Fe2活化过硫酸钾处理三唑醇农药废水张魏建

1.2240012.224001ATreatmentofTriazoleAlcoholPesticideWastewaterbyFe2+ActivatedPotassiumPersulfateZHANGWei-jian1,2,ZHOUTeng-teng1,2,QIYong-jie1,2,YANGFeng1,2,DAIJian-jun1,2,WANGJun1,21.NanjingUniversity&YanchengAcademyofEnvironmentalProtectionTechnologyandEngineering,JiangsuYancheng224001,China;2.JiangsuNanda-HuaxingScienceandTechnologyofEnvironmentalProtectionCo.,Ltd.,JiangsuYancheng224001,ChinaAbstract:TriazolealcoholpesticidewastewaterwastreatedbyFe2+activatedpotassiumpersulfate,theeffectofdifferentpH,potassiumpersulfatedosage,ferroussulfateheptahydratedosageandreactiontimeonthetreatmentefficiencyoftriazolealcoholpesticidewastewaterwasstudied.Theoptimumreactionconditionsweredeterminedasfollows:theinitialpH=6.0,thepotassiumpersulfatedosage10g/L,theferroussulfateheptahydratedosage6g/L,thereactiontime100min.Underaboveconditions,CODandTOCremovalrateinwastewaterwere53.47%and35.45%.TheresultsshowedthatFe2+activatedpotassiumpersulfatemethodwasaneconomicalandeffectivemethodfortheremovalofpollutantsunderneutralconditions.Keywords:Fe2+;Potassiumpersulfate;Advancedoxidation;Pesticidewastewater··1Table1Characterizationofexperimentwastewater··1.2.121.2.23DOI:10.13840/j.cnki.cn21-1457/tq.2020.01.030Table2ReagentsTable3Instruments23Fig.1ThetreatmentefficiencyofwastewateratdifferentpH·Fig.2ThetreatmentefficiencyofwastewateratdifferentpotassiumpersulfatedosageFig.3Thetreatmentefficiencyofwastewateratdifferentferroussulfateheptahydratedosage····Fig.4ThetreatmentefficiencyofwastewateratdifferentreactiontimeTable4Testfactorsandleveltable··5Table5Resultsofdirectanalysisoforthogonaltest··k1k2k3RJournalofHazardousMaterialsJournalofHazardousMaterialsDesalinationWaterAir&SoilPollutionEnvironmentalScienceandPollutionResearch