Process for regenerating an impure catalyst comprising sulphuric

Details Process for regenerating an impure catalyst comprising sulphuric Process for regenerating an impure catalyst comprising sulphuric

1995-01-06

1996-02-06

Pal, Asok

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

Regenerating or rehabilitating catalyst or sorbent

Gas or vapor treating

502232, 585730, 585731, C07C 258, C07C 262, B01J 2034, B01J 3812

Patent

active

054895600

ABSTRACT:
The invention concerns a process for regenerating an impure catalyst comprising sulphuric acid deposited on silica.
It is characterized in that the catalyst is calcined at least once to eliminate organic hydrocarbon substances contained in the catalyst, in particular as a result of its use in aliphatic alkylation reactions.

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patent: 4822760 (1989-04-01), Kashibe et al.
patent: 5321149 (1994-06-01), Webb et al.
patent: 5336833 (1994-08-01), Joly et al.
patent: 5362694 (1994-11-01), Hollstein et al.
patent: 5420093 (1995-05-01), Joly et al.

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