Process for the production of a mixed-oxide oxidation catalyst c

Details Process for the production of a mixed-oxide oxidation catalyst c Process for the production of a mixed-oxide oxidation catalyst c

1976-01-12

1978-07-11

Garvin, Patrick P.

Compositions

Preservative agents

Anti-oxidants or chemical change inhibitants

252435, B01J 2714

Patent

active

041001060

ABSTRACT:
The process for the production of a mixed-oxide oxidation catalyst which, based on the vanadium and pentavalent phosphorus, has an atomic ratio of phosphorus to vanadium between 1.05 to 1 and 1.10 to 1. The process involves reacting a salt of tetravalent vanadium, dissolved in a non-oxidizing acid aqueous solution, with orthophosphoric acid. The resultant soluble vanadium salt complex, after concentrating the solution is precipitated by adding water. The precipitate is dried. The dried precipitate is put or formed into the desired form. The formed, dried precipitate is subjected to a heat treatment of at least 300.degree. C. A mixed-oxide oxidation catalyst is obtained.

REFERENCES:
patent: B330354 (1975-01-01), Mount et al.
patent: 3156705 (1964-11-01), Kerr
patent: 3156707 (1964-11-01), Kerr
patent: 3255212 (1966-06-01), Kerr
patent: 3538122 (1970-11-01), Friedrichsen et al.
patent: 3684741 (1972-08-01), Friedrichsen et al.
patent: 3888886 (1975-06-01), Young et al.
patent: 3977998 (1976-08-01), Freerks et al.

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