Carbonylation process

Details Carbonylation process Carbonylation process

1978-11-20

1981-03-10

Garner, Vivian

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

Organic compounds

Carboxylic acids and salts thereof

55 16, 2604109R, 260413, 260428, 260546, 260549, 560 78, 560 79, 560 97, 560105, 560106, 560114, 560175, 560191, 560204, 560207, 560218, 560232, 560233, 560248, 562406, 562494, 562497, 562519, 562520, 562522, 562593, 562608, C07C 5110, C07C 5112, C07C 5114, C07C 6736, C07C 6737, C07C 6738

Patent

active

042555914

ABSTRACT:
There is provided an improved continuous homogeneous catalytic carbonylation process wherein a mixed gas stream is removed from the carbonylation reactor, condensable liquids separated from said gas stream and said gas stream vented, the improvement comprising contacting said gas stream with a plurality of hollow fiber membranes selectively permeable to hydrogen under conditions substantially non-degrading of the membranes to generate a non-permeated gas stream of higher carbon monoxide content and recycling said non-permeated gas stream to the carbonylation process reactor. There is also provided for the recovery and recycle to the process of carbonylation products such as acetic or propionic acids by adsorption and removal from a solid adsorbent or absorption in a liquid absorbent.

REFERENCES:
patent: 3845121 (1974-10-01), Eubanks et al.
patent: 4102922 (1978-07-01), Price
Chem. Engineering Progress, pp. 76-78, Oct. 1977.

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