Method for preparing an oxidation catalyst

Details Method for preparing an oxidation catalyst Method for preparing an oxidation catalyst

1976-06-21

1979-04-17

Gantz, Delbert E.

Compositions

Preservative agents

Anti-oxidants or chemical change inhibitants

252437, 252430, B01J 2714, B01J 3102

Patent

active

041499921

ABSTRACT:
In a method for preparing a phosphorus-vanadium-oxygen catalyst wherein a pentavalent vanadium compound and a trivalent phosphorus compound are brought together in a liquid reaction zone under conditions to provide a substantial amount of tetravalent vanadium and to form a phosphorus-vanadium-oxygen catalyst precursor having a phosphorus to vanadium atom ratio between about 0.9:1 and about 2:1, the improvement of this invention comprises adding a sufficient amount of a surfactant to the liquid reaction zone to form a dispersion which comprises a liquid, the surfactant and a dispersoid of the phosphorus-vanadium-oxygen catalyst precursor.

REFERENCES:
patent: 2643231 (1953-06-01), Erickson
patent: 2875159 (1959-02-01), Erickson
patent: 3060132 (1962-10-01), Weeks et al.
patent: 3474041 (1969-10-01), Kerr
patent: 3657151 (1972-04-01), Noble
patent: 3789018 (1974-01-01), Levy et al.
patent: 3893943 (1975-07-01), Willard, Sr.
patent: 3907707 (1975-09-01), Raffelson et al.

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