Online water quality monitoring is an important foundation for promoting real-time analysis and dynamic management of drainage pipelines.Due to the convenience and low cost of monitoring,electrical conductivity has been widely used in daily monitoring of water environment and analysis of water treatment effects.This article reviewed the application of electrical conductivity in indicating various types of water quality pollution,and found that the electrical conductivity characteristics in drainage systems were mainly influenced by changes in the ion content of discharged rainwater and wastewater;After comprehensive analysis of the water quality characteristics and installation conditions of drainage pipelines,as well as the principle of electrical conductivity measurement,it was found that the electrical conductivity online monitoring equipment based on electromagnetic method had higher applicability,and its measurement stability and equipment tolerance were also much higher than other chemical indicators;Based on the mixing experiment,it was found that the electrical conductivity could sensitively feedback different runoff/wastewater mixing ratios.In summary,electrical conductivity as a preliminary screening indicator for water quality characteristics of drainage pipelines has significant advantages,but preliminary research work still needs to be done in terms of territorial characteristics.
维普
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