Separation of tertiary butyl alcohol from water by azeotropic or

Details Separation of tertiary butyl alcohol from water by azeotropic or Separation of tertiary butyl alcohol from water by azeotropic or

1991-02-21

1992-01-28

Bascomb, Jr., Wilbur

Distillation: processes, separatory

Distilling to separate or remove only water

From organic compound

203 57, 203 60, 203 62, 203 63, 203 64, 568916, B01D 336, B01D 340, C07C 2984

Patent

active

050841424

ABSTRACT:
t-Butyl alcohol cannot be completely separated from water by conventional distillation or rectification because of the minimum boiling azeotrope. t-Butyl alcohol can be readily separated from water by using azeotropic or extractive distillation. Typical examples of effective agents are: by azeotropic distillation, vinyl n-butyl ether and propylene glycol dimethyl ether; by extractive distillation, 1,3-butanediol and triethylene glycol.

REFERENCES:
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patent: 2591671 (1952-04-01), Catterall
patent: 3464896 (1969-09-01), Washall
patent: 4366032 (1982-12-01), Mikitenko et al.
patent: 4400241 (1983-08-01), Braithwaite et al.
patent: 4631115 (1986-12-01), Berg et al.
patent: 4636284 (1987-01-01), English et al.

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