Preparation of thallium promoted VO(PO.sub.3).sub.2 oxidation ca

Details Preparation of thallium promoted VO(PO.sub.3).sub.2 oxidation ca Preparation of thallium promoted VO(PO.sub.3).sub.2 oxidation ca

1979-12-19

1981-06-16

Gantz, Delbert E.

Compositions

Preservative agents

Anti-oxidants or chemical change inhibitants

252430, B01J 2714, B01J 3102

Patent

active

042736773

ABSTRACT:
A method for the preparation of a thallium promoted single phase vanadium(IV)bis(metaphosphate) catalyst useful for the vapor phase oxidation of linear C.sub.4 unsaturated olefins to prepare maleic anhydride.

REFERENCES:
patent: 3870655 (1975-03-01), Nanba et al.
patent: 3907835 (1975-09-01), Kobylinski et al.
patent: 3985775 (1976-10-01), Harrison

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