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RU2007135133A - METHOD FOR PROCESSING BETA-SODUMAN CONCENTRATE - Google Patents

METHOD FOR PROCESSING BETA-SODUMAN CONCENTRATE Download PDF

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Publication number
RU2007135133A
RU2007135133A RU2007135133/02A RU2007135133A RU2007135133A RU 2007135133 A RU2007135133 A RU 2007135133A RU 2007135133/02 A RU2007135133/02 A RU 2007135133/02A RU 2007135133 A RU2007135133 A RU 2007135133A RU 2007135133 A RU2007135133 A RU 2007135133A
Authority
RU
Russia
Prior art keywords
lithium
concentrate
separation
pulp
hydroxodialuminate
Prior art date
Application number
RU2007135133/02A
Other languages
Russian (ru)
Other versions
RU2360986C2 (en
Inventor
Валентин Васильевич Шаталов (RU)
Валентин Васильевич Шаталов
Михаил Леонидович Коцарь (RU)
Михаил Леонидович Коцарь
Тать на Аркадьевна Доброскокина (RU)
Татьяна Аркадьевна Доброскокина
Александр Николаевич Борсук (KZ)
Александр Николаевич Борсук
Валерий Иванович Самойлов (KZ)
Валерий Иванович Самойлов
Наталь Анатольевна Куленова (KZ)
Наталья Анатольевна Куленова
Original Assignee
ФГУП "Всероссийский научно-исследовательский институт химической технологии" (RU)
ФГУП "Всероссийский научно-исследовательский институт химической технологии"
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by ФГУП "Всероссийский научно-исследовательский институт химической технологии" (RU), ФГУП "Всероссийский научно-исследовательский институт химической технологии" filed Critical ФГУП "Всероссийский научно-исследовательский институт химической технологии" (RU)
Priority to RU2007135133/02A priority Critical patent/RU2360986C2/en
Publication of RU2007135133A publication Critical patent/RU2007135133A/en
Application granted granted Critical
Publication of RU2360986C2 publication Critical patent/RU2360986C2/en

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  • Paper (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
  • Manufacture And Refinement Of Metals (AREA)

Claims (1)

Способ переработки концентрата β-сподумена, включающий сульфатизацию концентрата серной кислотой, водное выщелачивание просульфатизитованного концентрата, нейтрализацию пульпы выщелачивания, разделение нейтрализованной пульпы выщелачивания на кек и сульфатный раствор, осаждение из сульфатного раствора примесей с упариванием данного раствора, отделение примесей от упаренного сульфатного раствора, осаждение карбоната лития из очищенного и упаренного сульфатного раствора, отделение карбоната лития от маточного раствора, осаждение гидроксодиалюмината лития из маточного раствора, разделение пульпы гидроксодиалюмината лития на гидроксодиалюминат лития и раствор, каустификацию гидроксодиалюмината лития, разделение пульпы каустификации на раствор гидроксида лития и кек каустификации, отличающийся тем, что пульпу выщелачивания нейтрализуют до рН 6,0-6,5 раствором гидроксида лития со стадии каустификации.A method of processing a β-spodumene concentrate, including sulfatization of the concentrate with sulfuric acid, aqueous leaching of a sulfated concentrate, neutralization of the leaching pulp, separation of the neutralized leaching pulp into cake and sulfate solution, precipitation of impurities from the sulfate solution with evaporation of this solution, separation of impurities from the evaporated lithium carbonate from purified and one stripped off sulfate solution, separation of lithium carbonate from the mother liquor, precipitation lithium hydroxodialuminate from the mother liquor, separation of lithium hydroxodialuminate pulp into lithium hydroxodialuminate and solution, caustification of lithium hydroxodialuminate, separation of caustification pulp into lithium hydroxide solution and causticization cake, characterized in that the leach pulp is neutralized to pH 6.0-6.5 from the causticization stage.
RU2007135133/02A 2007-09-21 2007-09-21 TREATMENT METHOD OF CONCENTRATE OF β-SPODUMENE RU2360986C2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RU2007135133/02A RU2360986C2 (en) 2007-09-21 2007-09-21 TREATMENT METHOD OF CONCENTRATE OF β-SPODUMENE

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RU2007135133/02A RU2360986C2 (en) 2007-09-21 2007-09-21 TREATMENT METHOD OF CONCENTRATE OF β-SPODUMENE

Publications (2)

Publication Number Publication Date
RU2007135133A true RU2007135133A (en) 2008-01-20
RU2360986C2 RU2360986C2 (en) 2009-07-10

Family

ID=39108472

Family Applications (1)

Application Number Title Priority Date Filing Date
RU2007135133/02A RU2360986C2 (en) 2007-09-21 2007-09-21 TREATMENT METHOD OF CONCENTRATE OF β-SPODUMENE

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RU (1) RU2360986C2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2361939C2 (en) * 2008-02-29 2009-07-20 Институт геологии и минералогии Сибирского отделения РАН PROCESSING METHOD OF CONCENTRATE β-SPODUMENE

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1256646A (en) * 1960-02-11 1961-03-24 Saint Gobain Lithium extraction process from lepidolite
US4285914A (en) * 1980-01-30 1981-08-25 The United States Of America As Represented By The Secretary Of The Interior Recovery of lithium from low-grade ores
GB8806334D0 (en) * 1988-03-17 1988-04-13 British Petroleum Co Plc Recovery process
RU2222622C2 (en) * 2001-12-13 2004-01-27 Открытое акционерное общество "Новосибирский завод химконцентратов" Spodumene concentrate processing method
RU2221886C2 (en) * 2001-12-13 2004-01-20 Открытое акционерное общество "Новосибирский завод химконцентратов" Method of extraction of lithium from lepidolite concentrate

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2361939C2 (en) * 2008-02-29 2009-07-20 Институт геологии и минералогии Сибирского отделения РАН PROCESSING METHOD OF CONCENTRATE β-SPODUMENE

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Publication number Publication date
RU2360986C2 (en) 2009-07-10

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

Effective date: 20190922