Process for the isolation of vinyl acetate by distillation

Details Process for the isolation of vinyl acetate by distillation Process for the isolation of vinyl acetate by distillation

1990-10-15

1991-11-19

Bascomb, Jr., Wilbur

Distillation: processes, separatory

With disparate physical separation

Utilizing liquid sorption of component from gas or vapor

203 71, 203 81, 203 82, 203 87, 203DIG10, 203DIG19, 560248, B01D 300, C07C 6754

Patent

active

050663658

ABSTRACT:
The invention relates to a process for the isolation of vinyl acetate which involves not combining the bottom product of the recylced gas washings with the water-saturated vinyl acetate but rather introducing it to further multiple distillation columns from the gas mixture formed in the reaction of ethylene with acetic acid and oxygen over catalysts containing palladium or palladium compounds in the gas phase.

REFERENCES:
patent: 3404177 (1968-10-01), Baba et al.
patent: 3438870 (1969-04-01), Roscher et al.
patent: 3692636 (1972-09-01), Huguet
patent: 3905875 (1975-09-01), Kronig et al.
patent: 4156632 (1979-05-01), Roscher et al.
patent: 4818347 (1989-04-01), Roscher et al.

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