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摘 要 ：以活性炭纤维（ACF）为载体，用涂覆法制备出TiO2/ACF复合材料，研究了复合材料表面NO的光催化氧化特性。研究结果表明：负载于吸附材料表面的TiO2比玻璃表面的TiO2有更好的净化效果；ACF表面TiO2的负载量对NO净化性能的影响存在最佳值，实验条件下的最佳负载量为75mg/cm2； NO的转化率随NO初始浓度的增加而减小，随光强的增加而增大，随相对湿度的增加先增大后减小，当湿度为55%时NO的转化率达到最大值。 关键词： 活性炭纤维 光催化 转化率 Experimental Study Of NO Photocatalytic Oxidization On An Activated Carbon Fiber Loaded With TiO2 Jin Yongfei, Oyang Jincheng, Zhang Lianfeng, Liu Yanhua Dept.of Building Environment and Services Engineering, School of Human Settlements and Civil Engineering, Xi'an Jiaotong University, Xian, 710049 Abstract : An activated carbon fiber (ACF) is used as a carrier to prepare composite materials (TiO2 /ACF) by coating TiO2 on it. The photo-catalytic oxidation of NO on the surface of composite materials is investigated. The results show that the purification capacity of the composite materials increases first, and then decreases with the increase of TiO2 loaded. In this experiments, the best load is 3.35g.g-1(ACF). NO reaction rate on the composite materials decreases with the increase of the initial concentration of NO while it increases with the light intensity. It increases and then decreases with the increase of relative humidity. The optimal relative humidity is 55%. Keywords : Activated carbon fibe, Photocatalytic oxidation; Adsorption