光催化剂纳米TiO_2的固定化技术研究进展

Immobilization technology of nanosized TiO 2

纳米TiO2在水、空气污染物治理及新型材料等领域有巨大的前景,其固定化技术为其应用的关键因素.列举了多相光催化反应中催化剂TiO2的固定化所用的各种载体;阐述了纳米TiO2粒子及膜固定方式及其优缺点;对几种表面修饰的途径作以综述,介绍了目前有关表面修饰研究现状及研究成果.最后指出了这种方法所面临的问题.

Nanosized titanium dioxide photocatalyst has a promising application perspective in waste water treat-ment and air purification.Technology of photocatalyst immobilization is one of the keys.The substract of pho-tocatalyst nanosized titanium dioxide immobilization,is reviewed together with immobilization methods,produc-tion of particle or film of nanosized titanium dioxide and several doping methods.