Chinese Journal of Organic Chemistry >
Extractive Desulfurization of Fuel Oil with Metal-Based Hyamine Ionic Liquids
Received date: 2013-11-04
Revised date: 2014-01-26
Online published: 2014-03-12
Supported by
Project supported by the National Natural Science Foundation of China (Nos. 20576026, 21106032).
Five metal-based hyamine ionic liquids (CPL-TBAB)/MCln (M=Ni, Cu, Co, Zn, Fe) were synthesized and investigated in extractive desulfurization of model oil. The result indicated that (CPL-TBAB)/CuCl2·2H2O was superior to other ionic liquids for the extraction desulfurization. The removal ratio of dibenzothiophene (DBT) can be up to 97.10% under the optimal reaction conditions having the suitable molar ratio of CPL-TBAB to CuCl2·2H2O being 1:0.8 and VIL/VOIL being 1:1 at room temperature and atmosphere. The extraction ability of ionic liquid decreases only slightly after 6 cycles of reuse. (CPL-TBAB)/0.8CuCl2·2H2O showed an excellent extraction ability for different sulfur compounds model oil and real diesel. The single extractive desulfurization removal ratio of real diesel was 75.59%. These results demonstrate that this metal-based ionic liquid is a promising extractive desulfurization agent.
Key words： metal-based ionic liquid; diesel; extract; desulfurization
Zhao Dishun , Li Junpan , Zhang Juan , Ren Peibing , Ge Jingjing , Ren Tengjie , Cui Yun . Extractive Desulfurization of Fuel Oil with Metal-Based Hyamine Ionic Liquids[J]. Chinese Journal of Organic Chemistry, 2014 , 34(7) : 1462 -1468 . DOI: 10.6023/cjoc201311004
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