RU2006100039A - METHOD FOR PRODUCING POLISHING POWDERS BASED ON RARE LAND OXIDES WITH ADJUSTABLE DISPERSION - Google Patents

METHOD FOR PRODUCING POLISHING POWDERS BASED ON RARE LAND OXIDES WITH ADJUSTABLE DISPERSION Download PDF

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Publication number
RU2006100039A
RU2006100039A RU2006100039/15A RU2006100039A RU2006100039A RU 2006100039 A RU2006100039 A RU 2006100039A RU 2006100039/15 A RU2006100039/15 A RU 2006100039/15A RU 2006100039 A RU2006100039 A RU 2006100039A RU 2006100039 A RU2006100039 A RU 2006100039A
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RU
Russia
Prior art keywords
oxides
carbonates
deposition
rare earth
rare
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RU2006100039/15A
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Russian (ru)
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RU2359914C2 (en
Inventor
Лиди Алексеевна Аржаткина (RU)
Лидия Алексеевна Аржаткина
Тать на Васильевна Слепнева (RU)
Татьяна Васильевна Слепнева
Тать на Михайловна Кузнецова (RU)
Татьяна Михайловна Кузнецова
ева Людмила Васильевна Чун (RU)
Людмила Васильевна Чуняева
Фарух Шухратович Абдухамидов (RU)
Фарух Шухратович Абдухамидов
Original Assignee
Фарух Шухратович Абдухамидов (RU)
Фарух Шухратович Абдухамидов
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Priority to RU2006100039/15A priority Critical patent/RU2359914C2/en
Publication of RU2006100039A publication Critical patent/RU2006100039A/en
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Claims (3)

1. Способ получения полировальных порошков на основе оксидов редких земель, включающий осаждение карбонатов редких земель путем смешивания раствора редких земель с раствором соли угольной кислоты, фильтрование, сушку и обжиг карбонатов до оксидов, отличающийся тем, что, с целью получения оксидов дисперсностью 0,4-0,8 мкм, осаждение карбонатов проводят при степени осаждения редких земель, равной 85-100%, и температуре 20-25°С.1. A method of obtaining polishing powders based on rare earth oxides, including the precipitation of rare earth carbonates by mixing a rare earth solution with a solution of carbonic acid salt, filtering, drying and calcining carbonates to oxides, characterized in that, in order to obtain oxides with a dispersion of 0.4 -0.8 microns, the deposition of carbonates is carried out at a deposition rate of rare earths equal to 85-100%, and a temperature of 20-25 ° C. 2. Способ по п.1, отличающийся тем, что, с целью получения оксидов редких земель дисперсностью 0,8-1,0 мкм, осаждение карбонатов проводят при степени осаждения редких земель, равной 80-85%, и температуре 20-25°С.2. The method according to claim 1, characterized in that, in order to obtain rare earth oxides with a dispersion of 0.8-1.0 μm, the precipitation of carbonates is carried out at a degree of deposition of rare earths equal to 80-85%, and a temperature of 20-25 ° FROM. 3. Способ по п.2, отличающийся тем, что, с целью получения оксидов редких земель дисперсностью 1,2-1,5 мкм, осаждение карбонатов проводят при степени осаждения редких земель, равной 75-80%, и температуре 50-60°С.3. The method according to claim 2, characterized in that, in order to obtain rare earth oxides with a dispersion of 1.2-1.5 microns, the deposition of carbonates is carried out at a degree of deposition of rare earths equal to 75-80%, and a temperature of 50-60 ° FROM.
RU2006100039/15A 2006-01-10 2006-01-10 Method for preparation of polishing powders with regulable particle size based on rare earth oxides RU2359914C2 (en)

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RU2006100039A true RU2006100039A (en) 2007-07-20
RU2359914C2 RU2359914C2 (en) 2009-06-27

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111302382A (en) * 2018-11-23 2020-06-19 甘肃稀土新材料股份有限公司 Preparation method of lanthanum-cerium oxide powder containing lanthanum oxychloride structure
CN112725623A (en) * 2020-12-02 2021-04-30 北京工业大学 Method for separating and extracting rare earth and regenerated rare earth polishing powder from waste rare earth polishing powder

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111302382A (en) * 2018-11-23 2020-06-19 甘肃稀土新材料股份有限公司 Preparation method of lanthanum-cerium oxide powder containing lanthanum oxychloride structure
CN111302382B (en) * 2018-11-23 2022-06-07 甘肃稀土新材料股份有限公司 Preparation method of lanthanum-cerium oxide powder containing lanthanum oxychloride structure
CN112725623A (en) * 2020-12-02 2021-04-30 北京工业大学 Method for separating and extracting rare earth and regenerated rare earth polishing powder from waste rare earth polishing powder
US11753308B1 (en) 2020-12-02 2023-09-12 Beijing University Of Technology Method for separating and extracting rare-earth and regenerating rare-earth polishing powder from rare-earth polishing powder waste

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Publication number Publication date
RU2359914C2 (en) 2009-06-27

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