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| Kinetics of Chlorine Decay in Water Distribution Systems | |
| 作者姓名： | 周建华 薛罡 赵洪宾 汪永辉 郭美芳 |
| 作者单位： | Guangzhou Municipal Engineering Design & Research Institute，Guangzhou，510060，College of Environmental Science and Engineering，Donghua University，Shanghai，200051，School of Municipal and Environmental Engineering，Harbin Institute of Technology，Harbin，150090，College of Environmental Science and Engineering，Donghua University，Shanghai，200051，College of Environmental Science and Engineering，Donghua University，Shanghai，200051 |
| 基金项目： | Sponsored by Fok Ying Tung Education Foundation (No. 94004) |
| 摘 要： | A combined first and second-order model, which includes bulk decay and wall decay, was developed to describe chlorine decay in water distribution systems. In the model the bulk decay has complex relationships with total organic carbon (TOC), the initial chlorine concentration and the temperature. Except for the initial stages they can be simplified into a linear increase with TOC, a linear decrease with initial chlorine concentration and an exponential relationship with the temperature. The model also explains why chlorine decays rapidly in the initial stages. The parameters of model are determined by deriving the best fitness with experimental data. And the accuracy of model has been verified by using the experimental data and the monitoring data in a distribution system. |
Kinetics of Chlorine Decay in Water Distribution Systems |
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| ZHOU Jian-hua,XUE Gang,ZHAO Hong-bin WANG Yong-hui,GUO Mei-fang Guangzhou Municipal Engineering Design & Research Institute,Guangzhou, College of Environmental Science and Engineering,Donghua University,Shanghai, School of Municipal and Environmental Engineering,Harbin Institute of Technology,Harbin.Kinetics of Chlorine Decay in Water Distribution Systems[J].Journal of Donghua University,2004,21(1). | |
| Authors: | ZHOU Jian-hua XUE Gang ZHAO Hong-bin WANG Yong-hui GUO Mei-fang Guangzhou Municipal Engineering Design & Research Institute Guangzhou College of Environmental Science and Engineering Donghua University Shanghai School of Municipal and Environmental Engineering Harbin Institute of Technology Harbin |
| Institution: | 1. Guangzhou Municipal Engineering Design & Research Institute, Guangzhou, 510060 2. College of Environmental Science and Engineering, Donghua University, Shanghai, 200051 3. School of Municipal and Environmental Engineering, Harbin Institute of Technology, Harbin, 150090 |
| Abstract: | A combined first and second-order model, which includes bulk decay and wall decay, was developed to describe chlorine decay in water distribution systems. In the model the bulk decay has complex relationships with total organic carbon (TOC), the initial chlorine concentration and the temperature. Except for the initial stages they can be simplified into a linear increase with TOC, a linear decrease with initial chlorine concentration and an exponential relationship with the temperature. The model also explains why chlorine decays rapidly in the initial stages. The parameters of model are determined by deriving the best fitness with experimental data. And the accuracy of model has been verified by using the experimental data and the monitoring data in a distribution system. |
| Keywords: | water distribution systems chlorine decay bulk decay wall decay |
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