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预处理-UASB-AO-高级氧化工艺在制药废水处理中的应用.docx

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预处理-UASB-AO-高级氧化工艺在制药废水处理中的应用 Abstract Pharmaceuticalindustrialwastewaterposesaseriousthreattotheenvironmentandhumanhealthduetoitscomplexcompositionandhightoxicity.ThispaperaimstoexploretheapplicationoftheUASB-AO-advancedoxidationprocessforthetreatmentofpharmaceuticalwastewater.ThepaperdiscussestheprincipleoftheUASB-AOprocess,thefactorsthataffectitsperformance,andtheadvantagesandlimitationsoftheprocess.TheapplicationoftheUASB-AOprocessinpharmaceuticalwastewatertreatmentisalsodiscussedindetail.TheresultsshowthattheUASB-AOprocessisaneffectivetechnologyforthetreatmentofpharmaceuticalindustrialwastewater. Keywords:UASB-AO,advancedoxidationprocess,pharmaceuticalwastewater,treatment. Introduction Pharmaceuticalwastewaterisatypeofindustrialwastewatergeneratedintheproductionandutilizationofpharmaceuticals.Pharmaceuticalwastewaterhasacomplexcomposition,highconcentrationoforganicmatter,heavymetals,andotherhazardoussubstances.Itcontainsalargenumberofresidualdrugs,suchasantibiotics,hormones,andcytotoxicdrugs,whichhavethepotentialtocauseseriousharmtotheenvironmentandhumanhealth.Inrecentyears,asthepharmaceuticalindustryhasdevelopedrapidly,thedischargeofpharmaceuticalwastewaterhasbecomeincreasinglysevere.Therefore,theeffectivetreatmentofpharmaceuticalwastewaterhasbecomeanurgentissue. Thetreatmentofpharmaceuticalwastewaterrequiresadvancedtechnologiesduetothecomplexcompositionofthewastewater.Currently,severaltechnologieshavebeendevelopedforthetreatmentofpharmaceuticalwastewater,suchasbiologicaltreatment,physicochemicaltreatment,andadvancedoxidationprocesses.Amongthesetechnologies,theUASB-AOprocesshasbeenwidelyusedduetoitshighefficiencyandlowcost. TheUASB-AOprocess TheUASB-AOprocessisacombinationoftheup-flowanaerobicsludgeblanket(UASB)andadvancedoxidation(AO)processes.TheUASBprocessisabiologicalprocessthatusesanaerobicmicroorganismstodegradeorganicmatterinwastewater.TheAOprocessisachemicalprocessthatusespowerfuloxidants,suchasozone,hydrogenperoxide,andultravioletlight,todegradeorgani