Organic compounds -- part of the class 532-570 series – Organic compounds – Oxygen containing
Patent
1993-05-25
1994-04-12
Evans, Joseph E.
Organic compounds -- part of the class 532-570 series
Organic compounds
Oxygen containing
568913, 568922, C07C 2936, C07C 2944, C07C 3302
Patent
active
053027507
ABSTRACT:
A method for separating a water soluble noble metal catalyst from a crude reaction product of a noble metal-catalyzed process for preparing octadienol from butadiene in aqueous solution, in an aqueous emulsion or as an aqueous suspension, the crude reaction product including an aqueous phase containing a water soluble Group VIII noble metal-ligand complex catalyst, and an organic phase containing unreacted butadiene feed and an organic octadienol reaction product, which comprises: (a) contacting the crude reaction product with a hydrophobic membrane capable of allowing a substantial portion of the unreacted butadiene feed and organic octadienol reaction product to pass therethrough while retaining a substantial portion of the water soluble Group VIII noble metal-ligand complex catalyst; (b) removing unreacted butadiene feed and the organic octadienol reaction product which passes through the hydrophobic membrane as permeate; and (c) retaining the water soluble Group VIII noble metal-ligand complex catalyst as retentate.
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Evans Joseph E.
Exxon Chemical Patents Inc.
Mahon John J.
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