The rate of degradation of S~(2-) in waster water was 88.9% and was increased 22% comparing with pure nanometer TiO_2 film.

• 在实验的浓度范围内；反应服从零级反应动力学规律；对废水中S2-的处理降解率达到88.；90%25；和纯纳米TiO2膜相比降解率提高了22%25。