WO2012091305A3 - 고순도 탄산리튬 제조방법 - Google Patents

고순도 탄산리튬 제조방법 Download PDF

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Publication number
WO2012091305A3
WO2012091305A3 PCT/KR2011/009286 KR2011009286W WO2012091305A3 WO 2012091305 A3 WO2012091305 A3 WO 2012091305A3 KR 2011009286 W KR2011009286 W KR 2011009286W WO 2012091305 A3 WO2012091305 A3 WO 2012091305A3
Authority
WO
WIPO (PCT)
Prior art keywords
lithium
manufacturing high
purity
powder
carbonated lithium
Prior art date
Application number
PCT/KR2011/009286
Other languages
English (en)
French (fr)
Other versions
WO2012091305A2 (ko
Inventor
강동준
윤미희
안전웅
Original Assignee
한국광물자원공사
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
Priority claimed from KR1020100139046A external-priority patent/KR101158527B1/ko
Application filed by 한국광물자원공사 filed Critical 한국광물자원공사
Priority to US13/992,818 priority Critical patent/US9169125B2/en
Publication of WO2012091305A2 publication Critical patent/WO2012091305A2/ko
Publication of WO2012091305A3 publication Critical patent/WO2012091305A3/ko

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01D—COMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM, RUBIDIUM, CAESIUM, OR FRANCIUM
    • C01D15/00—Lithium compounds
    • C01D15/08—Carbonates; Bicarbonates

Abstract

본 발명은 고순도 탄산리튬 제조방법에 관한 것으로 보다 상세하게는 염수로부터 탄산리튬을 제조하는 방법에 있어서, 마그네슘 및 붕소를 제거하는 단계; 잔존하는 마그네슘 및 칼슘을 분리 제거하는 단계; 분무건조를 통해 분말을 형성하는 분말 농축화 단계; 상기 분말을 세척하여 리튬을 농축하는 단계; 및 탄산나트륨(Na2CO3)을 이용하여 상기 리튬이온을 탄산화하는 탄산화 단계를 포함하는 고순도 탄산리튬 제조방법을 제공한다.
PCT/KR2011/009286 2010-06-28 2011-12-02 고순도 탄산리튬 제조방법 WO2012091305A2 (ko)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US13/992,818 US9169125B2 (en) 2010-06-28 2011-12-02 Method for producing high-purity lithium carbonate

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
KR10-2010-0139045 2010-12-30
KR1020100139046A KR101158527B1 (ko) 2010-06-28 2010-12-30 고순도 탄산리튬 제조방법
KR10-2010-0139046 2010-12-30
KR20100139045A KR101158526B1 (ko) 2010-06-28 2010-12-30 회수율이 향상된 고순도 탄산리튬 제조방법

Publications (2)

Publication Number Publication Date
WO2012091305A2 WO2012091305A2 (ko) 2012-07-05
WO2012091305A3 true WO2012091305A3 (ko) 2012-11-08

Family

ID=46384058

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2011/009286 WO2012091305A2 (ko) 2010-06-28 2011-12-02 고순도 탄산리튬 제조방법

Country Status (1)

Country Link
WO (1) WO2012091305A2 (ko)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112897557A (zh) * 2021-02-07 2021-06-04 湖南永杉锂业有限公司 一种从锂盐溶液中制备高纯碳酸锂的工艺

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101508450A (zh) * 2009-03-18 2009-08-19 中南大学 一种钙循环固相转化法从低镁锂比盐湖卤水中提取锂盐的方法
WO2009131628A1 (en) * 2008-04-22 2009-10-29 Chemetall Foote Corporation Method of making high purity lithium hydroxide and hydrochloric acid

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009131628A1 (en) * 2008-04-22 2009-10-29 Chemetall Foote Corporation Method of making high purity lithium hydroxide and hydrochloric acid
CN101508450A (zh) * 2009-03-18 2009-08-19 中南大学 一种钙循环固相转化法从低镁锂比盐湖卤水中提取锂盐的方法

Also Published As

Publication number Publication date
WO2012091305A2 (ko) 2012-07-05

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