings streams. In a preferred embodiment, the process water or slurry tailings streams of a mineral processing plant containing DETA, DETA-metal complexes and residual heavy metals are contacted with natural zeolite. This can be carried out by adding the natural zeolite to the process streams (slurries) while mixing with a mechanical mixer to efficiently adsorb DETA, DETA-metal complexes and heavy metals from the process streams (slurries) on the zeolite. The loaded zeolite is then discarded with the flotation tailings.

FLUE GAS SCRUBBING

Herein is disclosed a flue gas scrubbing composition, a method of using the flue gas scrubbing composition, and a method of entombing mercury collected with the flue gas scrubbing composition. The Hue gas scrubbing composition includes an admixture of a mercury sorbent material that comprises a clay, copper, and sulfur; and lime that comprises calcium oxide and/or calcium hydroxide. The method of collecting mercury from a flue gas includes injecting the flue gas scrubbing composition of any one of the preceding claims into a flue duct comprising the flue gas; reacting the mercury sorbent material with mercury in the flue gas to form a mercury-sorbed material and thereby reducing the concentration of mercury in the flue gas; reacting the lime with SO2, SO3, and/or HC1 in the flue gas to form a calcium sulfate and/or a calcium chloride; and collecting a mixture that includes the mercury- sorbed material. The method of entombing mercury includes mixing the collected mixture of any one of claims ...

KAOLIN DERIVATIVES

Amorphous derivatives of kaolin group minerals, characterised by high specif ic surfaces and/or high ration exchange capacities and a 27 Al MAS NMR spectrum having a dominant peak at ~55 ppm relative to Al(H2O)6 3+. Such derivatives are prepared by reacting a kaolin group mineral with a reagent such as an alkali metal halide or an ammonium halide which converts the majority of the octahedrally co-ordinated aluminium in the kaolin group mineral to tetrahedrally co- ordinated aluminium. Such derivatives show high selectivity in its ration exchange towards the metals: Pb2+, Cu2+, Cd2+, Ni2+, CO2+, Cr3+, Sr2+ , Zn2+, Nd3+ and UO2 2+.

LARGE-PORED MOLECULAR SIEVES CONTAINING AT LEAST ONE OCTAHEDRAL SITE AND TETRAHEDRAL SITES OF AT LEAST ONE TYPE

... 2084086 9118833 PCTABS00008 A crystalline molecular sieve is disclosed having both at least one octahedrally coordinate metal and at least one tetrahedrally coordinated metal in its framework.

COMPOSITE PARTICULATE MATERIAL AND PROCESS FOR PREPARING SAME

A process for preparing a composite particulate material includes the steps of providing a particulate primary material (16) having a primary softening temperature; providing a particulate support material (18) having a support softening temperature; providing a particulate binder material (20) having a softening temperature which is less than the primary softening temperature and the support softening temperature; mixing the primary material (16), the support material (18) and the binder material (20) so as to provide a substantially uniform mixture; and heating the mixture to a temperature greater than or equal to the softening temperature of the binder material and less than the primary softening temperature and the support softening temperature, whereby the binder material binds the primary material to the support material so as to provide a composite particulate material.

AMMONIUM ION ADSORPTION PROCESS USING ZIRCONIUM SILICATE AND ZIRCONIUM GERMANATE MOLECULAR SIEVES

Ammonium ions are selectively removed from an aqueous stream by contacing the stream at adsorption conditions with a new family of crystalline molecular sieves having a microporous structure of ZrO3 octahedral units, and at least one of SiO2 tetra-hedral units and GeO2 tetrahedral units which can, optionally, contain M metals such as titanium, niobium, or tin. These novel molecular sieves adsorbents are prepared hydrothermally from a reaction mixture composed of reactive sources of the components.

Verfahren zur Enthärtung von Wasser durch basenaustauschende Stoffe.

DETERGENT COMPOSITION

WASH AND CLEANING AGENT.

METHOD FOR ENTRAPPING TOXIC MATERIAL IN A GLASS MATRIX AND A POROUS SILICATE GLASS OR POROUS SILICA GEL FOR CARRYING OUT SAID METHOD.

METHOD OF REMOVAL OF CHEMICAL ORGANIC COMPOUNDS AND ORGANOMETALLIC COMPLEXES FROM WASTE WATER OR OTHER FLOWS MINING - CONCENTRATION PLANT WITH USE OF ZEOLITE

НОВЫЕ ФУНКЦИОНАЛЬНЫЕ СИЛИКАТЫ ПЕРЕХОДНЫХ МЕТАЛЛОВ (FTMS)

Настоящее изобретение предусматривает функциональный силикат переходного металла (FTMS), эффективный в качестве дезактиватора, дезинфектанта, детоксификанта, протектанта, микробицида или их сочетания, содержащий отношение переходного металла к окиси кремния в силикате переходного металла в заданных пределах, и структурную композицию для указанной эффективности, указанный FFMS способен к иммобилизации на соответствующих материалах или включению в смолы и/или покрытия вместе со смолами на соответствующих материалах.

COMPOSITION BASED ON ZIRCONIUM SILICATE FOR PROLONGED USE AND METHODS OF THEIR APPLICATION

ZEOLITE ADSORBENTS WITH LARGE OUTER SURFACE AND THEIR USE

METHODS AND DEVICES FOR IMPROVEMENTS OF REMOVING CONTAMINANTS WITH THE HELP OF RARE-EARTH METALS

Methods of utilizing waste waters produced by water purification processing

Improvements with filters of aerosols, particularly for cigarettes, like with the process and the machine to manufacture them

A METHOD FOR PREPARING an ALUMINOSILICATE POLYMER

ZEOLITE ADSORBENTS HIGH OUTER SURFACE, PROCESS FOR THEIR PREPARATION AND USES THEREOF

AQUEOUS SOLUTION USABLE IN a PROCESS Of IONS EXCHANGE

L'invention concerne une solution aqueuse ayant un pH supérieur à 5, de préférence d'au moins 6. 5, utilisable dans un procédé d'échange ions, en particulier un procédé de fabrication de zéolite. Cette solution aqueuse contient des cations métalliques, tel le zinc, et un agent complexant desdits cations métalliques, tel l'acide citrique ou un sel de cet acide. La proportion de cations libres en solution représente de 0. 1 % à 99 %, de préférence de 1 à 30%, de la quantité totale dudit métal dans la solution. L'invention porte aussi sur un procédé de fabrication de zéolites X ou A mettant en oeuvre une telle solution aqueuse et l'utilisation des zéolites ainsi obtenues pour séparer, purifier ou convertir un ou des constituants d'un flux gazeux, tels l'air, les gaz de synthèse ou les hydrocarbures, notamment les oléfines, par mise en ouvre d'un procédé d'adsorption, notamment de type PSA, VSA ou TSA.

Method for measuring the cationic exchange capacity of clays by percolation

Méthode de mesure de la capacité d'échange cationique des argiles comprenant les étapes: - d'introduction d'une quantité d'argile à analyser dans une colonne chromatographique; - de passage d'une éluant à travers l'argile; et - d'analyse ionique de l'éluant après son passage à travers l'argile. Selon l'invention, la méthode comprend une étape préalable de mélange de la quantité d'argile à analyser avec un support inerte granulaire afin de former un lit filtrant.

METHOD FOR PRODUCING A RAPE PROTEIN ISOLATE

The present invention relates to a method for producing a highly pure rape protein isolate and to a rape protein isolate produced by the method according to the invention.

ION EXCHANGE MATERIALS

A method of selectively removing a target metal cation from a liquid medium containing at least one other metal cation involves the use of an ion exchange material selected from four groups: 1) crystalline materials synthesised from octahedral/tetrahedral co-ordination polyhedra; 2) layered oxide materials, including those with inorganic pillars incorporated between the layers; 3) high silica materials, including those with large mesoporosity; and 4) microporous materials with interstitial cations other than Si or Al in tetrahedral co-ordination. At least one of the pore size, the layer charge density, the interlayer cations and the doping metal cations are controlled to render the ion exchange material selective towards the target metal cation.

METHOD FOR REMOVING HEAVY METALS AND RADIONUCLIDES

A solid ion-exchange material useful for removing heavy metals or radionuclides from an aqueous or gaseous solution comprising a modified clinoptilolite, and methods of using same are provided.

Cation exchange ureteral stent

An endoluminal prosthesis for placing in a body passage of a patient, includes a ureteral stent, the ureteral stent having a generally tubular housing having a proximal end and a distal end and a lumen longitudinally disposed therethrough, with cation-exchange resin beads disposed within the tubular housing, and at least one anchoring mechanism disposed on a distal end of the tubular housing, where at least one retention screen is disposed within the lumen of the ureteral stent configured to retain the plurality of beads.

Leachate and wastewater remediation system

A compact portable modular wastewater treatment system which integrates several processing technologies to provide a substantially purified water source. A wastewater stream is sent through an initial filtration step. The filtered wastewater is then subjected to electrocoagulation and then further filtered. The resulting stream containing substantially only organics is then treated in an advanced oxidation process which can include passing an electrical current through the water during the oxidation process. The partially treated water is then passed through ion-exchange columns to polish ammonium and other contaminants. The ion-exchange columns are cycled through regeneration cycles to provide continuous ion-exchange medium. The ammonium rich brine solution used in regeneration is subjected to an ammonium destruct process and then reused in regenerating ion-exchange columns. The water can then be sent through a final disinfection oxidation process to destroy or inactivate pathogens and ...

Synthesized inorganic ion exchange material and detergent composition containing the same

The synthesized inorganic crystalline ion exchange material has a composition represented by the following general formula in an anhydride form:aX2O.bSiO2.cX'O,wherein X represents Na and K; X' represents Ca, or Ca and Mg; b/a is 1.4 to 2.1; c/a is 0.001 to 0.35; K/Na in X2O is 0.09 to 1.11; Mg/Ca in X'O is 0 to 100; and K2O/SiO2 is 0.06 to 0.25. The synthesized inorganic crystalline ion exchange material exhibits main shift peaks at least at 1080+/-6 cm-1 in Raman scattering spectra in the range of from 900 to 1200 cm-1. The inorganic ion exchange material of the present invention is excellent in cationic exchange capacity, cationic exchange speed, and anti-solubility, making it useful to be used for a water softener and an alkalinity adjusting agent in detergents.

MICROPOROUS ZIRCONIUM SILICATE AND ITS METHOD OF PRODUCTION

The present invention relates to novel microporous zirconium silicate compositions having a desired particle size distribution and methods of making those compositions. These compositions have an ideal particle size distribution for use ex vivo, for example in a dialysis exchange cartridge, yet retain many of the desirable properties of prior improved absorbers including high cation exchange capacity. Further, the new zirconium silicate molecular sieve absorbers can be manufactured using a technique that achieves the desired particle size distribution while eliminating the screening step that was previously necessary. 2. The cation exchange composition of claim 1 , wherein the mean particle size is between 10 and 15 microns.3. An ion exchange column loaded with exchange media claim 1 , wherein the exchange media comprises the cation exchange composition of .4. The composition of claim 1 , wherein the potassium exchange capacity is greater than 3.0 meq/g.5. The composition of claim 1 , wherein the potassium exchange capacity is greater than 4.4 meq/g.6. The composition of claim 1 , wherein the potassium exchange capacity is between 3.7 and 4.7 meq/g.7. A method for making the composition of comprising:providing a reaction mixture comprising sodium silicate and zirconium acetate in a reactor;agitating the reaction mixture with an agitator in the presence of one or more baffle-like structures with an agitation speed within a range of 80 rpm to 350 rpm; andobtaining the cation exchange composition from the reactor.8. The method of claim 7 , further comprising a step of contacting the zirconium silicate with a dilute solution of strong acid and/or water.9. The method of claim 7 , further comprising a step of blending different lots of the cation exchange composition to produce a desired particle size distribution.10. The method of claim 7 , wherein the agitation speed is within the range of 120 and 170 rpm.11. The method of claim 10 , wherein the agitation speed is ...

THE REMOVAL OF HEAVY METALS, ESPECIALLY LEAD, FROM AQUEOUS SYSTEMS CONTAINING COMPETING IONS UTILIZING AMORPHOUS TIN AND TITANIUM SILICATES

A process for the removal of heavy metals such as lead, cadmium, zinc, chromium, arsenic and mercury from aqueous solutions containing one or more of said metals as well as competing ions such as calcium and/or magnesium by contacting said aqueous solution with amorphous titanium or tin silicates is disclosed. Said amorphous titanium and tin silicates are characterized by a silicon-to-titanium or tin molar ratio of from 1:4 to 1.9:1 and a cumulative desorption pore volume ranging from about 0.03 to about 0.25 cubic contimeters per gram.

ИОНООБМЕННЫЕ МАТЕРИАЛЫ, СЕЛЕКТИВНЫЕ К СТРОНЦИЮ И ЦЕЗИЮ

Изобретение относится к ионообменным материалам, способным удалять радионуклиды из воды. Способ селективного удаления радионуклидов стронция из водного потока, содержащего катионы стронция и по меньшей мере один из катионов натрия, калия, кальция или магния, заключается в приведении водного потока в контакт с аморфным силикатом титана, который получают в результате контактирования раствора растворимой соли титана с силикатом натрия и достаточным количеством щелочи при интенсивном перемешивании. Изобретение обеспечивает эффективное и экономически выгодное удаление радионуклидов стронция из водных потоков. 13 з.п. ф-лы, 7 табл., 5 пр.

СОРБЕНТ НА ОСНОВЕ СИЛИКАТА СУРЬМЫ ДЛЯ УДАЛЕНИЯ ИОНОВ МЕТАЛЛОВ

Предложен материал, содержащий легированный силикат сурьмы, в качестве сорбента для удаления ионов металлов, например ионов радиоактивных металлов, из кислотной жидкой среды. Ионы металлов можно селективно удалить из смеси с другими ионами, такими как ионы Na, К, Мg и Са. Предложен способ получения материала на основе силиката сурьмы, применяемого для удаления ионов металлов, легированного одним или более элементами, выбранными из группы, состоящей из вольфрама, ниобия и тантала. Легированный материал особенно эффективен в качестве сорбента для удаления ионов металлов, в частности стронция, из жидкой среды. 4 с. и 6 з.п. ф-лы, 20 ил., 5 табл. Э6бёббгсс ПЧ сэ (19) РОССИЙСКОЕ АГЕНТСТВО ПО ПАТЕНТАМ И ТОВАРНЫМ ЗНАКАМ (51) МПК? ВИ "” 2 219 996” С2 В 01 4 20/10, 20/30, С 21 Е 9/12 12) ОПИСАНИЕ ИЗОБРЕТЕНИЯ К ПАТЕНТУ РОССИЙСКОЙ ФЕДЕРАЦИИ (21), (22) Заявка: 2000131208/15, 13.05.1999 (24) Дата начала действия патента: 13.05.1999 (30) Приоритет: 14.05.1998 СВ 98 10 268.4 24.02.1999 СВ 99 04 169.1 (43) Дата публикации заявки: 20.11.2002 (46) Дата публикации: 27.12.2003 (56) Ссылки: ЗИ 929209 А, 23.05.1982. КЦ 2118856 СЛ, 10.09.1998. 5Ц 1286267 А, 30.01.1987. $И 1156128 А, 23.05.1985. (85) Дата перевода заявки РСТ на национальную фазу: 14.12.2000 (86) Заявка РСТ: СВ 99/01305 (13.05.1999) (87) Публикация РСТ: М/О 99/59161 (18.11.1999) (98) Адрес для переписки: 129010, Москва, ул. Большая Спасская 25, стр.3, ООО "Юридическая фирма Городисский и Партнеры", пат.пов. Е.В.Томской (71) Заявитель: БРИТИШ НЬЮКЛИАР ФЬЮЭЛЗ ПЛС (СВ) (72) Изобретатель: ХАРЬЮЛА Ристо Олави ([|), МОЛЛЕР Йоханна Тересиа (Е!), АМИН Сухеел (СВ), ДАЙЕР Алан (СВ), ПИЛЛИНДЖЕР Мартин (СВ), НЬЮТОН Джонатан Эндрю (СВ), ТУСА Эско Хейкки (Е), ВЕББ Морис (СВ) (73) Патентообладатель: БРИТИШ НЬЮКЛИАР ФЬЮЭЛЗ ПЛС (СВ) (74) Патентный поверенный: Томская Елена Владимировна (54) СОРБЕНТ НА ОСНОВЕ СИЛИКАТА СУРЬМЫ ДЛЯ УДАЛЕНИЯ ИОНОВ МЕТАЛЛОВ (57) Предложен материал, содержащий легированный силикат сурьмы, в качестве сорбента для ...

КОНВЕРСИЯ ГАЗООБРАЗНОГО ДИОКСИДА УГЛЕРОДА В ВОДНЫЕ РАСТВОРЫ ГИДРОКАРБОНАТОВ ЩЕЛОЧНЫХ И/ИЛИ ЩЕЛОЧНОЗЕМЕЛЬНЫХ МЕТАЛЛОВ

1. Способ получения водных растворов гидрокарбонатов щелочных и/или щелочноземельных металлов, включающий следующие стадии:растворение газообразного диоксида углерода, взятого из любого источника, в воде с получением водного раствора, содержащего гидрокарбонаты НСО и дополнительно содержащего катионы гидроксония НО, ивведение твердого катионообменного материала x/nME , который поглощает катионы гидроксония HOв соответствии с уравнением реакции:где "х" означает молярное количество анионных центров заряда катионообменного материала Е , уравновешенных х/n молярным количеством подвижных ионов металла М, "n" означает валентность металла, и "М" выбран из группы, состоящей из элементов групп 1А и 2А Периодической таблицы элементов, где поглощение катионов гидроксония НОповышает выход гидрокарбонатов в соответствии с принципом Ле Шателье.2. Способ по п. 1, дополнительно включающий стадию регенерации использованного катионообменного материала НОЕ посредством ионного обмена с ненасыщенным раствором ионной соли металла M, где количество эквивалентов металла Мсоставляет по меньшей мере 0,5 от количества эквивалентов Е .3. Способ по п. 1, дополнительно включающий стадию регенерации использованного катионообменного материала HOЕ посредством ионного обмена с ненасыщенным раствором ионной соли металла M, при котором катионы гидроксония НОв использованном катионообменном материале НОЕ замещаются новыми катионами М, что делает использованный катионообменный материал НОЕ пригодным для рециклинга согласно следующему уравнению реакции:где Апредставляет собой анион, имеющий валентность "m", выбранный из группы, сос� РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (13) 2014 107 351 A (51) МПК C01D 7/00 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ЗАЯВКА НА ИЗОБРЕТЕНИЕ (21)(22) Заявка: 2014107351/05, 24.07.2012 (71) Заявитель(и): СИЛИКА ДЕ ПАНАМА С.А. (VE) Приоритет(ы): (30) Конвенционный приоритет: 25.07.2011 US 13/136,153 (85) Дата начала ...

