光电催化技术在污水处理中的应用研究

水电工程在建设过程中有大量的污水需要处理，而有毒有机物的降解方法很多，如传统的气浮法、吸附法等，近年来发展了一些氧化技术，如化学氧化法、光化学氧化法、催化氧化法等。为了进一步提高有机物降解效率，合理利用资源，将光化学氧化(光催化)和电化学氧化方法结合起来，达到协同效应的光电结合技术是目前氧化法研究的新的热点。光电催化法能将水中有害物质完全矿化，或者通过控制条件将其分解为有用成分，这是其他方法所无法比拟的。在当今水污染日趋严重的情况下具有很好的推广应用价值。

Application of and study on photoelectrocatalysis in the treatment of wastewater

A plenty of wastewater needs treatment during the construction of hydropower engineering. Many methods for toxic organic compound degradation have been developed, such as airfloatation, absorption technique and so on. Recently, some oxidation technologies are introduced. For example, chemical oxidation, photo chemistry, catalysis oxidation. To increase the degradation efficiency, much research has focused on the oxidation between the photo chemical and electro-catalysis. For oxidation photo electrocatalysis can lead to the complete mineralization of the hazardous substrates,or can decompose them to other useful compounds by controlling the reaction condations,,which is better than other processes. So it is valuable to investigate and apply this technique for the treatment of wastewater nowadays.