| Variability of micropollutants and microorganisms in water distribution system |
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| 作者姓名： | 李欣 齐晶瑶 王郁萍 赵洪宾 |
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| 作者单位： | Dept.of Chemistry，Harbin Institute of Technology，School of Municipal and Environmental Engineering，Dept.of Chemistry，Harbin Institute of Technology，School of Municipal and Environmental Engineering Harbin 150090，China，Harbin Institute of Technology，Harbin 150090，China，Harbin 150090，China，Harbin Institute of Technology，Harbin 150090，China |
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| 基金项目： | SponsoredbytheNaturalScienceFoundationofHeilongjiangProvince (GrantNo.E0 2 0 4) |
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| 摘 要： | 0 INTRODUCTIONThespeciesandquantityoforganicmicropollutantsincreasesharplyandnewpathogenicparasitesemergeindrinkingwater,whichgeneratesamajorimpactonpublichealth .Multiplicationofmicroorganismsinwatersupplynet workinducesafoodchainresultsinanincreaseinthenumberofanimals ,andthismayaffecttheturbidity ,taste ,odourandcolourofthedistributedwater .Thecor rosionproblemofpipematerialsisalsorelatedtothegrowthofmicroorganisms1] .Whenchlorineresidualisprovidedfordisinfection ,organiccompoundsare…
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Variability of micropollutants and microorganisms in water distribution system |
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| LI Xin ,QI Jing yao ,WANG Yu ping ,ZHAO Hong bin.Variability of micropollutants and microorganisms in water distribution system[J].Journal of Harbin Institute of Technology,2003,10(2). |
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| Authors: | LI Xin QI Jing yao WANG Yu ping ZHAO Hong bin |
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| Affiliation: | 1. Dept. of Chemistry, Harbin Institute of Technology, Harbin 150090,China
2. School of Municipal and Environnental Engineering, Harbin Institute of Technology, Harbin 150090,China |
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| Abstract: | The variation of water quality in water distribution system was investigated with assimilable organic carbon (AOC)and trihalomethanes(THMs) used as assessment indexes. Bacterium was identified in water distribution. The result showed that there were pathogenic parasites in water distribution system. The variation of AOC is related to chlorine residual and bacterium activity, and AOC concentration decreased first and then increased with the extension of water distribution system. The formation of THMs was related to the consumption of chlorine inside the distribution system, and THMs concentration increased with the extension of water pipe line. |
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| Keywords: | water distribution system pathogenic parasites assimilable organic carbon (AOC) trihalomethanes(THMs) chlorine residual |
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