ANTIMONSILIKATSORPTIONSMITTEL ZUR ABTRENNUNG VON METALLIONEN

KÖRNIGES VERBUNDMATERIAL UND HERSTELLUNGSPROZESS DAFÜR

METHOD FOR THE DISTANCE OF RADIOISOTOPI CATIONS FROM AN AQUEOUS ENVIRONMENT OF MEANS MODIFICATION CLINOPTILOLIT

VERFAHREN ZUR HERSTELLUNG EINES PULVERFORMIGEN ZEOLITHISCHEN MOLEKULARSIEBES DES TYPS A

PROCEDURE AND DEVICE FOR THE PROCESSING OF WATER BEFORE ITS MIXTURE WITH A PHYTOSANITÄREN PRODUCT

PROCEDURE FOR THE SEPARATION OF BIO MOLECULES FROM LIQUID MEDIA

PROCEDURE FOR BLEACHING AND FOR INCREASING THE ION FROM DIPPING ABILITY OF THE SEPIOLITHS.

Arrangement for image data transmission from examination devices to a computer

ZEOLITE CONTAINING CATION EXCHANGERS, METHODS TO YOUR PRODUCTION AS WELL AS USE

INORGANIC ION EXCHANGE MATERIAL

ZEOLITE SYNTHESIS

Flue gas scrubbing

Herein is disclosed a flue gas scrubbing composition, a method of using the flue gas scrubbing composition, and a method of entombing mercury collected with the flue gas scrubbing composition. The Hue gas scrubbing composition includes an admixture of a mercury sorbent material that comprises a clay, copper, and sulfur; and lime that comprises calcium oxide and/or calcium hydroxide. The method of collecting mercury from a flue gas includes injecting the flue gas scrubbing composition of any one of the preceding claims into a flue duct comprising the flue gas; reacting the mercury sorbent material with mercury in the flue gas to form a mercury-sorbed material and thereby reducing the concentration of mercury in the flue gas; reacting the lime with SO ...

DETERGENT COMPOSITION

ION EXCHANGE COLUMN CONFIGURED TO REDUCE INTERNAL LEVELS OF RADIOLYTIC HYDROGEN GAS

An ion exchange system includes one or more strategies to reduce the amount of hydrogen gas inside an ion exchange column when the column is offline or disposed of. The ion exchange system comprises an ion exchange column including a housing and ion exchange media positioned in the housing. The ion exchange column can include one or more of the following: (1) an oxide material that limits the production of hydrogen gas from radiolysis, (2) a hydrogen scavenging material that removes or scavenges hydrogen gas inside the column, and (3) a hydrogen catalytic material that catalyzes the reaction of hydrogen and oxygen inside the column.

METHOD OF PREPARING ZSM-5 ZEOLITE USING NANOCRYSTALLINE ZSM-5 SEEDS

Disclosed herein is a method of preparing ZSM-5, including: providing a nanocrystalline ZSM-5 seed having a size of 70 ~ 300 nm; adding the nanocrystalline ZSM-5 seed to a stock solution including water glass as a silica source, an alumina source, a neutralizer and water to form a reaction mixture; and maintaining the reaction mixture at 150 ~ 200? to crystallize the reaction mixture. The method is advantageous in that ZSM-5 having small and uniform crystal sizes and including no impurities can be synthesized in a short period of time.

PROCESS FOR REMOVAL OF OXYGENATES FROM A PARAFFIN STREAM

The present invention comprises a process for removal of oxygenates from a paraffin-rich or olefin-rich paraffin stream which comprises passing a fee d stream, comprising one or more C10 to C15 feed paraffins or C10 to C15 ole fin-rich paraffin stream and one or more oxygenates through an adsorbent bed comprising one or more adsorbents selected from silica gel, activated alumi na and sodium x zeolites to remove essentially all of said oxygenates; and r ecovering said paraffins. A second adsorbent bed may be employed to more tho roughly remove these oxygenates.

DELAMINATION OF BOROSILICATE LAYERED ZEOLITE

Provided is a surfactant- free, single-step synthesis of delaminated aluminosilicate zeolites. The process comprises the step of heating a borosilicate zeolite precursor in a metal salt solution, e.g., an aluminum nitrate solution, zinc nitrate solution or manganese nitrate solution. The delaminated aluminosilicate zeolite product is then recovered from the solution.

PRODUCING SOLIDS AND RELATED MOTHER LIQUORS

The present invention relates to novel microporous zirconium silicate compositions having a desired particle size distribution and methods of making those compositions. These compositions have an ideal particle size distribution for use ex vivo, for example in a dialysis exchange cartridge, yet retain many of the desirable properties of prior improved absorbers including high cation exchange capacity. Further, the new zirconium silicate molecular sieve absorbers can be manufactured using a technique that achieves the desired particle size distribution while eliminating the screening step that was previously necessary.

CONVERSION OF GASEOUS CARBON DIOXIDE INTO AQUEOUS ALKALINE AND/OR ALKALINE EARTH BICARBONATE SOLUTIONS

A material with cationic exchanger properties is introduced into aqueous media, where the equilibriums of carbon dioxide dissolution take place. A cationic exchanger material x/nMw E,- is used to capture hydronium cations (H3O+) according to: x/nM+n Ex - (s) + x H3O+ (aq) = xH3O+Ex -(s) + x/nM+n (aq) where "x" stands for molar amount of the anionic centers of charge of the cationic exchanger material Ex- balanced by x/n molar amount of metal M, "n" stands for the metal valence, and M is selected from the group consisting of 1A and/or 2A of the periodic table of elements. This capture of the hydronium cations, H3O+, shifts certain reaction equilibriums to the right, according to Le Chatelier's principle, producing more bicarbonate, HCO3 -, and/or carbonate, CO3 =, than would otherwise be obtained.

PURIFICATION OF ACETIC ACID PRODUCT STREAMS

In one embodiment, the invention is to an ion exchange resin composition comprising a metal-functionalized exchange resin comprising from 3 % to 94 % metal-functionalized active sites; and a non-metal-functionalized exchange resin comprising non-metal-functionalized active sites.

НОВЫЕ ФУНКЦИОНАЛЬНЫЕ СИЛИКАТЫ ПЕРЕХОДНЫХ МЕТАЛЛОВ ( FTMS )

Настоящее изобретение предусматривает функциональный силикат переходного металла (FTMS), эффективный в качестве дезактиватора, дезинфектанта, детоксификанта, протектанта, микробицида или их сочетания, содержащий отношение переходного металла к окиси кремния в силикате переходного металла в заданных пределах, и структурную композицию для указанной эффективности, указанный FFMS способен к иммобилизации на соответствующих материалах или включению в смолы и/или покрытия, вместе со смолами, на соответствующих материалах.

Device for stabilizing concentration of NaCl water in unit removing ammonium nitrogen from washing water zeolite filters

PROCESS FOR THE PRODUCTION OF ZEOLITIC MOLECULAR SIEVES

리튬 공동 투여 없이 고칼륨혈증을 치료하기 위한 규산지르코늄

... 본 발명은 바람직하지 않은 부작용의 유발 없이 증가된 속도로 위장관으로부터, 독소, 예를 들면, 칼륨 이온을 제거하기 위해 제형화된, 신규한 미세다공성 규산지르코늄 조성물에 관한 것이다. 바람직한 제형은 환자에서의 뇨의 pH의 증가를 피하고/하거나 환자의 혈류 내로의 입자의 잠재적 유입을 피하도록 설계한다. 본 발명은 또한, 질환 치료시 미세다공성 규산지르코늄 조성물의 용도에 관한 것이며, 여기서, 대상체는 리튬 기반 약물을 동시에 투여받지 않는다. 향상된 수준의 칼륨 교환 용량을 나타내는 고순도의 ZS-9 결정의 제조방법이 또한 개시되어 있다. 이들 조성물은 고칼륨혈증의 치료적 처치에 특히 유용하다.

Silicato de zirconio microporoso para el tratamiento de hipercalemia.

UNA COMPOSICION QUE COMPRENDE SILICATO DE CIRCONIO, EN DONDE LA COMPOSICION COMPRENDE AL MENOS 95% DE LA FORMA CRISTALINA ZS-9, UTIL PARA EL TRATAMIENTO DE HIPERKALEMIA.

METHOD FOR PROCESSING WASTE WATER LOADED WITH NITROGEN

The invention relates to a method for cleaning waste water loaded with compounds containing nitrogen, wherein the waste water loaded with compounds containing nitrogen is reacted with a smectitic sheet silicate, wherein a clay material loaded with compounds containing nitrogen is obtained, and the clay material loaded with compounds containing nitrogen is separated, wherein cleaned waste water is obtained.

Removal of ammonia from wastewater

A process is disclosed for the continuous removal of ammonia from wastewater which converts the otherwise undesirable ammonia to a commercially useful end product such as ammonium phosphate. The process is carried out in an Advanced Separation Device which comprises a plurality of chambers moving about a circular path in periodic fluid communication with a plurality of fixed feed and discharge ports. The chambers are filled with a zeolite adsorbent which effectively adsorbs the ammonium ions contained in the wastewater at low pH levels but which, when contacted with an alkaline regeneration solution, releases the previously adsorbed ammonium in the form of ammonia gas, for which the zeolite has no affinity. By virtue of the ASD design, it is possible to add acidic materials to the wastewater in an intra-stage fashion i.e. during the adsorption step so as to optimize process efficiency. Similarly, intra-stage addition of alkaline materials during the regeneration step results in increased ...

Method for processing waste water loaded with nitrogen-containing compounds

The invention relates to a method for purifying wastewater loaded with nitrogen-containing compounds, wherein the wastewater loaded with nitrogen-containing compounds is reacted with a smectic sheet silicate, wherein a clay material loaded with nitrogen-containing compounds is obtained, and the clay material loaded with nitrogen-containing compounds is separated off, wherein purified wastewater is obtained.

Synthesized inorganic ion exchange material and detergent composition containing the same

The synthesized crystalline ion exchange material or a hydrate thereof has a chain structure and a composition represented by the following general formula (A) in an anhydride form: xM2 O.ySiO.sub.2.zM'O, (A) wherein M represents Na and/or K; M' represents Ca and/or Mg; y/x is 0.5 to 2.0; and z/x is 0.005 to 1.0. The chain structure exhibits at least one main scattering peak at 970±20 cm-1 in Raman spectra. The detergent composition contains the above synthesized inorganic crystalline ion exchange material. The inorganic ion exchange material of the present invention is excellent in both cationic exchange capacity and anti-solubility, making it useful to be used for a water softener and alkalinity regulator in detergents. The detergent composition of the present invention contains an inorganic ion exchange material which has anti-solubility as well as excellent ion exchange capacity and alkaline capacity, thereby offering excellent washing effects and is suitable for the concentration of ...

Ammonia removal in freshwater and saltwater systems

An ammonia adsorption product is described which may be used for fresh caught fish and bait. The product may comprise functionalized tectosilicate compound and a buffer. High concentrations of ammonia produced by fish waste can be lethal, even though oxygen availability is rich enough to keep fish breathing. The product is a user-friendly, sustainable, affordable product which is able to extend the life of the fish by safely removing ammonia by an ion-exchange mechanism. This product can convert toxic ammonia into ammonium and uptake ammonium by releasing sodium ions in the water.

Method for enhancing cation-exchange capacity of montmorillonite decreased by fixation of ion

The cation-exchange capacity of montmorillonite decreased in consequence of fixation of ion is restored by subjecting the montmorillonite to a hydrothermal treatment.

Zeolite containing cation exchangers methods for preparation and use

PCT No. PCT/NO97/00166 Sec. 371 Date May 26, 1998 Sec. 102(e) Date May 26, 1998 PCT Filed Jun. 26, 1997 PCT Pub. No. WO97/49486 PCT Pub. Date Dec. 31, 1997The present invention concerns zeolitic cation exchangers consisting of expanded ceramic, zeolitic pellets with macro- and microporosity, in the form of sintered, light, expanded clay aggregates which are partly transformed to zeolite by means of hydrothermal treatment with an alkaline solution for a period of at least 2 hours at a temperature of between 50 and 300 degrees C. The invention also concerns a procedure for producing said cation exchangers, and applications of the same as ion exchangers and adsorbents.

MICROPOROUS ZIRCONIUM SILICATE FOR THE TREATMENT OF HYPERKALEMIA IN HYPERCALCEMIC PATIENTS AND IMPROVED CALCIUM-CONTAINING COMPOSITIONS FOR THE TREATMENT OF HYPERKALEMIA

The present invention relates to novel calcium-containing microporous zirconium silicate compositions that are formulated to remove toxins, e.g. potassium ions, from the gastrointestinal tract at an elevated rate without removing calcium from the patient's body. Also disclosed are methods of using calcium-free or low calcium microporous zirconium silicate compositions for the treatment of hyperkalemia in patients also suffering from hypercalcemia.

ФОРМОВАННОЕ ИЗДЕЛИЕ ИЗ ГИДРОФОБНОГО ЦЕОЛИТНОГО МАТЕРИАЛА И СПОСОБ ЕГО ПОЛУЧЕНИЯ

FIELD: chemistry.SUBSTANCE: present invention relates to a method for the production of a molding. A method for the production of a molding to use in catalytic processes is described, comprising (I) providing a zeolitic material; (II) mixing the zeolitic material provided in step (I) with one or more binders; (III) kneading of the mixture obtained in step (II); (IV) molding of the kneaded mixture obtained in step (III) to obtain one or more moldings; (V) drying one or more moldings obtained in step (IV); and (VI) calcining of the dried molding obtained in step (V); wherein the zeolitic material provided in step (I) displays a water absorption ranging from 3 to 10% when exposed to a relative humidity of 85 %, wherein the zeolitic material comprises one or more zeolites having a framework structure selected from the group consisting of AEI, BEA, CHA, CDO, DDR, EMT, ERI, EUO, FAU, FER, HEU, LEV, MAZ, MEI, MEL, MFI, MFS, MOR, MOZ, MRE, MTN, MTT, MTW, MWW, NON, OFF, RRO, TON, and the combinations of two or more thereof, in which the mixture obtained in step (II) is characterized by a weight ratio of one or more binders to the zeolite material (binder: zeolitic material) in the range of 0.1 to 0.6, wherein step (II) further comprises mixing the zeolitic material and one or more binders with a solvent system, the solvent system comprising one or more solvents in which the mixture obtained in step (II) has a mass ratio of the solvent system to the zeolitic material (solvent system: zeolite material) ranging from 0.7 to 1.7, wherein step (II) further comprises mixing the zeolitic material and one or more binders with one or more pore-forming agents, the method further comprising (VII) hydrothermally treating the calcined molding obtained in step (VI), the hydrothermal treatment being carried out with a water-containing solvent system and/or an aqueous solution.EFFECT: improving the catalytic properties of zeolite materials.20 cl, 3 tbl, 9 ex РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) ...

АМОРФНОЕ ПРОИЗВОДНОЕ КАОЛИНА И СПОСОБ ЕГО ПОЛУЧЕНИЯ

FIELD: mineral-based cation exchangers. SUBSTANCE: amorphous kaolin derivatives have high values of specific surface and cation exchange and 27 Al NMR spectrum obtained during rotation under magic angle having dominant peak of about 55 ppm with respect to Al(H 2 O) 3+ 6 . Said derivatives are prepared by reacting kaolin mineral with reagent such as alkali metal or ammonium halogen derivative. This reaction leads to transformation of greater part of octaedrally coordinated aluminium in kaolin mineral into tetrahedrally coordinated aluminium. The resulting derivatives show high selectively with respect to metals: счЗэ*$ с пы Го (19) РОССИЙСКОЕ АГЕНТСТВО ПО ПАТЕНТАМ И ТОВАРНЫМ ЗНАКАМ ВИ “” 2 136 593. (51) МПК 13) Сл С Ол В 33/40 12) ОПИСАНИЕ ИЗОБРЕТЕНИЯ К ПАТЕНТУ РОССИЙСКОЙ ФЕДЕРАЦИИ (21), (22) Заявка: 96101163/25, 16.06.1994 (24) Дата начала действия патента: 16.06.1994 (30) Приоритет: 17.06.1993 АЦ РЕ 9431 (46) Дата публикации: 10.09.1999 (56) Ссылки: /.6. Тпотрзоп "Згисшга! спагацегзаНоп о! Каойпйе", СЛау апа Сау ттега[5, у.40, М 4, р.369-380, 1992. ЗИ 623825, А 29.08.18. ЗЧ 1390185 АЛ 23.04.88. $Ч 1803178 АЛ 23.03.93. $Ц 18031177 АЛ 23.03.93. $Ц 1724661 А1 07.04.92. 0$ 4916092 А 10.04.90. Вдовенко Н.А. Украинский химический журнал, т.50, М 10, с. 1037 - 1041, 1984. Манк В.В. Украинский химический журнал, т.49, М 7, с. 693 - 698, 1983. (85) Дата перевода заявки РСТ на национальную фазу: 17.01.96 (86) Заявка РСТ: АЦ 94/00323 (16.06.94) (87) Публикация РСТ: М/О 95/00441 (05.01.95) (98) Адрес для переписки: 103104, Москва, Б.Палашевский пер., д.3, офис 2, ЗАО Юридическая фирма Гоулинг, Страти и Хендерсон, Патентному поверенному Дементьеву В.Н. (71) Заявитель: Университет Квинсленда (АЦ) (72) Изобретатель: Томпсон Джон Джерард (АЦ), Маккиннон Ян Дональд Ричард (АЦ), Кун Саша (АЦ), Гэббитас Нейл (АЦ) (73) Патентообладатель: Университет Квинсленда (АЦ) (54) АМОРФНОЕ ПРОИЗВОДНОЕ КАОЛИНА И СПОСОБ ЕГО ПОЛУЧЕНИЯ (57) Реферат: Изобретение ОТНОСИТСЯ К катионообменникам на ...

