Regeneration of catalysts for gas phase fluorination

Details Regeneration of catalysts for gas phase fluorination Regeneration of catalysts for gas phase fluorination

1997-03-28

1999-03-09

Lewis, Michael

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

Regenerating or rehabilitating catalyst or sorbent

Gas or vapor treating

502 35, B01J 3846, B01J 3842, B01J 2034

Patent

active

058800492

ABSTRACT:
In order to regenerate the activity of a catalyst for gas phase fluorination the spent catalyst is treated with chlorine and hydrogen fluoride, at a temperature of between 250.degree. and 450.degree. C.

REFERENCES:
patent: H1129 (1993-01-01), Gumprecht
patent: 5227350 (1993-07-01), Scott et al.
patent: 5262575 (1993-11-01), Dianis
patent: 5407877 (1995-04-01), Scott
French Search Report dated Dec. 16, 1996.

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