Citation: DUAN Yue-xin, SUN Pei-yong, ZHANG Sheng-hong, YAO Zhi-long, LUO Xue-qing, YE Li-li. Study on mechanism and ability of removal thiol from methyl tert-butyl ether by ionic liquid [BIm]Cl/CuCl[J]. Journal of Fuel Chemistry and Technology, ;2015, 43(9): 1113-1119. shu

Study on mechanism and ability of removal thiol from methyl tert-butyl ether by ionic liquid [BIm]Cl/CuCl

DUAN Yue-xin ^1,2 ,
SUN Pei-yong ^1,2 ,
ZHANG Sheng-hong ^1,2 ,
YAO Zhi-long ^1,2,, ,
LUO Xue-qing ^1,2 ,
YE Li-li ^1,2

1.
1. Beijing Institute of Petrochemical Technology, Beijing 102617, China;

Corresponding author: YAO Zhi-long,
Received Date: 18 May 2015
Available Online: 8 July 2015

Ionic liquid [BIm]Cl/CuCl was synthesized by two-step synthesis using 1-butylimidazole, HCl and CuCl as raw materials. Structure of [BIm]Cl/CuCl was characterized by FT-IR and FT-ICR MS. The interactions between [BIm]Cl/CuCl and thiol were analyzed by DSC, FT-IR and UV-vis spectra. The mechanism for the adsorption removal of thiol by [BIm]Cl/CuCl was discussed. It was found that the sulfur content in methyl tert-butyl ether (MTBE) could be reduced to lower than 5 μg/g via adsorptive distillation desulfurization process with [BIm]Cl/CuCl as adsorbent, and that significant deterioration in the desulfurization efficiency of adsorbent was not observed in a few recycling tests.
- ionic liquid,
- [BIm]Cl/CuCl,
- thiol,
- adsorption,
- MTBE
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