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RU2000107408A - METHOD FOR TORIUM EXTRACTION FROM AQUEOUS SOLUTIONS CONTAINING RARE EARTH METALS - Google Patents

METHOD FOR TORIUM EXTRACTION FROM AQUEOUS SOLUTIONS CONTAINING RARE EARTH METALS

Info

Publication number
RU2000107408A
RU2000107408A RU2000107408/12A RU2000107408A RU2000107408A RU 2000107408 A RU2000107408 A RU 2000107408A RU 2000107408/12 A RU2000107408/12 A RU 2000107408/12A RU 2000107408 A RU2000107408 A RU 2000107408A RU 2000107408 A RU2000107408 A RU 2000107408A
Authority
RU
Russia
Prior art keywords
extraction
rare earth
earth metals
solutions containing
aqueous solutions
Prior art date
Application number
RU2000107408/12A
Other languages
Russian (ru)
Other versions
RU2188157C2 (en
Inventor
Владимир Васильевич Бордунов
Сергей Владимирович Бордунов
Игорь Александрович Соболев
Генрих Георгиевич Андреев
Татьяна Ивановна Гузеева
Виталий Алексеевич Красильников
Андрей Степанович Левшаев
Original Assignee
Институт химии нефти СО РАН
Томский политехнический университет
ЗАО "Номос-4"
Filing date
Publication date
Application filed by Институт химии нефти СО РАН, Томский политехнический университет, ЗАО "Номос-4" filed Critical Институт химии нефти СО РАН
Priority to RU2000107408/12A priority Critical patent/RU2188157C2/en
Priority claimed from RU2000107408/12A external-priority patent/RU2188157C2/en
Publication of RU2000107408A publication Critical patent/RU2000107408A/en
Application granted granted Critical
Publication of RU2188157C2 publication Critical patent/RU2188157C2/en

Links

Claims (1)

Способ извлечения тория из водных растворов, содержащих редкоземельные металлы в виде труднорастворимой соли, отличающийся тем, что к водному раствору добавляют щелочь для нейтрализации свободной азотной кислоты до концентрации ее в растворе 0,005-0,2 моль/л, бензолсульфинат натрия и коллектор - полифторированные органические кислоты, спирты, альдегиды и кетоны общей формулы СхFуОzНs, где х= 5-13, y= 5-19, z= 1-2, s= 1-4 в соотношении водный раствор - коллектор (5-10): 1, перемешивают, отделяют коллектор с последующим извлечением из него бензолсульфината тория.The method of extraction of thorium from aqueous solutions containing rare earth metals in the form of a sparingly soluble salt, characterized in that an alkali is added to the aqueous solution to neutralize free nitric acid to a concentration of 0.005-0.2 mol / l in the solution, sodium benzenesulfinate and collector polyfluorinated organic acids, alcohols, aldehydes and ketones of the general formula C x F y O z H s , where x = 5-13, y = 5-19, z = 1-2, s = 1-4 in the ratio of the aqueous solution to the collector (5 -10): 1, stirred, the collector is separated, followed by extraction of benzenesulfinate from it thorium.
RU2000107408/12A 2000-03-27 2000-03-27 Method of recovering thorium from aqueous solutions containing rare-earth metals RU2188157C2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RU2000107408/12A RU2188157C2 (en) 2000-03-27 2000-03-27 Method of recovering thorium from aqueous solutions containing rare-earth metals

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RU2000107408/12A RU2188157C2 (en) 2000-03-27 2000-03-27 Method of recovering thorium from aqueous solutions containing rare-earth metals

Publications (2)

Publication Number Publication Date
RU2000107408A true RU2000107408A (en) 2002-02-20
RU2188157C2 RU2188157C2 (en) 2002-08-27

Family

ID=20232370

Family Applications (1)

Application Number Title Priority Date Filing Date
RU2000107408/12A RU2188157C2 (en) 2000-03-27 2000-03-27 Method of recovering thorium from aqueous solutions containing rare-earth metals

Country Status (1)

Country Link
RU (1) RU2188157C2 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2517651C1 (en) * 2013-05-07 2014-05-27 Александра Валерьевна Ануфриева Method for solvent refining of nitrate solutions containing rare-earth metals
RU2576763C1 (en) * 2014-08-22 2016-03-10 Открытое акционерное общество "Научно-исследовательский институт двигателей" (ОАО "НИИД") Method for extraction separation of rare-earth metals from nitrate solutions
RU2623943C1 (en) * 2016-02-03 2017-06-29 Акционерное общество "Радиевый институт им. В.Г. Хлопина" Extraction mixture for the recovery of tpe and ree from high-active rafinat of npp snf processing and the method of its use (versions)
RU2611001C1 (en) * 2016-03-04 2017-02-17 Акционерное общество "Ведущий проектно-изыскательский и научно-исследовательский институт промышленной технологии" (АО "ВНИПИпромтехнологии") Extraction separation of scandium and thorium
RU2626206C1 (en) * 2016-09-22 2017-07-24 Федеральное государственное бюджетное учреждение науки Институт физической химии и электрохимии им. А.Н. Фрумкина Российской академии наук (ИФХЭ РАН) Method of extracting scandium from concentrates of rare-earth elements
RU2647047C1 (en) * 2017-05-02 2018-03-13 Акционерное общество "Далур" Method for scandium oxide production from scandium concentrate
RU2669737C1 (en) * 2018-01-18 2018-10-15 Общество с ограниченной ответственностью "Объединенная Компания РУСАЛ Инженерно-технологический центр" Method for preparation of scandium oxide from scandium-containing concentrates

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2877092A (en) * 1947-03-26 1959-03-10 William H Reas Coordination compound-solvent extraction process for uranium recovery
US3890222A (en) * 1974-06-12 1975-06-17 Vojislav Petrovich Froth flotation method for recovery of minerals by means of alkali or ammonium alkyl alkylaryl, and aryl sulfinates as froth flotation reagents

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