Abstract

ABSTRACTOxidative desulfurization of 4,6-dimethyldibenzothiophene was performed in a two impinging streams spray reactor (TIS-SR) using H2O2 and phosphotungstic acid as oxidant and catalyst, respectively. The reaction was optimized using response surface methodology. The reaction constant of a pseudo first order rate based on the dynamic data obtained for the optimal operation conditions was calculated to be 9.45 × 10−4 s−1. It is about one order of magnitude larger than the one calculated for a conventional ideal stirred batch reactor at the same reaction conditions (1.03 × 10−4 s−1). Accordingly, ODS reaction rate may be substantially enhanced using TIS-SR.

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