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Issue 7, 2011
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Desulfurization and denitrogenation of gasoline and diesel fuels by means of ionic liquids

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Abstract

Ionic liquids can extract mono- and poly-aromatic sulfur and nitrogen compounds from gasoline and diesel and they perform better than conventional solvents. The extraction capacity of several ionic liquids for these heterocyclic compounds is determined and compared to the extraction capacity for aromatic hydrocarbons. Furthermore, the experimental results obtained are evaluated in view of the results reported in literature. It is shown that the ionic liquids investigated in this work are able to extract sulfur as well as nitrogen-containing aromatics in preference to aromatic hydrocarbons. Moreover, the ionic liquids [3-mebupy]N(CN)2, [4-mebupy]N(CN)2 and [bmim]C(CN)3 are superior to sulfolane, which has been used as a benchmark and also outperform the ionic liquids reported in literature so far. Finally, it has been shown that nitrogen-containing hetero-aromatics are significantly better extracted than sulfur-containing hetero-aromatics.

Graphical abstract: Desulfurization and denitrogenation of gasoline and diesel fuels by means of ionic liquids

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Publication details

The article was received on 22 Feb 2011, accepted on 26 Apr 2011 and first published on 10 Jun 2011


Article type: Paper
DOI: 10.1039/C1GC15196G
Green Chem., 2011,13, 1907-1913

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    Desulfurization and denitrogenation of gasoline and diesel fuels by means of ionic liquids

    A. R. Hansmeier, G. W. Meindersma and A. B. de Haan, Green Chem., 2011, 13, 1907
    DOI: 10.1039/C1GC15196G

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