Phosphorus/vanadium catalyst preparation

Details Phosphorus/vanadium catalyst preparation Phosphorus/vanadium catalyst preparation

1994-07-15

1996-01-02

Lusignan, Michael

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

Catalyst or precursor therefor

Halogen or compound containing same

502 51, 502209, B01J 2706

Patent

active

054808537

ABSTRACT:
A vanadium/phosphorus mixed oxide catalyst containing not more than 0.2 wt % chloride is produced by drying chloride containing catalyst precursor at 100.degree.-180.degree. C., calcining the dried precursor, preferably under nitrogen, at 200.degree.-300.degree. C. and activating the calcined precursor at 350.degree.-550.degree. C. with a gas containing oxygen and a reducing agent such as propane, and preferably steam.

REFERENCES:
patent: 4002650 (1977-01-01), Bremer et al.
patent: 4043943 (1977-08-01), Schneider
patent: 4569925 (1986-02-01), Yang et al.
patent: 5137860 (1992-08-01), Ebner et al.
patent: 5348927 (1994-09-01), Bortinger
patent: 5364824 (1994-11-01), Andrews et al.
patent: 5401207 (1995-03-01), Beninger et al.

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