Title:
METHOD FOR LEACHING COPPER
Document Type and Number:
Japanese Patent JP3746449
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To supply a thin solution of divalent copper in a wet leaching method of a chloride bath.
SOLUTION: In a wet leaching method of a chloride bath, a principal ingredient is leached in the first half and a subsidiary ingredient having high reducibility is leached in the latter half to stably obtain a solution having a low concentration of divalent copper after leaching.
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Inventors:
Toshifumi Ishii
Application Number:
JP2001339238A
Publication Date:
February 15, 2006
Filing Date:
November 05, 2001
Export Citation:
Assignee:
Nikko Metal Co., Ltd.
International Classes:
C22B7/00; C22B15/00; C22B3/04; (IPC1-7): C22B15/00; C22B3/04; C22B7/00
Domestic Patent References:
| JP7508073A | ||||
| JP1180986A | ||||
| JP7300691A |