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Ionic Liquids separation of oil and sand.

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In the video from PennState, Aron Lupinsky tells that he is working in the group of Prof. Painter.

Combining these information, a cursory search furnishes the article

Recovery of Bitumen from Low-Grade Oil Sands Using Ionic Liquids by Phillip Williams, Aron Lupinsky and Paul Painter, published in Energy Fuels, 2010, 24, 2172–2173 (DOI).

On the first page of the article, it is mentioned that a mixture of toluene and 1-butyl-2,3-dimethylimidazolinium tetrafluoroborate, $\ce{[bmmim][BF4]}$, was used for the extraction.

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