Process for re-activation of solid acid catalyst

Details Process for re-activation of solid acid catalyst Process for re-activation of solid acid catalyst

1982-07-28

1984-05-08

Gantz, Delbert E.

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

Regenerating or rehabilitating catalyst or sorbent

Gas or vapor treating

502 35, B01J 3712

Patent

active

044475535

ABSTRACT:
A process is disclosed for re-activating a used solid acid catalyst wherein the catalyst is calcined to burn off heavy hydrocarbons and subsequently halogenated with chlorine and/or fluorine or their compounds entrained by an inert gas or a non-reducing gas. The resulting re-activated catalyst finds wide application in isomerization and oligomerization of olefins, conversion of methanol into hydrocarbons, and isomerization, disproportionation or trans-alkylation of aromatic hydrocarbons.

REFERENCES:
patent: 3243384 (1966-03-01), Raarup, Jr.
patent: 3637524 (1972-01-01), Johnson et al.
patent: 3654142 (1972-04-01), Moravec, Jr. et al.
patent: 3781219 (1973-12-01), Johnson et al.
patent: 3939061 (1976-02-01), Paynter et al.
patent: 3981824 (1976-09-01), Greenwood et al.
patent: 4083800 (1978-04-01), Herbstman et al.

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