采用掺杂金属离子的TiO_2光催化剂降解甲醛的工艺研究

Process research on application of metallic ion-doped TiO_2 photocatalyst for formaldehyde degradation

采用溶胶凝胶法制备不同金属离子掺杂的TiO2光催化剂,以甲醛作为目标污染物,探讨了影响TiO2光催化效果的因素;研究了催化剂用量、甲醛初始浓度、pH值等影响因素对甲醛污染物降解效果的影响。结果表明,制备的Cu2+/TiO2粉体降解甲醛的效果最佳。

Factors affecting TiO2 photocatalysis is discussed in this paper using sol-gel process for preparation of different metallic ion-doped TiO2 photocatalyst and with formaldehyde as target pollutant.The influence of influencing factors such as catalyst dosage,formaldehyde ' s initial concentration and pH on the formaldehyde pollutant degradation result is researched.The result shows,the prepared Cu2+ /TiO2 powder has the best effect for degrading formaldehyde.