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In relation to this article, we declare that there is no conflict of interest.
Publication history
Received March 21, 2011
Accepted May 14, 2011
articles This is an Open-Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/bync/3.0) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.
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Deep removal of sulfur from real diesel by catalytic oxidation with halogen-free ionic liquid

1College of Chemistry and Materials Science, Liaoning Shihua University, Fushun 113001, Liaoning, P. R. China 2Green Chemistry Division, Korea Research Institute of Chemical Technology, Daejeon 305-343, Korea
jzgui@hotmail.com
Korean Journal of Chemical Engineering, January 2012, 29(1), 49-53(5), 10.1007/s11814-011-0135-0
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Abstract

A halogen-free task-specific ionic liquid (TSIL) of 1-(2-carboxylic acid) ethyl-3-methylimidazolium bisulfate ([(CH2)2COOHmim] [HSO4]) is applied for deep oxidative desulfurization of real diesel as a catalyst and reaction media. The sulfur level of real diesel can be reduced from 200 to 20.5 μg/g at room temperature with small amount of ionic liquid using H2O2 as an oxidant. The used ionic liquid can be easily recycled and no obvious decrease in catalytic activity can be found after recycling five times.

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