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Regulating sulfur removal efficiency of fuels by Lewis acidity of ionic liquids
Nie, Yi1,2,3; Dong, Yuxiao4; Gao, Hongshuai1,2,3; Zhang, Xiangping1,2,3; Zhang, Suojiang1,2,3
2016-05-01
发表期刊SCIENCE CHINA-CHEMISTRY
ISSN1674-7291
卷号59期号:5页码:526-531
摘要It is urgent to develop a new deep desulfurization process of fuels as the environmental pollution increases seriously. In this work, a series of Lewis acidic ionic liquids (ILs) [(C4MPy)-M-3]Cl/nZnCl(2) (n=1, 1.5, 2, 3) were synthesized and used in extraction and catalytic oxidative desulfurization (ECOD) of the fuels. The effects of the Lewis acidity of ILs, the molar ratio of H2O2/sulfur, temperatures, and different substrates including dibenzothiophene (DBT), benzothiophene (BT) and thiophene (TS), on sulfur removal were investigated. The results indicated that [(C4MPy)-M-3]Cl/3ZnCl(2) presented near 100% DBT removal of model oil under conditions of 323 K, H2O2/DBT molar ratio 6:1. Kinetics for the removal of DBT, BT and TS by the [(C4MPy)-M-3]Cl/3ZnCl(2)-H2O2 system at 323 K is first-order with the apparent rate constants of 1.1348, 0.2226 and 0.0609 h(-1), and the calculated apparent activation energies for DBT, BT and TS were 61.13, 60.66, and 68.14 kJ/mol from 298 to 308 K, respectively. After six cycles of the regenerated [(C4MPy)-M-3]Cl/3ZnCl(2), the sulfur removal had a slight decrease. [(C4MPy)-M-3]Cl/3ZnCl(2) showed a good desulfurization performance under optimal conditions.
关键词Desulfurization Lewis Acidity Ionic Liquids Extractant Catalyst
文章类型Article
WOS标题词Science & Technology ; Physical Sciences
DOI10.1007/s11426-016-5563-6
收录类别SCI
语种英语
关键词[WOS]DEEP OXIDATIVE DESULFURIZATION ; EXTRACTIVE DESULFURIZATION ; ROOM-TEMPERATURE ; DIESEL FUEL ; DIBENZOTHIOPHENE ; H2O2 ; PEROXIDE ; SYSTEMS
WOS研究方向Chemistry
WOS类目Chemistry, Multidisciplinary
项目资助者National Natural Science Foundation of China(21576262 ; International S&T Cooperation Program of China(2014DFA61670) ; "Recruitment of Outstanding Technologist" of Chinese Academy of Sciences ; 21206169)
WOS记录号WOS:000375885200004
引用统计
文献类型期刊论文
条目标识符http://ir.ipe.ac.cn/handle/122111/21057
专题多相复杂系统国家重点实验室
作者单位1.Chinese Acad Sci, Inst Proc Engn, Beijing Key Lab Ion Liquids Clean Proc, Beijing 100190, Peoples R China
2.Chinese Acad Sci, Inst Proc Engn, CAS Key Lab Green Proc & Engn, Beijing 100190, Peoples R China
3.Chinese Acad Sci, Inst Proc Engn, State Key Lab Multiphase Complex Syst, Beijing 100190, Peoples R China
4.Qufu Normal Univ, Coll Chem & Chem Engn, Qufu 273165, Peoples R China
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Nie, Yi,Dong, Yuxiao,Gao, Hongshuai,et al. Regulating sulfur removal efficiency of fuels by Lewis acidity of ionic liquids[J]. SCIENCE CHINA-CHEMISTRY,2016,59(5):526-531.
APA Nie, Yi,Dong, Yuxiao,Gao, Hongshuai,Zhang, Xiangping,&Zhang, Suojiang.(2016).Regulating sulfur removal efficiency of fuels by Lewis acidity of ionic liquids.SCIENCE CHINA-CHEMISTRY,59(5),526-531.
MLA Nie, Yi,et al."Regulating sulfur removal efficiency of fuels by Lewis acidity of ionic liquids".SCIENCE CHINA-CHEMISTRY 59.5(2016):526-531.
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