ЦЕОЛИТНЫЕ МАТЕРИАЛЫ ТИПА СНА И СПОСОБЫ ИХ ПОЛУЧЕНИЯ С ИСПОЛЬЗОВАНИЕМ КОМБИНАЦИЙ ЦИКЛОАЛКИЛ- И ТЕТРААЛКИЛАММОНИЕВЫХ СОЕДИНЕНИЙ

FIELD: chemistry. SUBSTANCE: present invention relates to a method for the preparation of zeolites. Method for the preparation of a zeolitic material having a CHA-type framework structure comprising the steps of: (1) providing a mixture comprising one or more sources for SiO 2 , one or more sources for Al 2 O 3 , one or more tetramethylammonium compounds and one or more N,N,N-trimethyl-cyclohexylammonium compounds as structure-directing agent; (2) crystallizing the mixture obtained in stage (1) for obtaining a zeolitic material having a CHA-type framework structure. According to the method, the molar ratio of tetramethylammonium compounds and N,N,N-trimethyl-cyclohexylammonium compounds in the mixture ranges from 0.45 to 0.65. EFFECT: invention provides for the preparation of a CHA-type zeolite with increased catalytic activity in exhaust gas cleaning processes. 13 cl, 1 tbl, 8 dwg, 3 ex РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (13) 2 678 676 C2 (51) МПК C01B 39/48 (2006.01) B01J 29/72 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ОПИСАНИЕ ИЗОБРЕТЕНИЯ К ПАТЕНТУ (52) СПК C01B 39/48 (2018.08); B01J 29/72 (2018.08) (21)(22) Заявка: 2016152444, 03.06.2015 (24) Дата начала отсчета срока действия патента: Дата регистрации: 30.01.2019 (73) Патентообладатель(и): БАСФ СЕ (DE) (56) Список документов, цитированных в отчете о поиске: EP 2325143 A2, 25.03.2011. WO 05.06.2014 EP 14171324.8 (43) Дата публикации заявки: 09.07.2018 Бюл. № 19 2013182974 A1, 12.12.2013. US 20040253163 A1, 16.12.2004. EA 7658 B1, 29.12.2006. (45) Опубликовано: 30.01.2019 Бюл. № 4 (86) Заявка PCT: C 2 C 2 (85) Дата начала рассмотрения заявки PCT на национальной фазе: 09.01.2017 EP 2015/062377 (03.06.2015) (87) Публикация заявки PCT: WO 2015/185625 (10.12.2015) 2 6 7 8 6 7 6 2 6 7 8 6 7 6 Приоритет(ы): (30) Конвенционный приоритет: R U R U 03.06.2015 (72) Автор(ы): ФЕЙЕН Матиас (DE), ЯНГ Джефф (US), РЮТЦ Рогер (DE), МЮЛЛЕР Ульрих (DE) Адрес для переписки: 105064, Москва, а/я 88, ООО " ...

ФИЛЬТРУЮЩИЙ МАТЕРИАЛ ДЛЯ ФИЛЬТРУЮЩЕЙ ВЕНТИЛЯЦИИ И ФИЛЬТРУЮЩЕЕ ВЕНТИЛЯЦИОННОЕ УСТРОЙСТВО

Группа изобретений относится к гранулированному фильтрующему материалу. Фильтрующий материал для фильтрующей вентиляции содержит гранулированный цеолит L для поглощения радиоактивного йода в присутствии водорода, в котором как минимум часть центров ионного обмена цеолита L замещены серебром, композиционное отношение (а/b) количества (а) центров ионного обмена, замещенных серебром, к количеству (b) центров ионного обмена, не замещенных серебром, предпочтительно составляет 25/75-55/45, фильтрующий материал для фильтрации вентиляции настоящего изобретения имеет потери на истирание в 10 % или менее. Имеется также фильтрующее вентиляционное устройство. Группа изобретений позволяет более эффективно поглощать радиоактивный йод. 3 н. и 3 з.п. ф-лы, 4 ил., 8 табл., 16 пр.

Method of Recovering Potassium from Waste Waters for Use in Purification of Waste Water, including the Waste Water from which the potassium is Recycled, while retaining the Potassium in forms suitable for use as a Nutrient in Growing Microbes, Plants and Algae

A method for recovering and/or utilizing potassium from waste waters for a plurality of applications. As algae and plants are able to survive and flourish in environments with high salt concentrations, waste waters containing potassium can be applied as fertilizers to the growth of microbes, algae and plants. The microbes, plants, and algae are able to absorb the necessary nutrients, such as nitrogen and potassium, from the waste waters. After depletion of the potassium content from the waste water, that waste water can then be treated to separate other contaminants. In another aspect of the present invention, the potassium content may be first separated from the waste water to be applied for growth of microbes, plants, and algae and again used for regeneration of cation resins in specific potassium forms. The remaining contaminants that are separated through treatment of the waste water can be utilized for different productions.

Method of separating microorganism using nonplanar solid substrate and device for separating microorganism using the same

Provided is a method of separating microorganisms from a sample including contacting the sample containing microorganisms with an inorganic on exchange material such that the sample reacts with the inorganic on exchange material, and contacting the reacted sample with a means for capturing microorganisms.

Removal of light fluoroalkanes from hydrocarbon streams

The removal of fluoroalkanes from fluoroalkane-containing hydrocarbon streams, preferably C 3 to C 5 hydrocarbon streams. The fluoroalkane-containing hydrocarbon stream is contacted with an adsorbent containing a strong acid function, preferably a silica gel or a strong cation ion-exchange resin having sulfonic acid functionality.

Pharmaceutical compound which includes clinoptilolite

This invention is for a compound for treating a human or animal body to relieve the symptoms of any one of chemical-, substance-, and medicine induced gastrointestinal tract irritation, the compound including clinoptilolite. The invention is also for a compound for treating a human or animal body to lower the incidences of gastic events in persons using non-steroidal, anti-inflammatory medications, the compound including clinoptilolite.

MICROPOROUS ZIRCONIUM SILICATE FOR THE TREATMENT OF HYPERKALEMIA

The present invention relates to novel microporous zirconium silicate compositions that are formulated to remove toxins, e.g. potassium ions, from the gastrointestinal tract at an elevated rate without causing undesirable side effects. The preferred formulations are designed avoid increase in pH of urine in patients and/or avoid potential entry of particles into the bloodstream of the patient. Also disclosed is a method for preparing high purity crystals of UZSi-9 exhibiting an enhanced level of potassium exchange capacity. These compositions are particularly useful in the therapeutic treatment of hyperkalemia. 146-. (canceled)47. A method of treating hyperkalemia comprising administering to a patient in need thereof a zirconium silicate composition having a median particle size of greater than 3 microns that is essentially free of particles having a diameter below 1 micron.48. The method of claim 47 , wherein less than 7% of the particles in the composition have a diameter less than 3 microns.49. The method of claim 47 , wherein less than 3% of the particles in the composition have a diameter less than 3 microns.50. The method of claim 47 , wherein less than 1.4% of the particles in the composition have a diameter less than 2 microns.51. The method of claim 47 , wherein the zirconium silicate exhibits a sodium content below 12% by weight.52. The method of claim 47 , wherein the zirconium silicate exhibits a sodium content below 9% by weight.53. The method of claim 47 , wherein the zirconium silicate is a particle represented by formula (I):{'br': None, 'sub': p', 'x', '1-x', 'n', 'y', 'm, 'AMZrSiGeO\u2003\u2003(I)'}whereA is a potassium ion, sodium ion, rubidium ion, cesium ion, calcium ion, magnesium ion, hydronium ion or mixtures thereof,M is at least one framework metal, wherein the framework metal is hafnium (4+), tin (4+), niobium (5+), titanium (4+), cerium (4+), germanium (4+), praseodymium (4+), terbium (4+) or mixtures thereof,“p” has a value from about 1 ...

Microporous Zirconium Silicate for the Treatment of Hyperkalemia

The present invention relates to novel microporous zirconium silicate compositions that are formulated to remove toxins, e.g. potassium ions, from the gastrointestinal tract at an elevated rate without causing undesirable side effects. The preferred formulations are designed avoid increase in pH of urine in patients and/or avoid potential entry of particles into the bloodstream of the patient. Also disclosed is a method for preparing high purity crystals of UZSi-9 exhibiting an enhanced level of potassium exchange capacity. These compositions are particularly useful in the therapeutic treatment of hyperkalemia. 146-. (canceled)47. A cation exchange composition comprising a zirconium silicate of formula (I):{'br': None, 'sub': p', 'x', '1-x', 'n', 'y', 'm, 'AMZrSiGeO\u2003\u2003(I),'}where A is a potassium ion, hydronium ion or mixtures thereof, M is at least one framework metal, wherein the framework metal is hafnium (4+), tin (4+), niobium (5+), titanium (4+), cerium (4+), germanium (4+), praseodymium (4+), terbium (4+) or mixtures thereof, “p” has a value from about 1 to about 20, “x” has a value from 0 to less than 1, “n” has a value from about 0 to about 12, “y” has is value from 0 to about 12, “m” has a value from about 3 to about 36 and 1≦n+y≦12,wherein the composition exhibits a median particle size of greater than 3 microns and less than 7% of the particles in the composition have a diameter less than 3 microns.48. The composition of claim 47 , wherein 4% of the particles in the composition have a diameter less than 3 microns.49. The composition of claim 47 , wherein less than 1% of the particles in the composition have a diameter less than 3 microns.50. The composition of claim 47 , wherein the median particle size ranges from 5 to 1000 microns.51. The composition of claim 47 , wherein the median particle size ranges from 20 to 100 microns.53. The composition of claim 47 , wherein the zirconium silicate is a ZS-1.54. The composition of claim 47 , wherein ...

Process for removing mercury ions from bodily fluids using titanium metallate ion exchange compositions

A process for removing Hg 2+ toxins from bodily fluids is disclosed. The process involves contacting the bodily fluid with a titanium metallate ion exchanger to remove the metal toxins in the bodily fluid, including blood and gastrointestinal fluid. Alternatively, blood can be contacted with a dialysis solution which is then contacted with the ion exchanger. The titanium metallate ion exchangers are represented by the following empirical formula: A m TiNb a Si x O y . A composition is provided with the combination of the titanium metallate ion exchanger and bodily fluids or dialysis solutions. Also, provided is an apparatus comprising a matrix and the titanium metallate ion exchanger.

Resin for desalination and process of regeneration

Disclosed is an ion exchange resin comprising a polymer having strong acid and strong base groups on the same polymer. In some forms the resin comprises a high density of polymers having strong acid and strong base groups on the same polymer. In some forms the strong acid and strong base groups are in close proximity to one another on the polymer. The disclosure further relates to a mixed bead resin for high salt level desalination.

ZEOLITE ADSORBENTS HAVING A HIGH EXTERNAL SURFACE AREA AND USES THEREOF

The present invention concerns the use, for gas separation and/or gas drying, of at least one zeolite adsorbent material comprising at least one type A zeolite, said adsorbent having an external surface area greater than 20 m.g, a non-zeolite phase (PNZ) content such that O Подробнее

DEVELOPMENT OF A HIGH-EFFICIENCY ADSORBENT FROM E-WASTE AND ALUMINOSILICATE-BASED MATERIALS FOR THE REMOVAL OF TOXIC HEAVY METAL IONS FROM WASTEWATER

An impregnated and activated ion exchange material prepared by a process is provided that includes: impregnating an ion exchange precursor material, wherein impregnation of the ion exchange precursor material includes reacting the ion exchange precursor material with an impregnator solution, thereby increasing the surface area and the hydrophilicity of the ion exchange precursor material; activating the impregnated ion exchange precursor material to increase the porosity of the impregnated ion exchange precursor material, wherein the ion exchange precursor material comprises at least one of nonmetallic printed (NMP) circuit board, amorphous aluminosilicate, or mixtures thereof. In other aspects, a method for fabricating an ion exchanger and a method for removing heavy metal ions from a solution are provided. 1. A method for fabricating an ion exchanger , the method comprising: 'reacting the ion exchange precursor material with an impregnator solution, thereby increasing the surface area and the hydrophilicity of the ion exchange precursor material;', 'impregnating an ion exchange precursor material, wherein impregnating the ion exchange precursor material comprisesactivating the impregnated ion exchange precursor material to increase the porosity of the impregnated ion exchange precursor material.2. The method according to claim 1 , wherein the method for fabricating an ion exchanger further comprises washing and drying the impregnated and activated ion exchange precursor material.3. The method according to claim 1 , wherein during the impregnating of the ion exchange precursor material claim 1 , a portion of the bonds in the ion exchange precursor material is broken up into hydroxyl moieties.4. The method according to claim 1 , wherein during the impregnating of the ion exchange precursor material claim 1 , a first plurality of alkali metal ions present in the impregnator solution is exchanged with hydrogen atoms at the surface of the ion exchange precursor ...

CRYSTALLINE MOLECULAR SIEVES AND SYNTHESIS THEREOF

Crystalline molecular sieves and their synthesis using quaternary N-methyl-diisoalkylammonium cations as organic structure directing agents are disclosed. The structure directing agent has the following structure (1): 2. The method of claim 1 , wherein crystallization of the molecular sieve is conducted in the presence of an oxide of silicon; fluoride ions; water; and at least one structure directing agent selected from N claim 1 ,N-dimethyl-diisopropylammonium cations claim 1 , N-ethyl-N-methyl-diisopropylammonium cations claim 1 , N-hydroxymethyl-N-methyl-diisopropylammonium cations claim 1 , and N claim 1 ,N-dimethyl-di-sec-butylammonium cations.3. The method of claim 2 , wherein the molecular sieve has a *BEA framework type claim 2 , a NON framework type claim 2 , or a STF framework type.4. The method of claim 1 , wherein crystallization of the molecular sieve is conducted in the presence of oxides of silicon and germanium; fluoride ions; water; and at least one structure directing agent selected from N-ethyl-N-methyl-diisopropylammonium cations and N claim 1 ,N-dimethyl-di-sec-butylammonium cations.5. The method of claim 4 , wherein the molecular sieve has a BEC framework type.6. The method of claim 1 , wherein crystallization of the molecular sieve is conducted in the presence of oxides of silicon and boron; fluoride ions; water; and at least one structure directing agent selected from N claim 1 ,N-dimethyl-diisopropylammonium cations claim 1 , N-ethyl-N-methyl-diisopropylammonium cations and N claim 1 ,N-dimethyl-di-sec-butylammonium cations.7. The method of claim 6 , wherein the molecular sieve has a DDR framework type claim 6 , an EUO framework type claim 6 , or a framework type of SSZ-36.8. The method of claim 1 , wherein crystallization of the molecular sieve is conducted in the presence of oxides of silicon and aluminum; fluoride ions; water; and at least one structure directing agent selected from N claim 1 ,N-dimethyl-diisopropylammonium cations claim ...

A METHOD FOR PRODUCING ZEOLITE CRYSTALS AND/OR ZEOLITE-LIKE CRYSTALS

The present invention pertains to a method for producing zeolite or zeolite-like crystals using a composition comprising one or more fluorine-containing compounds as a mineralizing agent. Crystals produced by such a method are smaller in size than crystals available in the art and contain few defects. The invention also relates to zeolite and/or zeolite-like crystals obtainable by a method as provided herein as well as crystals defined by any of the structural characteristics provided herein, and the usage thereof such as in the manufacture of thin films and membranes, absorbents, catalysts etc. 122.-. (canceled)23. A method for producing MFI zeolite crystals , wherein said method comprises the following steps: i) one or more tetraalkoxysilane(s) and/or one or more aluminiumalkoxide(s),', 'ii) tetraalkylammoniumhydroxide, and', 'iii) water,', 'thereby providing a mixture comprising', 'i) one or more hydrolyzed tetraalkoxysilane(s) and/or one or more hydrolysed aluminiumalkoxide(s),', 'ii) tetraalkylammoniumhydroxide,', 'iii) water, and', 'iv) one or more alcohol(s),, 'a) mixing'}b) removing said alcohol(s) formed in step a) so that the mixture contains 10 wt % or less of said alcohol(s), '(ii) adjusting the pH of the composition to which the fluorine containing compound has been added to a pH of 6-8,', 'd) (i) adding a fluorine containing compound to the mixture, said fluorine containing compound being selected from the group consisting of tetraalkylammonium fluoride, ammonium fluoride, potassium fluoride, sodium fluoride, and hydrofluoric acid, or a combination thereof, and'}e) forming MFI zeolite crystals from the mixture using hydrothermal treatment in a temperature range from 30° C. to 100° C., andf) collecting the MFI zeolite crystals from step e), wherein the MFI zeolite crystals have a length of 1.5 μm or less.24. The method according to claim 23 , further comprising a step c) prior to step d) and following step b):c) adding one or more aqueous solvent(s) to ...

