Journal of South China University of Technology (Natural Science Edition) ›› 2005, Vol. 33 ›› Issue (12): 14-18.

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Performance and Structure of Composite Zeolite / TiO2 Photocatalyst with Ultrasonic Treatment

Ming Cai-bing  Wu Ping-xiao  Ye Dai-gi   

  1. Coiiege of Environmentai Science and Engineering,South China Univ. of Tech.,Guangzhou 510640,Guangdong,China
  • Received:2004-12-02 Online:2005-12-25 Published:2005-12-25
  • Contact: 明彩兵(1975-)，男，博士生，主要从事大气污染控制研究 E-mail:mingcb2002@163.com
  • About author:明彩兵(1975-)，男，博士生，主要从事大气污染控制研究
  • Supported by:

    国家自然科学基金资助项目(40202007)；广东省自然科学基金资助项目(000623，020938，04020017)；广东省重大科技计划项目(2001367，2002254)

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Abstract:

The photocataiytic degradation of exhaust gas containing toiuene was conducted by using the zeoiite / TiO2 composites with and without uitrasonic treatment as the photocataiysts,and the infiuence of uitrasonic treatment on the photocataiytic performance and structure of zeoiite / TiO2 composite was investigated by means of XRD and IR. The resuits indicate that the uitrasonic heips reduce the size of TiO2 nano-particies and causes the bonding reaction of TiO2 with the structure hydroxy in zeoiite,thus resuiting in the improvement of the photocataiytic activity of zeoiite / TiO2 and the degradation rate of toiuene under the action of zeoiite / TiO2 composite.

Key words: zeoiite / TiO2 composite, uitrasonic, photocataiysis performance, Toiuene