Reactivation of steam-deactivated catalysts

Details Reactivation of steam-deactivated catalysts Reactivation of steam-deactivated catalysts

1983-02-04

1984-10-16

Konopka, P. E.

Catalyst, solid sorbent, or support therefor: product or process

Regenerating or rehabilitating catalyst or sorbent

Treating with a liquid or treating in a liquid phase,...

208120, 502 77, 502 86, B01J 2938, B01J 2906, C10G 1105

Patent

active

044775822

ABSTRACT:
A process is provided for reactivating a catalyst composition comprising a crystalline zeolite material having a silicon/aluminum atomic ratio of at least about 3.5, said catalyst composition having been deactivated by contact with steam. The method involves the necessary steps of contacting said steam-deactivated catalyst composition with a metal salt solution, followed by contacting said metal salt solution contacted catalyst composition with an aqueous ammonium ion-containing solution.

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patent: 4085069 (1978-04-01), Alafandi et al.
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patent: 4324696 (1982-04-01), Miale
patent: 4357265 (1982-11-01), Chiang
patent: 4375573 (1983-03-01), Young

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