Zeolite activation

Catalyst – solid sorbent – or support therefor: product or process – Zeolite or clay – including gallium analogs – And additional al or si containing component

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502 77, 502 85, B01J 2928

Patent

active

045593140

ABSTRACT:
The activity of a zeolite catalyst is enhanced by forming the catalyst into a composite with a binder such as alumina and steaming the composite. The zeolites have a Constraint Index of 1 to 12 and a silica:alumina ratio of at least 12 and ZSM-5 is preferred. The enhancement of the activity is greatest at the high silica:alumina ratio, especially at ratios above 1200.

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patent: 4344927 (1982-08-01), Young
patent: 4362653 (1982-12-01), Robinson
patent: 4443554 (1984-04-01), Dessau
patent: 4468475 (1984-08-01), Kuehl

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