Processing acrylonitrile waste gas

Details Processing acrylonitrile waste gas Processing acrylonitrile waste gas

1981-01-05

1982-06-15

Torrence, Dolph H.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

562545, 562546, 568476, 568479, 568480, C07C12014, C07C 51215, C07C 4535

Patent

active

043350569

ABSTRACT:
In the recovery of acrylonitrile from the gross reaction product produced during the commercial ammoxidation of propylene to produce acrylonitrile, an ammoxidation waste gas containing at least 65% nitrogen, carbon dioxide, carbon monoxide and a small amount of unreacted propylene is produced. In accordance with the invention, this ammoxidation waste gas is passed through a catalytic converter containing an oxidation or ammoxidation catalyst to convert the unreacted propylene into valuable product.

REFERENCES:
patent: 3404947 (1968-10-01), Miller et al.
patent: 3766092 (1973-10-01), Honda et al.
patent: 3895050 (1975-07-01), Sheely
patent: 3988423 (1976-10-01), Ahrui et al.
patent: 4065486 (1977-12-01), Thorpe et al.

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