专利类型:
阳极产品开发专利导航
公开(公告)号:
CH502991A
申请日:
1969-02-10
申请局:
CH
摘要:
Anode of lead - silver alloy is used, pref. in a two compartment cell. Cathode electrolyte is nitrile, separated by membrane from aqueous sulphuric acid in anode area. Released hydrogen cyanide is continuously removed from anode area by treatment with air. HCN content is pref. below 200 mg/l.
原始专利权人:
ASAHI CHEMICAL IND
当前专利权人:
ASAHI CHEMICAL IND