大型城市污水处理厂的清洁工艺分析杨志泉

2842009　8　　四　川　环　境SICHUANENVIRONMENT　　Vol.28,No.4August2009··:2009-10-19:(2007DA105167);(200803)。:(1978-),,,2006,,。:,[e-mail]杨志泉1,周少奇1,2,吴硕贤2(1.,　510006;2.,　510640)　　:随着经济的发展和环境要求的提高,清洁生产成为了环境保护的重要组成部分。本文就某一城市污水厂的清洁生产进行分析。为进行清洁生产,对城市污水处理厂的处理水量、水质及处理工艺进行了介绍分析。对污水处理过程中主要产生的污染源及处理中的薄弱环节进行分析,确定了整个污水处理过程审核重点,并详细分析了可采取的清洁生产方案,确定持续清洁生产目标。通过清洁生产评估,使污水处理厂取得更好的社会效益和环境效益,为企业的可持续发展注入了新的活力。　　:;:X758　　　　:A　　　　:1001-3644(2009)04-0037-05StudyontheCleanerProductionofMunicipalSewageTreatmentPlantYANGZhi-quan1,ZHOUShao-qi1,2,WUShuo-xian2(1.CollegeofEnvironmentalScienceEngineering,SouthChinaUniversityofTechnology,Guangzhou510006,China;2.TheStateKeyLaboratoryofSubtropicalBuildingScience,SouthChinaUniversityofTechnology,Guangzhou510640,China)　　Abstract:Withthedevelopmentofeconomyandimprovementoftheenvironmentalquality,thecleanerproductionhasbecomeanimportantpartforenvironmentalprotection.Inthispaper,thecleanerproductioninacitywasanalyzed,forwhichthetreatmentcapacity,wastewaterqualityandtechnologiesofmunicipalsewagetreatmentplantwereintroduced.Thepollutantsourcesandweaknesseswereanalyzed.Thekeypointsforcheckingofthewholeprocessweredetermined.Probableplansofcleanerproductionwerediscussedindetailandthegoalofsustainablecleanerproductionwassetup.Basedontheassessmentofcleanerproduction,thesewagetreatmentplantswouldgetbettersocialandenvironmentalbenefitsandsequentiallynewvitalityforsustainabledevelopment.Keywords:Municipalsewagetreatment;cleanerproduction　　,。,,,[1]。、,[2～5]。、,,,、,,[6]。50,60,110000m2,17000m2,20m3/d。:、285。10。200112,200310,20045。[7,8],20062005,、。DOI:10.14034/j.cnki.schj.2009.04.0101　污水水量、水质　　,,20。:BOD5、COD、SS、T-P、NH3-N、T-N、,2005:BOD5:99.5mg/L、COD:167mg/L、SS:119mg/L、T-P:2.79mg/L、NH3-N:19.4mg/L、T-N:26.39mg/L、6623/L,,,:BOD5:21.9～263mg/L、COD:39～454mg/L、SS:36～683mg/L、T-P:1.06～6.01mg/L、NH3-N:1.3～30.8mg/L、T-N:5.7～41.8mg/L、:2950～13800/L。2　水处理工艺　　,A2/O。,5mm,、。,,,,,。,,,。,,A2/O,。,,,,。,,。。　Fig.　Flowdiagramoftheprocessformunicipalsewagetreatmentplant　　1,95%。T-P、、COD。1　　Tab.1　Operationstatusofwastewatertreatment(mg/L)BOD56.512.92.36COD25.646.46.94NH3-N0.60810.90.011T-N10.420.44.7T-P0.5882.830.046SS8.88245(/L)98517205153　主要污染源分析　　,、、、。2。2　Tab.2　Thesourcesofmainpollutantsinthesewagetreatmentplant、、、、、、　　,,BOD5、COD、SS、T-P、NH3-N、T-N.,。。。2005:95%。T-P、、COD。:(1),38　　　　　　　　　　　　　　　　　　四川环境28,。(2),,,。、、、,,,3,。3　Tab.3　Thesourcesofmainwastegas(mg/m3)　、、、、0.031～0.0320.06、、、、2～32、、、、1.24～2.37()1　　、,,4。4　Tab.4　Thesourcesofnoises(dB)(h)(dB)9028590285　　、。5。