Title:
【発明の名称】電解採取によるインジウムの回収方法
Document Type and Number:
Japanese Patent JP3089595
Kind Code:
B2
Abstract:
In order to recover indium, while preventing generation of chlorine gas, by a direct electrowinning method from a hydrochloric acid solution from which impurities have been removed by various chemical purification methods, an electrolysis is carried out by using an indium-containing hydrochloric acid solution as an electrolyte for a cathode compartment equipped with a cathode comprising an indium starting sheet, by using a sulfuric acid solution in an anode compartment equipped with an insoluble anode and separating the cathode compartment and the anode compartment with a diaphragm of a cation exchange material.
Inventors:
Hidenori Okamoto
Kazuaki Takebayashi
Kazuaki Takebayashi
Application Number:
JP19567794A
Publication Date:
September 18, 2000
Filing Date:
August 19, 1994
Export Citation:
Assignee:
Nikko Metal Co., Ltd.
International Classes:
C25C1/00; C25C1/22; C22B58/00; (IPC1-7): C22B58/00; C25C1/00; C25C1/22
Domestic Patent References:
| JP1234584A | ||||
| JP238536A | ||||
| JP5120019A | ||||
| JP579848A |
Attorney, Agent or Firm:
Takuo Murai