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Issue 7, 2012
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Oxidative desulfurization of light gas oil using zinc catalysts prepared via different techniques

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Abstract

Zn-incorporated hydroxyapatite catalysts were prepared by two different techniques: wet impregnation and ion exchange with different zinc loadings. The prepared catalysts were characterized by different techniques. The catalytic activity of zinc catalysts was investigated towards oxidative desulfurization of light gas oil with a total sulfur content of 1281.8 ppm. The reaction was performed in a batch system and in the presence of hydrogen peroxide as oxidant. The influence of various operating parameters including reaction temperature, oxidation time and oxidant to sulfur molar ratio on the sulfur removal of light gas oil was investigated. The results revealed that an increase in the reaction temperature enhanced the sulfur removal. The maximum observed sulfur removal reached 89.7% using zinc catalysts prepared via the ion exchange technique. The formed active phase (parascholozite) and BET surface area could explain this activity.

Graphical abstract: Oxidative desulfurization of light gas oil using zinc catalysts prepared via different techniques

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Publication details

The article was received on 04 Feb 2012, accepted on 06 Apr 2012 and first published on 10 Apr 2012


Article type: Paper
DOI: 10.1039/C2CY20064C
Citation: Catal. Sci. Technol., 2012,2, 1437-1446
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    Oxidative desulfurization of light gas oil using zinc catalysts prepared via different techniques

    M. Riad and S. Mikhail, Catal. Sci. Technol., 2012, 2, 1437
    DOI: 10.1039/C2CY20064C

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