Quality Stability in Long-distance Water Conveyance after Sudden Pollution of Quality Surface Water

Wang Xiang; Liu Li-fan; Wang Zhi-hong; Qi Wen-guang

doi:10.12052/gdutxb.180111

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Quality Stability in Long-distance Water Conveyance after Sudden Pollution of Quality Surface Water

更新时间：2026-05-27

- Quality Stability in Long-distance Water Conveyance after Sudden Pollution of Quality Surface Water
- Vol. 36, Issue 3, Pages: 99-102, 110(2019)
- 作者机构：
  
  1. 广东工业大学　土木与交通工程学院,广东,广州,510006
  2. 广州市自来水公司　南洲水厂,广东,广州,510600
- 作者简介：
- 基金信息：
- DOI：10.12052/gdutxb.180111
  CLC： X524
- Online First：09 May 2019，
  
  Published：2019
- 稿件说明：
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汪翔, 刘立凡, 王志红, 漆文光. 优质地表水源突发污染后长距离输水水质稳定性研究[J]. 广东工业大学学报, 2019, 36(3): 99-102, 110.

Wang Xiang, Liu Li-fan, Wang Zhi-hong, et al. Quality Stability in Long-distance Water Conveyance after Sudden Pollution of Quality Surface Water[J]. 2019, 36(3): 99-102, 110.
汪翔, 刘立凡, 王志红, 漆文光. 优质地表水源突发污染后长距离输水水质稳定性研究[J]. 广东工业大学学报, 2019, 36(3): 99-102, 110. DOI： 10.12052/gdutxb.180111.

Wang Xiang, Liu Li-fan, Wang Zhi-hong, et al. Quality Stability in Long-distance Water Conveyance after Sudden Pollution of Quality Surface Water[J]. 2019, 36(3): 99-102, 110. DOI： 10.12052/gdutxb.180111.

摘要

采用球墨铸铁管循环装置模拟长距离输水系统

研究优质地表水源万绿湖水在正常及分别受到藻类、氨氮、亚硝氮物质污染后主要水质指标的变化情况. 试验结果表明

原水未受污染时

在输水过程中溶解氧呈下降趋势

氮类物质及浊度均维持在地表I类水要求限值内; 受到藻类污染后

溶解氧浓度下降

浊度、氮类物质均沿程升高; 受到氨氮、亚硝氮污染后

由于管道生物膜的生物降解作用

氨氮和亚硝氮的去除率分别为61.79%和68.05%. 综上

万绿湖水源在分别遭受藻类、氨氮、亚硝氮污染后均有溶解氧、余氯沿程下降和较为明显的亚硝氮积累

水质稳定性差.

Abstract

The long-distance water conveyance system was simulated by a ductile iron pipe circulation device to study the changes of the main water quality indexes of the high-quality surface water source Wanlv Lake raw water after normal and separately contaminated by algae

-N and NO

-N. The test results showed that when the raw water was not contaminated

the DO showed a downward trend

and NH

-N

-N and turbidity were all maintained within the limits of the Surface Water Standard of Class I requirements; when subjected to algae pollution

the DO concentration decreased and turbidity

-N and NO

-N increased along the course. When being polluted by NH

-N and NO

-N

due to biodegradation of the biofilm of the pipeline

it showed great purification ability on NH

-N and NO

-N

with removal efficiency respectively being 61.79% and 68.05%. In summary

the Wanlv Lake suffered from poor water quality stability after being contaminated by algae

-N and NO

-N

and all have decreased DO and residual chlorine concentration and obvious accumulation of NO

-N.

关键词

Keywords

references

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