Activity enhancement of high silica zeolites by thermal treatmen

Catalyst – solid sorbent – or support therefor: product or process – Zeolite or clay – including gallium analogs – Activating treatment

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Details

502 71, 502 77, B01J 2928, B01J 3700

Patent

active

044789505

ABSTRACT:
A crystalline high silica-containing zeolite, such as ZSM-5, is hydrothermally treated with aluminate ion to enhance the catalytic activity.

REFERENCES:
patent: 3804746 (1974-04-01), Chu
patent: 4172843 (1979-10-01), Dwyer et al.
patent: 4207250 (1980-06-01), Butter et al.
patent: 4218573 (1980-08-01), Tabak et al.

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