Extractive distillation of alcohol-ester mixtures

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

1982-05-10

1984-09-25

Sever, Frank

Distillation: processes, separatory

Adding material to distilland except water or steam per se

Organic compound

203 77, 203 80, 203 91, 560248, B01D 340

Patent

active

044734441

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.

REFERENCES:
patent: 3855078 (1974-12-01), Fredrick et al.
patent: 3904676 (1975-09-01), Curtis

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