Chemical treatment of aluminum cathodes in zinc electrowinning

专利类型: 
阳极产品开发专利导航
公开(公告)号: 
US5019172A
申请日: 
1990-04-30
申请局: 
US
摘要: 
A chemical treatment of an aluminum cathode used in zinc electrowinning consists of contacting the affected areas of the aluminum cathode or the entire surface of the cathode with a dilute hydrochloric acid aqueous solution.
原始专利权人: 
NORANDA INC
受让人: 
NORANDA INC.
当前专利权人: 
Noranda Inc