Chromium-based fluorination catalyst containing gallium and prod

Details Chromium-based fluorination catalyst containing gallium and prod Chromium-based fluorination catalyst containing gallium and prod

1994-12-01

1996-02-27

Beck, Shrive

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

Catalyst or precursor therefor

Halogen or compound containing same

502104, 502231, B01J 27132, B01J 27125, B01J 3726

Patent

active

054948770

ABSTRACT:
To produce hydrofluorocarbons with high productivity, and to provide a catalyst for that purpose and a production method of the catalyst, there is provided a chromium-based fluorination catalyst comprising Cr, Ga, O and F as the essential constituent elements, wherein a Ga/Cr atomic ratio is from 0.001 to 0.15. The catalyst is prepared by particularly fluorinating a precursor of an oxide or a hydroxide. HF and a halogenated hydrocarbon are brought into contact in a gaseous phase in the presence of this catalyst.

REFERENCES:
patent: 3859424 (1975-01-01), Scherer et al.

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