Extractive distillation of alcohol-ester mixtures and transester

Details Extractive distillation of alcohol-ester mixtures and transester Extractive distillation of alcohol-ester mixtures and transester

1982-02-08

1984-02-14

Bascomb, Jr., Wilbur L.

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

Organic compounds

Carboxylic acid esters

560248, 560265, 568877, 568913, 203 69, 203 84, 203DIG6, 203DIG23, B01D 340, C07C 6702, C07C 6748

Patent

active

044318383

ABSTRACT:
A C.sub.1 -C.sub.4 alkanol and its corresponding acetate or a C.sub.1 -C.sub.2 alkanol and its corresponding propionate are separated by extractive distillation utilizing an aromatic hydrocarbon as the extractive solvent. Transesterification of lower alkanols and lower alkyl acetates or propionates is effected by means of extractive distillation and the preparation of an intermediate ester of a higher boiling alcohol.

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