RU2006110797A - METHOD FOR CLEANING LITHIUM CHLORIDE - Google Patents

METHOD FOR CLEANING LITHIUM CHLORIDE Download PDF

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Publication number
RU2006110797A
RU2006110797A RU2006110797/15A RU2006110797A RU2006110797A RU 2006110797 A RU2006110797 A RU 2006110797A RU 2006110797/15 A RU2006110797/15 A RU 2006110797/15A RU 2006110797 A RU2006110797 A RU 2006110797A RU 2006110797 A RU2006110797 A RU 2006110797A
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RU
Russia
Prior art keywords
lithium
lithium chloride
solution
purification
oxychlorides
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Application number
RU2006110797/15A
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Russian (ru)
Other versions
RU2330810C2 (en
Inventor
кин Сергей Владимирович Шем (RU)
Сергей Владимирович Шемякин
кина Ирина Владимировна Шем (RU)
Ирина Владимировна Шемякина
Виктор Васильевич Мухин (RU)
Виктор Васильевич Мухин
Евгений Павлович Муратов (RU)
Евгений Павлович Муратов
Original Assignee
Открытое акционерное общество "Новосибирский завод химконцентратов" (RU)
Открытое акционерное общество "Новосибирский завод химконцентратов"
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Application filed by Открытое акционерное общество "Новосибирский завод химконцентратов" (RU), Открытое акционерное общество "Новосибирский завод химконцентратов" filed Critical Открытое акционерное общество "Новосибирский завод химконцентратов" (RU)
Priority to RU2006110797/15A priority Critical patent/RU2330810C2/en
Publication of RU2006110797A publication Critical patent/RU2006110797A/en
Application granted granted Critical
Publication of RU2330810C2 publication Critical patent/RU2330810C2/en

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Claims (1)

Способ очистки хлорида лития, заключающийся в получении и непрерывной сорбционной очистке раствора хлорида лития, отличающийся тем, что в качестве хлорида лития используют технологический раствор хлорида лития с остаточным содержанием оксихлоридов лития, который получают растворением в воде технического гидроксида лития или приготовлением пульпы технического карбоната, с последующим хлорированием отходящей с электролизеров хлорвоздушной смесью газов в присутствии катализатора, используемого для разложения оксихлоридов лития, корректировку рН полученного раствора хлорида лития проводят раствором гидроксида лития или карбоната лития до содержания гидроксил-иона (ОН-) в пределах 0,0002-0,005 моль/дм3, а сорбционную очистку проводят на катионообменной смоле на основе сшитого макропористого полистирола с введенной в матрицу полимера слабокислотных иминодиацетатных групп с линейной скоростью пропускания 3-20 м/ч.The method of purification of lithium chloride, which consists in obtaining and continuous sorption purification of a solution of lithium chloride, characterized in that lithium chloride is used as a technological solution of lithium chloride with a residual content of lithium oxychlorides, which is obtained by dissolving technical lithium hydroxide in water or preparing pulp of technical carbonate, s subsequent chlorination of the chlorine-air mixture of gases leaving the electrolysers in the presence of a catalyst used for the decomposition of lithium oxychlorides, rectification of the pH of the resulting solution of lithium chloride is carried out with a solution of lithium hydroxide or lithium carbonate to a hydroxyl ion (OH - ) content in the range of 0.0002-0.005 mol / dm 3 , and sorption purification is carried out on a cation exchange resin based on crosslinked macroporous polystyrene with the matrix introduced into the matrix polymer of weakly acid iminodiacetate groups with a linear transmission rate of 3-20 m / h.
RU2006110797/15A 2006-04-03 2006-04-03 Method of lithium chloride purification RU2330810C2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RU2006110797/15A RU2330810C2 (en) 2006-04-03 2006-04-03 Method of lithium chloride purification

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Application Number Priority Date Filing Date Title
RU2006110797/15A RU2330810C2 (en) 2006-04-03 2006-04-03 Method of lithium chloride purification

Publications (2)

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RU2006110797A true RU2006110797A (en) 2007-10-10
RU2330810C2 RU2330810C2 (en) 2008-08-10

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111519042A (en) * 2012-08-13 2020-08-11 瑞德高级材料有限公司 Process for treating lithium-containing materials

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103466666B (en) * 2013-08-26 2015-06-10 陕西延长石油集团氟硅化工有限公司 System and method for preparing high-purity lithium fluoride
RU2613438C1 (en) * 2015-12-22 2017-03-16 Акционерное общество "Каменскволокно" Method for lithium chloride regeneration in chemical industry

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111519042A (en) * 2012-08-13 2020-08-11 瑞德高级材料有限公司 Process for treating lithium-containing materials

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RU2330810C2 (en) 2008-08-10

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FZ9A Application not withdrawn (correction of the notice of withdrawal)

Effective date: 20071129