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1、ExperimentalResearchonDisposalofWaterEutrophicationofLiyuLakeinZhuzhouCODBOD51030L1020L/min24h10min12h24dDO6.6mg/LCODBOD5NH3-NTP54.44%57.14%33.33%13.22%17.2423.89%1.59%105575minDODO12.64%CODBOD5NH3-NTPCODBOD5NH3-NTP8.89%4.76%8.73%10.51%17.24%16.57%200mg/L20L/min24h10min
2、12h24dpHpH>>>25pH7200mg/L90minABSTRACTLiyuLake,whichislocatedinLiyuLeisureVallyofZhuzhoucity,waseutrophicatedbecauseoftherawrainandsewageasitssupplementalwatersourceanditsimperfectecologicalstructureandfounction.Themainpollutionarenitrogen,ammonianitrogen,totalphosphoru
3、s,CODandBOD5.Basedonthesummaryofwatereutrophicationrepairtechnology,thestudyonthecharacteristicsofwatereutrophicationsolvestheproblemwithcombinationrepairtechnologyofaerationandchemicaloxidation.Bleachingpowderandmonopersulfuricacidcompoundsaltarerespectivelyusedaschemi
4、caloxidants.Acomparativestudyoftheeffectsofaerationcombinedwithbleachingpowderandpotassiummonopersulfatecompoundsaltontheeutrophicationofwaterbodies,Itwasconcludedthatthecombinedefficiencyofaerationandpotassiumperoxymonosulfarecompositesaltchemicaloxidizationinthetreatm
5、entofwatereutrophicationisgreaterthanthecombinationofaerationandbleachingpowder.Combinedwiththecharacteristicsofaerationandsinglepotassiumpersulfatecompoundsaltremediationtechnologytodealwiththeeutrophicationofwater,theoptimaloperationparametersforthecombinationofaerati
6、onandpotassiummonopersulfatecompoundsalttorepairtheeutrophicationofthewaterbodywereobtained.Thetestfirstperformedaerationon10parts(30Leach)ofthesamevolumeofwatersample.Atthesametime,aerationwasappliedto10samples.Theaerationvolumewas20L/min,thereactionperiodwas24h(10minf
7、oreachinletandoutletwater,12hforaeration,andtherestforstandingtime).TheconcentrationofstabilizedDOwas6.6mg/Lfor24d,andthewaterbodyThecontentofpollutantsalsoshowedanincreaseandthendecreasewiththeincreaseofaerationtime.Finally,theremovalratesofturbidity,COD,BOD5,NH3-N,TP,
8、blue-greenalgaeandtrihalomethanereached54.44%and57.14%,33.33%,13.22%,17.24,23.89%and1.59%.Ofthe10watersamplesa
