季铵盐类金属基离子液体对燃料油萃取脱硫性能研究
收稿日期: 2013-11-04
修回日期: 2014-01-26
网络出版日期: 2014-03-12
基金资助
国家自然科学基金（Nos.20576026，21106032）资助项目.
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).
合成了5种季铵盐类金属基离子液体（CPL-TBAB）/MCln （M=Ni，Cu，Co，Zn，Fe），分别考察了其对模型油的萃取脱硫效果. 结果表明（CPL-TBAB）/CuCl2·2H2O对模型油的萃取脱硫效果最好. 并确定了较佳萃取脱硫工艺条件为： CPL-TBAB与CuCl2·2H2O物质的量比为1：0.8，剂油比VIL/VOIL为1：1时，常温常压下，（CPL-TBAB）/0.8CuCl2·2H2O对模型油中二苯并噻吩（DBT）的萃取脱除率可以达到97.10%. 重复使用6次后（CPL-TBAB）/0.8CuCl2·2H2O的脱硫率只有略微下降. （CPL-TBAB）/0.8CuCl2·2H2O对不同含硫化合物和真实柴油均有较好的萃取脱硫效果，对真实柴油的单程萃取脱硫率可以达到75.59%. 所研制的离子液体是一种具有工业应用价值的脱硫萃取剂.
赵地顺 , 李俊盼 , 张娟 , 任培兵 , 葛京京 , 任腾杰 , 崔云 . 季铵盐类金属基离子液体对燃料油萃取脱硫性能研究[J]. 有机化学, 2014 , 34(7) : 1462 -1468 . DOI: 10.6023/cjoc201311004
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
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