典型文献
Synergistic effects of sodium hypochlorite disinfection and iron-oxidizing bacteria on early corrosion in cast iron pipes
文献摘要：
Corrosion in drinking water distribution systems(DWDSs)may lead to pipe failures and water quality deterioration;biocorrosion is the most common type.Chlorine disinfectants are widely used in DWDSs to inhibit microorganism growth,but these also promote electrochemical corrosion to a certain extent.This study explored the independent and synergistic effects of chlorine and microorganisms on pipeline corrosion.Sodium hypochlorite(NaOCl)at different concentrations(0,0.25,0.50,and 0.75 mg/L)and iron-oxidizing bacteria(IOB)were added to the reaction system,and a biofilm annular reactor(BAR)was employed to simulate operational water supply pipes and explain the composite effects.The degree of corrosion became severe with increasing NaOCl dosage.IOB accelerated the corrosion rate at an early stage,after which the reaction system gradually stabilized.When NaOCl and IOB existed together in the BAR,both synergistic and antagonistic effects occurred during the corrosion process.The AOC content increased due to the addition of NaOCl,which is conducive to bacterial regrowth.However,biofilm on cast iron coupons was greatly influenced by the disinfectant leading to a decrease in microbial biomass over time.More research is needed to provide guidelines for pipeline corrosion control.
文献关键词：
中图分类号：
作者姓名：
Weiying Li;Yu Tian;Jiping Chen;Xinmin Wang;Yu Zhou;Nuo Shi
作者机构：
State Key Laboratory of Pollution Control and Resource Reuse,Tongji University,Shanghai 200092,China;College of Environmental Science and Engineering,Tongji University,Shanghai 200092,China
文献出处：
引用格式：
[1]Weiying Li;Yu Tian;Jiping Chen;Xinmin Wang;Yu Zhou;Nuo Shi-.Synergistic effects of sodium hypochlorite disinfection and iron-oxidizing bacteria on early corrosion in cast iron pipes)[J].环境科学与工程前沿,2022(06):61-70
A类：
DWDSs,biocorrosion
B类：
Synergistic,effects,sodium,hypochlorite,disinfection,iron,oxidizing,early,cast,pipes,Corrosion,drinking,water,distribution,systems,may,failures,quality,deterioration,most,common,type,Chlorine,disinfectants,are,widely,used,inhibit,these,also,promote,electrochemical,certain,extent,This,study,explored,independent,synergistic,chlorine,microorganisms,pipeline,Sodium,NaOCl,different,concentrations,IOB,were,added,reaction,biofilm,annular,reactor,BAR,was,employed,simulate,operational,supply,explain,composite,degree,became,severe,increasing,dosage,accelerated,stage,after,which,gradually,stabilized,When,existed,together,both,antagonistic,occurred,during,process,AOC,content,increased,due,addition,conducive,bacterial,regrowth,However,coupons,greatly,influenced,by,leading,decrease,microbial,biomass,over,More,research,needed,provide,guidelines,control
AB值：
0.569597
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