Process for preparing catalysts containing platinum metal

Details Process for preparing catalysts containing platinum metal Process for preparing catalysts containing platinum metal

1974-10-07

1976-05-11

Shine, W. J.

Chemistry of inorganic compounds

Nitrogen or compound thereof

Oxygen containing

252472, C01B 2114, B01J 2342

Patent

active

039564690

ABSTRACT:
A process is disclosed whereby an improved platinum metal-containing catalyst is prepared. Standard platinum metal catalysts are treated with sulfur compounds which liberate sulfurous acid in acid media. The sulfur compounds contain 15 to 150 atom % of sulfur based on the platinum metal present. The treatment is conducted in the presence of hydroxylammonium salts in acid media and in the absence of reducing agents which are capable of reducing sulfurous acid to sulfide.

REFERENCES:
patent: 3295925 (1967-01-01), Fueg et al.

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