Process for producing catalysts comprising a carrier impregnated

Details Process for producing catalysts comprising a carrier impregnated Process for producing catalysts comprising a carrier impregnated

1978-02-03

1979-10-02

Konopka, P. E.

Compositions

Preservative agents

Anti-oxidants or chemical change inhibitants

252464, 252466PT, 252473, 423237, B01J 2710, B01J 2358, B01J 2364, C01C 300

Patent

active

041698142

ABSTRACT:
A catalyst for decomposing ammonia by oxidation is produced by converting the surface layer of steel material of specified shape resembling a ring, honeycomb, plate or the like to an aluminum alloy, treating the steel material with an aluminum dissolving solution to dissolve out the aluminum and to render the surface layer porous, subjecting the steel material to oxidation treatment to obtain a catalyst carrier, immersing the carrier in a solution of chloroplatinic acid adjusted to weak alkalinity with barium hydroxide, and drying the carrier after withdrawing the carrier from the solution.

REFERENCES:
patent: 3409390 (1968-11-01), Hoekstra
patent: 3467491 (1969-09-01), Hardison
patent: 3873472 (1975-03-01), Oshima et al.
patent: 3944504 (1976-03-01), Fora et al.
patent: 4040981 (1977-08-01), Inaba et al.

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