Catalyst for the fluorination of halogenated hydrocarbons

Details Catalyst for the fluorination of halogenated hydrocarbons Catalyst for the fluorination of halogenated hydrocarbons

1997-04-15

1999-07-06

Nguyen, Ngoc-Yen

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

Catalyst or precursor therefor

Metal, metal oxide or metal hydroxide

502306, 502308, 502309, 502319, 570165, 570169, 570170, B01J 2326, C07C 1908

Patent

active

059197285

ABSTRACT:
A fluorination catalyst based on of an amorphous Cr (III) compound and on a compound of another metal selected from Mg, Ca, Sr, Ba, Sc, Ti and Zr, wherein the atomic ratio of Cr/other metal is between 50:1 and 1:1, said compounds are supported on a AlF.sub.3 support and being prepared by impregnating the support with a concentrated aqueous solution containing a soluble Cr (III) salt and a soluble salt of the other metal. The catalyst can be used in gaseous phase reactions.

REFERENCES:
patent: 4547483 (1985-10-01), Muller
patent: 5600039 (1997-02-01), Galland et al.
patent: 5616820 (1997-04-01), Cheminal et al.
Patent Abstracts of Japan, vol. 007, No. 046 (C-153), Feb. 23, 1983 and JP 57 197233 A (Asahi Glass KK), Dec. 3, 1982.

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