Synthesis, characterization, and application of 1-butyl-3-methylimidazolium thiocyanate for extractive desulfurization of liquid fuel

被引：24

作者：

Dharaskar, Swapnil A. ^{[1
]}

Wasewar, Kailas L. ^{[2
]}

Varma, Mahesh N. ^{[2
]}

Shende, Diwakar Z. ^{[2
]}

机构：

[1] Priyadarshini Inst Engn & Technol, Dept Chem Engn, Nagpur 440016, Maharashtra, India

[2] Visvesvaraya Natl Inst Technol, Dept Chem Engn, Adv Separat & Analyt Lab, Nagpur 440010, Maharashtra, India

来源：

ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH | 2016年 / 23卷 / 10期

关键词：

Ionic liquid; BMIM]SCN; Desulfurization; Liquid fuel; Extraction; OIL REFINERY STREAMS; IONIC LIQUIDS; DEEP DESULFURIZATION; OXIDATIVE DESULFURIZATION; ASSISTED EXTRACTION; REMOVAL; SULFUR; HYDRODESULFURIZATION; WATER; CATALYSTS;

D O I：

10.1007/s11356-015-4945-1

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

1-Butyl-3-methylimidazolium thiocyanate [BMIM]SCN has been presented on extractive desulfurization of liquid fuel. The FTIR, H-1-NMR, and C-NMR have been discussed for the molecular confirmation of synthesized [BMIM]SCN. Further, thermal, conductivity, moisture content, viscosity, and solubility analyses of [BMIM]SCN were carried out. The effects of time, temperature, sulfur compounds, ultrasonication, and recycling of [BMIM]SCN on removal of dibenzothiophene from liquid fuel were also investigated. In extractive desulfurization, removal of dibenzothiophene in n-dodecane was 86.5 % for mass ratio of 1:1 in 30 min at 30 degrees C under the mild process conditions. [BMIM]SCN could be reused five times without a significant decrease in activity. Also, in the desulfurization of real fuels, multistage extraction was examined. The data and results provided in the present paper explore the significant insights of imidazolium-based ionic liquids as novel extractant for extractive desulfurization of liquid fuels.

引用

页码：9284 / 9294

页数：11

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