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老旧无内衬铸铁管中氯对水质的影响

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成果类型:
期刊论文
作者:
李冬涵;庄媛;滑熠龙;石宝友
通讯作者:
Hua, Y.
作者机构:
[滑熠龙] School of Resource Environment and Safety Engineering, University of South China, Hengyang, 421001, China
[庄媛] Key Laboratory of Drinking Water Science and Technology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing, 100085, China
University of Chinese Academy of Sciences, Beijing, 100049, China
[李冬涵] School of Resource Environment and Safety Engineering, University of South China, Hengyang, 421001, China, Key Laboratory of Drinking Water Science and Technology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing, 100085, China
[石宝友] Key Laboratory of Drinking Water Science and Technology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing, 100085, China, University of Chinese Academy of Sciences, Beijing, 100049, China
通讯机构:
[Hua, Y.] S
School of Resource Environment and Safety Engineering, China
语种:
中文
关键词:
给水管网;颗粒物;黄水;水质风险
关键词(英文):
drinking water distribution system;particles;water quality risks;yellow water
期刊:
环境工程学报
ISSN:
1673-9108
年:
2023
卷:
17
期:
2
页码:
675-681
基金类别:
国家自然科学基金资助项目(51678558)。
机构署名:
本校为第一机构
院系归属:
环境与安全工程学院
摘要:
给水管网铁释放对于饮用水水质具有重要影响。通过浸泡实验和烧杯实验探究实际老旧无内衬铸铁管中氯对铁腐蚀的影响。一方面,通过实际管段浸泡实验,对比了不同初始氯浓度下管道中水质变化,发现在高初始氯下浊度和三磷酸腺苷增大,这表明在铁释放严重的无衬里铸铁管道中,消毒剂的增加可能引发水质微生物风险;另一方面,通过烧杯实验进一步确认了氯对管网颗粒物结构的影响,发现氯能够通过降低颗粒物表面电荷导致静电排斥降低,从而加剧了颗粒物的团聚,导致粒径变大、浊度升高,且颗粒物对消毒副产物三卤甲烷具有一定的富集累积作用,引发水质化学风险。本研究结果可为了解给水管网中氯引发...
摘要(英文):
Iron release in drinking water distribution system has an important impact on drinking water quality.The influence of chlorine on iron release in the actual old unlined cast iron pipe was studied through soaking experiment and batch experiment.On the one hand,the change...MORE Iron release in drinking water distribution system has an important impact on drinking water quality.The influence of chlorine on iron release in the actual old unlined cast iron pipe was studied through soaking experiment and batch experiment.On the one hand,the changes of water quality in the pipe under different initi...

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