Process for azeotropic distillation

Distillation: processes – separatory – With measuring – testing or inspecting – Of temperature or pressure

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203 50, 203 60, 203 67, 203 68, 203 69, 203 70, 203DIG23, B01D 336, B01D 342, C07C 5146, C07C 2928

Patent

active

042049156

ABSTRACT:
An azeotropic distillation is conducted by feeding a part of an entrainer to the lower region of an azeotropic zone in a distillation column.

REFERENCES:
patent: 1568349 (1926-01-01), Steffens
patent: 1860512 (1932-05-01), Ricard et al.
patent: 2159146 (1939-05-01), Guinot
patent: 2171549 (1939-09-01), Gordon et al.
patent: 3050450 (1972-08-01), Kleiss et al.
patent: 3132078 (1964-05-01), Backlund
patent: 3293154 (1966-12-01), Newton
patent: 3431181 (1969-03-01), Bouniot
patent: 3692636 (1972-09-01), Huguet

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