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Title:
METHOD OF SEPARATING GALLIUM FROM ZINC
Document Type and Number:
Japanese Patent JP2014214358
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a simple and inexpensive method of separating gallium from impurities.SOLUTION: A method of separating gallium from zinc includes a first step of adjusting the pH of a gallium aqueous solution containing zinc to 3-5 and taking out a precipitation containing gallium and zinc, a second step of dissolving the precipitation obtained in the first step in an alkaline aqueous solution of a pH of 13 or higher and a third step of adjusting the pH of the alkaline aqueous solution obtained in the second step and containing gallium and zinc to 12-13 so as to separate the alkaline aqueous solution into an aqueous solution containing gallium and a precipitation containing zinc.

Inventors:
SUZUKI YUKA
MATSUMORI AKITOSHI
Application Number:
JP2013093833A
Publication Date:
November 17, 2014
Filing Date:
April 26, 2013
Export Citation:
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Assignee:
ASAHI PRETEC CORP
International Classes:
C22B58/00; C22B3/44
Domestic Patent References:
JP2001097716A2001-04-10
JP2014025141A2014-02-06



 
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