文献类型：期刊文献

英文题名：Effect of water on extractive desulfurization of fuel oils using ionic liquids: A COSMO-RS and experimental study

作者：Song, Zhen[1];Yu, Dian[1];Zeng, Qian[1];Zhang, Jingjing[1];Cheng, Hongye[1];Chen, Lifang[1];Qi, Zhiwen[1]

机构：[1]East China Univ Sci & Technol, Sch Chem Engn, State Key Lab Chem Engn, Max Planck Partner Grp, Shanghai 200237, Peoples R China

年份：2017

卷号：25

期号：2

起止页码：159

外文期刊名：CHINESE JOURNAL OF CHEMICAL ENGINEERING

收录：;EI(收录号：20170303255664);WOS:【SCI-EXPANDED(收录号:WOS:000397964300005)】；

基金：Supported by the National Natural Science Foundation of China (NSFC U1462123), PetroChina Innovation Foundation, and Fundamental Research Funds for the Central Universities of China (22201313007).

语种：英文

外文关键词：Extractive desulfurization; Ionic liquids; COSMO-RS; Water content effect

摘要：When evaluating ionic liquids (ILs) for extractive desulfurization (EDS) of fuel oils, the inevitable presence of water in the system may have a significant and in many cases strongly negative effect. However, few studies have considered this particular issue and a promoted water effect on EDS is scarcely reported. In this work, COSMO-RS was firstly employed to calculate the capacity and selectivity for EDS of various IL/H2O mixtures, which cover different IL characters and a wide water concentration range. Experiments were then conducted with a representative IL [C4MIM][H2PO4], whose stable and even promoted extraction performance with a small amount of water was suggested by COSMO-RS. Through analyses of the desulfurization ratio, the cross-solubility and the water content in the desulfurized fuel, the promoted effect of water within a certain range (<10 wt%) was experimentally demonstrated. Moreover, such effect of water was explained combining the viscosity, the solvent-solute interactions and the COSMO-RS based analysis. (C) 2016 The Chemical Industry and Engineering Society of China, and Chemical Industry Press. All rights reserved.