Optimization of the indole photodegradation on supported TiO2:: influences of temperature, concentration, TiO2 amount and flow rate

被引：6

作者：

Merabet, Smail ^{[2
]}

Schneider, Michel ^{[1
]}

Robert, Didier ^{[1
]}

Benkhanouche, Smail ^{[3
]}

Bouhelassa, Mohammed ^{[4
]}

Weber, Jean Victor ^{[1
]}

机构：

[1] Univ Paul Verlaine Metz, Lab Chim & Methodol Environm EA4164, F-57503 St Avoid, France

[2] Univ Bejaia, Lab Hydraul Appl & Environm, Bejaia 06000, Algeria

[3] Univ Bejaia, Dept Tronc Commun SETI, Bejaia 06000, Algeria

[4] Univ Constantine, Dept Chim Ind, Constantine, Algeria

来源：

WATER SCIENCE AND TECHNOLOGY | 2008年 / 58卷 / 03期

关键词：

central composite experimental design; indole; photocatalysis; response surface methodology; supported TiO2; water treatment;

D O I：

10.2166/wst.2008.430

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

This work describes the photodegradation of aqueous indole solutions by using TiO2 supported on cellulose fibres. Four parameters were studied: the indole concentration; the TiO2 amount; the temperature and the flow rate. Central composite experimental design was used to determine the influences of the parameters on the indole degradation percentage. We demonstrate that in our experimental domain the quasi complete degradation of indole is in all cases reached and more interestingly that it is possible to find unique values of TiO2 amount and flow rate leading to optimised photodegradation of indole in the studied domains of temperature and indole concentration.

引用

页码：549 / 554

页数：6

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