Title:
塩化物で補助される金属の湿式冶金的抽出方法
Document Type and Number:
Japanese Patent JP3609421
Kind Code:
B2
Abstract:
A process for the recovery of nickel and/or cobalt values from a concentrate containing nickel or cobalt hydroxide comprises the steps of subjecting the concentrate to a leaching stage with an ammonium solution to produce a leach solution containing nickel and/or cobalt values and a residue. The nickel concentration in the leach solution is controlled to a maximum value of about 3 to 25 g/l, preferably 8 to 15 g/l and more preferably 10 g/l.
Inventors:
David El Jones
Application Number:
JP50001997A
Publication Date:
January 12, 2005
Filing Date:
January 19, 1996
Export Citation:
Assignee:
COMINCO ENGINEERING SERVICES LTD.
International Classes:
C22B3/04; B01D11/00; B01D11/02; C01G1/00; C22B1/00; C22B3/00; C22B3/06; C22B3/08; C22B3/10; C22B3/14; C22B3/20; C22B3/24; C22B3/26; C22B3/38; C22B3/42; C22B3/44; C22B11/00; C22B15/00; C22B23/00; C25C1/00; C25C1/08; C22B19/00; (IPC1-7): C22B15/00; C22B3/04; C22B3/24
Domestic Patent References:
| JP50051415A | ||||
| JP52038806B1 | ||||
| JP59064722A | ||||
| JP61034483B1 |
Foreign References:
| US5431788 |
Attorney, Agent or Firm:
Tatsuhiko Sato
Takehiro Chiba
Takehiro Chiba
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