首页|Structural characteristics of zeolite/TiO2 composite and photocatalysis of toluene degradation

Structural characteristics of zeolite/TiO2 composite and photocatalysis of toluene degradation

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Zeolite/TiO2 composite photocatalysts were prepared by adding a certain amount of mordenite in TiO2, and degradation experiments on toluene through photocatalytic reactions were implemented. In this paper, these photocatalysts were characterized by using SEM, IR, RAMAN, XRD and UV-Vis to shed light on the microstructure and photocatalytic performance of the composite photocatalysts. The results indicated that the structural hydroxy of zeolite can participate in bonding reaction with TiO2, the addition of zeolite can greatly reduce the diameter of nanometer TiO2 particles in the composite photocatalysts, and enhance the ultraviolet light absorptance of the composite photocatalysts. When the percentage content of zeolite reached 20%, the photocatalytic performance of this catalyst would be highest, with the toluene conversion rate up to 94.58%.

zeolite/TiO2 compositephotocatalysistoluenestructure

MING Caibing、WU Pingxiao

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College of Automotive Engineering, South China University of Technology, Guangzhou 510640, China

College of Environmental Science and Engineering, South China University of Technology, Guangzhou 510640, China

国家自然科学基金Guangdong Provincial Science Foundation of ChinaGuangdong Provincial Science Foundation of ChinaGuangdong Provincial Science Foundation of China

4020200704020017020938000623

2005

地球化学学报(英文版)
中国科学院地球化学研究所

地球化学学报(英文版)

影响因子：0.33
ISSN：2096-0956
年,卷(期)：2005.24(4)
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