Crystalline metallophosphates, their method of preparation, and use

A new family of crystalline microporous metallophosphates designated AlPO-77 has been synthesized. These metallophosphates are represented by the empirical formula H x M m 2+ EP x Si y O z where M is a framework metal alkaline earth or transition metal of valence +2, and E is a trivalent framework element such as aluminum or gallium. The AlPO-77 compositions are characterized by a new unique ABC-6 net structure, and have catalytic properties suitable for carrying out various hydrocarbon conversion processes, as well as characteristics suitable for adsorption applications.

ION EXCHANGE COLUMN CONFIGURED TO REDUCE INTERNAL LEVELS OF RADIOLYTIC HYDROGEN GAS

An ion exchange system includes one or more strategies to reduce the amount of hydrogen gas inside an ion exchange column when the column is offline or disposed of. The ion exchange system comprises an ion exchange column including a housing and ion exchange media positioned in the housing. The ion exchange column can include one or more of the following: (1) an oxide material that limits the production of hydrogen gas from radiolysis, (2) a hydrogen scavenging material that removes or scavenges hydrogen gas inside the column, and (3) a hydrogen catalytic material that catalyzes the reaction of hydrogen and oxygen inside the column. 1. An ion exchange system comprising:an ion exchange column including a housing and ion exchange media positioned inside the housing;an oxide material positioned inside the housing, the oxide material having a G-value for hydrogen from beta and gamma radiolysis that is no more than 0.45; anda hydrogen scavenging material and/or a hydrogen catalytic material positioned inside the housing.2. The ion exchange system of wherein the ion exchange media is positioned in a first chamber and the hydrogen scavenging material and/or the hydrogen catalytic material are positioned in a second chamber that is separate from the first chamber.3. The ion exchange system of comprising a sealing device that moves between a closed position where the first chamber is not in fluid communication with the second chamber and an open position where the first chamber is in fluid communication with the second chamber.4. An ion exchange system comprising:an ion exchange column including a housing and ion exchange media positioned inside the housing; anda hydrogen scavenging material positioned inside the housing, the hydrogen scavenging material being capable of removing hydrogen gas from the inside of the housing.5. The ion exchange system of wherein the ion exchange media is positioned in a first chamber and the hydrogen scavenging material is positioned in a ...

Purification of Acetic Acid Product Streams

In one embodiment, the invention is to an ion exchange resin composition comprising a metal-functionalized exchange resin comprising from 3% to 94% metal-functionalized active sites; and a non-metal-functionalized exchange resin comprising non-metal-functionalized active sites.

ZEOLITES AND COMPOSITES INCORPORATING ZEOLITES

According to the invention there is provided a zeolite having a porous structure produced by forming the zeolite on a porous carbon substrate which has been substantially or completely removed, wherein (i) the zeolite was formed on the substrate at a loading of at least 8% by weight and/or (ii) the zeolite has a reinforcing layer. 1. A zeolite having a porous structure produced by forming the zeolite on a porous carbon substrate which has been substantially or completely removed , wherein (i) the zeolite was formed on the substrate at a loading of at least 8% by weight and/or (ii) the zeolite has a reinforcing layer.2. A zeolite according to in which the reinforcing layer is silica claim 1 , alumina claim 1 , a clay or an alumina-silicate.3. A zeolite according to in which the reinforcing layer is carbon from the substrate.4. A zeolite according to in which the zeolite is formed on the substrate at a loading of at least 20% by weight.5. A zeolite according to which is zeolite LTA claim 1 , zeolite X claim 1 , zeolite Y claim 1 , zeolite H-Sodalite claim 1 , zeolite ZSM or Mordenite MFI zeolite.6. (canceled)7. (canceled)8. (canceled)9. (canceled)10. (canceled)11. A composite material including a porous carbon substrate and an ion exchanged zeolite formed on the substrate claim 1 , or a porous exchanged zeolite produced from said composite material by substantially or completely removing said substrate.12. A composite material according to in which the ion exchanged zeolite is zeolite LTA.13. A composite material according to in which the ion exchanged zeolite is zeolite X claim 11 , zeolite Y or zeolite H-Sodalite.14. A composite material according to in which the ion exchanged zeolite includes Ag or Li cations.15. A composite material according to in which the ion exchanged zeolite is AgLTA claim 14 , LiX or HLTA/X.16. A composite material according to in which the ion exchanged zeolite includes a metal cation such as Fe claim 11 , Fe claim 11 , Ti claim 11 , Ti ...

PROCESS FOR REMOVING LEAD, MERCURY, POTASSIUM, AND AMMONIUM IONS FROM BODILY FLUIDS USING RARE-EARTH SILICATE ION EXCHANGE COMPOSITIONS

A process for removing Pb, Hg, K and NH toxins from bodily fluids is disclosed. The process involves contacting the bodily fluid with an ion exchange composition to remove the metal toxins in the bodily fluid, including blood and gastrointestinal fluid. Alternatively, blood can be contacted with a dialysis solution which is then contacted with the ion exchange composition. The ion exchange compositions are represented by the following empirical formula: 2. The process of wherein the bodily fluid is selected from the group consisting of whole blood claim 1 , blood plasma claim 1 , or other component of blood claim 1 , gastrointestinal fluids and dialysate solution containing blood claim 1 , blood plasma claim 1 , other component of blood or gastrointestinal fluids.3. The process of where x=0.4. The process of where A is a mixture of calcium and an alkali metal.5. The process of where A is not potassium.6. The process of where A is not ammonium.7. The process of where the ion exchanger is packed into hollow fibers incorporated into a membrane.8. The process of wherein said ion exchanger is contained on particles coated with a coating comprising a cellulose derivative composition.9. The process of wherein said process is a hemoperfusion process wherein said bodily fluid is passed through a column containing said ion exchanger.10. The process of wherein a dialysate solution is introduced into a peritoneal cavity and then is flowed through at least one adsorbent bed containing at least one of said ion exchanger.11. The process of wherein said ion exchanger is formed into a shaped article to be ingested orally claim 1 , followed by ion exchange between said ion exchanger and said Pb claim 1 , Hg claim 1 , K and NH toxins contained in a gastrointestinal fluid in a mammal's intestines and then by excretion of said ion exchanger containing said toxins.12. The process of wherein said shaped article is coated with a coating that is not dissolved by conditions within a stomach. ...

Strontium and cesium specific ion-exchange media

This invention is directed to amorphous and crystalline titanosilicate materials that have an unexpected selectivity for cesium and strontium, especially in the presence of high levels of competing ions. The titanosilicates of this invention show very high, unexpected selectivity in the presence of such competing cations such as sodium, calcium, magnesium and potassium, such as present in seawater.

MOLECULARLY IMPRINTED POLYMER BEADS FOR EXTRACTION OF LITHIUM, MERCURY, AND SCANDIUM

The present disclosure provides Molecularly Imprinted Polymer (MIP) technology for selectively sequestering one or more target molecules from chemical mixtures. Also disclosed herein are MIP beads and methods of making and using thereof. 1. A plurality of macroreticular polymer beads comprising a copolymer having a plurality of complexing cavities which selectively bind Au(SO) , wherein the copolymer is prepared from:(a) a cationic ligand monomer complexed to a non-metal surrogate ion selected from the group consisting of tetrathionate, pentathionate, hexathionate; hexadionate, heptyldionate, octyidionate; 1,4-phenylene diacetate; butane disulfonate, pentane disulfonate, and hexane disulfonate,(b) a non-ligand monomer, and(c) a crosslinking monomer;whereinthe charge of the copolymer in the complexing cavity is opposite the charge of the target metal ion.2. A plurality of macroreticular polymer beads comprising a copolymer having a plurality of complexing cavities which selectively bind scandium tricarbonate , wherein the copolymer is prepared from:(a) a cationic ligand monomer complexed to a tribasic salt of benzene-1,3,5-triyl-tricarboxylate,(b) a non-ligand monomer, and(c) a crosslinking monomer;wherein the charge of the copolymer in the complexing cavity is opposite the charge of the target metal ion.3. The macroreticular beads of claim 1 , wherein the cationic ligand monomer is a polymerizable cation selected from the group consisting of ammonium claim 1 , pyridinium claim 1 , pyrollidinium claim 1 , imidazolium claim 1 , guanidinium claim 1 , phosphonium and sulfonium.4. The macroreticular beads of claim 3 , wherein the cationic ligand monomer is a 4-vinylbenzyl ammonium.5. The macroreticular beads of claim 4 , wherein the ligand monomer is N-(4-vinylbenzyl)-N claim 4 ,N claim 4 ,N-tri-n-pentyl ammonium or N-(4-vinylbenzyl)-N-decyl-N claim 4 ,N-dimethylammonium.6. The macroreticular beads of claim 4 , wherein the ligand monomer is N-(4-vinylbenzyl)-N claim 4 ,N ...

PROCESS FOR THE ISOLATION OF CAROTENOIDS

Described herein is a material for reversibly binding to a carotenoid comprising a support coupled to silver ions in an amount to enable reversible binding with carotenoids, and wherein with the exception of silver ions, is substantially free of transition metals. Also described herein is a process for reversibly binding a carotenoid, the process comprising the steps of: providing a support coupled to silver ions in an amount to enable reversible binding with the carotenoid, wherein with the exception of silver, the support is substantially free of transition metals, contacting the support with the carotenoid under binding conditions to bind it thereto and dissociating the carotenoidod from the support under dissociating conditions to release the carotenoid. 1. A material for reversibly binding to a carotenoid , the material comprising:a support coupled to silver ions in an amount to enable reversible binding with said carotenoid, and wherein, with the exception of silver ions, said support is substantially free of transition metals.2. The material of claim 1 , wherein said support has a larger surface area relative to natural clay.3. The material of claim 1 , wherein said support has a total surface area of from 400 m/g to 700 m/g.4. The material of claim 1 , wherein the support has a substantially uniform chemical composition.5. The material of claim 1 , wherein said support is synthetic clay.6. The material of claim 5 , wherein said silver ions is monovalent claim 5 , divalent or trivalent.7. The material of claim 1 , wherein said support is capable of at least partially or completely exchanging its indigenous cations with silver ions.8. The material of claim 1 , having a formula Na(Ag)X[MgLiSiO(OH)] claim 1 , wherein X is a number selected from 0.01-1.2; Y is a whole number selected from 1-3; and wherein the material has a net neutral charge.9. The material of claim 8 , wherein the multiple of X and Y is 1.2.10. The material of claim 1 , wherein substantially ...

MICROPOROUS ZIRCONIUM SILICATE FOR THE TREATMENT OF HYPERKALEMIA

The present invention relates to novel microporous zirconium silicate compositions that are formulated to remove toxins, e.g. potassium ions, from the gastrointestinal tract at an elevated rate without causing undesirable side effects. The preferred formulations are designed avoid increase in pH of urine in patients and/or avoid potential entry of particles into the bloodstream of the patient. Also disclosed is a method for preparing high purity crystals of UZSi-9 exhibiting an enhanced level of potassium exchange capacity. These compositions are particularly useful in the therapeutic treatment of hyperkalemia. 146-. (canceled)47. A method for removing potassium from a patient in need thereof comprising administering a potassium-binding particle in an oral dosage form to the patient , the potassium binding particle comprising a microporous material , the particle having an average in vitro binding capacity of at least about 2.5 mmol per gram for binding potassium , and the patient being administered a dose from about 0.050 grams per day to about 33 grams per day.48. The method of claim 47 , wherein the dose is from about 0.5 grams per day to about 15 grams per day.49. The method of claim 47 , wherein the dose is from about 5 grams per day to about 20 grams per day.50. The method of claim 47 , wherein the dose is from about 5 grams per day to about 15 grams per day.51. The method of claim 47 , wherein the dose is from about 10 grams per day to about 20 grams per day.52. The method of claim 47 , wherein the dose is from about 10 grams per day to about 15 grams per day.53. The method of claim 47 , wherein the potassium-binding particle has an average in vitro binding capacity of at least about 3.5 mmol per gram.54. The method of claim 47 , wherein the microporous material having a capacity for binding potassium comprises a zirconium silicate.55. A method of treating hyperkalemia in a patient in need thereof comprising administering a potassium-binding particle in an ...

ALUMINUM SILICATE AND METHOD FOR PRODUCING SAME

Aluminum silicate having a large cesium ion adsorption capacity and a production process therefor. 2. The aluminum silicate according to whose crystal structure is amorphous according to a powder X-ray diffraction method.3. A process for producing aluminum silicate claim 1 , comprising the steps of:(1) reacting a water-soluble silicate with a water-soluble aluminum salt to ensure that the ratio (Si/Al) of silicon atoms contained in the water-soluble silicate to aluminum atoms contained in the water-soluble aluminum salt becomes 2.5 to 7.5 so as to obtain a reaction solution having a pH of 3.5 to 10.5;(2) aging the reaction solution at 60 to 120° C. for 0.5 to 3 hours;(3) carrying out the solid-liquid separation of the reaction solution to obtain cake; and(4) washing and drying the cake.4. The production process according to claim 3 , wherein the water-soluble silicate is sodium silicate.5. The production process according to claim 3 , wherein the water-soluble aluminum salt is aluminum sulfate.7. The method according to claim 6 , wherein the aluminum silicate has an amorphous structure according to a powder X-ray diffraction method. The present invention relates to aluminum silicate having a large cesium ion adsorption capacity and a production process therefor.Radioactive cesium which was released to the outside by the accident at the Fukushima No. 1 nuclear power plant caused by the Great East Japan Earthquake has become a big problem. Adsorption/immobilization using an adsorbent is expected as a method of removing radioactive cesium. As a method of adsorbing and removing a cesium ion, there is proposed a method making use of amorphous aluminum silicate (Non-Patent Document 1). Further, as a method of adsorbing and removing a cesium ion, there is proposed a method making use of zeolite or a lamellar silicate (Non-Patent Document 2). Patent Document 1 proposes mesoporous silica alumina gel.However, there is room for the improvement of the cesium ion adsorption ...

SULFIDES ELECTROLYTE FOR METAL PROCESSING AND EXTRACTION

A method includes contacting a metallic compound comprising a first metallic cation, with a melt comprising a metallic polysulfide comprising a second metallic cation, thereby forming a molten metallic polysulfide of the first metallic cation. The method also includes cooling the melt to form a sulfur phase and a solid phase comprising the molten metallic polysulfide of the first metallic cation. 1. A method , comprising:contacting a metallic compound comprising a first metallic cation, with a melt comprising a metallic polysulfide comprising a second metallic cation, thereby forming a molten metallic polysulfide of the first metallic cation, thencooling the melt to form a sulfur phase and a solid phase comprising the molten metallic polysulfide of the first metallic cation.2. The method of claim 1 , wherein the metallic compound comprises a metallic silicate.3. The method of claim 1 , wherein the metallic compound comprises a metallic aluminosilicate.4. The method of claim 1 , wherein the first metallic cation comprises an alkali metal cation.5. The method of claim 1 , wherein the first metallic cation comprises a potassium cation.6. The method of claim 5 , wherein the metallic compound comprises k-feldspar powder.7. The method of claim 6 , wherein the k-feldspar powder comprises a plurality of k-feldspar particles having a particle size substantially equal to or less than 2 mm.8. The method of claim 5 , wherein the metallic compound comprises potassium zeolite.9. The method of claim 5 , wherein the metallic polysulfide comprising the second metallic cation comprises NaS claim 5 , where n is an integer equal to or greater than 2.10. The method of claim 5 , wherein the metallic polysulfide comprising the first metallic cation comprises KS claim 5 , wherein n is greater than 2.11. The method of claim 10 , wherein the metallic polysulfide comprising the first metallic cation comprises KS.12. The method of claim 11 , further comprising:{'sub': 2', '6', '2', '4, ' ...

Jmz-12, a disordered aei/cha family of zeolites, its synthesis and use

The present invention is directed to a method of preparing a synthetic crystalline material, designated as JMZ-12, with a framework built up by the disorder AEI and CHA structures, substantially free of framework phosphorous and prepared preferably in the absence of halides such as fluoride ions. Such method comprises the step of heating a reaction mixture under crystallization conditions for a sufficient period to form a disordered zeolite having both CHA and AEI topologies, wherein the reaction mixture comprises at least one source of aluminum, at least one source of silicon, a source of alkaline or alkaline-earth cations, and a structure directing agent containing at least one source of quaternary ammonium cations and at least one source of alkyl-substituted piperidinium cations in a molar ratio of 0.20 to about 1.4. The resulting zeolites are useful as catalysts, particularly when used in combination with exchanged transition metal(s) and, optionally, rare earth metal(s).

EXTENDED USE ZIRCONIUM SILICATE COMPOSITIONS AND METHODS OF USE THEREOF

The present invention relates to zirconium silicate compositions having a lead content that is below 0.6 ppm and methods of manufacturing zirconium silicate at reactor volumes exceeding 200-L with a lead content below 1.1 ppm. The lead content of the zirconium silicate of this invention are within the levels that are considered acceptable for extended use given the dose requirements for zirconium silicate. 2. The composition of claim 1 , wherein the lead content ranges from 0.1 to 0.5 ppm.3. The composition of claim 1 , wherein the lead content ranges from 0.3 to 0.5 ppm.4. The composition of claim 1 , wherein the lead content ranges from 0.3 to 0.45 ppm.5. The composition of claim 1 , wherein the composition comprises less than 7% particles having a diameter less than 3 microns.6. The composition of claim 5 , wherein less than 0.5% of the particles in the composition have a diameter less than 1 microns.7. The composition of claim 1 , wherein the composition comprises less than 7% particles having a diameter less than 3 microns claim 1 , and the sodium content is below 12%.8. The composition of claim 1 , wherein the composition comprises less than 7% particles having a diameter less than 3 microns claim 1 , and the sodium content is 9% or less.9. The composition of claim 1 , wherein the composition exhibits an XRD diffractogram having the two highest peaks occur at approximately 15.5 and 28.9 claim 1 , with the highest peak occurring at 28.9.10. The composition of claim 1 , wherein the pH ranges from 7 to 9.11. The composition of claim 1 , wherein the potassium loading capacity is between 2.7 and 3.7 mEq/g.12. The composition of claim 1 , wherein the potassium loading capacity is approximately 3.5.13. A method for treatment of hyperkalemia comprising administering the composition of to a patient in need thereof.14. (canceled)15. (canceled)16. (canceled)17. (canceled)18. (canceled)19. (canceled)20. (canceled)21. (canceled)22. (canceled)23. (canceled)24. (canceled)25. ...

