Title:
METHOD FOR LEACHING VALUABLE METALS CONTAINED IN COPPER REMOVAL SLIME
Document Type and Number:
WIPO Patent Application WO/2016/104594
Kind Code:
A1
Abstract:
In the present invention, a method for leaching valuable metals contained in a copper removal slime is characterized in that during oxidative leaching with hydrochloric acid of valuable metals contained in a copper removal slime by adding hydrochloric acid and an oxidant to a slurry of the copper removal slime, the slurry is stirred, and slurry recirculation is carried out to extract slurry from the bottom of the tank and resupply the slurry into the tank from the top of the tank.
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Inventors:
SATOU RYOUSUKE (JP)
UNO TAKAHIRO (JP)
OKADA SATOSHI (JP)
UNO TAKAHIRO (JP)
OKADA SATOSHI (JP)
Application Number:
PCT/JP2015/086007
Publication Date:
June 30, 2016
Filing Date:
December 24, 2015
Export Citation:
Assignee:
MITSUBISHI MATERIALS CORP (JP)
International Classes:
C22B3/10; C22B7/00; C22B11/00; C25C1/12
Domestic Patent References:
| WO2015121799A1 | 2015-08-20 |
Foreign References:
| JP2009102724A | 2009-05-14 | |||
| JP2007277591A | 2007-10-25 | |||
| JP2012246198A | 2012-12-13 | |||
| JP2012126952A | 2012-07-05 | |||
| US20100116091A1 | 2010-05-13 |
Other References:
See also references of EP 3239310A4
Attorney, Agent or Firm:
SHIGA Masatake et al. (JP)
Masatake Shiga (JP)
Masatake Shiga (JP)
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