Process for production of acrylic acid

Details Process for production of acrylic acid Process for production of acrylic acid

1995-11-13

1998-04-14

Geist, Gary

Organic compounds -- part of the class 532-570 series

Organic compounds

Carboxylic acids and salts thereof

C07C 51235

Patent

active

057393923

ABSTRACT:
Acrylic acid can be produced efficiently by subjecting acrolein to catalytic gas-phase oxidation in the presence of a molybdenum/vanadium-based oxide catalyst prepared by using particular substances as the raw materials of the individual metal elements constituting the catalyst. A preferable example of such a catalyst is prepared by using, as the raw materials of vanadium, ammonium metavanadate and at least one vanadium oxide in which the valency of vanadium is larger than 0 but smaller than 5; as the raw material of copper, copper nitrate; and, as at least part of the raw material(s) of antimony, at least one antimony oxide in which the valency of antimony is larger than 0 but smaller than 5.

REFERENCES:
patent: Re29901 (1979-02-01), Wada et al.
patent: 3867438 (1975-02-01), Hensel et al.
patent: 3886092 (1975-05-01), Wada et al.
patent: 3997600 (1976-12-01), Ferlazzo et al.
patent: 4405498 (1983-09-01), Ebner
patent: 5177260 (1993-01-01), Kawajiri et al.
Heterogeneous Catalytic Oxidation of Acrolein to Acrylic Acid: Mechanism and Catalysts, T.V. Andrushkevich, Catal. Rev.-Sci. Eng., 35(2), 213-259/1993.

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