发明名称 |
Electrolytic process and apparatus |
摘要 |
Disclosed is an electrolytic cell having an anode, a cathode, and a synthetic fluoro-carbon-resin permionic membrane between the anode and cathode. The improvement is characterized by the fluorocarbon-resin permionic membrane being a fluorinated copolymer having carboxylic acid ion exchange groups and the cathode having a catalytic, non-ferrous surface. Also disclosed is a process of producing an alkali metal hydroxide by electrolyzing an aqueous alkali metal chloride brine in an electrolytic cell having the anode separated from a catalytic, non-ferrous cathode by a synthetic fluorocarbon-resin permionic membrane having carboxylic acid ion exchange groups.
|
申请公布号 |
US4248680(A) |
申请公布日期 |
1981.02.03 |
申请号 |
US19790006069 |
申请日期 |
1979.01.24 |
申请人 |
PPG INDUSTRIES, INC. |
发明人 |
CARLIN, WILLIAM W.;DARLINGTON, WILLIAM B.;DUBOIS, DONALD W.;WOO, ROSEANNE M. |
分类号 |
C25B1/46;C25B11/06;(IPC1-7):C25B1/34;C25B11/03;C25B13/08 |
主分类号 |
C25B1/46 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|