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Title:
IONIC LIQUIDS AS SELECTIVE ADDITIVES FOR THE SEPARATION OF CLOSE-BOILING OR AZEOTROPIC MIXTURES
Document Type and Number:
WIPO Patent Application WO2002074718
Kind Code:
A3
Abstract:
The invention relates to a method for separating close-boiling homo and heteroazeotropic mixtures using ionic liquids. The method is superior to conventional extractive rectification in terms of cost-effectiveness and exergetic aspects as a result of the selectivity and the unusual characteristic profile of the ionic liquids.

Inventors:
ARLT WOLFGANG (DE)
SEILER MATTHIAS (DE)
JORK CARSTEN (DE)
SCHNEIDER THOMAS (DE)
Application Number:
EP0202824W
Publication Date:
November 28, 2002
Filing Date:
March 14, 2002
Export Citation:
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Assignee:
BASF AG (DE)
ARLT WOLFGANG (DE)
SEILER MATTHIAS (DE)
JORK CARSTEN (DE)
SCHNEIDER THOMAS (DE)
International Classes:
C07D307/08; B01D3/36; B01D3/40; C07B63/00; C07C7/08; C07C9/10; C07C11/08; C07C29/84; C07C31/04; C07C31/08; C07C31/10; C07C35/08; C07C45/83; C07C49/08; C07C49/403; C07C63/00; (IPC1-7): B01D3/40; B01D3/36; C07C63/00
Domestic Patent References:
WO2001098239A12001-12-27
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