纳米TiO_2的光催化活性及其在废水处理中的应用进展  

Photocatalytic Activity of Nanometer TiO_2 and Its Application to the Wastewater Ttreatment

作　　者：张英仙[1] 崔建升[1] 霍跃晖[1] 

机构地区：[1]河北科技大学环境科学与工程学院,河北石家庄050018

出　　处：《河北化工》2007年第4期9-13,共5页Hebei Chemical Industry

摘　　要：综述了纳米TiO2光催化降解废水中有机污染物的机理,对影响二氧化钛光催化活性的各种因素,催化剂的形态,其他物质的掺杂、负载,溶液的pH值、光源与光照强度等进行了讨论,阐述了TiO2光催化氧化在水处理中的应用进展。展望了纳米TiO2在降解废水处理中的应用前景,提出了研究发展方向。The thesis summarized the mechanism of nanometer TiO2 photocatalytic oxidation, and discussed the influential factors on the photocatalytic activity of nanometer TiO2, such as particle size, crystallite, doping, load of nanometer TiO2, and photocatalyst content, pH value, adding oxidizer, inorganic salts, light intensity, etc. The applications of nanometer TiO2 in wastewater treatment was described, and the development prospects of enhanced photocatalytic oxidation process was forecasted, also proposed the next research direction.

关 键 词：纳米TIO2 光催化 废水处理 

分 类 号：TB383[一般工业技术—材料科学与工程]