The Radiation Stability of Organic Ionic Liquids in Biphasic Systems
34th Annual CNS Conference - 2013 June 09-12

Presented at:
34th Annual CNS Conference
2013 June 09-12
Toronto, Canada
Session Title:
Environment & Spent Fuel Management 1

Susan E. Howett (Western University)
James J. Noel (Western University)
J. Clara Wren (Western University)


Theinfluence of γ-radiation on the stability of biphasic water/ionic liquid (IL) and gas/ILsystems was studied. The behaviours of two phosphonium-based ionic liquids with the same cation and differing anions were compared. Exposure to γ-radiation did not significantly impact ILstability, but it did speed up processes that occurred even in the absence of radiation. The two most significanteffects of irradiation were the promotion of faster emulsion layer formation and the precipitation of a fine white solid. Precipitate formation could be deleterious,whereas emulsion layer formation could beeither beneficial or detrimental,inan IL-basedseparations process.

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