Influence of pH and Inorganic Anions on the Visible Activity of WO3/TiO2 Nanocomposite Films
In this paper, the effects of pH and various inorganic anions (Cl, NO3 , H2PO4 and SO4 2) on the visible photocatalytic activity of WO3/TiO2 nanocomposite films for the degradation of 2,3-dichlorophenol (2,3-DCP) were studied. Experimental evidences have indicated that the lower pH values, the higher visible activity of WO3/TiO2 catalyst. The presence of Cl, NO3 and H2PO4 has a minor effect on the degradation of 2,3-DCP, while SO4 2 could perform a strong inhibition effect. These results reflected that the degradation of 2,3-DCP with WO3/TiO2 photocatalyst under visible light irradiation mainly took place on the interface of organic compounds/catalyst surface, not in the bulk solution.
LIANG Haichao LI Xiangzhong
Department of Civil and Structural Engineering, The Hong Kong Polytechnic University, Hong Kong, China
国际会议
2011 International Symposium on Environmental Science and Technology(2011 环境科学与技术国际会议 2011 ISEST)
广东东莞
英文
210-215
2011-06-01（万方平台首次上网日期，不代表论文的发表时间）