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US 2012/0237419 A1Published application
Method for producing lithium carbonate
AssigneesSumitomo Corporation, Nittetsu Mining Co., Ltd.
InventorsYuji TANIMURA, Kohei MITSUHASHI, Ryo KAWARABUKI, Masanobu KAWATA, Yutaka YAMAGUCHI
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Abstract
The present invention relates to a method for producing lithium carbonate, the method including: mixing ammonia and carbon dioxide gas (carbonate gas) with an aqueous solution containing lithium chloride to conduct a carbonation reaction; and thereafter, recovering a produced solid by solid-liquid separation, and also relates to a method for producing high purity lithium carbonate.
Claims6
A method for producing lithium carbonate, said method comprising:
- mixing ammonia and carbon dioxide gas (carbonate gas) with an aqueous solution containing lithium chloride to conduct a carbonation reaction;
- and thereafter, recovering a produced solid by solid-liquid separation.
Dependencies are inferred from the claim text.