染料敏化光助催化降解五氯酚钠的实验研究  

The Photosensitizer-assisted Photocatalytic Degradation of Organic Chloride Water Contaminates

作　　者：夏璐[1] 唐庚飞[2] 蒋柠穗[2] 覃科[2] 

机构地区：[1]广西大学化学化工学院,广西南宁530004 [2]广西民族学院化学与生态工程学院,广西南宁530006

出　　处：《广西民族学院学报（自然科学版）》2005年第1期91-94,共4页Journal of Guangxi University For Nationalities(Natural Science Edition)

基　　金：国家自然科学基金项目资助(20367001);广西自然科学基金资助项目(0447015)

摘　　要：研究了TiO2 光催化与光敏化协同处理有机氯化物废水的实验.普通的光催化降解和光敏化对五氯酚钠的降解率只能分别达到64.5%和78.8%,而二者的协同可使得同样条件下的降解率达到94.6%.实验结果还表明,不同的光敏化剂的影响效果各异.紫外谱图表明五氯酚钠的苯环特征峰经过降解可以完全消失.The photosensitizer-assisted photocatalytic system was constituted granular TiO_2 as photocatalyst. The photocatalystic efficiency of Na-PCP degradation was observed to be 64.5 % and 78.8 % respectively for common photocatalysis and photosensitization,while that to be 94.6 % for the combination of both of them, i.e., the photosensitizer-assisted photocatalytic system. According to the experimental results, the effect of every photosensitizer was different. UV spectra of Na-PCP indicated that benzene ring structure was destracted completely.

关 键 词：光催化 光敏化 有机氯化物 废水 

分 类 号：O644.14[理学—物理化学]