Title:
活性炭の再生方法及び、金の回収方法
Document Type and Number:
Japanese Patent JP6463175
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a reactivation method of activated carbon enabling the activated carbon to be used effectively and repeatedly by reactivating the used active carbon to high activity, and a recovery method of gold.SOLUTION: In a reactivation method of activated carbon, after gold is eluted from activated carbon adsorbing the gold, the used activated carbon after elution of the gold is reactivated to reuse for adsorption of the gold. The used activated carbon is washed with alkaline washings or neutral washings, and the washings after washing are adjusted to an alkaline region or a neutral region.SELECTED DRAWING: None
Inventors:
Kazuhiro Hatano
Yoshimura Akira
Ryosuke Tatsumi
Yoshimura Akira
Ryosuke Tatsumi
Application Number:
JP2015045107A
Publication Date:
January 30, 2019
Filing Date:
March 06, 2015
Export Citation:
Assignee:
JX Nippon Mining & Metals Co., Ltd.
International Classes:
B01J20/34; B01J20/20; C22B3/24; C22B11/00
Domestic Patent References:
| JP2013147685A | ||||
| JP61186430A | ||||
| JP2747498B2 | ||||
| JP55100213A | ||||
| JP2014055311A | ||||
| JP61040288B1 |
Foreign References:
| WO2011160179A1 | ||||
| US20010008617 | ||||
| US6238632 |
Attorney, Agent or Firm:
Axis International Patent Business Corporation