|کد مقاله||کد نشریه||سال انتشار||مقاله انگلیسی||ترجمه فارسی||نسخه تمام متن|
|201122||460533||2016||9 صفحه PDF||سفارش دهید||دانلود رایگان|
This paper investigates liquid-liquid equilibrium (LLE) in the mixture of acetone, butanol, ethanol (ABE) and water in combination with three hydrophobic ionic liquids:1-butyl-3-methylimidazolium bis(trifluoromethylsulfonyl)imide [bmim][Tf2N],1-hexyl-3-methylimidazolium hexafluorophosphate [hmim][PF6];and 1-butyl-1-methylpyrrolidinium bis(trifluoromethylsulphonyl)imide [bmp][Tf2N].To model the LLE, the non-random two-liquid (NRTL) equation was used. The experimental data were taken from the cited work of Kamiński et al. (2014), where the unknown equation parameters had been determined with the help of Matlab programming. In this work, however, Aspen Plus™ software was employed as it readily facilitates further simulations of the extraction step. Different yet similarly accurate sets of the NRTL parameters were obtained. After the model formulation, single-stage and multi-stage extraction processes were simulated and examined in terms of ABE recovery effects.
Journal: Fluid Phase Equilibria - Volume 425, 15 October 2016, Pages 365–373