Process for recovering ethanol from dilute aqueous solutions emp

Details Process for recovering ethanol from dilute aqueous solutions emp Process for recovering ethanol from dilute aqueous solutions emp

1981-11-27

1982-11-16

Evans, Joseph E.

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

Organic compounds

Oxygen containing

568917, C07C 2976

Patent

active

043595936

ABSTRACT:
Ethanol is recovered from a dilute aqueous stream thereof by contacting said stream with crosslinked polyvinylpyridine resin or nuclear substituted derivative thereof to effect selective sorption of the ethanol by said resin. Sorbed ethanol is thereafter removed from the resin by stripping with an inert gas such as carbon dioxide.

REFERENCES:
patent: 2943105 (1960-06-01), Caruthers
patent: 3021374 (1962-02-01), Radzitzki
patent: 3485879 (1969-12-01), Mameniskis et al.
patent: 4277635 (1981-07-01), Oulman et al.

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