C - Chemistry – Metallurgy – 25 – B
Patent
C - Chemistry, Metallurgy
25
B
117/101, 204/196
C25B 11/06 (2006.01) B01J 25/00 (2006.01) B01J 35/06 (2006.01) B01J 37/02 (2006.01) C25B 11/00 (2006.01)
Patent
CA 1137922
ABSTRACT OF THE DISCLOSURE: The invention is concerned with a process of manu- facturing sheet metal elements or strips having a catalytic surface structure, in which a mixture containing skeleton powder and Raney alloy powder in a ratio of 1:3 to 3:1 is ap- plied to a starting sheet metal element or starting strip and bonded thereto by roll cladding and is subsequently sintered in a reducing atmosphere at temperature above 600°C, and the soluble component of the Raney alloy is dissolved out by a treatment with an alkaline or acid solution. The process of the invention is characterized in that the mixture is bonded to the sheet metal element or strip by roll cladding and the sheet metal element or strip is cold-formed at the same time with a deformation of 20 to 60% in one forming step. The coated sheet metal element or strip substrates or any spherical bodies made therefrom serve as electrodes in electrolytic processes, e.g., in the alkaline chloride or water electrolysis, in the production of salts of oxyacide of chlorine, or as a catalyst in chemical oxidation-reduction processes.
331339
Lohrberg Karl
Muller Jurgen
Sermond Bernd
Wullenweber Heinz
Metallgesellschaft Aktiengesellschaft
Robic Robic & Associes/associates
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