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Enhanced oxidative desulfurization of model fuels using a film-shear reactor

Authors
Journal
Fuel
0016-2361
Publisher
Elsevier
Publication Date
Volume
90
Issue
2
Identifiers
DOI: 10.1016/j.fuel.2010.10.023
Keywords
  • Desulfurization
  • Film-Shear Reactor
  • Sulfur Heterocycles
  • Peroxides
  • Oxidation

Abstract

Abstract A film-shear reactor was used to enhance the oxidative desulfurization of thiophenes in fuels. With selected conditions, one pass of a model fuel through the film-shear reactor provided up to 55% removal of benzothiophene in only seconds at temperatures as low as 10 °C. Recirculation experiments showed that, if the flow rate and all other experimental parameters were held constant, the extent of thiophene removal increased as the residence time increased. Experiments using various concentrations of hydrogen peroxide and different fuel:oxidant ratios showed that, above a minimum amount, an increase in oxidant concentration did not lead to increased thiophene removal.

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