摘要：

简述了半导体光催化氧化法的原理。概述了光催化氧化从分散相到固定相的发展及提高催化剂活性的方法。提出了光催化氧化法与电化学的结合--电化学辅助光催化氧化技术，它是一项新型的污水处理技术。

关键词: 光催化氧化, 二氧化钛, 半导体

Abstract:

The principle of photocatalytic oxidation applied to or-ganic pollutants by using semiconductor materials is de-scribed.T he developing process of photocatalytic oxidation from suspending catalyst to immobile catalyst and the meth-ods of increasing catalyst activity are reviewed.It is pointed out that the combination of photocatalytic oxidation and electrochemistry—the technique of electrochemically assist-ed photocatalysis is a new wastewater treatment technique.

Key words: catalysis, photocatalytic oxidation, TiO₂, semiconductor