Oxidative desulfurization of synthetic diesel oil by oxidation/adsorption continuous flow process

Catalytic oxidative desulfurization (ODS) of a synthetic diesel oil was studied in the presence of metal containing (Ti. V. Nb. Ta) MCM-41 catalysts. The effects of reaction temperature, reaction time, oxidant to sulfur molar ratio and sulfur concentration on the sulfur removal were investigated. The obtained results indicated that metal containing MCM-41 type mesoporous molecular sieves are able to catalyze the continuous selective oxidation of the most refractory sulfur compounds such as 4.6-dimethyldibenzothiophene.