RU2003111206A - METHOD FOR PRODUCING HIGHLY DISPERSED AND GRANULOMETRICALLY HOMOGENEOUS CARBONATES OF RARE-EARTH ELEMENTS OF A LAMBAR OR DENDRITE FORM. - Google Patents

METHOD FOR PRODUCING HIGHLY DISPERSED AND GRANULOMETRICALLY HOMOGENEOUS CARBONATES OF RARE-EARTH ELEMENTS OF A LAMBAR OR DENDRITE FORM.

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Publication number
RU2003111206A
RU2003111206A RU2003111206/15A RU2003111206A RU2003111206A RU 2003111206 A RU2003111206 A RU 2003111206A RU 2003111206/15 A RU2003111206/15 A RU 2003111206/15A RU 2003111206 A RU2003111206 A RU 2003111206A RU 2003111206 A RU2003111206 A RU 2003111206A
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RU
Russia
Prior art keywords
carbonates
mixing
granulometrically
ree
highly dispersed
Prior art date
Application number
RU2003111206/15A
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Russian (ru)
Other versions
RU2245845C2 (en
Inventor
Лидия Алексеевна Аржаткина
Рудольф Михайлович Щелков
Татьяна Михайловна Кузнецова
Людмила Васильевна Чуняева
Фарух Шухратович Абдухамидов
Original Assignee
Фарух Шухратович Абдухамидов
Filing date
Publication date
Application filed by Фарух Шухратович Абдухамидов filed Critical Фарух Шухратович Абдухамидов
Priority to RU2003111206/15A priority Critical patent/RU2245845C2/en
Priority claimed from RU2003111206/15A external-priority patent/RU2245845C2/en
Publication of RU2003111206A publication Critical patent/RU2003111206A/en
Application granted granted Critical
Publication of RU2245845C2 publication Critical patent/RU2245845C2/en

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Claims (3)

1. Способ получения высокодисперсных гранулометрически однородных карбонатов РЗЭ пластинчатой или дендритной формы, включающий непрерывную подачу и перемешивание раствора соли РЗЭ и раствора соли угольной кислоты с получением суспензии карбонатов РЗЭ, перемешивание суспензии при одновременной подаче исходных растворов, непрерывную выгрузку, фильтрацию, промывку и сушку осадка карбонатов РЗЭ, отличающийся тем, что перемешивание осуществляют при температуре от 20 до 75° С и скорости движения суспензии от 0,5 до 20 м/с.1. A method of producing highly dispersed granulometrically uniform REE carbonates of plate or dendritic form, comprising continuously feeding and mixing a REE salt solution and a carbonic acid salt solution to obtain a REE carbonate suspension, mixing the suspension while supplying the initial solutions, continuously unloading, filtering, washing and drying the precipitate REE carbonates, characterized in that the mixing is carried out at a temperature of from 20 to 75 ° C and a speed of movement of the suspension from 0.5 to 20 m / s 2. Способ по п.1, отличающийся тем, что для получения карбонатов с частицами пластинчатой формы перемешивание проводят в течение времени, отвечающего соотношению 1,5· T0,5≤ τ ≤ 30, где τ - численные значения времени перемешивания, выраженные в минутах, Т- численные значения температуры реакционной среды, выраженные в градусах Цельсия.2. The method according to claim 1, characterized in that to obtain carbonates with plate-shaped particles, mixing is carried out for a time corresponding to a ratio of 1.5 · T 0.5 ≤ τ ≤ 30, where τ is the numerical values of the mixing time, expressed in minutes, T- numerical values of the temperature of the reaction medium, expressed in degrees Celsius. 3. Способ по п.1, отличающийся тем, что для получения карбонатов с частицами дендритной формы перемешивание проводят в течение времени, отвечающего соотношению 106· Т-2,5≤ τ ≤ 600.3. The method according to claim 1, characterized in that to obtain carbonates with particles of a dendritic form, mixing is carried out for a time corresponding to a ratio of 10 6 · T -2.5 ≤ τ ≤ 600.
RU2003111206/15A 2003-04-21 2003-04-21 Method of preparing high-dispersity and granulometrically uniform rare-earth element carbonates with plate or dendritic form RU2245845C2 (en)

Priority Applications (1)

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RU2003111206/15A RU2245845C2 (en) 2003-04-21 2003-04-21 Method of preparing high-dispersity and granulometrically uniform rare-earth element carbonates with plate or dendritic form

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RU2003111206/15A RU2245845C2 (en) 2003-04-21 2003-04-21 Method of preparing high-dispersity and granulometrically uniform rare-earth element carbonates with plate or dendritic form

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RU2003111206A true RU2003111206A (en) 2004-10-27
RU2245845C2 RU2245845C2 (en) 2005-02-10

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Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2693176C1 (en) * 2018-12-28 2019-07-01 Общество С Ограниченной Ответственностью "Лаборатория Инновационных Технологий" Method of producing carbonates of rare-earth elements
RU2729573C1 (en) * 2019-12-30 2020-08-07 Федеральное государственное автономное образовательное учреждение высшего образования "Национальный исследовательский технологический университет "МИСиС" Method of producing carbonates of rare-earth elements
CN113830817B (en) * 2021-10-22 2023-06-20 南昌大学 Preparation method of cerium-based oxide material and precursor thereof

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