表面流人工湿地处理生活污水的研究何蓉

2004,13(2):[e-mail]2002AA601023)KJS030711978E-mail:[e-mail]2003-11-231.200092CODCrTNTPCODCr75TN75TP73CODCrTN3d4dTP6dTNTPX703A1672-2175200402-0180-024%,[1]3~41~2a2W1W2W1W24m0.4m10cm60cmCODCrTNTP200mg/L40mg/L5mg/L130mg/L70mg/L35mg/L35mg/L23mg/L32mg/L113mg/L15.8mg/LCODCrTNTPCODCr220nm275nmTNTP[2][3]2CODCr112CODCr3dW1W2CODCrW1CODCr70W2CODCr753dW2CODCr58.82mg/LCODCr/05010015020025023456HRT/dCOD/(mg·L-1)W1W2DOI:10.16258/j.cnki.1674-5906.2004.02.011181A2/O[3,4]2TN222TN2d3dW1W2TN3d4dW2TNW1W1TN50~60W2TN60~754dW2TN12.62mg/LCODCrTN[3,5]332TPW2W1W1TP33~57W2TP37~736W2TP0.98mg/LCODCrTNTP21W1CODCrTNTP706057W2CODCrTNTP75757327033dCODCr4dTN6dTP[1],.-[J].,1993,14(2):39.[2].[M].:,1993.[3].[J].,1995,16(3):83-86.[4]COMINFA,ROMEROJA,ASTORGAV,etal.Nitrogenremovalandcyclinginrestoredwetlandsusedasfiltersofnutrientsforagriculturalrunoff[J].WatSciTech,1997,35(5):255-261.[5]CARLETONJN,GRIZZARDTJ,GODREJAN,etal.Factorsaffectingtheperformanceofstormwatertreatmentwetlands[J].WatRes,2001,35(6):1552-1562.Treatingdomesticsewagebythefree-watersurfaceconstructedwetlandsHERong,ZHOUQi,ZHANGJunStateKeyLaboratoryofPollutionControlandResourcesReuse,TongjiUniversity,Shanghai200092,ChinaAbstract:Inthispaper,theperformanceoftreatinglaboratorydomesticsewagebythefree-watersurfaceconstructedwetlandswasinvestigatedbythepilotscalefree-watersurfaceconstructedwetland.Theremovalefficiencyandoperationparameterswasacquired.Accordingtoourresults,theremovalefficienciesofCODCr,TN,andTPare75%,75%and73%respectively.Theapparentretentiontimeofthedomesticsewageshouldbe3or4daysatleastforCODCr,TNtomeettheClass1dischargestandardofpollutantsformunicipalwastewatertreatmentplant,and6daysatleastforTPtomeettheClass2dischargestandard.AndtherearesignificantdifferentremovalefficiencyofTNandTPbetweenwetlandwithplantsandnon-plant.Keywords:domesticsewage;free-watersurfaceconstructedwetlands;purificationtreatment0102030405023456HRT/dTN/(mg·L-1)W1W2012345623456HRT/dTP/(mg·L-1)W1W2