5　Tab.5　Thesourcesofsolidwastes(t)32004200520067864.2721628.747557.0498.4120.433.5107.2120.150.964　确定审核重点　　,[2]:(1),;(2);(3),;(4)、、;(5),;(6)。,、[7,8]。20,,,20051～3,,200595%2006100%,212。。20055%,;,,,,。,。,;[9,10],,,,,。5　确定清洁工艺方案　　、,,、。,,:5.1　3;、;。(1)[11～13]。,1.0mg/L,。Ⅱ,。(2)、[14,15]。,。,。。(3)。394　　　　　　:[16,17]、,,。,T-NⅡ,。5.2　3;;。(1)。,,。(2)。,,,。(3)。,,,,、,。5.3　3;;。(1)。,DO,,,。(2)。,。(3)。,,,,。5.4　4;;;。(1),,,。(2),,,,。(3)。(),,,,、,。(4),,。5.5　9;;;;;;;;。(1)。,,(、、),,,。(2),,;、。(3),,,,,。(4),,,,。(5),,,,。(6),,,;,。(7)5℃,,。(8)、、———(),,,,,。(9),,。6　持续清洁生产　　、,,、,,,。、、、;,、;,,、。、,,,。(2005～2006),,、、、4,,6。　　2005、,,,。,2006340　　　　　　　　　　　　　　　　　　四川环境286　Tab.6　Statusofcleanerproductionduringchecking20052006、200795%100%,(A2/O)(P,)、、,6020%～20066,,,,,,。:[1]　　,,.[J].·,2000,10(S2):50-52.[2]　.[M].:,2001.[3]　,,.ISO14000[M].,2002.[4]　.[M].:,2002.[5]　,　,.[J].,2005,25(2):160-164.[6]　.[J].,2008,50(3):15-16.[7]　.[M].:,2005.[8]　,,.[M].:,2005.[9]　,,　,.[J].,2008,34(8):28-32.[10]　,　.[J].,2008,33(8):108-111.[11]　,　,.[J].,2008,27(5):2002-2007.[12]　　,,,.[J].,2008,34(5):7-10.[13]　,　,　.[J].,2008,4(1)14-16.[14]　,,.[J].,2008,24(12):1-5.[15]　　,.[J].,2000,26(10):28-31.[16]　,,,.[J].,2002,25(6):3-4.[17]　.[J].(),2006,34(5):1-4.(36)[3]　VaninaFlotron,JustinHouessou,AudreyBosio,etal.,Rapidde-terminationofpolycyclicaromatichydrocarbonsinsewagesludgesusingmicrowave-assistedsolventextractionComparisonwithotherextractionmethods[J].J.Chromatogr.A,2003,999:175-184.[4]　,　,,.ASE-SPE-HPLC[J].,2007,19:25-27.[5]　　,.、[J].,2007,35(11):1607-1613.[6]　BucoS,MoraguesM,DoumenqP,etal.,AnalysisofpolycyclicaromatichydrocarbonsincontaminatedsoilbyCuriepointpyroly-siscoupledtogaschromatography-massspectrometry,analterna-tivetoconventionalmethods[J].J.Chromatogr.A,2004,1026:223-229.[7]　　,　,,.[J].,2007,25(3):356-361.[8]　FushengSun,DavidLittlejohn,MarkDavidGibson.Ultrasonica-tionextractionandsolidphaseextractionclean-upfordetermina-tionofUSEPA16prioritypollutantpolycyclicaromatichydrocar-bonsinsoilsbyreversed-phaseliquidchromatographywithultra-violetabsorptiondetection[J].AnalyticaChimicaActa,1998,364:1-11.[9]　SantosJL,AparicioI,AlonsoE.Anewmethodfortheroutinea-nalysisofLASandPAHinsewagesludgebysimultaneoussonica-tion-assistedextractionpriortoliquidchromatographicdetermina-tion[J].AnalyticaChimicaActa,2007,605:102-109.[10]　CapeloJL,GalesioMM,FelisbertoGM,etal.,Micro-focusedultrasonicsolidliquidextraction(μFUSLE)combinedwithHPLCandfluorescencedetectionforPAHsdeterminationinsedi-ments:optimizationandlinkingwiththeanalyticalminimalismconcept[J].Talanta,2005,66:1272-1280.[11]　　,　,　,..1