Oxidative desulfurization of diesel with TBHP/isobutyl aldehyde/air oxidation system

Wei Guo, Chengyong Wang, Peng Lin and Xiaoping Lu

Applied Energy, 2011, vol. 88, issue 1, 175-179

Abstract: Oxidative desulfurization of hydrogenation diesel (40Â mL) was studied using air as oxidant, tert-butyl hydroperoxide (TBHP) as radical initiator at ambient pressure and moderate temperature in the presence of isobutyl aldehyde. TBHP could accelerate the production of carbonyl radical and its peroxidation. When the molar fraction of TBHP was 5Â mmol, the conversion of DBT could reach 96.1% in the present of 20Â mmol isobutyl aldehyde and air, which was more than that of 85.5% without initiator. The air was an effective oxidant and acetonitrile was an optimal solvent in this process. The sulfur content of the hydrogenation diesel could be reduced from 403 to 13Â ppm (96.8% removed) under the synergistic effect of air, TBHP and isobutyl aldehyde.

Keywords: Oxidative; desulfurization; Diesel; Air; TBHP; Isobutyl; aldehyde; Acetonitrile (search for similar items in EconPapers)
Date: 2011
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Citations: View citations in EconPapers (2)

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