Regeneration of a modified alkylation catalyst with hydrogen

Details Regeneration of a modified alkylation catalyst with hydrogen Regeneration of a modified alkylation catalyst with hydrogen

1993-12-27

1995-02-21

Konopka, Paul E.

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

Regenerating or rehabilitating catalyst or sorbent

Gas or vapor treating

502 30, 502 31, 502 32, 502 35, 585721, B01J 2396, B01J 2732, B01J 3810, B01J 3858

Patent

active

053915275

ABSTRACT:
Catalytic composites of the reaction product of a metal halide having Friedel-Crafts activity with the bound surface hydroxyl group of inorganic oxides and containing a zerovalent metal with hydrogenation activity, often are effective catalysts in motor fuel alkylation which, however, undergo rapid deactivation. Deactivated catalysts are readily regenerable by treating the composite from which alkylate feedstock has been removed with hydrogen at temperatures in the range of 10.degree. to 300.degree. C. Multiple regenerations are possible without appreciable activity loss.

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patent: 3318820 (1967-05-01), Muller et al.
patent: 3352941 (1967-11-01), Shoen et al.
patent: 3893942 (1975-07-01), Yang
patent: 4098833 (1978-07-01), Wristers
patent: 5310713 (1994-05-01), Kojima et al.

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