太阳能曝气技术治理城市重污染河道试验研究

1,2,2,3(1.,210042;2.,215600;3.PUMP,210037):(SolarBee),,SolarBee,30mDO,DO58;,,CODTNNH+4-NTP,37.2%16.9%45.6%33.5%:;SolarBee;;;:X703:C:1000-4602(2008)17-0044-05ExperimentalStudyonSolarAerationTechnologyforTreatmentofHeavilyPollutedUrbanRiverChannelWANGWen2lin1,YINXiao2hai2,WEIZhen2,WANGYan3(1.NanjingInstituteofEnvironmentalScience,MinistryofEnvironmentalProtection,Nanjing210042,China;2.ZhangjiagangCityWaterResourcesMonitoringStation,Zhangjiagang215600,China;3.ChinaOffice,AmericanPumpSystemsInc.,Nanjing210037,China)Abstract:Thesolaraeration(SolarBee)technologywasintroducedintotheheavilypollutedur2banriverchannel,HuayuanbanginZhangjiagangCityinanefforttoimprovewaterquality.TheresultsshowthattheSolarBeetreatmentcancoveralargeareaofwater.TheDOconcentrationofthewaterbodyintherangeof30mupstreamanddownstreamoftheequipmentisincreasedmarkedly,especially,theDOatthebottomofriverisincreasedbyasmuchas5to8timescomparedwiththecontrolexperiment.Thetransparencyofthewaterbodyisalsoimprovedafteraperiodofoperation.TheconcentrationsofCOD,TN,NH+4-NandTParedecreasedby37.2%,16.9%,45.6%and33.5%respectively.Keywords:solaraerationtechnology;SolarBee;riverregulation;DO;waterbodyquality:(20051246),,,,,[12],,[35],(SolarBee),,44241720089CHINAWATER&WASTEWATERVol.24No.17Sep.20081111,L,1.5m,3050cm,,,,,20cm,,11211211(SolarBee10000),1(1),4,(CK)(SB)30m(SB-N30)30m(SB-S30)30cm30cm,1Fig.1Generalsituationofriverandlocationofsamplingpoints20054117171,11,,,1Tab.1SituationofwaterqualityineachsamplingpointbeforebeginningofexperimentSB-N30SBSB-S30CKDO/(mgL-1)30cm1.791.571.862.03230cm0.690.780.670.562COD/(mgL-1)109.26102.47112.32113.3340TN/(mgL-1)20.0519.1319.5417.62TP/(mgL-1)2.512.422.342.260.2NH+4-N/(mgL-1)19.6518.7818.6717.112.0/cm15151515503:311212SolarBee(2),,,,,,,2SolarBeeFig.2ConfigurationofSolarBeeSolarBee3,2,SolarBee11.3m3/min,,,(454:2417),3603SolarBeeFig.3RunningprincipleofSolarBee2SolarBeeTab.2TechnicalparametersofSolarBee11.3m3/min,0.28m3/(minW)26.5m3/min,0.66m3/(minW)37.8m3/min,0.94m3/(minW)4.88m,272.4kg,,,SCADA(),,10cm,,3,;4.5kN90cm1.5m30cm,:165W3,3m11213:1015d(DO)(T)YSI-5500;;CODTNNH+4-NTP12hSkalar[6]2211DOSolarBeeDO44Fig.4ComparisonofDOineachexperimentalarea4(a),3,DO(p0.05),DO7.667.338.13mg/L,DO3DO(p0.05),3DO4.773.954.68mg/L,(DO0.6mg/L)SolarBee30m,DODO,[78],3,212,SolarBee55,3642417[9],COD,2COD35.27%,COD37.2%SolarBee,DO,DO,,COD[9],,SolarBee,COD,214,77Fig.7VariationofTN,NH+4-NandTPconcentrationineachexperimentalarea7,SolarBee1,TNNH+4-NTP,,TNNH+4-NTP16.9%45.6%33.5%,(rTN=0.737rNH+4-N=0.808rTP=0.875),,SolarBeeDO(4mg/L),(574:241725),,,,TN[1012],DO,,;,[13]SolarBee,,TP,SolarBee,,DO,SolarBee,,,,SolarBee,,,,[1415]3SolarBeeDO(DO58),DO,3,SolarBee30m,SolarBee(1),Solar2Bee,CODTNNH+4-NTP,37.2%16.9%45.6%33.5%SolarBee,,,,,,,,:[1],,.[J].,2000,19(10):480-484.[2],,.[J].,2003,22(6):384-388.[3],.[J].,2004,23(2):34-36.[4].[J].,2003,16(5):16-18.[5],,.[J].,1994,16(1):22-25.[6].(4)[M].:,2002.[7],,.[J].,2001,17(4):47-49.[8],,,.[J].,2002,28(2):31-34.[9],,,.[J].,2005,11(6):742-746.[10],.[J].,2003,17(1):15-17.[11],,,.[J].,2003,23(6):644-647.[12],.[J].,2003,9(3):13-17.[13]GomezE,DurillonC,RofesG,etal.Phosphateadsorp2tionandreleasefromsedimentsofbrackishlagoons:pH,O2andloadinginfluence[J].WaterRes,1999,33(10):2437-2447.[14]NagA.Utilizationofcharredsawdustasanadsorbentofdyes,toxicsaltsandoilfromwater[J].ProcessSafetyandEnvironmentalProtection,1995,73(3):299-304.[15]LimKH,ShinHS.Operatingcharacteristicsofaeratedsubmergedbiofilmreactorfordrinkingwatertreatment[J].WaterSciTechnol,1997,36(12):101-108.:13851774512E-mail:[e-mail]:2008-02-27842417