Photocatalytic water treatment: fundamental knowledge required for its practical application

被引:36
|
作者
Hufschmidt, D [1 ]
Liu, L [1 ]
Selzer, V [1 ]
Bahnemann, D [1 ]
机构
[1] Univ Hannover, Inst Tech Chem, D-30167 Hannover, Germany
关键词
photocatalysis; pilot scale; water treatment;
D O I
10.2166/wst.2004.0243
中图分类号
X [环境科学、安全科学];
学科分类号
08 ; 0830 ;
摘要
This review attempts to present a state-of-the art overview of the underlying principles of photocatalysis that should not be neglected when designing pilot-scale facilities. In particular, the roles and properties of the primary charge carriers generated upon bandgap illumination within a photocatalyst particle, i.e. valence band hole and conduction band electron, are discussed. The chemical nature of the primary oxidant is critically assessed.
引用
收藏
页码:135 / 140
页数:6
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