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Title:
METHOD FOR PURIFYING LITHIUM HYDROXIDE
Document Type and Number:
Japanese Patent JP2012106874
Kind Code:
A
Abstract:

To prevent a composition deviation of crystal water in lithium hydroxide.

Alkali hydroxide is added to a solution dissolving lithium carbonate, and then, lithium hydroxide obtained by solid-liquid separation is dried at 20-40°C and relative humidity in the range of 60-80%.


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Inventors:
ASANO SATOSHI
ISHIDA HITOSHI
Application Number:
JP2010255183A
Publication Date:
June 07, 2012
Filing Date:
November 15, 2010
Export Citation:
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Assignee:
SUMITOMO METAL MINING CO
International Classes:
C01D1/28; B09B3/00; B09B5/00; C22B3/04; C22B3/26; C22B3/44; C22B7/00; C22B23/00; C22B26/12; H01M6/52; H01M10/54
Attorney, Agent or Firm:
Akira Koike
Seiji Iga
Toshiya Fujii
Nobuhiro Noguchi
Yusei Atsuya



 
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