Interactions of hypochlorite ion and humic acid:: photolytic and photocatalytic pathways

被引：16

作者：

Gonenç, D ^{[1
]}

Bekbolet, M ^{[1
]}

机构：

[1] Bogazici Univ, Inst Environm Sci, TR-80815 Istanbul, Turkey

来源：

WATER SCIENCE AND TECHNOLOGY | 2001年 / 44卷 / 05期

关键词：

aqueous chlorine; humic acid; photocatalysis; photolysis;

D O I：

10.2166/wst.2001.0287

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

Photolytic and photocatalytic interactions of hypochlorite ion and humic acid are investigated CL under various conditions. Humic acid oxidation by aqueous chlorine under dark conditions are expressed in terms of first order reaction kinetics. Upon irradiation (300 nm < lambda < 400 nm), photolysis of aqueous chlorine affect the removal efficiency of humic acid via oxidation. TiO2 sensitised photocatalytic oxidation conditions reveal an increase in the TOC removal rate of humic acid in the presence of aqueous chlorine. Under the specified conditions, increasing the photocatalyst loading up to 1.0 mg/mL markedly increase the TOC removal rate.

引用

页码：205 / 210

页数：6

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