3种染料化合物在UV-TiO_2/H_2O_2和UV-TiO_2体系中的光催化降解研究  

Study on photocatalytic degradation of three dyes in systems of UV-TiO_2/H_2O_2 and UV-TiO_2

作　　者：涂代惠[1] 李萍[1] 史长林[1] 

机构地区：[1]河北工程学院化学系,邯郸056038

出　　处：《环境污染治理技术与设备》2004年第7期30-34,共5页Techniques and Equipment for Environmental Pollution Control

摘　　要：采用自制的TiO2 膜和平板式固定床型光催化氧化反应装置 ,对甲基橙、茜素红和罗丹明B 3种含有不同生色基团的染料化合物进行了TiO2 光催化氧化降解研究 ,通过对照测定降解过程中吸光度、电导率、pH的变化 ,分析了在加入和不加入H2 O2 2种情况下降解过程的异同 ,比较了 3种染料化合物脱色的难易程度 。By using TiO 2 fixed film and shallow basin photocatalytic reactor, methyl orange, alizarin red and rhodamine B with different chromopharic groups were treated. Absorbance,conductivity and pH were employed to study the difference of photodegradation process of three dyes in systems of UV TiO 2 and UV TiO 2 / H 2O 2. The decolourtion degrees of the dyes were compared and the changes of inorganic ion and some degradation products in their systems were showned.

关 键 词：染料 UV-TiO2 H2O2 光催化降解工艺 固定床 光催化氧化反应 电导率 

分 类 号：X788[环境科学与工程—环境工程]