Photocatalytic degradation kinetics of Rhodamine B catalyzed by nanosized TiO2 film

被引：7

作者：

Wei, G ^{[1
]}

Zhang, YJ ^{[1
]}

Xiong, RC ^{[1
]}

机构：

[1] Beijing Univ Chem Technol, Coll Mat Sci & Engn, Beijing 100029, Peoples R China

来源：

CHINESE SCIENCE BULLETIN | 2003年 / 48卷 / 01期

关键词：

photocatalysis; fixed bed photocatalytic reactor; kinetics; Rhodamine B;

D O I：

10.1360/03tb9010

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

A fixed bed photocatalytic reactor as designed. and dynamic fast scan of UV-Vis adsorption spectrum was adopted to study the photocatalytic degradation dynamic behavior of Rhodamine B, a kind of dye generally recognized as to be degraded difficultly, on the surface of nanosized TiO2 thin film. The results indicate that the photocatahtic degradation process of Rhodamine B does not comply with the first-order reaction kinetic process. As a result, a kinetic model of Rhodamine B photocatalytic degradation reaction is brought forward, and the model is proved by the theoretical deduction and experiment.

引用

页码：49 / 52

页数：4

共 4 条

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