Process for producing acrylic acid

Details Process for producing acrylic acid Process for producing acrylic acid

1982-09-29

1989-10-10

Lone, Werren B.

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

Organic compounds

Carboxylic acids and salts thereof

562534, 568479, C07C 5125, C07C 5705

Patent

active

048733687

ABSTRACT:
Propylene in admixture with molecular oxygen and steam is subjected to a two-step, vapor-phase, catalytic oxidation to convert into acrolein and then into acrylic acid. At least the first-step reaction is conducted in tubes of an apparatus of a shell-and-tube heat-exchanger type structure, and the reaction product of the first-step reaction is quenched before it is subjected to the second-step reaction. Reaction conditions in both the steps are specified.

REFERENCES:
patent: 3717675 (1973-02-01), Sennewald et al.
patent: 3801634 (1974-04-01), Krabetz et al.
patent: 3876693 (1975-04-01), Erpenbach et al.
patent: 3956376 (1976-05-01), Ferlazzo et al.
patent: 4031135 (1977-06-01), Engelbach et al.
patent: 4147885 (1979-04-01), Shimizu et al.

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