Catalyst – solid sorbent – or support therefor: product or process – Miscellaneous
Patent
1984-06-11
1985-07-16
Shine, W. J.
Catalyst, solid sorbent, or support therefor: product or process
Miscellaneous
502263, 502355, 423628, B01J 2104
Patent
active
045297185
ABSTRACT:
Aqueous alumina coating compositions well adopted for directly impregnating/coating both ceramic and metallic catalyst supports to provide integral, both macroporous and microporous coatings therefor, which coated supports are useful for the fabrication of a wide variety of catalysts for catalyzing a broad spectrum of reactions, including those characterized by highly limited internal diffusion or by progressive catalyst poisoning, e.g., the treatment of exhaust gases, are comprised of water and a particulate alumina binder fraction dispersed therein, and an undispersed particulate alumina filler fraction therefor, said particulate alumina fractions being from 10 to 60% dispersed in the water, with the grain size distribution of the alumina particles comprising said undispersed filler fraction being such that the average diameter of said alumina filler particles ranges from 1 to 15 microns, and with at least 70% of such alumina filler particles having diameters ranging from one-half of the average diameter to twice the average diameter.
REFERENCES:
patent: 3554929 (1971-01-01), Aarons
patent: 3928239 (1975-12-01), Yonehara et al.
patent: 4199477 (1980-04-01), Hegedus
Rhone-Poulenc Specialites Chimiques
Shine W. J.
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