Fluorination catalyst and fluorination process

Details Fluorination catalyst and fluorination process Fluorination catalyst and fluorination process

1994-06-20

1996-02-27

Beck, Shrive

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

Catalyst or precursor therefor

Halogen or compound containing same

502228, 502231, B01J 2706, B01J 27132, B01J 27125

Patent

active

054948762

ABSTRACT:
A fluorination catalyst comprising indium, chromium, oxygen and fluorine as essential constituent elements thereof. The catalyst is prepared by fluorinating a catalyst precursor comprising indium and chromium elements by bringing it into contact with hydrogen fluoride or a fluorine-containing halogenated hydrocarbon at a temperature of 300.degree. to 500.degree. C. A halogenated hydrocarbon is fluorinated by bringing it into contact with hydrogen fluoride in a gaseous phase in the presence of the catalyst.

REFERENCES:
patent: 3859424 (1975-01-01), Scherer et al.
patent: 3992325 (1976-11-01), Knaak
patent: 4155881 (1979-05-01), Sullivan
patent: 4465786 (1984-08-01), Zimmer et al.
patent: 4922037 (1990-05-01), Manzer

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