Fe_2_过氧化物体系氧化活性及其处理生活污水效果比较_吴桐

ComparisonsofoxidationactivityintheFe2+/peroxidesystemappliedtodomesticsewagetreatmentprocessesWUTong1,HUANGXue1,LIUWei2,LIUDa-hui3,CAIJian-bo1,4,ZHUDuan-wei1,4*（1.LaboratoryofEco-environmentalEngineeringResearch,CollegeofResourcesandEnvironmentofHuazhongAgriculturalUniversity,Wuhan430070,China;2.ShandongKeyLaboratoryofTCMQualityControlTechnology,ShandongAnalysisandTestCenter,QiluUniver⁃sityofTechnology（ShandongAcademyofSciences）,Jinan250014,China;3.PharmacyFaculty,HubeiUniversityofChineseMedicine,Wuhan430065,China;4.CooperativeInnovationCenterforSustainablePigProduction,Wuhan430070,China）Abstract：Peroxides,suchascalciumperoxide,magnesiumperoxide,andzincperoxide,havebeenusedaschemicalreagentsoftheFen⁃ton-likesystem.Inthisstudy,theoxidationabilityofthesecompoundswithFe2+wasinvestigatedbymonitoringthecolorchangeofmethy⁃leneblueinsolutions,withafocusontheremovalefficiencyofthechemicaloxygendemand（COD）indomesticsewage.Undertheopti⁃mummolarratioofFe2+toperoxides,1∶2,thehighestoxidationabilitywasreachedandsimulatedwiththefirstorderkineticequation.ComparingFe2+/MgO2,Fe2+/ZnO2,andFe2+/CaO2,thereactionrateoftheFe2+/CaO2-methylenebluesystemwasthehighest,withaconstantrateof2.55min-1.Moreover,thefittingofthemodifiedGompertzmodelshowedthattherateofoxygenreleaseofFe2+/CaO2amongthethreekindsofperoxideswasalsothehighest.Asaconsequence,CODremovalindomesticsewagebyusingFe2+/peroxideswithamolarratioof1∶2showedamaximumremovalefficiencyforCOD,especiallyforwastewateratpH3,wheretheremovalrateofCODapproached74.9%.2019，38（1）:193-2002019年1月农业环境科学学报JournalofAgro⁃EnvironmentScience吴桐，黄雪，刘伟，等.Fe2+/过氧化物体系氧化活性及其处理生活污水效果比较[J].农业环境科学学报,2019,38（1）：193-200.WUTong,HUANGXue,LIUWei,etal.ComparisonsofoxidationactivityintheFe2+/peroxidesystemappliedtodomesticsewagetreatmentprocesses[J].JournalofAgro-EnvironmentScience,2019,38（1）:193-200.Fe2+/过氧化物体系氧化活性及其处理生活污水效果比较吴桐1，黄雪1，刘伟2，刘大会3，蔡建波1，4，朱端卫1，4*（1.华中农业大学资源与环境学院生态与环境工程研究室，武汉430070；2.齐鲁工业大学（山东省科学院），山东省分析测试中心，山东省中药质量控制技术重点实验室，济南250014；3.湖北中医药大学药学院，武汉430065;4.