采用溶胶-凝胶法制备活性炭(AC)负载型TiO2光催化剂,用XRD分析了其物相结构,以紫外灯为实验光源对活性炭负载TiO2光催化剂进行了光降解性能的研究。以甲基橙溶液为目标降解物,考察了TiO2负载量、催化剂用量、热处理温度等不同条件下催化剂的光催化活性。结果表明,当TiO2负载量为33.3%,用量为2~3g/L,紫外光连续照射5h时,甲基橙溶液的降解率可达96.1%。 The activated carbon supported TiO2 photocatalyst was prepared by sol-gel method. The phase structure was analyzed by XRD. The photodegradation of activated carbon supported TiO2 photocatalyst was studied by using UV lamp as experimental light source. Methyl orange solution was taken as the target degradation product, and the photocatalytic activity of the catalyst under different conditions such as TiO2 loading, catalyst dosage and heat treatment temperature was investigated. The results showed that the degradation rate of methyl orange solution reached 96.1% when the TiO2 loading was 33.3%, the dosage was 2 ~ 3g / L and the UV irradiation was 5h.