Electrolysis process

US6224740A · kind A · utility

Inventors

• Fritz Gestermann · Leverkusen, DE
• Hans-Dieter Pinter · Wermelskirchen, DE
• Helmut Ziegler · Bubenreuth, DE

Key dates

• Filing date: Jun 5, 2000
• Grant date: May 1, 2001
• Expiry date: Jun 5, 2020

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C25B15/087
• WIPO field: Surface technology, coating
• WIPO sector: Chemistry

Abstract

The invention relates to a process for the electrolysis of sodium chloride-containing brine with parallel operation of amalgam electrolysis units (5) and membrane electrolysis units (4) with a common brine circuit using a mercury-resistant oxygen consumable cathode in the membrane electrolysis unit (4).