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RU2008104449A - METHOD FOR LITHIUM EXTRACTION FROM SODUMUM-CONTAINING BERILLA CONCENTRATE - Google Patents

METHOD FOR LITHIUM EXTRACTION FROM SODUMUM-CONTAINING BERILLA CONCENTRATE Download PDF

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Publication number
RU2008104449A
RU2008104449A RU2008104449/02A RU2008104449A RU2008104449A RU 2008104449 A RU2008104449 A RU 2008104449A RU 2008104449/02 A RU2008104449/02 A RU 2008104449/02A RU 2008104449 A RU2008104449 A RU 2008104449A RU 2008104449 A RU2008104449 A RU 2008104449A
Authority
RU
Russia
Prior art keywords
concentrate
lithium
crystals
fluoride
sodumum
Prior art date
Application number
RU2008104449/02A
Other languages
Russian (ru)
Other versions
RU2371492C2 (en
Inventor
Виктор Иванович Зеленин (RU)
Виктор Иванович Зеленин
Валерий Иванович Самойлов (KZ)
Валерий Иванович Самойлов
Наталь Анатольевна Куленова (KZ)
Наталья Анатольевна Куленова
Зинаида Владимировна Шерегеда (KZ)
Зинаида Владимировна Шерегеда
Владимир Степанович Жаглов (KZ)
Владимир Степанович Жаглов
Вадим Викторович Карташов (RU)
Вадим Викторович Карташов
Эльмира Ивановна Денисова (RU)
Эльмира Ивановна Денисова
Original Assignee
Государственное общеобразовательное учреждение высшего профессионального образовани "Уральский государственный технический университет-УПИ" (RU)
Государственное общеобразовательное учреждение высшего профессионального образования "Уральский государственный технический университет-УПИ"
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 Государственное общеобразовательное учреждение высшего профессионального образовани "Уральский государственный технический университет-УПИ" (RU), Государственное общеобразовательное учреждение высшего профессионального образования "Уральский государственный технический университет-УПИ" filed Critical Государственное общеобразовательное учреждение высшего профессионального образовани "Уральский государственный технический университет-УПИ" (RU)
Priority to RU2008104449/02A priority Critical patent/RU2371492C2/en
Publication of RU2008104449A publication Critical patent/RU2008104449A/en
Application granted granted Critical
Publication of RU2371492C2 publication Critical patent/RU2371492C2/en

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Classifications

    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00—Technologies related to metal processing
    • Y02P10/20—Recycling

Landscapes

  • Manufacture And Refinement Of Metals (AREA)
  • Removal Of Specific Substances (AREA)
  • Secondary Cells (AREA)

Claims (2)

1. Способ извлечения лития из сподуменсодержащего бериллового концентрата, включающий активацию концентрата, серно-кислотное выщелачивание активированного концентрата с получением раствора сульфатов бериллия и лития, химическую переработку сульфатного раствора с получением гидроксида бериллия, первичных и вторичных кристаллов фторида лития, отличающийся тем, что первичные кристаллы фторида лития обрабатывают 93%-ной серной кислотой, взятой из расчета 1,3÷1,4 мл кислоты на 1 г фторида лития, в течение 1,5÷2,0 ч при температуре 200÷220°С, с получением газообразного фтористого водорода и кристаллов сульфата лития, которые растворяют на стадии выщелачивания активированного концентрата, а фтористый водород абсорбируют водой с получением плавиковой кислоты.1. The method of extraction of lithium from spodumene-containing beryllium concentrate, including activation of the concentrate, sulfuric acid leaching of the activated concentrate to obtain a solution of beryllium and lithium sulfates, chemical processing of a sulfate solution to obtain beryllium hydroxide, primary and secondary crystals of lithium fluoride, characterized in that the primary crystals lithium fluoride is treated with 93% sulfuric acid, taken from the calculation of 1.3 ÷ 1.4 ml of acid per 1 g of lithium fluoride, for 1.5 ÷ 2.0 hours at a temperature of 200 ÷ 220 ° C, with Niemi gaseous hydrogen fluoride and lithium sulfate crystals, which are dissolved in the concentrate leaching stage activated, and the hydrogen fluoride is absorbed with water to obtain hydrofluoric acid. 2. Способ по п.1, отличающийся тем, что полученную плавиковую кислоту используют для осаждения первичных кристаллов фторида лития.2. The method according to claim 1, characterized in that the hydrofluoric acid obtained is used to precipitate primary crystals of lithium fluoride.
RU2008104449/02A 2008-02-05 2008-02-05 Extraction method of lithium from spodumene-containing beryllium concentrate RU2371492C2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RU2008104449/02A RU2371492C2 (en) 2008-02-05 2008-02-05 Extraction method of lithium from spodumene-containing beryllium concentrate

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RU2008104449/02A RU2371492C2 (en) 2008-02-05 2008-02-05 Extraction method of lithium from spodumene-containing beryllium concentrate

Publications (2)

Publication Number Publication Date
RU2008104449A true RU2008104449A (en) 2008-06-10
RU2371492C2 RU2371492C2 (en) 2009-10-27

Family

ID=39581230

Family Applications (1)

Application Number Title Priority Date Filing Date
RU2008104449/02A RU2371492C2 (en) 2008-02-05 2008-02-05 Extraction method of lithium from spodumene-containing beryllium concentrate

Country Status (1)

Country Link
RU (1) RU2371492C2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116463510A (en) * 2023-03-31 2023-07-21 成都易态科技有限公司 Lithium extraction method and equipment

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2776202A (en) * 1955-08-18 1957-01-01 American Potash & Chem Corp Use of lepidolite as an additive in the lime-roasting of lithium-aluminosilicate ores
FR1256646A (en) * 1960-02-11 1961-03-24 Saint Gobain Lithium extraction process from lepidolite
GB8806334D0 (en) * 1988-03-17 1988-04-13 British Petroleum Co Plc Recovery process
RU2221886C2 (en) * 2001-12-13 2004-01-20 Открытое акционерное общество "Новосибирский завод химконцентратов" Method of extraction of lithium from lepidolite concentrate
RU2222622C2 (en) * 2001-12-13 2004-01-27 Открытое акционерное общество "Новосибирский завод химконцентратов" Spodumene concentrate processing method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116463510A (en) * 2023-03-31 2023-07-21 成都易态科技有限公司 Lithium extraction method and equipment

Also Published As

Publication number Publication date
RU2371492C2 (en) 2009-10-27

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

Effective date: 20100206