Research progress on factors affecting heterogeneous photocatalytic degradation of organic pollutants over titanium dioxide
WAN Yan1, WEI Ren-xing1, LU Ting2, WEI Shun-an1, JI Jin-gou1, XIE Fang-kui3
1. College of Chemistry and Chemical Engineering, Chongqing University, Chongqing 401331, China; 2. Chongqing Ba'nan District Ecological Environmental Monitoring Centre, Chongqing 401320, China; 3. Chongqing Xingyu Paint Co., Ltd., Chongqing 400009, China
Abstract: This paper introduces the latest research progress on the factors affecting the heterogeneous photocatalytic degradation of organic pollutants over TiO2 and the effects of pH,additives and other factors on the heterogeneous photocatalytic degradation over TiO2.More ·OH can be generated in a solution with a higher pH,therefore the catalyst will exhibit stronger photocatalytic degradation performance even if the electrostatic attraction between TiO2 and pollutants is weaker.Particularly,the TiO2 heterogeneous photocatalytic technology is not suitable for treating with high concentration organic wastewater,but has potential development in treatment of emerging contaminants with low concentration and high toxicity.
万燕, 魏任星, 卢挺, 魏顺安, 季金苟, 谢方奎. 二氧化钛多相光催化降解有机污染物影响因素研究进展[J]. 现代化工, 2018, 38(5): 53-56,58.
WAN Yan, WEI Ren-xing, LU Ting, WEI Shun-an, JI Jin-gou, XIE Fang-kui. Research progress on factors affecting heterogeneous photocatalytic degradation of organic pollutants over titanium dioxide. Modern Chemical Industry, 2018, 38(5): 53-56,58.
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