Title:
浸出液から貴金属および銅を回収する方法
Document Type and Number:
Japanese Patent JP6382717
Kind Code:
B2
Abstract:
The present disclosure is directed to a process for recovering a precious metal from a pregnant leach solution using a resin extractant. The precious metal is eluted from the loaded resin using an eluant comprising trithionate. The barren resin is contacted with a sulfide, bisulfide, and/or polysulfide to convert sorbed trithionate to thiosulfate. The desorbed thiosulfate is contacted with an oxidant and converted to trithionate for eluant recycle.
Inventors:
Choi, Yoonuk
Wang, Chen Khun
Langhans, Jr. John William
Wang, Chen Khun
Langhans, Jr. John William
Application Number:
JP2014516019A
Publication Date:
August 29, 2018
Filing Date:
June 15, 2012
Export Citation:
Assignee:
BARRICK GOLD CORPORATION
International Classes:
C22B11/00; B01J41/05; B01J41/12; B01J41/20; B01J49/57; C22B3/04; C22B3/42; C22B15/00
Foreign References:
| US6344068 |
Attorney, Agent or Firm:
Makoto Onda
Hironobu Onda
Atsushi Honda
Hironobu Onda
Atsushi Honda