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AuthorWang, Y.
AuthorThompson, J.
AuthorZhou, J.
AuthorGoodrich, P.
AuthorAtilhan, M.
AuthorPensado, A.S.
AuthorKirchner, B.
AuthorRooney, D.
AuthorJacquemin, J.
AuthorKhraisheh, Majeda
Available date2022-05-21T08:36:54Z
Publication Date2014
Publication NameJournal of Chemical Thermodynamics
ResourceScopus
Identifierhttp://dx.doi.org/10.1016/j.jct.2014.02.002
URIhttp://hdl.handle.net/10576/31222
AbstractThis paper describes the extraction of C5-C8 linear -olefins from olefin/paraffin mixtures of the same carbon number via a reversible complexation with a silver salt (silver bis(trifluoromethylsulfonyl) imide, Ag[Tf2N]) to form room temperature ionic liquids [Ag(olefin)x][Tf2N]. From the experimental (liquid + liquid) equilibrium data for the olefin/paraffin mixtures and Ag[Tf 2N], 1-pentene showed the best separation performance while C 7 and C8 olefins could only be separated from the corresponding mixtures on addition of water which also improves the selectivity at lower carbon numbers like the C5 and C6, for example. Using infrared and Raman spectroscopy of the complex and Ag[Tf2N] saturated by olefin, the mechanism of the extraction was found to be based on both chemical complexation and the physical solubility of the olefin in the ionic liquid ([Ag(olefin)x][Tf2N]). These experiments further support the use of such extraction techniques for the separation of olefins from paraffins.
Languageen
PublisherAcademic Press
SubjectDFT and UNIQUAC calculations
Ionic liquid
Olefin/paraffin separation
Spectroscopy
TitleUse of water in aiding olefin/paraffin (liquid + liquid) extraction via complexation with a silver bis(trifluoromethylsulfonyl)imide salt
TypeArticle
Pagination230-240
Volume Number77
dc.accessType Abstract Only


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