Catalyst for fluorination of 1,1,1,-trifluoro-2,2-dichloroethane

Details Catalyst for fluorination of 1,1,1,-trifluoro-2,2-dichloroethane Catalyst for fluorination of 1,1,1,-trifluoro-2,2-dichloroethane

1995-06-15

1996-11-05

Mc Farlane, Anthony

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

Catalyst or precursor therefor

Metal, metal oxide or metal hydroxide

502305, 502306, 502317, B01J 2326

Patent

active

055717705

ABSTRACT:
There are a catalyst for fluorination production of 1,1,1-trifluoro-2,2-dichloroethane comprises chromium, one compound selected from the group consisting of Mg and Ca and at least one metal component selected from the group consisting of Zn, Ce and Ni, wherein the molar ratio of Cr to Mg or Ca ranges from 1:1 to 1:32 and the molar ratio Cr to the metal component is not more than 1:0.5, and method for preparing the same comprising the steps of; producing an admixture of a composition comprising chromium, one compound selected from the group consisting of magnesium fluoride and calcium fluoride and at least one metal compound selected from a group consisting of cerium fluoride, zinc fluoride and nickel fluoride with water and refluxing the admixture in methanol or ethanol.

REFERENCES:
patent: 3258500 (1966-06-01), Swamer et al.
patent: 3978145 (1976-08-01), Knaak
patent: 3992325 (1976-11-01), Knaak
patent: 4843181 (1989-06-01), Gumprecht et al.
patent: 5281568 (1994-01-01), Scott et al.
patent: 5449656 (1995-09-01), Scott et al.

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