Fuel 180 (2016) 127–136 Contents lists available at ScienceDirect Fuel journal homepage: www.elsevier.com/locate/fuel Full Length Article Oxidation by H O of bezothiophene and dibenzothiophene over 2 2 different polyoxometalate catalysts in the frame of ultrasound and mixing assisted oxidative desulfurization a a a b,⇑ Angelo Earvin Sy Choi , Susan Roces , Nathaniel Dugos , Meng-Wei Wan Chemical Engineering Department, De La Salle University, 2401 Taft Ave, Manila 0922, Philippines Department of Environmental Resource Management, Chia-Nan University of Pharmacy and Science, Tainan 71710, Taiwan highl i ghts graphical a bstrac t Oxidation process follows the pseudo-ﬁrst order kinetics and Arrhenius equation. NaPW/H O system best oxidizes 2 2 benzothiophene and dibenzothiophene. Utilizing both ultrasonicator and high shear mixer showed comparable performance. Results showed better oxidation rate and activation energy than conventional ODS. article i nfo abstract Article history: Desulfurization involves the removal of refractory sulfur compounds in fossil-fuel derived oils. In this Received 7 September 2015 study, an ultrasound and mixing assisted oxidative desulfurization of synthetic oil containing sulfur com- Received in revised form 7 March 2016 pounds of benzothiophene and dibenzothiophene were carried out using different polyoxometalate cat- Accepted 5 April 2016 alysts, H O oxidant and a
Fuel – Elsevier
Published: Sep 15, 2016
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