不同工艺污水处理厂的细菌气溶胶特点刘婷

2018－04－142013FY1127002013CFC0992014BHE003013xtz07。。doi10．3969/j．issn．2095－4565．2018．04．0041212312121212121435003243500334300732AB。CASSA132～228CFU/m3A2/OB63～416CFU/m32。CASS。2B。。X513A2095－4565201804－0015－06CharacteristicofAirborneBacteriainWaste－waterTreatmentPlantsUtilizingDifferentProcessingTechnologyLiuTing12ZhaoHao12ZhaoMengdi3XuHongfei12WangXin12ZhangJiaquan12ZhangLili12LiuXianli121SchoolofEnvironmentalScienceandEngineeringHubeiPolytechnicUniversityHuangshiHubei4350032HubeiKeyLaboratoryofMineEnvironmentalPollutionControlandＲemediationHubeiPolytechnicUniversityHuangshiHubei4350033SchoolofInformationandSafetyEngineeringZhongnanUniversityofEconomicsandLawWuhanHubei430073AbstractTwosewagetreatmentplantsAandBwithdifferenttreatmenttechnologieswerestudiedastheob-jectsandthecharacteristicsofbacterialaerosolintheprocessofsewagetreatmentwerediscussedandana-lyzed．ＲesultsshowedthatbacterialaerosolconcentrationofplantAwhichusingcyclicactivatedsludgesys-temCASSwere132～228CFU/m3andbacterialaerosolconcentrationofplantBwhichmodifiedA2/Oox-idationditchprocesswere63～416CFU/m3．Thehighestconcentrationsofbacterialaerosolwerefoundintwounitsofthesludge－dewateringhouseandthegridwhereasthelowestconcentrationbacterialaerosolwasfoundinthebiologicaltreatmentunit．AndtheconcentrationsofbacterialaerosolinCASSpoolwerehigherthanthatofA2/Ooxidationditch．Thebacterialaerosolconcentrationsinbothplantswereoncleanlevelhow-evertheparticlesizeanalysisshowedthattheproportionofrespirablebacterialaerosolwashighinsewagetreatmentplantB．Theresearchresultisareferenceforevaluatingairqualityinsewagetreatmentplantswith34420188JOUＲNALOFHUBEIPOLYTECHNICUNIVEＲSITYVol．34No．4Aug．2018differenttechnologies．Keywordssewagetreatmentplantoxidationditchcyclicactivatedsludgesystembacterialaerosol、、、、、10．5～100μm2。、、3－5。6－910－13。、6－13。14814、1411－13。Malakootian15、、、。。2———CyclicActivatedSludgeSystemCASS。11．12ACASSBA2/O。A704×104t/d、、CASS。CASS、、。CASS、、。。B752．5×104t/dA2/O。、3。A2/O。、、、。。21。。12AB123CASS4CASS51．22015122。。ETW－6。。Ⅰ＞7．0μmII4．7～7．0μmⅢ3．3～4．7μmⅣ2．1～3．3μmⅤ1．1～2．1μmⅥ0．65～1．1μm16。1620187min28．3L/min。75%。3。9cm20mL。37℃2d。。PositiveHoleMethod17。1．31．3．11c=T·1000t·F。11cCFU/m3TtminFL/min。1．3．22P=nT·100%。22PnT。1．4SPSS21．0tP＜0．05。17。2。2CFU/m3＞45000＞15000＞6000020000～450006000～1500030000～6000010000～200002500～600015000～300005000～100001000～250010000～150002500～5000750～10005000～100001000～2500500～7503000～5000＜1000＜500＜300022．11。11A132～228CFU/m3B63～416CFU/m32P＞0．05。Li18483CFU/m3Niazi19600～1016CFU/m3Malakootiana153780CFU/m3。2。ACASSB。24172。Li13A2/O。9。19。。ACASS142CFU/m3B77CFU/m3。CASSP＞0．05。CASS。14。CASS、、、CASS。。CASS。2．21720ⅠⅡⅢ～Ⅵ。2。2ABAⅠⅡⅢ36．4%19．4%20．0%BⅢⅣⅤⅥ13．8%14．4%17．6%37．9%。2BIII23%Ⅳ26%21ⅣⅥ22IⅣ255%23。＜4．7μm、24。AB44．24%83．78%。222564．6%。18201891．08%2677．2%27。2．3。A132～228CFU/m3B63～416CFU/m3182。B83．78%。31A132～228CFU/m3B63～416CFU/m322。AB。2AⅠⅡⅢ36．4%19．4%20．0%BⅢⅣⅤⅥ13．8%14．4%17．6%37．9%。32。B83．78%。1．J．2006114546－552．2NevalainenAPastuszkaJLiebhaberFetal．PerformanceofbioaerosolsamplerscollectioncharacteristicsandsamplerdesignconsiderationsJ．AtmosphericEnvironment．PartA．GeneralTopics1992264531－540．3ＲossMACurtisLScheffPAetal．Associationofasthmasymptomsandseveritywithindoorbio-aerosolsJ．Allergy2000558705－711．4LamWKZhongNSTanWC．OverviewonSAＲSinAsiaandtheworldJ．Ｒespirology20038Suppls1S2－S5．5MeklinTＲeponenTToivolaMetal．Sizedis-tributionsofairbornemicrobesinmoisture－dam-agedandreferenceschoolbuildingsoftwocon-structiontypesJ．AtmosphericEnvironment200236406031－6039．6BrandiGSistiMAmaglianiG．Evaluationoftheenvironmentalimpactofmicrobialaerosolsgener-atedbywastewatertreatmentplantsutilizingdif-ferentaerationsystemsJ．JournalofAppliedMicrobiology2000885845－852．7PascualLPérez－LuzSYáezMAetal．Bio-aerosolemissionfromwastewatertreatmentplantsJ．Aerobiologia2003193－4261－270．8KarraSKatsivelaE．Microorganismsinbioaero-solemissionsfromwastewatertreatmentplantsduringsummerataMediterraneansiteJ．WaterＲesearch20074161355－1365．9Gotkowska－PachtaAFilipkowskaZKorzeniews-kaEetal．AirbornemicroorganismsemittedfromwastewatertreatmentplanttreatingdomesticwastewaterandmeatprocessingIndustrywastesJ．Clean－SoilAirWater2013415429－436．10OrsiniMLaurentiPBonintiF．Amoleculartyp-ingapproachforevaluatingbioaerosolexposureinwastewatertreatmentplantworkersJ．WaterＲesearch20023651375－1378．11FracchiaLPietronaveSＲinaldiMetal．Site－relatedairbornebiologicalhazardandseasonalvariationsintwowastewatertreatmentplantsJ．WaterＲesearch200640101985－1994．12TabriziＲDBernardAThommenAMetal．Sur-factantprotein－DandexposuretobioaerosolsinwastewaterandgarbageworkersJ．InternationalArchivesofOccupationalandEnvironmentalHealth2010838879－886．13LiJZhouLZhangXetal．BioaerosolemissionsanddetectionofairborneantibioticresistancegenesfromawastewatertreatmentplantJ．At-mosphericEnvironment2016124404－412．14Sánchez－MonederoMAAguilarMIFenollＲetal．Effectoftheaerationsystemonthelevelsofair-419bornemicroorganismsgeneratedatwastewatertreat-mentplantsJ．WaterＲesearch200842143739－3744．15MalakootianaMＲadhakrishnaNMazandaranyaMPetal．Bacterial－aerosolemissionfromwastewatertreatmentplantJ．Des