Citation: Trin Jedsukontorn, Vissanu Meeyoo, Nagahiro Saito, Mali Hunsom. Effect of electron acceptors H₂O₂ and O₂ on the generated reactive oxygen species ¹O₂ and OH^· in TiO₂-catalyzed photocatalytic oxidation of glycerol[J]. Chinese Journal of Catalysis, ;2016, 37(11): 1975-1981. doi: 10.1016/S1872-2067(16)62519-6 shu

Effect of electron acceptors H₂O₂ and O₂ on the generated reactive oxygen species ¹O₂ and OH^· in TiO₂-catalyzed photocatalytic oxidation of glycerol

a Fuels Research Center, Department of Chemical Technology, Faculty of Science, Chulalongkorn University, Bangkok 10330, Thailand;
b Centre for Advanced Materials and Environmental Research, Mahanakorn University of Technology, Bangkok 10530, Thailand;
c Graduate School of Engineering & Green Mobility Collaborative Research Center, Nagoya University, Nagoya, Japan;
d Center of Excellence on Petrochemical and Materials Technology (PETRO-MAT), Chulalongkorn University, Bangkok 10330, Thailand

Received Date: 1 June 2016
Revised Date: 18 July 2016

The effect of the electron acceptors H₂O₂ and O₂ on the type of generated reactive oxygen species (ROS), and glycerol conversion and product distribution in the TiO₂-catalyzed photocatalytic oxida-tion of glycerol was studied at ambient conditions. In the absence of an electron acceptor, only HO^· radicals were generated by irradiated UV light and TiO₂. However, in the presence of the two elec-tron acceptors, both HO^· radical and ¹O₂ were produced by irradiated UV light and TiO₂ in different concentrations that depended on the concentration of the electron acceptor. The use of H₂O₂ as an electron acceptor enhanced glycerol conversion more than O₂. The type of generated value-added compounds depended on the concentration of the generated ROS.
- Glycerol oxidation,
- Titanium dioxide,
- Photocatalyst,
- Electron acceptor
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通讯作者: 陈斌, bchen63@163.com

Effect of electron acceptors H₂O₂ and O₂ on the generated reactive oxygen species ¹O₂ and OH^· in TiO₂-catalyzed photocatalytic oxidation of glycerol