Production of acrylic acid

Details Production of acrylic acid Production of acrylic acid

1980-01-29

1982-12-21

Garner, Vivian

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

Organic compounds

Carboxylic acids and salts thereof

562532, 562535, 562536, 562544, 562546, 562548, 562600, 568479, C07C 5125, C07C 5704, C07C 57055

Patent

active

043650872

ABSTRACT:
In the production of acrylic acid by a two-stage, vapor-phase catalytic oxidation of propylene, a composite oxide catalyst expressed by the formula Mo.sub.a Bi.sub.b Ni.sub.c Co.sub.d Fe.sub.e Na.sub.f Mn.sub.g B.sub.h K.sub.i Si.sub.j O.sub.x is used in the first-stage reaction, which is carried out under specific reaction and operational conditions, and the second-stage reaction is carried under specific reaction and operational conditions while oxygen is supplied by a specific mode.

REFERENCES:
patent: 3903149 (1975-09-01), Kadowaki et al.
patent: 4008280 (1977-02-01), Watanabe et al.
patent: 4031135 (1977-06-01), Engelbach et al.
patent: 4147885 (1979-04-01), Shimizu et al.

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