DOI: 10.5176/2301-3761_CCECP17.23

Authors: Zih-Yao Shen, Huei-Ping Shih, Maw-Tien Lee, Tzong-Bin Lin

Abstract:

In this paper, we used an oxidative desulfurization method to oxide model compounds (500 ppm benzothiophene and 500 ppm styrene) to simulate the desulfurization of fuels. The conversion and the selectivity of benzothiophene and styrene were observed. Hydrogen peroxide (35%) was used as oxidant with Pd/Al2O3 or Pd/AC as catalysts. Reactions occurred at 69℃, 75℃ and 85 ℃ respectively. Experimental results showed that the reaction with Pd/AC had a greater conversion for both benzothiophene and styrene than that of the reaction with Pd/Al2O3 as a catalyst. However, the Pd/AC catalyst had greater desulfurization efficiency for removing benzothiophene than that of the reaction with Pd/ Al2O3 catalyst.

Keywords: oxidative desulfurization; benzothiophene; styrene

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