Oxidative desulfurization of model diesel oil over Ti-containing molecular sieves using hydrogen peroxide |
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| Authors: | Suhua Cui Feng Ma and Yaquan Wang |
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| Institution: | (1) Key Laboratory for Green Chemical Technology, School of Chemical Engineering and Technology, Tianjin University, Tianjin, 300072, P. R. of China |
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| Abstract: | Three Ti-containing molecular sieves were studied in the oxidative desulfurization (ODS) of model diesel oil with hydrogen
peroxide. Under optimal conditions, dibenzothiophene (DBT) conversion up to 80.6% and 42.6% could be obtained with Ti-HMS
and Ti-MSU as catalysts, respectively. However, there is no activity in the sulfoxidation of DBT over TS-1. Effects of the
TiO2/SiO2 ratio in Ti-HMS and reaction conditions, such as the reaction temperature, reaction time, n(H2O2)/n(S) on the sulfur removal were investigated. |
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| Keywords: | Ti-HMS dibenzothiophene hydrogen peroxide oxidative desulfurization |
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