Visible light catalytic treatment of refractory organic pollutants in water has important significance to reduce energy consumption. From element doping,semiconductor and photosensitive surface to modify the TiO2 photocatalyst and develop the new type of visible light catalytic mate-rials,which contributes to the researching progress of water treatment in the visible light catalyst. This paper also analyzes the importance of the study of catalyst used in visible light and prospects the development direction in the future.%鉴于可见光光催化处理水中难降解的有机污染物对于降低能源消耗有重要意义，利用元素掺杂、半导体负载、表面光敏化等方式对 TiO2光催化剂改性，从新型可见光催化材料的开发等方面阐述了水处理中可见光催化剂的研究进展，分析了可见光催化剂研究的重要性，展望了未来在该方面发展的方向。
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