Method of Acid Manufacturing Using Ion Exchange Resins

A method of acid manufacturing using ion exchange resin allows for the production of acids on location where the acid is being utilized to prevent the necessity of transporting the acid. An ion exchange medium provides a medium for substituting hydrogen ions for salt cations within a salt solution in order to protonate the salt solution. As the salt solution becomes protonated to form an acid solution from the respective salt anion as the concentration of hydrogen increases. The ion exchange medium is recharged with a hydrogen ion source solution. The ion exchange resin is safe to transport even while charged with hydrogen ions. 1. A method of acid manufacturing using ion exchange resins comprises the steps of:(A) providing a salt solution, an ion exchange medium, an ion exchange vessel, a hydrogen ion source solution, and a quantity of salinated solution;(B) protonating the ion exchange medium with the hydrogen ion source solution to charge the ion exchange resin with hydrogen ions;(C) rinsing the ion exchange medium with the quantity of salinated solution to remove excess of the hydrogen ion source solution from the ion exchange medium;(D) simultaneously filling the ion exchange vessel with the salt solution;(E) submerging the charged ion exchange medium into the salt solution; and(F) protonating the salt solution by substituting the hydrogen ions from the ion exchange medium with cations within the salt solution.2. The method of acid manufacturing using ion exchange resins claim 1 , as claimed in claim 1 , comprises the step of:recharging the ion exchange medium with the hydrogen ion source solution.3. The method of acid manufacturing using ion exchange resins claim 2 , as claimed in claim 2 , wherein a conjugate base anion of the hydrogen ion source solution does not have a precipitating reaction with a cation of the salt solution.4. The method of acid manufacturing using ion exchange resins claim 1 , as claimed in claim 1 , wherein an acid concentration is ...

Composite material

Provided is a composite material including a plurality of porous silicate particles having a glass phase structure, a first active metal adsorbed into the glass phase structure of the porous silicate particles, and a modified layer containing a second active metal formed on the surfaces of the porous silicate particles. The porous silicate particles have an average pore diameter of from 3 nm to 50 nm, and the first active metal includes at least one of sodium, potassium, calcium, and magnesium.

REGENERATABLE ION EXCHANGE MATERIAL FOR REDUCING THE AMOUNT OF CO2

The present invention relates to a method for reducing the amount of COin a carbon dioxide-containing source by using a regeneratable ion exchange material. 1. A method for reducing the amount of COin a carbon dioxide-containing source by using a regeneratable ion exchange material , comprising the following steps of:a) providing at least one ion exchange material comprising at least one earth alkali metal cation,b) providing at least one carbon dioxide-containing source,c) providing at least one source of at least one cation which is capable of replacing the at least one earth alkali metal cation of the at least one ion exchange material,d) providing at least one source of at least one earth alkali metal cation, i) at least one ion exchange material, and', 'ii) at least one earth alkali metal cation released from the at least one ion exchange material of step a),, 'e) contacting the at least one ion exchange material of step a) with the at least one source of at least one cation of step c) such as to obtain a mixture comprising'}f) separating the at least one earth alkali metal cation of step ii) from the at least one ion exchange material of step i),g) contacting the at least one earth alkali metal cation obtained in step f) with the at least one carbon dioxide-containing source of step b) such as to obtain a carbonate salt of the at least one earth alkali metal cation, andh) contacting the at least one ion exchange material obtained in step f) with the at least one source of at least one earth alkali metal cation of step d) such as to regenerate the at least one ion exchange material of step a).2. The method of claim 1 , wherein the at least one ion exchange material of step a) is selected from a natural ion exchange material claim 1 , a modified ion exchange material claim 1 , a synthetic ion exchange material claim 1 , and mixtures thereof.3. The method of claim 1 , wherein the at least one ion exchange material of step a) comprises a natural ion exchange ...

Method of Acid Manufacturing Using Acid cation resins for Recycling Salt and/or Salt Products from Wastes and/or Waste Waters

A method of acid manufacturing using acid cation resins for recycling salt and/or salt products from wastes and/or waste waters utilizes a brine solution, an acid cation resin, an acid solution, and an ion exchanger. The acid cation resin is into hydrogen form with the acid solution within the ion exchanger. The acid cation resin is then washed using water with salinity to remove any excess acid from the exterior of the acid cation resin. A selected brine of salts is then prepared of the desired acid(s) to be produced. The desired acid is produced by contacting the acid cation resin containing cations in concentration with the selected brine. A second ion exchange reaction is executed to substitute hydrogen for cations in the selected brine. 1. A method of acid manufacturing using acid cation resins for recycling salt and/or salt products from wastes and/or waste waters comprises the steps of:regenerating an acid cation resin into hydrogen form with a first acid solution within the ion exchanger in an ion exchanger;washing the acid cation resin using water with salinity;preparing a recycled salt brine for the desired acid(s) to be produced from recycled salts;contacting the recycled salt brine with the acid cation resin containing cations in concentration to produce the desired recycled acid; andexecuting an ion exchange reaction to substitute hydrogen for cations in the recycled salt brine.2. The method of acid manufacturing using acid cation resins for recycling salt and/or salt products from wastes and/or waste waters claim 1 , as claimed in claim 1 , wherein the anions of the first acid solution and the cations of the acid cation resin are low enough in concentration to prevent precipitation in unacceptable amounts.3. The method of acid manufacturing using acid cation resins for recycling salt and/or salt products from wastes and/or waste waters claim 1 , as claimed in claim 1 , wherein the anions of the first acid solution and the cations of the recycled salt ...

CHA TYPE ZEOLITIC MATERIALS AND METHODS FOR THEIR PREPARATION USING COMBINATIONS OF CYCLOALKYL- AND TETRAALKYLAMMONIUM COMPOUNDS

The present invention relates to a process for the preparation of a zeolitic material having a CHA-type framework structure comprising YOand XO, wherein said process comprises the steps of: 115.-. (canceled)17. The process of claim 16 , wherein the crystallization in step (2) is conducted under solvothermal conditions.18. The process of claim 16 , wherein the mixture provided in step (1) does not contain any substantial amount of a trimethyl benzyl ammonium containing compound.19. The process of claim 16 , wherein the mixture provided in step (1) further comprises seed crystals.20. A synthetic zeolitic material having a CHA-type framework structure prepared by the process of .22. The zeolitic material of claim 21 , wherein the particle size D10 of the zeolitic material is comprised in the range of from 400 to 2500 nm.23. The zeolitic material of claim 21 , wherein the average particle size D50 of the zeolitic material is comprised in the range of from 600 to 3500 nm.24. The zeolitic material of claim 21 , wherein the particle size D90 of the zeolitic material is comprised in the range of from 1200 to 4 claim 21 ,500 nm.25. The zeolitic material of claim 21 , wherein the CHA-type framework contains 5 wt-% or less of the elements P and/or As based on 100 wt-% a of SiOcontained in the framework structure.27. The zeolitic material of claim 21 , wherein the SiO:AlOmolar ratio ranges from 4 to 200.29. The synthetic zeolitic material of claim 21 , wherein the material is an adsorbent material claim 21 , an ion-exchange material claim 21 , a catalyst or a catalyst support. The present invention relates to a process for the preparation of a zeolitic material as well as to a zeolitic material having the CHA-type framework structure as such and as obtainable from the inventive process. Furthermore, the present invention relates to the use of the inventive zeolitic materials in specific applications.Molecular sieves are classified by the Structure Commission of the ...

Methods for regenerating lithium-enriched salt baths

Methods for regenerating poisoned salt bath comprising providing a salt bath comprising at least one of KNO3 and NaNO3, providing an ion-exchangeable substrate comprising lithium cations, contacting at least a portion of the ion-exchangeable substrate with the salt bath, whereby lithium cations in the salt bath diffuse from the ion-exchangeable substrate and are dissolved in the salt bath, and selectively precipitating dissolved lithium cations from the salt bath using phosphate salt. The methods further include preventing or reducing the formation of surface defects in the ion-exchangeable substrate by preventing or reducing the formation of crystals on the surface of the ion-exchangeable substrate upon removal from the salt bath.

Regeneratable ion exchange material for reducing the amount of co2

The present invention relates to a method for reducing the amount of CO 2 in a carbon dioxide-containing source by using a regeneratable ion exchange material as well as to the use of a regeneratable ion exchange material for reducing the amount of CO 2 from a carbon dioxide-containing source.

PROCESS FOR TREATING FLUID WASTES

A method for treating a fluid waste, comprising adding one or more process additives to the fluid waste in an amount sufficient to change the wasteform chemistry is disclosed. The addition step may be chosen from adding a dispersant or a deflocculant an additive to decrease the reactive metal components, to bind fission products and decrease volatilization of toxic or radioactive elements or species during thermal treatment, or to target and react with the fine particle size component of the waste to decrease dusting and immobilize components in a durable phase. After mixing the fluid waste with the described additives the waste is eventually hot-isostatic pressing, to form a durable and stable waste form. 1. A method for treating a fluid waste , comprising adding one or more process additives to the fluid waste in an amount sufficient to change the wasteform chemistry , said method comprising: adding one or more dispersant or a deflocculant to the waste to change the rheology of the fluid;', 'adding one or more additives to decrease the reactive metal components;', 'adding one or more special additives to bind fission products and decrease volatilization of toxic or radioactive elements or species during thermal treatment; and', 'adding one or more additives to target and react with the fine particle size component of the waste to decrease dusting and immobilize components in a durable phase,, 'one or more of the following addition stepsmixing the fluid waste to form a slurry.2. The method of claim 1 , wherein the special additives to bind fission products comprises an ion exchanger.3. The method of claim 2 , wherein the ion exchanger comprises a zeolite that absorbs free toxic or radioactive ions from the waste liquor and bind them during subsequent thermal processing steps chosen from pre-hot isostatic pressing claim 2 , drying and calcination.4. The method of claim 3 , wherein the zeolite is chosen from clinoptilolite claim 3 , (Na claim 3 ,K claim 3 ,Ca)Al(Al ...

MICROPOROUS ZIRCONIUM SILICATE FOR THE TREATMENT OF HYPERKALEMIA

The present invention relates to novel microporous zirconium silicate compositions that are formulated to remove toxins, e.g. potassium ions, from the gastrointestinal tract at an elevated rate without causing undesirable side effects. The preferred formulations are designed avoid increase in pH of urine in patients and/or avoid potential entry of particles into the bloodstream of the patient. Also disclosed is a method for preparing high purity crystals of ZS-9 exhibiting an enhanced level of potassium exchange capacity. These compositions are particularly useful in the therapeutic treatment of hyperkalemia. 124-. (canceled)26. The composition of claim 25 , wherein less than 7% of the particles in the composition have a diameter less than 3 microns claim 25 , and the composition exhibits a sodium content below 12% by weight.27. The composition of claim 26 , wherein less than 4% of the particles in the composition have a diameter less than 3 microns.28. The composition of claim 26 , wherein less than 2% of the particles in the composition have a diameter less than 3 microns.29. The composition of claim 26 , wherein less than 1% of the particles in the composition have a diameter less than 3 microns.30. The composition of claim 26 , wherein less than 0.5% of the particles in the composition have a diameter less than 3 microns.31. The composition of claim 25 , wherein the protonated ZS-9 has a sodium content of below 12% by weight.32. The composition of claim 31 , wherein the protonated ZS-9 has a sodium content of below 6% by weight.33. The composition of claim 31 , wherein the protonated ZS-9 has a sodium content of below 3% by weight.34. The composition of claim 31 , wherein the protonated ZS-9 has a sodium content in a range of between 0.05 to 3% by weight.35. The composition of claim 25 , wherein the ZS-9 has a potassium exchange capacity of between 2.7 and 3.7 meq/g. This application is a continuation of U.S. patent application Ser. No. 14/496,978, filed Sep. 25 ...

METHOD, SYSTEM AND A PROCESS FOR PRODUCING FERTILIZERS FROM SEAWATER

The present invention relates to a process, methods and materials for generating fertilizers from seawater resources, especially in conjunction with seawater desalination plants. Here, we demonstrate that varying compositions of fertilizers such as nitrogen/potassium, nitrogen/phosphorus/potassium, nitrogen/potassium/sulfur, and nitrogen/phosphorus/potassium/sulfur, potassium/sulfur, potassium along with micro and secondary nutrients can directly be generated as part of the extraction process to meet the requirements of both starter and sustained phases of plant growth. 1. A method of extracting compounds from a brine solution comprising:a first step of loading the brine solution onto an ion exchange system to preferentially bind mono or divalent ions such as sodium ions, potassium ions, calcium ions, or magnesium ions;a second step of using an eluent with a first concentration after the first step resulting in a sodium rich salt solution; anda third step of using an eluent with a second concentration after the second step to generate a fertilizer composition comprising potassium ions along with at least phosphorus ions, ammonium ions, sulfur ions, calcium ions, magnesium ions, micronutrients or any combination thereof.2. The method of claim 1 , further comprising reclaiming the ammonic solution from the elution steps in a recovery process using eluent retained by the ion exchange system.3. The method of claim 1 , wherein the brine solution is concentrated seawater from a desalination process.4. The method of claim 1 , wherein the liquid fertilizer composition comprises at least one or more of the following ions: the phosphorus ions claim 1 , the ammonium ions claim 1 , the potassium ions claim 1 , the sulfur ions claim 1 , the calcium ions claim 1 , the magnesium ions claim 1 , micronutrients and impurities having a cumulative concentration of 1-800 g/L.5. The method of claim 1 , wherein the liquid fertilizer composition comprises at least one or more of the ...

SEPARATORS FOR LITHIUM-CONTAINING ELECTROCHEMICAL CELLS AND METHODS OF MAKING THE SAME

A porous separator for a lithium-containing electrochemical cell is provided herein. The porous separator includes a porous substrate and an active layer comprising lithium ion-exchanged zeolite particles. Methods of manufacturing the porous separator and lithium-containing electrochemical cells including the porous separator are also provided herein. 1. A method of manufacturing a porous separator for a lithium-containing electrochemical cell comprising:{'sup': +', '+', '+', '+', '+', '2+', '+, 'sub': '4', 'ion-exchanging precursor zeolite particles with Liions to form lithium ion-exchanged zeolite particles, wherein the precursor zeolite particles comprise one or more of the following cations: H, NH, Na, K, Mg, and Ca, and the lithium ion-exchanged zeolite particles havean average pore size diameter of less than or equal to about 1 nm; and(ii) an average particle diameter of less than or equal to about 20 μm;preparing a slurry comprising the lithium ion-exchanged zeolite particles and a polymeric binder material;depositing a layer of the slurry on a first side, a second side, or both the first and second sides of a porous substrate; anddrying the slurry to form an active layer on the first side, the second side, or both the first and second sides of the porous substrate, wherein the active layer has a thickness of less than or equal to about 20 μm.2. The method of claim 1 , wherein the lithium ion-exchanged zeolite particles have one or more of the following:an average pore size diameter of about 0.01 nm to about 1 nm;(ii) an average particle diameter of about 10 nm to about 20 μm; and{'sub': 2', '2', '3, '(iii) a SiO:AlOratio of about 10 to about 50; and/or the active layer has a thickness of about 50 nm to about 20 μm.'}3. The method of claim 1 , wherein the lithium ion-exchanged zeolite particles has pore openings defined by 8-member rings claim 1 , 9-membered rings claim 1 , 10-membered rings claim 1 , 12-membered rings or a combination thereof.4. The method ...

Molding for a hydrophobic zeolitic material and process for its production

The present invention relates to A process for the production of a molding, comprising (I) providing a zeolitic material; (II) mixing the zeolitic material provided in step (I) with one or more binders; (III) kneading of the mixture obtained in step (II); (IV) molding of the kneaded mixture obtained in step (III) to obtain one or more moldings; (V) drying of the one or more moldings obtained in step (IV); and (VI) calcining of the dried molding obtained in step (V); wherein the zeolitic material provided in step (I) displays a water adsorption ranging from 1 to 15 wt.-% when exposed to a relative humidity of 85%, as well as to a molding obtainable or obtained according to the inventive process in addition to a molding per se and to their respective use.

