Ionic liquids as selective additives for separation of...

Details Ionic liquids as selective additives for separation of... Ionic liquids as selective additives for separation of...

2002-03-14

2008-10-14

Manoharan, Virginia (Department: 1797)

Distillation: processes, separatory

Distilling to separate or remove only water

From organic compound

C203S003000, C203S015000, C203S017000, C203S018000, C203S049000, C203S057000, C585S833000, C585S864000, C585S866000

Reexamination Certificate

active

07435318

ABSTRACT:
The invention relates to a process for separating close-boiling, homo- and heteroazeotropic mixtures by using ionic liquids. Due to the selectivity and unusual combination of properties of the ionic liquids the process is superior to conventional extractive rectification from the point of view of costs and energy.

REFERENCES:
patent: 3304341 (1967-02-01), Berthold et al.
patent: 6339182 (2002-01-01), Munson et al.
patent: 7304200 (2007-12-01), Roettger et al.
patent: 2007/0080052 (2007-04-01), Beste et al.
patent: 1 011886 (1965-08-01), None
patent: 01/98239 (2001-12-01), None
patent: 03/040264 (2003-05-01), None

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