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Tungsten supported catalysts were evaluated in the oxidative desulfurization (OD) of diesel fuel (320ppmw S) using hydrogen peroxide as oxidizing agent. These catalysts were prepared by equilibrium adsorption of tungsten from solution of tungsten (VI) oxide, tungstic acid, ammonium tungstate, ammonium metatungstate and phosphotungstic acid in supports such as alumina, silica, titania, titania–alumina...
This work presents the results obtained in the development of Mo/γ-Al 2 O 3 catalysts and their evaluation in the oxidative desulfurization (OD) process of diesel fuel using hydrogen peroxide as the oxidizing reagent. The catalysts were prepared by equilibrium adsorption using several molybdenum precursors and aluminas with different acidity values. They were characterized by Raman...
The evaluation of the catalytic oxidative desulfurization (OD) activity of alumina-supported polymolybdates (Mo/Al 2 O 3 ) was carried out using organosulfur model compounds and diesel fuel. Hydrogen peroxide was the oxidizing reagent. Ultra-deep desulfurization, 97.8% removal of sulfur in diesel fuel, was achieved by reaction under mild conditions followed by solvent extraction. The...
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