ONE-STEP METHOD FOR THE SYNTHESIS OF HIGH SILICA CONTENT ZEOLITES IN ORGANIC-FREE MEDIA

In an embodiment, the present disclosure pertains to a composition comprising a zeolite with high silica content. In some embodiments, the silica to aluminum ratio (SAR) for the zeolite is 2:1. In some embodiments, the zeolite comprises Zeolite HOU-2 (LTA-type). In some embodiments, the silica to aluminum ratio (SAR) for the zeolite is >3. In some embodiments, the zeolite comprises Zeolite HOU-3 (FAU type). In some embodiments, the zeolite is synthesized using a one-step method. In some embodiments, the zeolite is synthesized without the use of an organic structure-directing agent (OSDA). In some embodiments, the zeolite is synthesized without the use of post-synthesis dealumination. In some embodiments, the zeolite is synthesized without the use crystal seeds. In some embodiments, the zeolite is used in commercial ion exchange. In some embodiments, the zeolite is used for catalysis reaction. In some embodiments, the zeolite is highly thermostable. 1. A one-step organic-free method for the synthesis of LTA-type zeolites comprising:preparing a zeolite growth solution comprising an alumina source and a hydroxide source;adding a silica source to the zeolite growth solution to form an initial gel mixture;crystallization of the initial gel mixture;collecting products formed; andisolating the zeolites formed from the crystalline products, wherein the synthesis of the zeolites is without the use of organic structure-directing agents, wherein the synthesis of the zeolite is without the use of crystal seeds, wherein the silicon-to-hydroxide ratio in the initial gel mixture is greater than about 1 and less than about 1.5, and wherein the synthesized zeolite has a silicon-to-aluminum ratio of at least 2:1.2. The method of further comprising adding a cation as an extra-framework counterion in the zeolite growth solution.3. The method of claim 2 , wherein the extra-framework cation is an alkali metal.4. The method of claim 2 , wherein the extra-framework cation is Na.5. The ...

Sulfides Electrolyte for Metal Processing and Extraction

A method includes contacting a metallic compound comprising a first metallic cation, with a melt comprising a metallic polysulfide comprising a second metallic cation, thereby forming a molten metallic polysulfide of the first metallic cation. The method also includes cooling the melt to form a sulfur phase and a solid phase comprising the molten metallic polysulfide of the first metallic cation. 1. A method , comprising:contacting a metallic compound comprising a first metallic cation, with a melt comprising a metallic polysulfide comprising a second metallic cation, thereby forming a molten metallic polysulfide of the first metallic cation, thencooling the melt to form a sulfur phase and a solid phase comprising the molten metallic polysulfide of the first metallic cation.2. The method of claim 1 , wherein the metallic compound comprises a metallic silicate.3. The method of claim 1 , wherein the metallic compound comprises a metallic aluminosilicate.4. The method of claim 1 , wherein the first metallic cation comprises an alkali metal cation.5. The method of claim 1 , wherein the first metallic cation comprises a potassium cation.6. The method of claim 5 , wherein the metallic compound comprises k-feldspar powder.7. The method of claim 6 , wherein the k-feldspar powder comprises a plurality of k-feldspar particles having a particle size substantially equal to or less than 2 mm.8. The method of claim 5 , wherein the metallic compound comprises potassium zeolite.9. The method of claim 5 , wherein the metallic polysulfide comprising the second metallic cation comprises NaS claim 5 , where n is an integer equal to or greater than 2.10. The method of claim 5 , wherein the metallic polysulfide comprising the first metallic cation comprises KS claim 5 , wherein n is greater than 2.11. The method of claim 10 , wherein the metallic polysulfide comprising the first metallic cation comprises KS.12. The method of claim 11 , further comprising:{'sub': 2', '6', '2', '4, ' ...

MICROPOROUS ZIRCONIUM SILICATE FOR THE TREATMENT OF HYPERKALEMIA

The present invention relates to novel microporous zirconium silicate compositions that are formulated to remove toxins, e.g. potassium ions, from the gastrointestinal tract at an elevated rate without causing undesirable side effects. The preferred formulations are designed avoid increase in pH of urine in patients and/or avoid potential entry of particles into the bloodstream of the patient. Also disclosed is a method for preparing high purity crystals of ZS-9 exhibiting an enhanced level of potassium exchange capacity. These compositions are particularly useful in the therapeutic treatment of hyperkalemia. These compositions are also useful in the treatment of chronic kidney disease, coronary vascular disease, diabetes mellitus, and transplant rejection. 1. An individual pharmaceutical dosage composition comprising between 5-15 grams of zirconium {'br': None, 'sub': p', 'x', '1-x', 'n', 'y', 'm, 'AMZrSiGeO\u2003\u2003(I)'}, 'silicate of formula (I) 'A is a potassium ion, sodium ion, rubidium ion, cesium ion, calcium ion, magnesium ion,', 'in the ZS-9 form, where'} M is at least one framework metal, wherein the framework metal is hafnium (4+), tin (4+), niobium (5+), titanium (4+), cerium (4+), germanium (4+), praseodymium (4+), terbium (4+) or mixtures thereof,', '“p” has a value from about 0 to about 20,', '“x” has a value from 0 to less than 1,', '“n” has a value from about 1 to about 12,', '“y” has a value from 0 to about 12,', '“m” has a value from about 3 to about 36 and 1 Подробнее

Mycotoxin absorbent and the use thereof in balanced food for animals

One embodiment relates to a mycotoxin adsorbent highly specific for A and B trichothecenes, and especially for vomitoxin (or deoxinivalenol) and T-2 toxin; as well as a process for the preparation of the mycotoxin adsorbent. The adsorbent may be obtained by modifying the surface of an aluminum silicate using an organic functionalized-chain compound which provides it with high polarity properties. The adsorbent may be used in the preparation of balanced animal feed that avoids the toxic effects of the trichothecenes present in the feed. The combination of the adsorbent with aluminum silicates or organic aluminum silicates may be used for the preparation of balanced animal feeds that avoid the toxic effects of mycotoxins.

ZEOLITE MONOLITH AND METHOD OF MAKING THE SAME, COMPOSITE WITH ZEOLITE MONOLITH AND METHOD OF MAKING THE SAME, AND METHOD FOR INCORPORATING TWO OR MORE ZEOLITE MONOLITHS

A method of manufacturing a monolithic zeolite structure having a high fluid transport porous structure including the steps of: taking a porous or high fluid transport monolithic substrate; forming one or more zeolites on the substrate; and substantially or completely removing said substrate. There is also provided a method to combine two or more of distinct zeolite monolith structures and distinct carbon/zeolite monolithic composite structures in succession (as a tandem arrangement) for ‘tailored’ gas adsorption/catalytic conversion processes where one zeolite preferentially adsorbs, converts, on exchanges with one gas and the other preferentially adsorbs, converts, ion exchanges with another gas. There is also provided a method including synthesizing two or more zeolites in one high fluid transport zeolite monolithic zeolite or zeolite/composite monolithic structure. 1. A method of manufacturing a monolithic zeolite structure having a high fluid transport porous structure including the steps of:(a) taking a porous or high fluid transport monolithic substrate;(b) forming one or more zeolites on the substrate; and(c) substantially or completely removing said substrate.2. A method according to in which claim 1 , prior to step (b) claim 1 , the monolithic substrate is coated with one or more coating substances to provide a support layer which acts as a reinforcing layer on the zeolite after step (c) has been performed.3. A method according to in which the support/reinforcing layer is at least one of silica claim 2 , alumina claim 2 , a clay claim 2 , an alumina-silicate claim 2 , carbon from the substrate and may in addition to the support/reinforcing layer also include a carbon containing precursor carbonised to form a barrier layer between the support layer and the zeolite.4. A method according to (a) and (b) in which the porous monolithic substrate is composed of silicate from a colloidal silica precursor (other forms of silica are within the scope of this ...

CRYSTALLINE MOLECULAR SIEVES AND SYNTHESIS THEREOF

Crystalline molecular sieves and their synthesis using quaternary N-methyl-diisoalkylammonium cations as organic structure directing agents are disclosed. The structure directing agent has the following structure (1): 1. A crystalline molecular sieve , wherein the molecular sieve has a framework type of SSZ-47 and a three-dimensional framework comprising oxides of silicon and aluminum , comprising within its pore structure N ,N-dimethyl-di-sec-butylammonium cations.2. A method of synthesizing the crystalline molecular sieve of claim 1 , the method comprising subjecting to crystallization conditions one or more sources of oxides silicon and aluminum in the presence of fluoride ions claim 1 , water claim 1 , and N claim 1 ,N-dimethyl-di-sec-butylammonium cations.5. The method of claim 2 , wherein the crystallization conditions include a temperature of from 135° C. to 200° C. This application is a divisional application of pending U.S. patent application Ser. No. 15/215,657, filed Jul. 21, 2016 which claims priority to and the benefit of U.S. patent application Ser. No. 62/195,826, filed Jul. 23, 2015, the disclosures of which are fully incorporated herein by reference in their entireties.This disclosure relates generally crystalline molecular sieves and their synthesis using quaternary N-methyl-diisoalkylammonium cations as organic structure directing agents.Zeolites and zeolite-like materials are porous crystalline materials made of tetrahedral or octahedral oxide building blocks, linked together through tetrahedral or octahedral corner oxygen atoms. There are many ways in which the tetrahedral or octahedral building blocks may link to form polynuclear complex structures, having different topologies. In some structures, the building blocks link to form infinite chains, forming fibrous needle-like crystals. In other structures, the building blocks are linked in layers or sheets. In yet other structures, the building blocks are linked in three dimensions with mutual ...

METHOD FOR PREPARING SILICOTITANATE AND CS ADSORBENT

The present invention provides a method for mass production of silicotitanate at low costs using SiO; and a cesium adsorbent containing silicotitanate in which Na is substituted with H by acid treatment of Na-silicotitanate. The cesium adsorbent according to the present invention may be used in a filter for purification of air and water, and also as an agent for restoring soil, atmosphere and ocean contaminated with nuclide materials. 1. A method for preparing silicotitanate comprising:{'sub': 2', '2', '2', '2', '2, 'a first step of mixing SiO, TiO, NaOH and HO at a molar ratio of SiO:TiOranging from 1.1:1 to 1.5:1; and'}a second step of hydrothermally synthesizing the mixture of step 1 at a temperature of 90° C. to 180° C.2. The method for preparing silicotitanate of claim 1 , further comprising a third step of acid treating Na-silicotitanate formed in the second step.3. The method for preparing silicotitanate of claim 2 , wherein the molar ratio between SiOand TiOin the first step ranges from 1.3:1 to 1.4:1.4. The method for preparing silicotitanate of claim 2 , wherein the temperature during the hydrothermal synthesis in the second step ranges from 90° C. to 160° C.5. The method for preparing silicotitanate of claim 2 , wherein a time of hydrothermal synthesis ranges from 48 hours to 72 hours.6. The method for preparing silicotitanate of claim 2 , which uses hydrochloric acid claim 2 , sulfuric acid claim 2 , nitric acid or phosphoric acid in the acid treatment.7. The method for preparing silicotitanate of claim 2 , wherein an acid concentration used in the acid treatment ranges from 0.1 to 1.0 M.8. The method for preparing silicotitanate of claim 2 , wherein the SiOis fumed silica.9. The method for preparing silicotitanate of claim 2 , wherein the molar ratio of TiO:NaOH is 1:8.10. A cesium adsorbent containing silicotitanate in which Na is substituted with H by the acid treatment of Na-silicotitanate.11. The cesium adsorbent of claim 2 , wherein the Na- ...

METHODS FOR REGENERATING LITHIUM-ENRICHED SALT BATHS

Methods for regenerating poisoned salt bath comprising providing a salt bath comprising at least one of KNOand NaNO, providing an ion-exchangeable substrate comprising lithium cations, contacting at least a portion of the ion-exchangeable substrate with the salt bath, whereby lithium cations in the salt bath diffuse from the ion-exchangeable substrate and are dissolved in the salt bath, and selectively precipitating dissolved lithium cations from the salt bath using phosphate salt. The methods further include preventing or reducing the formation of surface defects in the ion-exchangeable substrate by preventing or reducing the formation of crystals on the surface of the ion-exchangeable substrate upon removal from the salt bath. 1. A method for regenerating a salt bath comprising:{'sub': 3', '3, 'heating a salt bath comprising a phosphate salt and at least one of KNOand NaNOto a temperature of greater than or equal to 360° C. and less than or equal to 430° C.;'}contacting at least a portion of an ion-exchangeable substrate comprising lithium cations with the salt bath, whereby lithium cations diffuse from the ion-exchangeable substrate and are dissolved in the salt bath; andselectively precipitating dissolved lithium cations from the salt bath, wherein the concentration of dissolved lithium in the salt bath is greater than or equal to 0 wt % lithium and less than or equal to 2.0 wt % lithium.2. The method for regenerating a salt bath of claim 1 , wherein the ion-exchangeable substrate comprises greater than or equal to 2.0 mol % LiO and less than or equal to 15 mol % LiO.3. The method for regenerating a salt bath of claim 1 , wherein the dissolved lithium cations are selectively precipitated by reacting with the phosphate salt thereby forming at least one of insoluble LiPO claim 1 , insoluble LiNaPOor insoluble LiNaPO.4. The method for regenerating a salt bath of claim 1 , wherein the phosphate salt is selected from the group consisting of NaPO claim 1 , KPO claim 1 ...

Microporous Zirconium Silicate for the Treatment of Hyperkalemia

The present invention relates to novel microporous zirconium silicate compositions that are formulated to remove toxins, e.g. potassium ions, from the gastrointestinal tract at an elevated rate without causing undesirable side effects. The preferred composition has at least 95% ZS-9. These compositions are particularly useful in the therapeutic treatment of hyperkalemia. These compositions are also useful in the treatment of chronic kidney disease, coronary vascular disease, diabetes mellitus, and transplant rejection.

Microporous zirconium silicate for the treatment of hyperkalemia

The present invention relates to novel microporous zirconium silicate compositions that are formulated to remove toxins, e.g. potassium ions, from the gastrointestinal tract at an elevated rate without causing undesirable side effects. The preferred formulations are designed avoid increase in pH of urine in patients and/or avoid potential entry of particles into the bloodstream of the patient. Also disclosed is a method for preparing high purity crystals of UZSi-9 exhibiting an enhanced level of potassium exchange capacity. These compositions are particularly useful in the therapeutic treatment of hyperkalemia.

INORGANIC MATERIAL FOR REMOVING HARMFUL SUBSTANCE FROM WASTEWATER AND METHOD OF PREPARING THE SAME, AND METHOD FOR WASTEWATER TREATMENT

An inorganic material for removing a harmful substance from wastewater is provided. The inorganic material includes a plurality of porous silicate particles having a glass phase structure, wherein the plurality of porous silicate particles include silicon dioxide, aluminum oxide, barium oxide, cesium oxide, and boron oxide, and have a zeta potential of a negative value at pH of from 1 to 5, and wherein the average pore diameter of the porous silicate particles is in a range of from 3 to 50 nm. Moreover, a method for preparing an inorganic material for removing a harmful substance from wastewater and a method for wastewater treatment are further provided. 1. An inorganic material for removing a harmful substance from wastewater , comprising:a plurality of porous silicate particles having a glass phase structure, wherein the porous silicate particles comprise silicon dioxide, aluminum oxide, barium oxide, cesium oxide, and boron oxide, and wherein the porous silicate particles have an average pore diameter of from 3 nm to 50 nm, and have a zeta potential of a negative value at pH of from 1 to 5.2. The inorganic material of claim 1 , wherein the porous silicate particles have a specific surface area of from 65 m/g to 500 m/g.3. The inorganic material of claim 1 , wherein pore diameters of at least 60% pore volume of the porous silicate particles are in a range of from 3 nm to 50 nm.4. The inorganic material of claim 1 , wherein the porous silicate particles have a specific weight of from 0.5 g/cmto 0.8 g/cm.5. The inorganic material of claim 1 , wherein the silicon dioxide and the aluminum oxide in the component of the porous silicate particles are at a weight ratio of from 2 to 5.6. The inorganic material of claim 1 , further comprising an active metal adsorbed into the glass phase structure of the porous silicate particles.7. The inorganic material of claim 6 , wherein the active metal comprises at least one of sodium claim 6 , potassium claim 6 , calcium claim 6 , ...

ZEOLITE MEMBRANE STRUCTURE AND METHOD FOR PRODUCING SAME

A zeolite membrane structure includes a porous support, and a zeolite membrane. The zeolite membrane has a first zeolite layer located in a surface of the porous support, and a second zeolite layer located outside of the surface of the porous support and integrally formed with the first zeolite layer. The porous support has an outermost layer in which the first zeolite layer is located. An average thickness of the first zeolite layer is less than or equal to 5.4 micrometers. An average pore diameter of the outermost layer is greater than or equal to 0.050 micrometers and less than or equal to 0.150 micrometers. 1. A zeolite membrane structure comprising:a porous support, anda zeolite membrane, andthe zeolite membrane having a first zeolite layer located in a surface of the porous support, and a second zeolite layer located outside of the surface of the porous support and integrally formed with the first zeolite layer,the porous support having an outermost layer in which the first zeolite layer is located,an average thickness of the first zeolite layer being less than or equal to 5.4 micrometers, anda 50% diameter in a volume-accumulated pore diameter distribution of the outermost layer measured by use of a pore diameter distribution measurement apparatus being greater than or equal to 0.050 micrometers and less than or equal to 0.150 micrometers.2. The zeolite membrane structure according to claim 1 , wherein a ratio of an average thickness of the first zeolite layer to an average thickness of the second zeolite layer is less than or equal to 2.0.3. The zeolite membrane structure according to claim 1 , wherein an average thickness of the first zeolite layer is less than or equal to 2.5 micrometers.4. A method of manufacturing a zeolite membrane structure comprising:coating a slurry for seeding containing a zeolite seed crystals on a surface of a porous support, andcausing crystal growth of the zeolite seed crystals, and whereina ratio of a 10% diameter in a volume- ...

Extended use zirconium silicate compositions and methods of use thereof

The present invention relates to zirconium silicate compositions having a lead content that is below 0.6 ppm and methods of manufacturing zirconium silicate at reactor volumes exceeding 200-L with a lead content below 1.1 ppm. The lead content of the zirconium silicate of this invention are within the levels that are considered acceptable for extended use given the dose requirements for zirconium silicate.

