Organic compounds -- part of the class 532-570 series – Organic compounds – Carboxylic acids and salts thereof
Patent
1993-04-26
1994-12-06
Dees, Jose G.
Organic compounds -- part of the class 532-570 series
Organic compounds
Carboxylic acids and salts thereof
C07C 5112
Patent
active
053712862
ABSTRACT:
A method is provided to improve the quality of recycle of certain residues by modifying the separation of alkanes and alkane-like materials and carbonyl-containing impurities from the recycle during the manufacture of acetic acid by the carbonylation of methanol. The improvement comprises operating a prior art stripper column in a reflux manner and partitioning the residue therefrom by the addition of water. The method also reduces the volume of disposal of potentially valuable recyclable reactants.
Blay George A.
Picard Wayne D.
Scates Mark O.
Singh Madan
Cassady Donald R.
Conrad, III Joseph M.
Dees Jos,e G.
Hoechst Celanese Corporation
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