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Bactericidal and detoxification effects of irradiated semiconductor catalyst, TiO2 [Review]

机译：辐照半导体催化剂TiO2的杀菌和解毒作用[综述]

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摘要

The successful photochemical splitting of water with a TiO2 electrode has established that TiO2 has to be considered as one of the most important semiconductor photocatalysts. This photocatalyst has been shown to be efficient to mineralize several organic compounds and thereby remove a variety of pollutants and wastes. For safe drinking water, the present environmental conditions demand new technologies for the disinfection and treatment of water. One of the promising applications of TiO2 photocatalysis is the photocatalytic removal of bacterial pollutants from drinking water. This semiconductor photocatalyst has been employed as a suspended powder or thin film on a suitable substrate or as a coated electrode, and the irradiated TiO2 has been found to be efficient to sterilize water containing E. coli. Cyanobacterial toxins such as microcystins present in drinking water are also destructed using TiO2 photocatalysis.
机译：用TiO2电极对水进行成功的光化学分解已确定，必须将TiO2视为最重要的半导体光催化剂之一。该光催化剂已被证明可有效地矿化多种有机化合物，从而去除各种污染物和废物。为了获得安全的饮用水，当前的环境条件要求对水进行消毒和处理的新技术。 TiO2光催化的有希望的应用之一是光催化去除饮用水中的细菌污染物。该半导体光催化剂已被用作在合适的基底上的悬浮粉末或薄膜或被涂覆的电极，并且已发现经辐照的TiO 2可有效地对含大肠杆菌的水进行灭菌。饮用水中存在的蓝藻毒素（例如微囊藻毒素）也可以使用TiO2光催化作用破坏。

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