Process for the regeneration of a catalyst based on trivalent ch

Details Process for the regeneration of a catalyst based on trivalent ch Process for the regeneration of a catalyst based on trivalent ch

1997-05-02

2000-11-21

Mulpuri, Savitri

Organic compounds -- part of the class 532-570 series

Organic compounds

Halogen containing

570165, 570168, 570169, 502 38, 502 53, 502 56, C07C 1700, B01J 2034

Patent

active

061505722

ABSTRACT:
Process for the regeneration of a fluorination catalyst based on Cr(III) compounds optionallay supported comprising a) the treatment at 350.degree. C.-400.degree. C. with an air/inert gas mixture and b) treatment at 300.degree. C.-380.degree. C. with a mixture of an inert gas containing from 1 to 10% by volume of hydrogen.

REFERENCES:
patent: 5057634 (1991-10-01), Webster et al.
patent: 5262574 (1993-11-01), Carmello et al.
Tsuji Katsuyuki et al, Abstract of Japanese Publication No. 05092141, dated Apr. 16, 1993, "Method for Activating and Regenerating Chromium Type Fluorinating Catalyst".

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