High strength alumina-silica catalyst substrates having high sur

Details High strength alumina-silica catalyst substrates having high sur High strength alumina-silica catalyst substrates having high sur

1974-07-11

1976-03-09

Dees, Carl F.

Compositions

Preservative agents

Anti-oxidants or chemical change inhibitants

252477R, 106 69, B01J 2906

Patent

active

039430642

ABSTRACT:
Catalyst substrates characterized by superior structural properties and a subsequent high degree of catalytic activity are produced by using a blend of colloidal silica and specially activated alumina which blend is subsequently rehydrated and activated under certain specified conditions. In a preferred embodiment the substrate is activated at a temperature of 1200.degree.-1400.degree.C to provide a substrate characterized by the absence of free silica.

REFERENCES:
patent: 2563650 (1951-08-01), Heinemann
patent: 2941958 (1960-06-01), Connor, Jr. et al.
patent: 3146210 (1964-08-01), Baldwin
patent: 3184414 (1965-05-01), Koch et al.

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