Citation: SUN Bo, YU Xue, WANG Liang, FENG Li-juan, LI Chun-hu. Enhanced visible light photocatalytic oxidative desulfurization by BiOBr-graphene composite[J]. Journal of Fuel Chemistry and Technology, ;2016, 44(9): 1074-1081. shu

Enhanced visible light photocatalytic oxidative desulfurization by BiOBr-graphene composite

Key Laboratory of Marine Chemistry Theory and Technology, Ministry of Education, College of Chemistry and Chemical Engineering, Ocean University of China, Qingdao 266100, China

Corresponding author: WANG Liang, wangliang_good@163.com
Received Date: 30 March 2016
Revised Date: 30 April 2016

Figures(9)

A series of BiOBr-graphene photocatalysts was synthesized using hydrothermal method, and were characterized by X-ray diffraction (XRD), scanning electron microscopy (SEM), transmission electron microscopy (TEM), Raman spectroscopy, ultraviolet-visible diffuse reflection spectroscopy (DRS) and photoluminescence (PL) emission spectroscopy. The photocatalysts were evaluated for photocatalytic oxidative desulfurization of model oil. The optimal temperature, graphene loading and the amount of hydrogen peroxide (H₂O₂) were investigated. The oxidation reactivity of the different sulfur compounds was found to be in the order of DBT>4, 6-DMDBT>BT. Moreover, the mechanism of photocatalytic oxidation of DBT by BiOBr-graphene was proposed based on the present experimental results.
- BiOBr-graphene,
- photocatalytic oxidation,
- DBT,
- desulfurization
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