LBJG-019 Enhanced Photocatalytic Degradation Performance of Organic Contaminants by Heterojunction Photocatalyst BiVO4/TiO2/RGO and its Compatibility on Four Different Tetracycline Antibiotics
作者：Wei Wang;Han Qi,Zhijia Zhu,Shan Zhong;Lishan Zhang;Baojiang Liu*
關(guān)鍵字：photocatalyst,TiO2
論文來源：期刊
具體來源：Advanced Powder Technology
發(fā)表時間：2019年
Photocatalytic performance of four tetracycline antibiotics using
BiVO4/TiO2/RGO composites was investigated. To make full use of catalysis,
optimum preparation conditions involved RGO content, solution pH and
hydrothermal temperature on the structure forming of BiVO4/TiO2/RGO were
investigated. Subsequently, the obtained visible light-driven photocatalyst was used to
degrade four kinds of tetracycline antibiotics involved tetracycline(TC) 、
chlortetracycline(CTC) 、oxytetracycline (OTC) and doxycycline (DXC) for
wastewater treatment. Results showed that BiVO4/TiO2/RGO photocatalyst exhibited
excellent photocatalytic activity and high compatibility due to the enhanced
separation efficiency of photo-generated carriers with high reduction and oxidation
capability. The degradation process of four kinds of tetracycline antibiotics was traced
and detected through identifying intermediates produced in the reaction system. And a
possible catalytic mechanism for BiVO4/TiO2/RGO photocatalyst was put forward
based on band gap structure of BiVO4 and TiO2.