共掺杂TiO_2光催化降解酸性大红染料的研究  

Photocatalytic Degradation of Acidic Scarlet Dye by Co-doped TiO_2

作　　者：张鹏会[1] 王九思[1] 韩迪[1] 

机构地区：[1]兰州交通大学化学与生物工程学院,兰州730070

出　　处：《精细石油化工进展》2009年第6期20-23,共4页Advances in Fine Petrochemicals

摘　　要：采用溶胶-凝胶法制备了硼、氮和铈共掺杂TiO_2光催化剂。考察了共掺杂TiO_2的催化活性和降解条件对酸性大红染料降解效果的影响。实验表明:共掺杂TiO_2光催化剂对酸性大红染料有很好的降解效果,且重复使用性能好;当酸性大红染料初始质量浓度为50 mg/L,溶液pH值为5,催化剂用量为1 g/L,光照150 min,降解率可达到98%。The titania photocatalyst co-doped with boron, nitrogen and cerium was prepared by the sol-gel method. The photocatalytic activity of the co-doped TiO2 and the influences of degradation conditions on the degradation effects of acidic scarlet dye were studied. The results indicated that the co-doped TiO2 had good photocatalytic activity for acidic scarlet dye and the degradation rate of acidic scarlet dye reached up 98% when the degradation conditions were as follows： initial dye concentration 50 mg/L, pH 5, amount of the catalyst 1 g/L, and irradiation time 150min.

关 键 词：二氧化钛 光催化 酸性大红染料 降解 掺杂 

分 类 号：X791[环境科学与工程—环境工程]