Controlling the Aqueous Miscibility of Ionic Liquids:  Aqueous Biphasic Systems of Water-Miscible Ionic Liquids and Water-Structuring Salts for Recycle, Metathesis, and Separations

Gutowski, Keith E.; Broker, G.A.; Willauer, Heather D.; Huddleston, Jonathan G.; Swatloski, Richard P.; Holbrey, John D.; Rogers, Robin D.

doi:10.1021/ja0351802

articleJournal of the American Chemical SocietyMay 10, 2003Closed access

Controlling the Aqueous Miscibility of Ionic Liquids: Aqueous Biphasic Systems of Water-Miscible Ionic Liquids and Water-Structuring Salts for Recycle, Metathesis, and Separations

KEKeith E. Gutowski GBG.A. Broker HDHeather D. Willauer JGJonathan G. Huddleston RPRichard P. Swatloski

University of Alabama

PubMed

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Abstract

Hydrophilic ionic liquids can be salted-out and concentrated from aqueous solution upon addition of kosmotropic salts forming aqueous biphasic systems as illustrated by the phase behavior of mixtures of 1-butyl-3-methylimidazolium chloride ([C4mim]Cl) and K3PO4.

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Topics & keywords

Topics

Keywords

Chemistry
Ionic liquid
Miscibility
Aqueous solution
Chloride
C4mim
Inorganic chemistry
Chemical engineering

UN Sustainable Development Goals

Clean water and sanitation

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