On the Use of Ionic Liquids to Separate Aromatic Hydrocarbons from a Model Soil

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Abstract

The potential of exploiting ionic liquids (ILs) for an ex situ solvent aromatic extraction technique is envisaged in this work, due to the serious proportions reached by this kind of contaminants associated with the industrial progress. 1-butyl-1-methylpyrrolidinium bis (trifluoromethylsulfonyl) imide, tetraalkyl ammonium sulfate, trihexyl (tetradecyl) phosphonium dicyanamide, 1-hexyl-3-methylimidazolium hexafluorophosphate, 1,3-dimethylimidazolium methyl sulfate, and 1-butyl-3-methylimidazolium methyl sulfate are proposed to efficiently extract benzene, toluene, and ethylbenzene at concentrations over the maximum allowable limit. The extraction procedure is completed with a washing and recycling step with the purpose of achieving a more competitive process.
Original languageUnknown
Pages (from-to)377-385
JournalSeparation Science And Technology
Volume47
Issue number2
DOIs
Publication statusPublished - 1 Jan 2012

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