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Petroleum Science and Technology Volume 35, 2017 - Issue 1
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Original Articles

Removal of nitrogen compounds from fuel oils using imidazolium-based ionic liquids

Z. Q. ZhouCollege of Chemistry, Chemical Engineering and Environmental Engineering, Liaoning Shihua University, Fushun, China
,
W. S. LiCollege of Chemistry, Chemical Engineering and Environmental Engineering, Liaoning Shihua University, Fushun, China
&
J. LiuCollege of Chemistry, Chemical Engineering and Environmental Engineering, Liaoning Shihua University, Fushun, ChinaCorrespondence[email protected]
Pages 45-50 | Published online: 29 Dec 2016
 
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ABSTRACT

Several imidazolium-based ionic liquids (ILs) with different anionic characteristics were investigated to determine their denitrogenation performances from the model oil containing indole or quinoline. Experiment results showed that [C4mim]HSO4 exhibited an excellent denitrogenation performance, obtaining about 99% N-removal efficiency from the model oils. In addition, removal efficiency of quinoline and indole after five cycles of ionic liquid can reach 98.4% and 96.3%, respectively. The effects of the extraction temperature, time, and IL/oil mass ratio on the denitrogenation process are discussed in detail.

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