Characterization of systems of thiophene and benzene with ionic liquids
authors Batista, MLS; Tome, LIN; Neves, CMSS; Gomes, JRB; Coutinho, JAP
nationality International
journal JOURNAL OF MOLECULAR LIQUIDS
author keywords Ionic liquids; Thiophene; Benzene; Density; Viscosity; Excess volumes; Solubility
keywords BINARY-SYSTEMS; ALIPHATIC-HYDROCARBONS; PHASE-EQUILIBRIA; DESULFURIZATION; EXTRACTION; AROMATICS; GASOLINE; SULFOLANE; WATER; BIS((TRIFLUOROMETHYL)SULFONYL)AMIDE
abstract The potential of ionic liquids for aromatic-aliphatic separation or removal of sulfur-containing compounds such as thiophene is well established but, in spite of a number of phase diagrams reported in the literature, the values of other properties required for process design, such as viscosities and densities, are poorly characterized for these mixtures. In this work, systems presenting a LLE with a LCST are studied. Experimental density and viscosity data for binary systems of benzene with [C(4)C(1)im][SCN], [C(4)D(1)im][CF3SO3] and [C(2)C(1)im][NTf2], and thiophene with [C(4)C(1)im][SCN] and [C(4)C(1)im][NTf2] are presented. Additionally, the liquid-liquid phase diagram for the binary system of thiophene with [C(4)C(1)im][NTf2] is also reported. The excess molar volumes and viscosity deviations were further estimated and correlated and their values discussed. (C) 2013 Elsevier B.V. All rights reserved.
publisher ELSEVIER SCIENCE BV
issn 0167-7322
year published 2014
volume 192
beginning page 26
ending page 31
digital object identifier (doi) 10.1016/j.molliq.2013.10.014
web of science category Chemistry, Physical; Physics, Atomic, Molecular & Chemical
subject category Chemistry; Physics
unique article identifier WOS:000336111600005
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