Title:
PURIFICATION OF ALUMINUM SOLUTION
Document Type and Number:
Japanese Patent JPH06298529
Kind Code:
A
Abstract:
PURPOSE: To provide a process for removing nickel and cobalt from an aluminum solution containing traces of nickel, cobalt, etc.
CONSTITUTION: An aluminum solution containing nickel, cobalt, etc., is made to contact with a sulfurizing agent while keeping the pH of the solution to 0-3, preferably 2-3 and the produced sulfide is separated. The obtained liquid is brought into contact with an iminodiacetic acid exchange group type chelate resin and an aminocarboxylic acid type chelate resin at an SV of 2-20 to easily and surely obtain an aluminum solution having high purity.
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Inventors:
MATSUNAGA ICHIRO
KIRISHIMA KENJI
SHIBAYAMA HARUO
KIRISHIMA KENJI
SHIBAYAMA HARUO
Application Number:
JP10599793A
Publication Date:
October 25, 1994
Filing Date:
April 09, 1993
Export Citation:
Assignee:
SUMITOMO METAL MINING CO
International Classes:
B01D15/00; C01F7/47; B01J45/00; C01F7/62; C01G51/00; C01G53/00; (IPC1-7): C01F7/62; B01D15/00; B01J45/00; C01F7/74; C01G51/00; C01G53/00
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