RU2015144441A - METHOD FOR PRODUCING SCANDIUM OXIDE FROM SCANDIUM CONCENTRATE - Google Patents

METHOD FOR PRODUCING SCANDIUM OXIDE FROM SCANDIUM CONCENTRATE Download PDF

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Publication number
RU2015144441A
RU2015144441A RU2015144441A RU2015144441A RU2015144441A RU 2015144441 A RU2015144441 A RU 2015144441A RU 2015144441 A RU2015144441 A RU 2015144441A RU 2015144441 A RU2015144441 A RU 2015144441A RU 2015144441 A RU2015144441 A RU 2015144441A
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RU
Russia
Prior art keywords
scandium
solution
concentrate
precipitate
extraction
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RU2015144441A
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Russian (ru)
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RU2618012C2 (en
Inventor
Владимир Николаевич Рычков
Евгений Владимирович Кириллов
Сергей Владимирович Кириллов
Григорий Михайлович Буньков
Максим Сергеевич Боталов
Николай Анатольевич Попонин
Алексей Леонидович Смирнов
Максим Алексеевич Машковцев
Original Assignee
Федеральное государственное автономное образовательное учреждение высшего профессионального образования "Уральский федеральный университет имени первого Президента России Б.Н. Ельцина"
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Application filed by Федеральное государственное автономное образовательное учреждение высшего профессионального образования "Уральский федеральный университет имени первого Президента России Б.Н. Ельцина" filed Critical Федеральное государственное автономное образовательное учреждение высшего профессионального образования "Уральский федеральный университет имени первого Президента России Б.Н. Ельцина"
Priority to RU2015144441A priority Critical patent/RU2618012C2/en
Publication of RU2015144441A publication Critical patent/RU2015144441A/en
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Publication of RU2618012C2 publication Critical patent/RU2618012C2/en

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    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
    • C01F17/00—Compounds of rare earth metals

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Inorganic Chemistry (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
  • Manufacture And Refinement Of Metals (AREA)

Claims (1)

Способ получения оксида скандия из концентрата скандия, включающий растворение концентрата скандия в серной кислоте с получением продуктивного раствора, выделение из продуктивного раствора циркония, экстракцию из продуктивного раствора скандия на экстрагенте состоящем из смеси Ди2ЭГФК и ТБФ, промывку насыщенного экстрагента раствором, серной кислоты (H2SO4) и перекиси водорода (Н2О2), реэкстракцию скандия щелочным агентом с получением осадка скандия и маточника реэкстракции, где маточник реэкстракции донасыщают по щелочному агенту и повторно направляют на реэкстракцию, а осадок скандия перерастворяют в кислоте с осаждением оксалата скандия, который прокаливают до оксида скандия, отличающийся тем, что выделение из продуктивного раствора ионов циркония проводят с использованием анионита содержащего первичные аминогруппы, экстракцию из продуктивного раствора ионов скандия ведут на экстрагенте с соотношением Ди2ЭГФК:ТБФ=1:1÷3, в качестве щелочного агента используют смесь гидроксида натрия (NaOH) и карбоната натрия (Na2CO3) с соотношением NaOH:Na2CO3=1:11÷5.A method of producing scandium oxide from scandium concentrate, comprising dissolving scandium concentrate in sulfuric acid to obtain a productive solution, isolating zirconium from a productive solution, extracting it from a productive scandium solution using an extractant consisting of a mixture of Di2EHPA and TBP, washing the saturated extractant with a solution of sulfuric acid (H 2 SO 4 ) and hydrogen peroxide (H 2 O 2 ), re-extraction of scandium with an alkaline agent to obtain a precipitate of scandium and mother liquor, where the mother liquor is oversaturated with an alkaline agent and re-directed to re-extraction, and the scandium precipitate is redissolved in acid to precipitate scandium oxalate, which is calcined to scandium oxide, characterized in that the zirconium ions are separated from the product solution using primary anion exchangers, extraction from the product solution of scandium ions is carried out on an extractant with the ratio of Di2EHPA: TBP = 1: 1 ÷ 3, a mixture of sodium hydroxide (NaOH) and sodium carbonate (Na 2 CO 3 ) with a ratio of NaOH: Na 2 CO 3 = 1: 11 ÷ 5 is used as an alkaline agent.
RU2015144441A 2015-10-15 2015-10-15 Method for producing scandium oxide from scandium concentrate RU2618012C2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RU2015144441A RU2618012C2 (en) 2015-10-15 2015-10-15 Method for producing scandium oxide from scandium concentrate

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RU2015144441A RU2618012C2 (en) 2015-10-15 2015-10-15 Method for producing scandium oxide from scandium concentrate

Publications (2)

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RU2015144441A true RU2015144441A (en) 2017-04-24
RU2618012C2 RU2618012C2 (en) 2017-05-02

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109642269A (en) * 2017-06-21 2019-04-16 俄铝工程技术中心有限责任公司 The method of scandium is recycled from the remaining red mud of alumina producing

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2068392C1 (en) * 1993-04-23 1996-10-27 Акционерное общество открытого типа "АВИСМА титано-магниевый комбинат" Method of scandium extraction from titanium tetrachloride production waste
RU2070596C1 (en) * 1993-05-28 1996-12-20 Научно-производственная экологическая фирма "Экотехнология" Method of scandium concentrates production
RU2140998C1 (en) * 1998-12-07 1999-11-10 Институт химии твердого тела Уральского Отделения РАН Method of processing of red sludge

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109642269A (en) * 2017-06-21 2019-04-16 俄铝工程技术中心有限责任公司 The method of scandium is recycled from the remaining red mud of alumina producing
CN109642269B (en) * 2017-06-21 2022-05-13 俄铝工程技术中心有限责任公司 Method for recovering scandium from red mud remained in alumina production

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RU2618012C2 (en) 2017-05-02

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MM4A The patent is invalid due to non-payment of fees

Effective date: 20171016

NF4A Reinstatement of patent

Effective date: 20190701