Process for separating off alkanols, mixtures of alkanols and wa

Details Process for separating off alkanols, mixtures of alkanols and wa Process for separating off alkanols, mixtures of alkanols and wa

1993-10-06

1994-11-01

Evans, Joseph E.

Organic compounds -- part of the class 532-570 series

Organic compounds

Carbonate esters

568913, 568916, C07C 2726, C07C 2976, C07C 6996

Patent

active

053609239

ABSTRACT:
A first alkanol having 1 to 3 C atoms or a mixture of this first alkanol with water or water itself can be separated off from oxygen-containing organic compounds having 3 to 7 C atoms from the group comprising second alkanols and dialkyl carbonates, which always have at least 2 C atoms more than the first alkanol, by permeation on membranes if a membrane obtained by plasma polymerization is employed.

REFERENCES:
patent: 3657113 (1972-04-01), Stancell et al.
patent: 4162200 (1979-01-01), Himmele et al.
patent: 4798674 (1989-01-01), Pasternak et al.
patent: 4960519 (1990-10-01), Pasternak et al.
patent: 5151190 (1992-09-01), Seiryo
patent: 5248427 (1993-09-01), Spiske et al.
Derwent Abstract of JP 02-212,456 1990.

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