倒置A2O工艺参数变化对污水中医药类污染物去除的影响

810环境工程学报Vol．8No．10201410ChineseJournalofEnvironmentalEngineeringOct．2014A2/O*710055A2/OHＲT、pH、PNT、CAF、GFZ、DCFCH、。PNTHＲT、pHCAF、99%GFZ25℃95%DCF77%DCFCH。A2/OX703．1A1673-9108201410-4285-06InfluenceoftechnologicalparametersininversedA2/OprocessonremovalofpharmaceuticalpollutantsinwastewaterFengLiBoLongliBaiLirongGaoNingZhaoPeiWangWendongSchoolofEnvironmentalandMunicipalEngineeringXi’anUniversityofArchitectureandTechnologyXi’an710055ChinaAbstractPharmaceuticalpollutantssuchasphenacetinPNTgemfibrozilGFZcaffeineCAFdi-clofenacacidDCFandcholesterolCHwerebiodegradedbyasimulatedreversedA2/OanoxicanaerobicandaerobicprocesslaboratoryapparatusandeffectsofhydraulicretentiontimeHＲTpHtemperatureandinitialconcentrationwereexaminedinordertoinvestigatebio-eliminationrulesofpharmaceuticalpollutantsinmunicipalsewage．ItshowedthatPNThadthebestbiodegradabilityandcouldbecompletelydegradedunderlon-gerHＲThighertemperatureandneutralpH．CAFhadbiodegradationrateofalmost99%underconditionsofaerationhightemperatureandneutralpH．GFZhadbiodegradationrateof95%under25℃watertemperatureandneutralpH．PartofDCFwasadsorbedtothesludgefordegradationbuthadbiodegradationrateof77%un-deracidiccondition．ＲemovalefficiencyofCHdidnotdifferobviouslyunderdifferentconditionsanditsremovalcapacitywasthecombinedactionbetweensludgeadsorptionandbiodegradation．KeywordspharmaceuticalpollutantsinversedA2/Oprocessparameterchangeremovalrules12JK0640201061201200142013－09－292013－10－121988—。[e-mail]*[e-mail]。、、COD、BOD5SS1。。2-8、、、、、、、、、、、8098μg/L5μg/LdiclofenacacidDCF10、、11-14。、、“”“”。。。SS、COD、BOD5、NH3-NTP。pharmacologicalactivecom-poundsPHACsphenacetinPNT、gemfibrozilGFZ、caffeineCAF、DCFcholesterolCHA2/O———HＲT、pH、、。11．11．1．1实验仪器与药品GC7890A-MS/MS7000B-30m×0．25mmHp-5MSAgilentUSAAvantiJ-26XPBeckmanUSASPESupel-coUSAQGC-12T101-3ABSHB-ⅢC9860AFA2104N。HClThermaPNT97%、GFZ99%、DCF99%、CH95%、2-4-97%99%SigmaCAF99%C18ENVI-18500mg3mL2mLSupelco。1．1．2目标化合物特性1、pKa、-lgKowGC-MS/MS、。1．2A2/O1HＲT、、μg/LpHPNT、CAF、GFZ、DCFCH。HＲT11h16．5h20℃25℃500μg/L800μg/LpH7．54．5。、、、。1．3pH2～2．524-12000r/min10min0．45μmC18C1810mL、10mLC1860℃1mL。100μL100℃90minGC-MS/MS。GC-MS/MS99.999%0．8mL/min1μL280℃230℃－70V50～500m/s3．9s。100℃1min30℃/min145℃10℃/min176℃1min0．5℃/min177℃28℃/min682410A2/O1Table1PhysicochemicalpropertiesofpharmaceuticalpollutantspKalgKowPNTC10H13NO21081371791089．842．11．58GFZC15H22O38312214314311．024．84．77CAFC8H10N4O26710919419411．2110．4－0．07DCFC14H11Cl2NO221424230921415．334．150．7CHC27H46O14527538614522．83－8．74220℃3min20℃/min290℃7min。2。1Fig．