MICROPOROUS ZIRCONIUM SILICATE FOR THE TREATMENT OF HYPERKALEMIA

The present invention relates to novel microporous zirconium silicate compositions that are formulated to remove toxins, e.g. potassium ions, from the gastrointestinal tract at an elevated rate without causing undesirable side effects. The preferred formulations are designed avoid increase in pH of urine in patients and/or avoid potential entry of particles into the bloodstream of the patient. Also disclosed is a method for preparing high purity crystals of UZSi-9 exhibiting an enhanced level of potassium exchange capacity. These compositions are particularly useful in the therapeutic treatment of hyperkalemia. 146-. (canceled)47. A cation exchange composition comprising a zirconium silicate wherein the composition exhibits an x-ray powder diffraction spectrum indicating at least the following d-spacing values:a first d-spacing within the range of 2.7-3.5 angstroms having a first intensity value,a second d-spacing within the range of 5.3-6.1 having a second intensity value, wherein the second intensity value is less than the first intensity value,a third d-spacing within the range of 1.6-2.4 angstroms having a third intensity value,a fourth d-spacing within the range of 2.0-2.8 angstroms having a fourth intensity value, anda fifth d-spacing within the range of 5.9-6.7 angstroms having a fifth intensity value, wherein the third, fourth, and fifth intensity values are each lower than the first and second intensity values, wherein the composition exhibits a median particle size of greater than 3 microns, and the composition exhibits a sodium content below 12% by weight.48. The composition of claim 47 , wherein less than 7% of the particles in the composition have a diameter less than 3 microns.49. The composition of claim 47 , wherein less than 4% of the particles in the composition have a diameter less than 3 microns.50. The composition of claim 47 , wherein less than 1% of the particles in the composition have a diameter less than 3 microns.51. The composition of ...

additive to maximize fcc light olefins and process for preparation thereof

aditivo para maximizar olefinas leves em fcc e processo para preparação do mesmo. a presente invenção diz respeito a um processo para produção de aditivos para catalisadores de craqueamento catalitico fluido (fcc) a base de zeólita seletiva a olefinas leves, com a finalidade de aumentar os rendimentos, nas unidades de (fcc), de gás liquefeito de petróleo (glp) e olefinas leves, de alto valor agregado, entre outros propeno e isobuteno. essa invenção provê um método de preparação de composições cataliticas, a partir de zeólita modificada com fosfato e metal alcalinoterroso, que resulta na obtenção de um aditivo com melhor desempenho que os aditivos, de composições similares, obtidos por outros métodos do estado-da-técnica. o processo pode ser considerado uma evolução em relação a outros processos, posto que promove a interação entre a zeólita seletiva a olefinas leves e seu ativador, um reagente "x". para tal, utiliza-se uma etapa isolada durante a sequência de etapas do preparo. outrossim, a zeólita não sofre tratamentos adicionais como filtração, lavagem ou calcinação após o tratamento com seu ativador. esse aditivo pode ser obtido a partir de qualquer zeólita comercial seletiva a olefinas leves, como a zeólita do tipo zsm-5. additive to maximize fcc light olefins and process for preparation thereof. The present invention relates to a process for the production of additives for fluid catalytic cracking catalysts (fcc) based on light olefin selective zeolite for the purpose of increasing the yields of (lcc) units of liquefied petroleum gas (glp) and high value-added light olefins, among others propylene and isobutene. This invention provides a method of preparing catalytic compositions from phosphate modified zeolite and alkaline earth metal which results in a better performing additive than additives of similar compositions obtained by other state-of-the-art methods. . The process can be considered an evolution in relation to other processes, since it ...

Process for removal of oxygenates from a paraffin stream

The present invention comprises a process for removal of oxygenates from a paraffin-rich or olefin-rich paraffin stream which comprises passing a feed stream, comprising one or more C10 to C15 feed paraffins or C10 to C15 olefin-rich paraffin stream and one or more oxygenates through an adsorbent bed comprising one or more adsorbents selected from silica gel, activated alumina and sodium x zeolites to remove essentially all of said oxygenates; and recovering said paraffins. A second adsorbent bed may be employed to more thoroughly remove these oxygenates.

Molecularly imprinted polymer granules for extraction of lithium, mercury and scandium

FIELD: molecularly imprinted polymers.SUBSTANCE: group of inventions relates to molecularly imprinted polymers, namely macroporous polymer granules for binding target molecules, methods for producing granules and methods for selective sequestration of one or more target ions from a solution of one or more target metal ions mixed with other ions. The set of macroporous polymer granules contains a copolymer having a set of complexing cavities that selectively bind Au(S2O3)23-, the copolymer being prepared from: (a) a cationic ligand monomer complexed with a non-metallic substitute ion selected from the group consisting of tetrathionate, pentathionate, hexathionate, hexadionate, heptyldionate, octyldionate, 1,4-phenylenediacetate, butanedisulfonate, pentanedisulfonate and hexanedisulfonate, (b) a non-ligand monomer and (c) a crosslinking monomer, the charge of the copolymer being opposite to the charge of the copolymer in the complexing cavity of the metal. In various embodiments, the granules are designed to bind scandium tricarbonate, Li+and Hg2+, while the copolymer can be obtained in particular from a cationic ligand monomer complexed with a tribasic salt of benzene-1,3,5-triyl tricarboxylate, complex 1-(4-vinylpyridin-2-yl) methanimine, optionally substituted with a C4-C24branched or unbranched alkyl group on the imine nitrogen atom, with Li+, and a complex of bis-4-vinylbenzyl dithiocarbamate Ca2+, where R is a C4-C24branched or unbranched alkyl group, respectively. The sequestration method includes first contacting the macroporous polymer granules with a stripping solution, whereby complexed ions are removed from the granules, and then contacting the cleaned granules with the solution.EFFECT: granules are characterized by high performance and low cost, yet they are highly selective and their production is safe and scalable.20 cl, 1 dwg РОССИЙСКАЯ ФЕДЕРАЦИЯ ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) (19) RU (11) (13) 2 748 350 C2 (51) МПК B01J 20/ ...

Method of obtaining zeolite zsm-5 with application of nanocrystal seeds zsm-5

FIELD: chemistry. SUBSTANCE: invention relates to the synthesis of zeolite ZSM-5. First, a nanocrystal seed ZSM-5 with the particle size 70-300 nm is obtained. The seed in an amount of 0.1-6.0% is added to mother liquor, which includes water-soluble glass as a silicon dioxide source, an aluminium oxide source, a neutralising agent and water. The reaction mixture is kept at a temperature of 150-200°C for its crystallisation. EFFECT: invention makes it possible to synthesise small and uniform in size ZSM-5 crystals, which do not contain admixtures. 5 cl, 11 dwg, 2 tbl, 5 ex РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (51) МПК C01B 39/38 (13) 2 540 550 C2 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ОПИСАНИЕ (21)(22) Заявка: ИЗОБРЕТЕНИЯ К ПАТЕНТУ 2012115971/05, 18.10.2010 (24) Дата начала отсчета срока действия патента: 18.10.2010 Приоритет(ы): (30) Конвенционный приоритет: (43) Дата публикации заявки: 27.11.2013 Бюл. № 33 (45) Опубликовано: 10.02.2015 Бюл. № 4 (85) Дата начала рассмотрения заявки PCT на национальной фазе: 21.05.2012 C 2 C 2 with variable cristallite size", Zeolite, v. 11, p.511-517, 1991. US 5174981 A, 29.12.1992. US 4954326 A, 04.09.1990. US 4606900 A, 19.08.1986. US 7244409 B1, 17.07.2007. RU 2243156 C2, 27.12.2004. RU 2143397 C1, 27/12/ 1999. RU 2174952 C1, 20.10.2001. SU 1472447 A1, 15.14.1989 (73) Патентообладатель(и): ЭсКей ИННОВЕЙШН КО., ЛТД. (KR) (86) Заявка PCT: 2 5 4 0 5 5 0 KR 2010/007116 (18.10.2010) R U 2 5 4 0 5 5 0 (56) Список документов, цитированных в отчете о поиске: SHIRALKAR V.P. "Sinthesis of ZSM-5 R U 20.10.2009 KR 10-2009-0099550 (72) Автор(ы): ЧОИ Сан (KR), ПАРК Дэук Су (KR), КИМ Сак Джун (KR), ЧУ Даэ Хюн (KR), ПАРК Йонг Ки (KR), Ли Чул Ви (KR), КИМ Хи Йанг (KR), ЧОИ Вон Чун (KR), КАНГ На Йонг (KR), СОНГ Бу Саб (KR) (87) Публикация заявки PCT: WO 2011/049333 (28.04.2011) Адрес для переписки: 107061, Москва, Преображенская площадь, 6, ООО "Вахнина и Партнеры" (54) СПОСОБ ПОЛУЧЕНИЯ ЦЕОЛИТА ZSM-5 С ИСПОЛЬЗОВАНИЕМ ...

Process for removal of oxygenates from a paraffin stream

본 발명은 1 이상의 C 10 내지 C 15 공급물 파라핀, C 10 내지 C 15 올레핀 풍부 파라핀 스트림 및 1 이상의 옥시게네이트를 포함하는 공급물 스트림을 실리카 겔, 활성 알루미나 및 나트륨 X 제올라이트로부터 선택되는 1 이상의 흡착제를 포함하는 흡착 층에 통과시켜 실질적으로 모든 옥시게네이트를 제거하는 단계 및 상기 파라핀을 회수하는 단계를 포함하는 파라핀 풍부 또는 올레핀 풍부 파라핀 스트림으로부터 옥시게네이트를 제거하는 방법을 포함한다. 제2 흡착 층은 이러한 옥시게네이트를 더 완벽하게 제거하기 위해 사용될 수 있다. 파라핀, 올레핀, 옥시게네이트

Patent RU2016119585A3

`”ВУ“” 2016119585`” АЗ Дата публикации: 07.05.2018 Форма № 18 ИЗ,ПМ-2011 Федеральная служба по интеллектуальной собственности Федеральное государственное бюджетное учреждение ж Я «Федеральный институт промышленной собственности» (ФИПС) ОТЧЕТ О ПОИСКЕ 1. . ИДЕНТИФИКАЦИЯ ЗАЯВКИ Регистрационный номер Дата подачи 2016119585/04(030849) 22.10.2014 РСТ/ЕР2014/072609 22.10.2014 Приоритет установлен по дате: [ ] подачи заявки [ ] поступления дополнительных материалов от к ранее поданной заявке № [ ] приоритета по первоначальной заявке № из которой данная заявка выделена [ ] подачи первоначальной заявки № из которой данная заявка выделена [ ] подачи ранее поданной заявки № [Х] подачи первой(ых) заявки(ок) в государстве-участнике Парижской конвенции (31) Номер первой(ых) заявки(ок) (32) Дата подачи первой(ых) заявки(ок) (33) Код страны 1. 13 189 907.2 23.10.2013 ЕР* Название изобретения (полезной модели): [Х] - как заявлено; [ ] - уточненное (см. Примечания) ФОРМОВАННОЕ ИЗДЕЛИЕ ИЗ ГИДРОФОБНОГО ЦЕОЛИТНОГО МАТЕРИАЛА И СПОСОБ ЕГО ПОЛУЧЕНИЯ Заявитель: БАСФ СЕ, РЕ 2. ЕДИНСТВО ИЗОБРЕТЕНИЯ [Х] соблюдено [ ] не соблюдено. Пояснения: см. Примечания 3. ФОРМУЛА ИЗОБРЕТЕНИЯ: [Х] приняты во внимание все пункты (см. Примечания) [ ] приняты во внимание следующие пункты: [ ] принята во внимание измененная формула изобретения (см. Примечания) 4. КЛАССИФИКАЦИЯ ОБЪЕКТА ИЗОБРЕТЕНИЯ (ПОЛЕЗНОЙ МОДЕЛИ) (Указываются индексы МПК и индикатор текущей версии) ВО1. 29/59 (2006.01) ВО1.] 35/10 (2006.01) ВОТ. 35/02 (2006.01) ВОТ. 29/035 (2006.01) В01.] 39/08 (2006.01) ВО1. 20/10 (2006.01) В01.] 37/08 (2006.01) В01./ 39/14 (2006.01) 5. ОБЛАСТЬ ПОИСКА 5.1 Проверенный минимум документации РСТ (указывается индексами МПК) 5.2 Другая проверенная документация в той мере, в какой она включена в поисковые подборки: 5.3 Электронные базы данных, использованные при поиске (название базы, и если, возможно, поисковые термины): РУ/РТ, Езрасепек, Соозе, Раеагсв, КОРТО 6. ДОКУМЕНТЫ, ОТНОСЯЩИЕСЯ К ПРЕДМЕТУ ПОИСКА Кате- ...

Zeolite adsorbents with high external surface area and application thereof

本发明涉及包含至少一种A类沸石的至少一种沸石吸附剂材料用于气体分离和/或气体干燥的用途，所述吸附剂具有大于20 m 2 .g ‑1 的外表面积，非沸石相（PNZ）含量使得0<PNZ≤30%，以及1.0至2.0的吸附剂的Si/Al原子比。本发明还涉及沸石吸附剂材料，其具有1.0至2.0的吸附剂的Si/Al比，0.07 cm 3 .g ‑1 至0.18 cm 3 .g ‑1 的介孔体积，‑0.3至1.0（不含边界）的(V micro ‑V meso )/V micro 比，非沸石相（PNZ）含量使得0<PNZ≤30%。

MOLECULAR-IMPRINTED POLYMER GRANULES FOR EXTRACTION OF LITHIUM, MERCURY AND SCANDIUM

РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (13) 2019 115 932 A (51) МПК B01J 20/26 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ЗАЯВКА НА ИЗОБРЕТЕНИЕ (21)(22) Заявка: 2019115932, 03.11.2017 (71) Заявитель(и): 6С ВЭЙВ ИННОВЭЙШНС КОРП. (US) Приоритет(ы): (30) Конвенционный приоритет: 03.11.2016 US 62/417,164 (85) Дата начала рассмотрения заявки PCT на национальной фазе: 03.06.2019 R U (43) Дата публикации заявки: 03.12.2020 Бюл. № 34 (72) Автор(ы): САУТАРД, Глен Э. (US), ГЛЮКМАН, Джонатан П. (US) (86) Заявка PCT: (87) Публикация заявки PCT: WO 2018/085626 (11.05.2018) R U (54) МОЛЕКУЛЯРНО-ИМПРИНТИРОВАННЫЕ ПОЛИМЕРНЫЕ ГРАНУЛЫ ДЛЯ ЭКСТРАКЦИИ ЛИТИЯ, РТУТИ И СКАНДИЯ (57) Формула изобретения 1. Множество макропористых полимерных гранул, содержащих сополимер, имеющий множество комплексообразующих полостей, которые селективно связывают Au(S2O3)23-, причем сополимер получен из: (a) мономера катионного лиганда, связанного в комплекс с неметаллическим заменяющим ионом выбранным из группы, состоящей из тетратионата, пентатионата, гексатионата; гексадионата, гептилдионата, октилдионата; 1,4-фенилендиацетата; бутандисульфоната, пентандисульфоната и гександисульфоната, (b) нелигандного мономера и (c) сшивающего мономера; причем заряд сополимера в комплексообразующей полости противоположен заряду целевого иона металла. 2. Множество макропористых полимерных гранул, содержащих сополимер, имеющий множество комплексообразующих полостей, которые селективно связывают трикарбонат скандия, причем сополимер получен из: (a) мономера катионного лиганда, связанного в комплекс с трехосновной солью бензол-1,3,5-триил-трикарбоксилатом, (b) нелигандного мономера и (c) сшивающего мономера; причем заряд сополимера в комплексообразующей полости противоположен заряду Стр.: 1 A 2 0 1 9 1 1 5 9 3 2 A Адрес для переписки: 190000, Санкт-Петербург, БОКС-1125 2 0 1 9 1 1 5 9 3 2 US 2017/059870 (03.11.2017) 2 0 1 9 1 1 5 9 3 2 R U с Li+, (b) необязательного нелигандного мономера и (c) сшивающего ...

Manufacturing method of mixed cation adsorbent by one-step ion-exchange

본 발명은 단일 통과 이온 교환과 관련한 혼합된 양이온 흡착제의 제조를 위한 개선된 방법에 관한 것이다. 전구체(이온-교환) 제올라이트를 필수적으로 화학량론적인 량의 강하게 보유된 양이온 및 화학량론적인 량을 초과하는 량의 약하게 보유된 양이온을 포함하는 용액으로 처리하여 생성되는 제올라이트가 적은 량의 약하게 보유된 양이온을 소모하면서 소정의 혼합된 양이온 조성을 가지게 된다. 이온 교환 처리후, 균일한 흡착제를 얻기 위하여 광학적인 평형화 단계 및 광학적 세척 단계를 포함한다. ※ 선택도 : 제1도

Abrasion-resistant granular zeolite and process for preparation thereof

Disclosed is an abrasion-resistant granular zeolite formed from a mixture of a synthetic zeolite and a clay binder, said granular zeolite comprising a core composed of a synthetic zeolite clay binder mixture containing the synthetic zeolite at a content higher than the average synthetic zeolite content in the granular zeolite and a shell composed of a synthetic zeolite-clay binder mixture containing the clay binder at a content higher than the average clay binder content in the granular zeolite. This granular zeolite is excellent in both the zeolitic characteristics such as adsorbability and ion exchange capacity and the mechanical strength characteristics such as abrasion resistance and compression strength.

