Separation of 1-propanol from 2-butanol by extractive distillati

Details Separation of 1-propanol from 2-butanol by extractive distillati Separation of 1-propanol from 2-butanol by extractive distillati

1994-01-18

1994-10-25

Bascomb, Jr., Wilbur

Distillation: processes, separatory

Adding material to distilland except water or steam per se

Organic compound

203 60, 203 62, 203 65, 568913, 568918, B01D 340, C07C 2984

Patent

active

053586085

ABSTRACT:
1-Propanol is difficult to separate from 2-butanol by conventional distillation or rectification because of the proximity of their boiling points. 1-Propanol can be readily separated from 2-butanol by extractive distillation. Effective agents are isobutyl acetate, isobornyl methyl acetate and ethyl butyrate.

REFERENCES:
patent: 2559519 (1951-07-01), Smith et al.
patent: 2570205 (1951-10-01), Carlson et al.
patent: 2575243 (1951-11-01), Carlson et al.
patent: 2583412 (1952-01-01), Carlson et al.
patent: 4715933 (1987-12-01), Berg et al.

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