1Diagramofexperimentalsetup2Fig．2Peaktimeoftargetpharmaceuticals22．1HＲTPHACs800μg/L20L/d30L/dHＲT16．5h11hPHACs3。3PNTHＲTPNTHＲT2HＲTGFZ、CAFDCFHＲTHＲTCAF2HＲTDCFHＲTDCFDCF。PNTlgKowpKa1PNT。GFZ、CAFDCFHＲTHＲT。CAF2HＲT782483HＲTFig．3InfluenceofHＲTonremovalofpharmaceuticalsCAFlgKowpKaCAFHＲTCAFHＲTCAF。DCFlgKowDCFDCFDCF。2．2PHACsCOD400mg/L500μg/L800μg/L4。4Fig．4Effectofinitialconcentrationonremovalofpharmaceuticals4PHACsGFZDCF88．98μg/L52．58μg/LCAF2PNT2PNT98%。PNTGFZ15GFZDCF2CAFCAFCAFHＲTCAF。2．3PHACs20℃25℃882410A2/OPHACs5。5PNT、GFZ、CAFDCFGFZDCFCAFCAFPNT。GFZDCFPNTCAF。5Fig．5Influenceoftemperatureonpharmaceuticalsremoval2．4pHPHACspH7．54．5PHACs6。6pH7．5PNT、GFZ、CAFpH4．5PNTCAF2GFZDCF。PNT、GFZ、CAFCAF2CAFpHDCFDCFDCF77%DCF。2．5CH6pHFig．6InfluenceofpHonremovalofpharmaceuticalsCH。7CH。lgKow3。98248、。7CHFig．7DistributionofbiodegradationrateforCH3PNTCH2。GFZCAF2PHACspH2HＲTGFZCAFCAFGFZCAFHＲT。DCF。1．．200931277-80DaiChaomengZhouXuefeiZhangYaleietal．ＲesearchadvancementsinpotentialriskofPPCPsofenvironmentalmedia．EnvironmentalPollution＆Control200931277-802SeinoA．FurushoS．MasunagaS．Occurrenceofpharma-ceuticalsusedinhumanandveterinarymedicineinaquaticenvironmentsinJapan．JournalofJapanSocietyonWaterEnvironment20042711685-6913CarballaM．OmilF．LemaJ．M．Behaviorofpharmaceuti-calscosmeticsandhormonesinasewagetreatmentplant．WaterＲesearch200438122918-29264KangX．BhandariA．DasK．etal．OccurrenceandfateofpharmaceuticalsandpersonalcareproductsPPCPsinbiosolids．JournalofEnvironmentalQuality200534191-1045LindstromA．BuergeI．J．PoigerT．etal．Occurrenceandenvironmentalbehaviorofthebactericidetriclosananditsmethylderivativeinsurfacewatersandinwastewater．EnvironmentalScience＆Technology200236112322-23296BoydG．Ｒ．ＲeemtsmaH．GrimmD．A．etal．Pharmaceuti-calsandpersonalcareproductsPPCPsinsurfaceandtreatedwatersofLouisianaUSAandOntarioCanada．Sci-enceoftheTotalEnvironment20033111-3135-1497DaughtonC．G．Non-regulatedwatercontaminantsEmergingresearch．EnvironmentalImpactAssessmentＲeview2004247711-7328JonesO．A．H．VoulvoulisN．LesterJ．N．Aquaticenvi-ronmentalassessmentofthetop25Englishprescriptionpharmaceuticals．WaterＲesearch200236205013-50229HebererT．OccurrencefateandremovalofpharmaceuticalresiduesintheaquaticenvironmentAreviewofrecentre-searchdata．ToxicologyLetters20021311-25-1710Schmitt-JansenM．BartelsP．AdlerN．etal．Phytotox-icityassessmentofdiclofenacanditsphototransformationproducts．AnalyticalandBioanalyticalChemistry200738741389-139611．PPCPs．2005211025-27GuoMeitingHuHongyingWangChao．Pharmaceuticalsandpersonalcareproductsinurbansewageandtheirre-