RU2012138232A - METHOD FOR PRODUCING CESIUM SORBENT - Google Patents
METHOD FOR PRODUCING CESIUM SORBENT Download PDFInfo
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- RU2012138232A RU2012138232A RU2012138232/05A RU2012138232A RU2012138232A RU 2012138232 A RU2012138232 A RU 2012138232A RU 2012138232/05 A RU2012138232/05 A RU 2012138232/05A RU 2012138232 A RU2012138232 A RU 2012138232A RU 2012138232 A RU2012138232 A RU 2012138232A
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- solution
- microcline
- natural
- mixed
- potassium hydroxide
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Abstract
1. Способ получения сорбента цезия в виде частиц аналога природного микроклина, заключающийся в том, что растворяют аморфный кремнезем в гидроксиде калия при температуре от 15 до 80°C, после чего полученный раствор смешивают, перемешивая с раствором алюмосодержащей растворимой соли алюминия, имеющей анион кислоты более сильной, чем поликремневая кислота, и выдерживают не более 4 ч до получения нейтрального pH, отделяют образовавшийся осадок, подвергают его отмывке и обезвоживанию, при этом исходные компоненты смешивают в соотношении, обеспечивающем получение материала с формулой KAlSiOв пересчете на безводный материал.2. Способ по п.1, отличающийся тем, что обезвоживание осадка включает его центрифугирование и/или сушку при температуре 95-105°C.3. Способ по п.1, отличающийся тем, что аналог природного микроклина синтезируют с крупностью частиц диаметром, предпочтительно 10-20 нм.4. Способ по п.1, отличающийся тем, что смесь раствора аморфного кремнезема в гидроксиде калия с раствором алюмосодержащей растворимой соли алюминия, выдерживают не более 4 ч.1. A method of producing a cesium sorbent in the form of particles of an analog of a natural microcline, which consists in dissolving amorphous silica in potassium hydroxide at a temperature of 15 to 80 ° C, after which the resulting solution is mixed by mixing with a solution of an aluminum-containing soluble aluminum salt having an anion of acid stronger than polysilicic acid and kept for no more than 4 hours until a neutral pH is obtained, the precipitate formed is separated, it is washed and dehydrated, while the starting components are mixed in a ratio that ensures ivayuschem receiving material of formula KAlSiOv terms of anhydrous material.2. The method according to claim 1, characterized in that the sludge dewatering includes centrifugation and / or drying at a temperature of 95-105 ° C. The method according to claim 1, characterized in that the analogue of the natural microcline is synthesized with a particle size of a diameter, preferably 10-20 nm. The method according to claim 1, characterized in that the mixture of a solution of amorphous silica in potassium hydroxide with a solution of an aluminum-containing soluble aluminum salt, can withstand no more than 4 hours
Claims (4)
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RU2012138232/05A RU2516639C2 (en) | 2012-09-06 | 2012-09-06 | Method of obtaining caesium sorbent |
Applications Claiming Priority (1)
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RU2012138232/05A RU2516639C2 (en) | 2012-09-06 | 2012-09-06 | Method of obtaining caesium sorbent |
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RU2012138232A true RU2012138232A (en) | 2014-03-20 |
RU2516639C2 RU2516639C2 (en) | 2014-05-20 |
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RU2012138232/05A RU2516639C2 (en) | 2012-09-06 | 2012-09-06 | Method of obtaining caesium sorbent |
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Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
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RU2681633C1 (en) * | 2018-04-27 | 2019-03-11 | федеральное государственное автономное образовательное учреждение высшего образования "Национальный исследовательский ядерный университет "МИФИ" (НИЯУ МИФИ) | Method of obtaining granulated aluminosilicate adsorbent for cleaning of aqueous media from cesium cations |
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RU2218558C2 (en) * | 2001-10-25 | 2003-12-10 | Таганрогский государственный радиотехнический университет | Gear to regulate water consumption |
RU2444800C1 (en) * | 2010-12-17 | 2012-03-10 | Учреждение Российской академии наук Институт экспериментальной минералогии РАН | Immobilisation method of radionuclides of alkaline-earth and rare-earth elements in mineral matrix |
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Effective date: 20180907 |