RU2011134327A - METHOD FOR PRODUCING SILICON AMORPHIC DIOXIDE AND CARBON OXIDE POWDER FROM RICE HAZEL - Google Patents
METHOD FOR PRODUCING SILICON AMORPHIC DIOXIDE AND CARBON OXIDE POWDER FROM RICE HAZEL Download PDFInfo
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- RU2011134327A RU2011134327A RU2011134327/05A RU2011134327A RU2011134327A RU 2011134327 A RU2011134327 A RU 2011134327A RU 2011134327/05 A RU2011134327/05 A RU 2011134327/05A RU 2011134327 A RU2011134327 A RU 2011134327A RU 2011134327 A RU2011134327 A RU 2011134327A
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Abstract
1. Способ получения аморфного диоксида кремния и оксидно-углеродного порошка из рисовой шелухи, включающий промывку рисовой шелухи деионизированной водой, обугливание, измельчение золы и окислительный обжиг, отличающийся тем, что промывку осуществляют в ультразвуковом поле в режиме кавитации, а окислительный обжиг производят в реакторе, футерованном кварцевым стеклом.2. Способ по п.1, отличающийся тем, что окислительный обжиг ведут в потоке очищенного воздуха.3. Способ по п.1, отличающийся тем, что при окислительном обжиге подъем температуры не должен превышать 10°C/мин.1. A method of producing amorphous silicon dioxide and carbon oxide powder from rice husk, comprising washing the rice husk with deionized water, charring, grinding the ash and oxidizing roasting, characterized in that the washing is carried out in an ultrasonic field in the cavitation mode, and oxidative roasting is carried out in a reactor lined with quartz glass. 2. The method according to claim 1, characterized in that the oxidative firing is carried out in a stream of purified air. The method according to claim 1, characterized in that during oxidative firing, the temperature rise should not exceed 10 ° C / min.
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RU2011134327/05A RU2480408C1 (en) | 2011-08-17 | 2011-08-17 | Method of producing amorphous silicon dioxide from rice husks |
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RU2011134327/05A RU2480408C1 (en) | 2011-08-17 | 2011-08-17 | Method of producing amorphous silicon dioxide from rice husks |
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RU2011134327A true RU2011134327A (en) | 2013-02-27 |
RU2480408C1 RU2480408C1 (en) | 2013-04-27 |
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RU2011134327/05A RU2480408C1 (en) | 2011-08-17 | 2011-08-17 | Method of producing amorphous silicon dioxide from rice husks |
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Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
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RU2637011C1 (en) * | 2017-03-10 | 2017-11-29 | Общество с ограниченной ответственностью "Научно-производственное предприятие Экологическое природопользование" | Method for producing amorphous silicon dioxide and amorphized product obtained according to method |
WO2021167578A1 (en) * | 2020-02-21 | 2021-08-26 | Юрий Геннадиевич ЦЫГУЛЁВ | Method for producing amorphous silicon dioxide from rice husks |
Family Cites Families (4)
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RU2061656C1 (en) * | 1994-08-29 | 1996-06-10 | Институт химии Дальневосточного отделения РАН | Method of producing amorphous silicon dioxide from rice husk |
RU2144498C1 (en) * | 1999-02-01 | 2000-01-20 | Земнухова Людмила Алексеевна | Method of preparing highly pure amorphous silicon dioxide and carbon from rice husk |
RU2161124C1 (en) * | 1999-09-16 | 2000-12-27 | Виноградов Виктор Владимирович | Method of preparing rice husk for high-pure silicon dioxide producing |
CN101391778B (en) * | 2008-10-09 | 2011-01-05 | 江南大学 | Method for preparing high-purity siliceous reinforcing agent by using rice hull ash as raw material |
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Effective date: 20150818 |