居住分散地区地下水电絮凝除氟技术的供水方式选择

冯健恒; 陈明如; 郭旭; 于占成; 周斌龙; 周律

doi:10.13205/j.hjgc.202608014

居住分散地区地下水电絮凝除氟技术的供水方式选择

doi: 10.13205/j.hjgc.202608014

冯健恒¹,
陈明如^1,3,
郭旭²,
于占成²,
周斌龙¹,
周律^1, ,

1. 清华大学环境学院, 北京 100084;
2. 北京市房山区水务局农村健康饮水事务中心, 北京 102488;
3. 北京市市政工程设计研究总院有限公司, 北京 100082

基金项目:

国家重点研发计划项目“北京市房山区水资源循环利用新技术研究及应用”（2019YFC0408700）

详细信息

作者简介:
冯健恒（2000—），男，博士生，主要研究方向为水处理技术。fengjh22@mails.tsinghua.edu.cn

通讯作者:
周律（1963—），男，副教授，主要研究方向为可持续的城乡给排水技术。zhoulu@tsinghua.edu.cn

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出版历程
- 收稿日期: 2024-08-29

Selection of water supply schemes for groundwater defluorination by electroflocculation in dispersed residential areas

1. School of Environment, Tsinghua University, Beijing 100084, China;
2. Rural Healthy Drinking Water Affairs Center of Fangshan District, Fangshan District Water-affair Authority, Beijing 102488, China;
3. Beijing General Municipal Engineering Design & Research Institute Co., Ltd., Beijing 100082, China

摘要

摘要: 针对以氟浓度较高的地下水作为饮用水水源的居住分散地区，采用电絮凝除氟是较优的小型地下水除氟技术，但电絮凝除氟在不同的供水方式下会带来不同的环境与经济影响，需要通过全面地评估以选择使用该技术的最适用供水方式。研究设置了3种供水方式：集中不分质供水、集中分质供水和分散分质供水，并通过生命周期环境影响及生命周期费用对不同供水方式进行综合比较。结果表明，分散分质供水方式下的生命周期环境影响较低及其生命周期费用最低，在居住分散地区采用分散分质供水是更有优势的供水方式。
- 居住分散地区 /
- 饮用水 /
- 地下水除氟 /
- 电絮凝 /
- 供水方式 /
- 生命周期评价
Abstract: Fluoride pollution poses a serious threat to public health worldwide. For dispersed residential areas where high-fluoride groundwater is used as the drinking water source， electroflocculation-based defluorination is a preferable treatment option. However， this technology may have different environmental and economic impacts depending on the water supply scheme adopted， necessitating a comprehensive evaluation to identify the optimal scheme. In this study， three water supply schemes were established： centralized and undifferentiated water supply （S1）， centralized and differentiated water supply （S2）， and distributed and differentiated water supply （S3）. The life cycle environmental impacts and life cycle costs of the three schemes were compared to determine the best option. The results show that： 1） S1 has the largest negative environmental impact， with its environmental impact indicators ranging from 1.4 to 6.7 times those of S2 or S3. The environmental impact is mainly attributable to electrode consumption and electricity usage， particularly when treating large volumes of water. 2） S3 exhibits the lowest water supply cost， achieving a 62% cost reduction compared to S1. In conclusion， the distributed and differentiated water supply scheme （S3） offers both lower life cycle environmental impact and the lowest life cycle cost， making it the most advantageous option for dispersed residential areas.
- dispersed residential areas /
- drinking water /
- groundwater defluorination /
- electroflocculation /
- water supply schemes /
- life cycle assessment

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