Method of manufacturing a catalytic composite useful for the tre

Details Method of manufacturing a catalytic composite useful for the tre Method of manufacturing a catalytic composite useful for the tre

1974-12-16

1976-07-13

McCarthy, Helen M.

Compositions

Preservative agents

Anti-oxidants or chemical change inhibitants

252431C, 252466B, 252466PT, B01J 3104, B01J 3112

Patent

active

039692710

ABSTRACT:
A method of impregnating a catalytic component on the outer surface of a carrier material at conditions to improve the activity stability as well as the physical stability of the catalytic composite. A carrier material is immersed in an impregnating solution containing a catalytic component and a sulfur-containing carboxylic acid whereby the catalytic component is dispersed on the outer surface of the carrier material without any substantial penetration thereof. Prior to calcining, the impregnated carrier material is further impregnated with an alkaline earth metal salt of an organic acid and the solution evaporated to dryness in contact with the impregnated carrier material.

REFERENCES:
patent: 3367888 (1968-02-01), Hoekstra
patent: 3409390 (1968-11-01), Hoekstra
Hackh's Chemical Dictionary - 4th Ed. McGraw-Hill (1969) pp. 78-79 and 528-529.

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