长距离给水管网氯胺消毒的控制研究
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2020-01-18 13:43:52
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长距离给水管网氯胺消毒的控制研究邝金勇,邓俊贤,罗晓敏,李利杰(佛山市水业集团有限公司西江供水分公司,广东佛山528100)摘要:以某市第二水源工程供水管网为研究对象,通过测定余氯和菌落总数,考察了氨、氯质量比和出厂水余氯浓度对长距离给水管网氯胺消毒效果的影响。结果表明,在氨、氯质量比为1∶4.5时,通过适当提高出厂水余氯浓度,可以有效改善长距离输水管网中的水质,避免增加中途加氯设备,以及便于水厂管理。关键词:氯胺;消毒;长距离;给水管网中图分类号:TU991.25文献标志码:A文章编号:1673-9353(2013)04-0008-03doi:10.3969/j.issn.1673-9353.2013.04.003ControlofchloraminedisinfectioninlongdistancewatersupplynetworkKuangJinyong,DengJunxian,LuoXiaomin,LiLijie(XijiangWaterSupplyBranchCompany,FoshanWaterGroupCo.Ltd.,Foshan528100,China)Abstract:Asanexampleofwatersupplynetworkinthesecondarywatersourceengineeringofthecity,theeffectofammoniaandchlorinemassratioandoutflowresidualchlorineconcentrationonchloraminedisinfectionwasinvestigatedforlongdistancewatersupplynetworkthroughdetectionofresidualchlorineandtotalamountofbacteria.Theresultsshowedthatitcouldeffectivelyimprovethewaterquality,avoidtheincreaseofchlorinefeedingequipmentinhalfwaywhenthemassratioofammoniaandchlorinewas1∶4.5andtheresidualchlorineconcentrationwassuitablyimproved.
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