Recovery of components of a binary azeotrope

Details Recovery of components of a binary azeotrope Recovery of components of a binary azeotrope

1982-08-02

1985-01-08

Bascomb, Wilbur

Distillation: processes, separatory

With disparate physical separation

203 71, 203 98, 203DIG19, 203DIG9, 202176, 202204, 568913, B01D 336

Patent

active

044926138

ABSTRACT:
Methanol and cyclohexane are recovered from a condensed methanol-cyclohexane azeotrope by allowing the condensed azeotrope to separate in a vessel into an upper phase rich in cyclohexane and a lower phase rich in methanol, fractionating the upper phase in a first column whereby the methanol-cyclohexane azeotrope is taken off the top and returned to the vessel while cyclohexane is removed from the lower portion of the first column, and fractionating the lower phase in a second column whereby the methanol-cyclohexane azeotrope is taken off the top and returned to the vessel while methanol is removed from the lower portion of the second column.

REFERENCES:
patent: 2341433 (1944-02-01), Fisher
patent: 2368050 (1945-01-01), Tooke
patent: 2423795 (1947-07-01), Patterson
patent: 3271273 (1966-09-01), Fox et al.
patent: 3434937 (1969-03-01), Elliott et al.
patent: 3480516 (1969-11-01), Tindall et al.
patent: 4161429 (1979-07-01), Baiel et al.
patent: 4400501 (1983-08-01), Lane, Jr. et al.
Technique of Organic Chemistry, vol. IV, Distillation Weissberger, 1951, (pp. 366-368).

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