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Extraction Process of Dibenzothiophene with New Distillable Amine-Based Protic Ionic Liquids
Li, Zhuo1,2; Li, Changping1; Chi, Yansheng1; Wang, Ailing1; Zhang, Zhida1; Li, Huaxi1; Liu, Qingshan3; Welz-Biermann, Urs3
刊名ENERGY & FUELS
2012-06-01
DOI10.1021/ef3005064
26期:6页:3723-3727
收录类别SCI
文章类型Article
类目[WOS]Energy & Fuels ; Engineering, Chemical
研究领域[WOS]Energy & Fuels ; Engineering
关键词[WOS]OXIDATIVE DESULFURIZATION ; DEEP DESULFURIZATION ; DIESEL FUEL ; SULFUR
英文摘要In this study, two kinds of amine-based protic ionic liquids (PILs), namely, 2-[2-(dimethylamino)ethoxy] ethanol propionate ([DMEE][CO2Et]) and 3-(dimethylamino)-propanenitrile propionate ([DMAPN][CO2Et]), were introduced into the desulfurization process for the first time. Some important parameters, such as stirring speed, ionic liquid (IL) dosage, initial concentration, etc., were investigated. According to the experiments, the sulfur content in the model oil can be effectively removed from 1600 to about 650 ppm by a single extraction cycle. After five cycles, the sulfur content could reach up to 19 ppm and the deep desulfurization was achieved. Most important, the recycling of PILs was realized by vacuumed distillation. The properties and extraction efficiency of PILs have no change after recycling. At the same time, the extraction mechanisms were probed. The results show that the hydrogen bond formed between the sulfur of dibenzothiophene (DBT) and the active hydrogen of PIL accounts for the high desulfurization efficiencies. This novel process would provide a new route for extraction desulfurization of diesel fuels.
语种英语
WOS记录号WOS:000305444400067
引用统计
被引频次:44[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/142893
专题中国科学院大连化学物理研究所
作者单位1.Dalian Univ, Dept Chem Engn, Dalian 116622, Peoples R China
2.Dalian Ocean Univ, Sch Sci, Dalian 116023, Peoples R China
3.Chinese Acad Sci, Dalian Inst Chem Phys, China Ion Liquid Lab, Dalian 116023, Peoples R China
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GB/T 7714
Li, Zhuo,Li, Changping,Chi, Yansheng,et al. Extraction Process of Dibenzothiophene with New Distillable Amine-Based Protic Ionic Liquids[J]. ENERGY & FUELS,2012,26(6):3723-3727.
APA Li, Zhuo.,Li, Changping.,Chi, Yansheng.,Wang, Ailing.,Zhang, Zhida.,...&Welz-Biermann, Urs.(2012).Extraction Process of Dibenzothiophene with New Distillable Amine-Based Protic Ionic Liquids.ENERGY & FUELS,26(6),3723-3727.
MLA Li, Zhuo,et al."Extraction Process of Dibenzothiophene with New Distillable Amine-Based Protic Ionic Liquids".ENERGY & FUELS 26.6(2012):3723-3727.
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