Process for continuous removal of ammoniacal nitrogen from aqueous streams

A continuous process for removal of ammoniacal nitrogen from water is disclosed. This process is useful for maintaining water quality in aquaculture operations, e.g., fish hatcheries and the like. A particulate stream of zeolitic ion exchange material is circulated continuously through an exchanger and a regenerator. An aqueous process stream containing ammoniacal nitrogen, e.g., ammonia, is passed through the exchanger in continuous counter current liquid-solid contact with a stream of particulate, ammoniacal nitrogen-sorbing zeolitic ion exchange material of natural or synthetic origin. A treated liquid water stream having a reduced ammoniacal nitrogen content exits from the exchanger, as does a stream of ammoniacal nitrogen-enriched particulate zeolitic ion exchange material. The latter stream is regenerated in the regenerator at a temperature of about 350° C. to about 650° C. while an oxygen-containing gas stream, e.g., air, is passed in continuous counter current gas-solid contact therewith. Gases emanating from the regenerator are used to preheat the ammoniacal-nitrogen enriched particulate material that enters the regenerator. The regenerated stream of particulate, ammoniacal nitrogen-sorbing zeolitic ion exchange material is recycled to the exchanger.

Fluid treatment system

본 발명은 한 실시예에서 오염된 유체를 처리하는 장치를 제공한다. 상기 장치는 다수의 차폐된 모듈들을 서로 유체가 유동하게 포함한다. 각각의 모듈은 압력 용기를 통과하는 유체로부터 방사능 오염물을 제거하도록 선택되는 처리 매체를 수용하도록 된 내측의 압력 용기를 포함한다. 상기 모듈은 또한 상기 오염된 처리 매체와 함께 모듈의 처리 및 보관을 용이하게 하며 압력 용기내의 처리 매체에 의해 축적된 방사능 오염물로부터의 방사능을 감쇠시키도록 디자인되고 압력 용기를 둘러싸는 외측의 차폐 용기를 포함한다. 끝으로, 환형의 영역이 압력 용기에 축적된 방사능 오염물로부터의 붕괴열을 제거하기 위하여 냉각 매체가 관통하여 통과하도록 차폐 용기와 압력 용기 사이에 형성된다.

Detergent compositions containing sodium aluminosilicate builders

Detergent compositions containing aluminosilicate ion exchange materials as builders are provided. The aluminosilicate builders are characterized by the speed and efficiency with which they remove hardness ions from water.

Zeolite membrane structure and method for producing the same

The method for manufacturing of advanced ion exchange illite(silverlite).

본 발명은 특허 제0383454호에 개제되어 있는 이온교환 일라이트의 제조방법을 보다 정립되고 효능을 더욱 증진시킨 제조방법으로 일라이트뿐만 아니라 천연에 다량 존재하고 있는 천연 제오라이트 및 점토광물 그리고 맥반석등의 희귀광석과 합성 제오라이트도 일정한 배합비로 혼합시킨 복합치환체에 은이온을 치환시켜 항균성과 그에 따른 지속성을 배가시키기 위해 개량된 이온교환 일라이트의 제조방법에 관한 것이다. 또한 일라이트와 천연 제오라이트 및 점토광물 그리고 맥반석등을 사용하여 그 물질 자체가 가지고 있는 특성을 잘 살려 적정하게 배합함으로서 성능을 향상시키고 이 배합비를 기초로 하여 원물질을 나노화시킨 다음 여기에 은이온을 치환함으로서 더욱더 성능을 향상시킬려는 것이 본 발명의 목적이다.

Method of removing radioactive cesium, hydrophilic resin composition for removing radioactive cesium, method of removing radioactive iodine and radioactive cesium and hydrophilic composition for removing radioactive iodine and radioactive cesium

FIELD: physics. SUBSTANCE: group of inventions relates to methods of removing radioactive cesium. Method of removing radioactive cesium, is carried out using hydrophilic resin composition. Hydrophilic resin composition contains one hydrophilic resin, selected from group consisting of hydrophilic polyurethane resin, hydrophilic polyurea resin and hydrophilic polyurethane-polyurea resin, each of which has hydrophilic segment. Where hydrophilic resin composition contains clay mineral, dispersed in ratio from 1 to 180 weight parts relative to 100 weight parts of hydrophilic resin. There are also variants of method of removing radioactive cesium and iodine, hydrophilic resin composition. EFFECT: group of inventions allows to capture and keep removed radioactive substance in solid body. 23 cl, 9 dwg, 19 tbl, 8 ex РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (13) 2 603 201 C1 (51) МПК G21F 9/12 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ОПИСАНИЕ ИЗОБРЕТЕНИЯ К ПАТЕНТУ 2015132180/07, 18.02.2014 (21)(22) Заявка: (24) Дата начала отсчета срока действия патента: 18.02.2014 Приоритет(ы): (30) Конвенционный приоритет: JP JP JP JP 2013-030265; 2013-037343; 2013-058844; 2013-084337 (45) Опубликовано: 27.11.2016 Бюл. № 33 (56) Список документов, цитированных в отчете о поиске: WO 2011056288A1, 12.05.2011. RU 2135284 C1, 27.08.1999. RU 2055640 C1, 10.03.1996. US 4927796 A1, 22.05.1990. US 3599577 A1, 17.08.1971. (86) Заявка PCT: JP 2014/053822 (18.02.2014) C 1 C 1 (85) Дата начала рассмотрения заявки PCT на национальной фазе: 21.09.2015 (87) Публикация заявки PCT: 2 6 0 3 2 0 1 WO 2014/129478 (28.08.2014) R U 2 6 0 3 2 0 1 (73) Патентообладатель(и): ДАЙНИТИСЕЙКА КОЛОР ЭНД КЕМИКАЛС МФГ. КО., ЛТД. (JP), УКИМА КЕМИКАЛС ЭНД КОЛОР МФГ. КО., ЛТД. (JP) R U 19.02.2013 27.02.2013 21.03.2013 12.04.2013 (72) Автор(ы): ХАНАДА Казуюки (JP), КИМУРА Казуя (JP), МУТО Кадзуаки (JP), ТАКАХАСИ Кенити (JP), УРУНО Манабу (JP) Адрес для переписки: 197101, Санкт-Петербург, а/я 128, "АРСПАТЕНТ ...

Ion exchange materials for the separation of 90y from 90sr

Inorganic ion exchange materials for the separation of 90 Y from 90 Sr include clinoptilolite, potassium titanosilicate pharmacosiderite, sodium titanosilicate and sodium nonatitanate. These materials are suitable for making a 90 Y generator that contains 90 Sr immobilized on an ion exchange column of the materials. The materials have a very high selectivity for 90 Sr, a very low selectivity for 90 Y, good radiation and thermal stability, low toxicity, fast reaction kinetics, and can be readily and reproducibly synthesized. A method is thus provided for eluting 90 Y from the ion exchange material with an aqueous solution to obtain a carrier-free solution of 90 Y.

Method for manufacturing n-alkyl-2-pyrrolidone

PURPOSE: Provided is a method for manufacturing N-alkyl-2-pyrrolidone by reacting alkylamines under mild reaction condition, thereby producing N-alkyl-2-pyrrolidone(NAP) stablely with high yield for a long time. CONSTITUTION: In a method for manufacturing N-alkyl-2-pyrrolidone by reacting a mixture of gammabutyrolactone(GBL), alkylamine and water in a catalyst reaction system, it is characterized in that the molar ratio of gammabutyrolactone:alkylamine:water is 1:(1-6):(1-18), its reaction temperature and pressure are 200-400 deg.C and 0-20kg/cm¬2G, respectively, it uses beta zeolite(MeNa beta) as a catalyst, and the space speed of reaction products is 0.1-20 hour¬-1.

Method for removing radioactive cesium, hydrophilic resin composition for removal of radioactive cesium, method for removing radioactive iodine and radioactive cesium, and hydrophilic resin composition for removal of radioactive iodine and radioactive cesium

간단하고 또한 저비용으로, 나아가서는 전력 등의 에너지원을 필요로 하지 않고, 게다가, 제거한 방사성 물질을 고체 내부에 넣어서 안정적으로 고정화할 수 있고, 필요에 대응하여 방사성 폐기물의 감용화도 가능한, 방사성 세슘 혹은 방사성 요오드·방사성 세슘의 제거 방법, 및 이것에 이용하는 친수성 수지 조성물의 제공을 목적으로 하고, 상기 목적을, 적어도 친수성 세그먼트를 가지는, 친수성 폴리우레탄 수지, 친수성 폴리우레아 수지, 친수성 폴리우레탄 폴리우레아 수지로 이루어지는 군으로부터 선택되는 적어도 1종의 친수성 수지를 포함하고, 또한, 상기 친수성 수지 100질량부에 대해서, 적어도, 점토 광물이 1 ~ 180질량부의 비율로 분산되어서 이루어지는 친수성 수지 조성물을 이용하는 것으로 달성한다.

Chabazite-type zeolite and process for producing the same

A subject for the invention is to provide a chabazite-type zeolite that is expected to have durability and thermal resistance, which are practical properties required of catalyst supports and adsorbent bases, and that has profitability. A chabazite-type zeolite having an SiO 2 /Al 2 O 3 molar ratio of 15-50 and an average particle diameter size of 1.5 μm or more has high durability and high thermal resistance. Such a chabazite-type zeolite can be produced by crystallizing a starting-material composition in which the molar ratios of a structure-directing agent and water to SiO 2 satisfy 0.05≤(structure-directing agent)/SiO 2 <0.13 and 5≤H 2 O/SiO 2 <30, in the presence of at least one kind of alkali metal ions selected from the group consisting of K, Rb, and Cs. The structure-directing agent preferably is an N,N,N-trimethyladamantaneammonium salt.

Process for the separation of biomolecules from liquid media

Die Erfindung betrifft ein Verfahren zur Abtrennung von Biomolekülen aus flüssigen Medien, wobei ein Biomoleküle enthaltendes flüssiges Medium bereitgestellt wird, das flüssige Medium mit einem Tonmaterial behandelt wird, welches eine spezifische Oberfläche von mehr als 180 m·2·/g, ein Porenvolumen von mehr als 0,35 ml/g, eine Ionenumtauschfähigkeit von mehr als 40 meq/100 g und ein Sedimentvolumen in Wasser von weniger als 15 ml/2 g aufweist, und das gereinigte flüssige Medium von dem Tonmaterial abgetrennt wird.

SOLID MATERIAL WITH MULTIPLE OPEN POROSITY CONSISTING OF A GEOPOLYMER AND SOLID PARTICLES AND ITS PREPARATION PROCESS

Matériau solide à porosité multiple ouverte et au moins partiellement interconnectée, comprenant une matrice inorganique en un géopolymère microporeux et mésoporeux, dans laquelle sont définis des macropores ouverts au moins partiellement interconnectés délimités par des parois ou murs en géopolymère microporeux et mésoporeux, et des particules d’au moins un composé solide distinct du géopolymère étant réparties dans les macropores et/ou dans les parois ou murs. Procédé de préparation dudit matériau. Procédé pour séparer au moins un cation de métal ou de métalloïde à partir d’un milieu liquide le contenant, dans lequel on met en contact ledit milieu liquide avec ledit matériau. Solid material with open and at least partially interconnected multiple porosity, comprising an inorganic matrix of a microporous and mesoporous geopolymer, in which are defined at least partially interconnected open macropores delimited by walls or walls of microporous and mesoporous geopolymer, and particles of at least one solid compound distinct from the geopolymer being distributed in the macropores and/or in the walls or walls. Process for preparing said material. Process for separating at least one metal or metalloid cation from a liquid medium containing it, in which said liquid medium is brought into contact with said material.

PROCESS FOR THE PURIFICATION OF A LITHIUM SALT SOLUTION CONTAMINATED BY METAL CATIONS AND USE OF THIS PROCESS IN THE MANUFACTURE OF LITHIUM-EXCHANGED ZEOLITES

Patent FR2283220B1

PRODUCT AND METHOD FOR CONTROLLING WATER POLLUTION

Microporous zirconium silicate for the treatment of hyperkalemia

The present invention relates to novel microporous zirconium silicate compositions that are formulated to remove toxins, e.g. potassium ions, from the gastrointestinal tract at an elevated rate without causing undesirable side effects. The preferred formulations are designed avoid increase in pH of urine in patients and/or avoid potential entry of particles into the bloodstream of the patient. Also disclosed is a method for preparing high purity crystals of UZSi-9 exhibiting an enhanced level of potassium exchange capacity. These compositions are particularly useful in the therapeutic treatment of hyperkalemia.

Process for treating clays and other materials for use as water purifying agents

Microporous zirconium silicate for the treatment of hyperkalemia

The present invention relates to novel microporous zirconium silicate compositions that are formulated to remove toxins, e.g. potassium ions, from the gastrointestinal tract at an elevated rate without causing undesirable side effects. The preferred formulations are designed avoid increase in pH of urine in patients and/or avoid potential entry of particles into the bloodstream of the patient. Also disclosed is a method for preparing high purity crystals of UZSi-9 exhibiting an enhanced level of potassium exchange capacity. These compositions are particularly useful in the therapeutic treatment of hyperkalemia.

FIXING BY ION EXCHANGE OF TOXIC MATERIALS IN A GLASS MATRIX

Patent FR2235083A1

Stabilized synthetic zeolite and a process for the preparation thereof

Synthetic zeolite is stabilized to water by soaking it in a buffered acid solution for a prolonged time. The stabilized synthetic zeolite does not exhibit alkalinity when it is dispersed in water at room temperature for 24 hours or more, and exhibits improved flowability and almost constant ratios among Na, Al and O along the depth direction from the surface of the zeolite particles.

PROCESS FOR PREPARING AN ALUMINOSILICATE POLYMER

L'invention concerne un procédé pour préparer un aluminosilicate polymère du type imogolite.Le procédé consiste à traiter un halogénure d'aluminium avec un orthosilicate d'alkyle par un alcali aqueux, en présence de particules de verre ou de silice, à laisser maturer le mélange obtenu à température ambiante, puis à le chauffer à 96-98degreC pendant une durée suffisante pour obtenir une réaction complète. On améliore ainsi les conditions d'obtention de l'aluminosilicate polymère. The invention relates to a process for preparing a polymeric aluminosilicate of the imogolite type. The process consists in treating an aluminum halide with an alkyl orthosilicate with an aqueous alkali, in the presence of glass or silica particles, to allow the mixture obtained at room temperature, then heating it to 96-98degreC for a sufficient time to obtain a complete reaction. This improves the conditions for obtaining the polymeric aluminosilicate.

Radioactive material sequestration

A radioactive material sequestration system may include a radionuclide containment composition dispenser and a sorption based media container. The radionuclide containment composition dispenser may be configured for holding a radionuclide containment composition and be capable of dispensing the radionuclide containment composition to remove radionuclides from a radioactive material. The radionuclide containment composition is a mixture of a clay mineral and water. The sorption based media container may be configured for holding a sorption based media; receiving dispensed radionuclide containment composition; and sequestering the radionuclides. The radioactive material sequestration system may also include a probe.

Pharmaceutical compound which includes clinoptilolite

This invention is for a compound for treating a human or animal body to relieve the symtons of any one of chemi-cal-, substance-, and medicine induced gastrointestinal tract irritation, the compound including clinoptilolite. The invention is also for a compound for treating a human or animal body to lower the incidences of gastic events in persons using non-steroidal, anti-inflammatory medications, the compound including clinoptilolite.

Composite particulate material

Composite particulate material and process for preparing same

Fixation by ion exchange of toxic materials in a glass matrix

ABSTRACT OF THE DISCLOSURE This invention relates to the immobilization of toxic, e.g., radioactive, materials in a silicate glass or silica gel matrix for extremely long periods of time. Toxic materials, such as radioactive wastes containing radioactive cations, which may be in the form of liquids, or solids dissolved or dispersed in liquids or gases, are incorporated into a glass or silica gel matrix, having alkali metal, Group Ib metal and/or ammonium cations bonded to silicon atoms of said glass or silica gel through divalent oxygen linkages, by a process which involves the ion exchange of said toxic or radioactive cations with said alkali metal, Group Ib metal and/or ammonium cations to bind said toxic or radioactive cations to silicon atoms of said glass or silica gel through said silicon-bonded divalent oxygen linkages. Thereafter, the glass or silica gel is sintered to collapse the pores thereof.

Alkali calcium silicates and process for preparation thereof

Disclosed is an alkali calcium silicate having two different X-ray diffraction patterns (1) with diffraction peaks at spacings (d) of 11.8-12.2 A, 6 A and 3 A or (2) with diffraction peaks at spacings (d) of 13.0-13.4 A, 6.7 A and 3.1 A. This silicate is in the fibrous or micaceous form and is valuable as a drying agent or an ion exchange agent. This silicate is prepared by hydrothermal reaction of an aqueous suspension having a specific composition of the starting components.

A method for the removal of organic chemicals and organometallic complexes from process water or other streams of a mineral processing plant using zeolite

The present invention refers to a method to remove organic chemicals and organometallic complexes (organic heavy metal complexes) using zeolite from process water or tailings streams of a mineral processing plant where diethylenetriamine (DETA) or triethylenetetramine (TETA) is used as a flotation reagent and DETA-metal complexes are found in process water or tailings streams. In a preferred embodiment, the process water or slurry tailings streams of a mineral processing plant containing DETA, DETA-metal complexes and residual heavy metals are contacted with natural zeolite. This can be carried out by adding the natural zeolite to the process streams (slurries) while mixing with a mechanical mixer to efficiently adsorb DETA, DETA-metal complexes and heavy metals from the process streams (slurries) on the zeolite. The loaded zeolite is then discarded with the flotation tailings.

The method of the rich lithium salts bath of regeneration

中毒盐浴的再生方法，包括提供包含KNO 3 和NaNO 3 中至少一种的盐浴；提供包含锂阳离子的可离子交换基板；使至少一部分可离子交换基板与盐浴接触，由此盐浴中的锂阳离子扩散自可离子交换基板，并溶于盐浴；利用磷酸盐使溶解的锂阳离子从盐浴中选择性沉淀。该方法还包括从盐浴中移出可离子交换基板时，防止或减少可离子交换基板表面上晶体的形成，从而防止或减少可离子交换基板中表面缺陷的形成。