中文摘要：

为了寻求一种简单有效的治理室内空气中气体污染物的方法，将常温吸附和光催化降解两种作用相结合，选用活性炭纤维（ACF）和二氧化钛（TiO2）作为吸附剂和光催化剂，测定在25℃时采用ACF＋TiO2混合材料（ACF／TiO2的质量比为1：0．5）光催化剂的等温去除量随时间的变化规律。结果表明室内气体污染物的初始质量浓度为1mg／m^3时，在紫外光照射下，ACF＋TiO2混合材料光催化剂具有较高的活性，甲醛的净化处理效率能达到90％以上。只要适当延长反应时间，有NOx或SO2等存在时，甲醛的净化处理效果也是比较理想的。该方法具有装置简单，能耗少，处理效率高，可以重复利用等优点。

英文摘要：

In order to find a simple and effective method to remove contaminant from indoor air by the way of combining two functions of adsorption and photo - catalytic degradation. Active Carbon Fiber （ACF） was adopted as an adsorbent and titanium dioxide （TiO2 ） as a photo -catalyst. Using 1 mg/m^3 initial concentration of contaminant,the variation law of the dynamic, isothermal removals of TiO2 ＋ ACF compound （ the mass ratio of ACF to TiO2 is 1 to 0.5） with the time changing was investigated respectively and compared. The results showed that in UV radiation, ACF ＋ TiO2 have their saturated removals, and in UV radiation the removals of formaldehyde are drastically increased. A removal rate more than 80% could be obtained when the photo - catalytic reaction was carried out at room temperature and atmospheric pressure and at a wavelength of 254 nm ultraviolet lamp.