Title:
活性炭からの金の回収方法
Document Type and Number:
Japanese Patent JP6462722
Kind Code:
B2
Abstract:
The present invention is intended for effectively removing copper, iron, sulfur, which are impurities, from activated carbon on which gold is adsorbed before gold eluting in the point of view of gold recovery, and is related to a method for eluting gold from an activated carbon on which at least sulfur (S) and gold (Au) are adsorbed, whereas the activated carbon is washed with an alkali solution before eluting the gold, and then the gold is eluted from the activated carbon.
Inventors:
Kazuhiro Hatano
Yoshimura Akira
Ryosuke Tatsumi
Yoshimura Akira
Ryosuke Tatsumi
Application Number:
JP2016566086A
Publication Date:
January 30, 2019
Filing Date:
December 04, 2015
Export Citation:
Assignee:
JX Nippon Mining & Metals Co., Ltd.
International Classes:
C22B11/00
Domestic Patent References:
| JP2014004511A |
Foreign References:
| WO2014132419A1 |
Attorney, Agent or Firm:
Axis International Patent Business Corporation