Ionic Liquids

Originally delivered Aug 26, 2009
Developed by: AIChE
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Ionic Liquids are non-volatile organic salts that have low melting points, frequently below room temperature. Typical compounds are comprised of a quaternary ammonium, quaternary phosphonium, imidazolium or pyridinium cation with a wide variety of common anions. They are being explored for a variety of applications, including as solvents for separations.

This webinar will cover the use of Ionic Liquids for both liquid and gas separations, emphasizing how the choice of anion, cation and functional groups can be used to tailor Ionic Liquids for specific separations. In particular, we will show results for using Ionic Liquids to extract alcohols from aqueous solutions. In addition, we will explore the use of Ionic Liquids for separation of carbon dioxide from gas mixtures, including flue gas.


Dr. Joan F. Brennecke

Joan F. Brennecke is the Keating-Crawford Professor of Chemical Engineering at the University of Notre Dame and Director of the Notre Dame Energy Center.  She joined Notre Dame after completing her Ph.D. and M.S. (1989 and 1987) degrees at the University of Illinois at Urbana-Champaign and her B. S. at the University of Texas at Austin (1984). 

Her research interests are primarily in the development of less environmentally harmful solvents.  In particular, her research has focused on studies of supercritical fluids, including supercritical CO2 and supercritical water. She was...Read more

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