TiO_2光催化技术降解废水有机物的研究

Degradation of Organic Pollutants in Waste Water with Photocatalytic Oxidation of TiO2

从TiO2光催化反应机理分析了催化剂类型、污染物性质、反应条件等因素对光催化氧化法降解有机污染物的影响,从催化剂改性及光催化与其他技术联用等方面探讨提高光催化氧化效率的途径,并结合现有的研究成果和不足,展望TiO2光催化氧化法发展前景及其将来需解决的关键问题。

This study aimed to analyze the influencing factors of photocatalytic degradation for organic pollutants, such as properties of catalysts and pollutants as well as reaction conditions through photocatalytic oxidation mechanism of TiO2. The approaches to improve the photocat- alytic efficiency by catalyst modification, high efficiency photocatalytic reactor and the integration of photocatalytic and other technologies were also discussed. The key problems in its industrial application and the prospects were put forward finally with the researches and their deficiency.