Computer simulation of a process for extractive distillation of sulfolane aromatics

HUO YueYang;ZHANG ShuZeng

Journal of Beijing University of Chemical Technology ›› 2012, Vol. 39 ›› Issue (3) : 19-23.

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Journal of Beijing University of Chemical Technology ›› 2012, Vol. 39 ›› Issue (3) : 19-23.
化学与化学工程

Computer simulation of a process for extractive distillation of sulfolane aromatics

  • HUO YueYang;ZHANG ShuZeng
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Abstract

Based on the phase equilibrium data sets of extraction systems for sulfolane aromatics reported in the literature, binary parameters for three pairs of groups (CH2-SULF, ACH-SULF and ACCH2-SULF) were found to regress well using the UNIFAC-Dortmund model. The process was subsequently simulated by Aspen Plus. The results of the simulation were well consistent with the industrial operating parameters. The content of aromatics in the raffinate was 0.13%, the recovery ratio of benzene was 99.95%, the toluene recovery ratio was 99.76%, and the purity of aromatics was 99.89%. 

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HUO YueYang;ZHANG ShuZeng. Computer simulation of a process for extractive distillation of sulfolane aromatics[J]. Journal of Beijing University of Chemical Technology, 2012, 39(3): 19-23

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