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Issue 7, 2010
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Deep desulfurization of diesel fuel using ionic liquids: current status and future challenges

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Abstract

Deep desulfurization of diesel fuel has attracted the attention of a growing number of scientists and engineers due to the stringent regulations imposed on the presence of sulfur in fuel (10 ppm). To bring down the concentration of sulfur compounds to less than 10 ppm is very challenging and demands newer technologies. Novel processes are being proposed for this purpose. It is observed that ionic liquids as class of green solvents can play a major role in the deep desulfurization of diesel fuel. For this reason, this review focuses on the current status in application of ionic liquids for achieving ultra-low-sulfur diesel (ULSD). To get a comprehensive perspective about the topic, other techniques of desulfurization are also discussed in brief in the introduction. Here we propose that the appropriate removal method should be selected according to different systems. To achieve deep desulfurization using ionic liquids, a better understanding regarding the regeneration of ionic liquids is vitally important.

Graphical abstract: Deep desulfurization of diesel fuel using ionic liquids: current status and future challenges

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Article information


Submitted
02 Feb 2010
Accepted
24 May 2010
First published
18 Jun 2010

Green Chem., 2010,12, 1139-1149
Article type
Critical Review

Deep desulfurization of diesel fuel using ionic liquids: current status and future challenges

P. S. Kulkarni and C. A. M. Afonso, Green Chem., 2010, 12, 1139
DOI: 10.1039/C002113J

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