低负荷人工湿地对城市生活污水处理效果的研究冯明雷

283()Vol.28No.320079JournalofYangzhouUniversity(AgriculturalandLifeScienceEdition　)Sep.2007冯明雷2,张志勇1,杨林章1*,孔荔玺1(1.,210008;2.,100039)　:,(,CODCr)、(TN)、(TP)、(NH+4-N)(NO-x-N),。:,CODCr、TN、TP、NH+4-NNO-x-N75.6%、93.2%、95.7%、96.2%66.5%;65.7%CODCr、87.2%TN95.0%TP1d,;5dNO-x-N。,CODCr、TN、TPNH+4-N。。:;;;;:X703.1　　　　　:A　　　　　:1671-4652(2007)03-0072-05EffectofconstructedwetlandontreatmentofmunicipalsewageatlowerloadingratesFENGMing-lei1,2,ZHANGZhi-yong1,YANGLin-zhang1,KONGLi-xi1(1.InstofSoilSci,CAS,Nanjing210008,China;2.UnivofGra,CAS,Beijing100039,China)ABSTRACT:Performanceanddynamicremovaloftypicalpollutantsinmunicipalsewagetreatedby3simulatingconstructedwetlandcellsatlowerloadingrateswereobserved,andtheimpactofpollutantloadingrateforpollutants’removalwasalsoinvestigated.Theresultsindicatedthattheconstructedwetlandplantedwithryegrass(LoliummultiflorumL.)hadgoodperformancesfortreatmentofmunicipalsewage.TheremovalefficienciesofCODCr,TN(totalnitrogen),TP(totalphosphorus),NH+4-NandNO-x-Nwere75.6%,93.2%,95.7%,96.2%and66.5%,respectively.MostofCODCr(65.7%),TN(87.2%)andTP(95.0%)weredegradedwithinonedayaftersewageaffused,andadsorptionandimmobilityofstuffingmaybeanimportantpreconditionforpollutants’rapidremoval.WhereastheremovalofNO-x-Naccumulatedbymicrobialnitrificationneededlongerthan5daysresidenttime.TheremovalloadingratesofCODCr,TN,TPandNH+4-Nwerepositivelycorrelatedwiththeirpollutantloadingrates.Thepollutantloadingrateshadgreatinfluenceontheremovaloftypicalpollutantsinmunicipalsewage.KEYWORDS:constructedwetland;municipalsewage;ryegrass;pollutantloadingrate;removalloadingrate20,、、、,、、、[1-3]。,。、、、[1],。,,[4]。,、[5-6],:2007-01-10:(863-2002AA601012):(1982-　),,,,。*,E-mail:[e-mail]:10.16872/j.cnki.1671-4652.2007.03.017[7-8],[5,7,9-10]。、,(,CODCr)、、,,。1　1.1　1　Fig.1　Thesketchmapofthesimulatingconstructedwetlandcell,、、56、46、35cm,(22cm)3～4cm,(8cm)。,33%,30L。1。2006430625,3。,48m-2,,3。6d,11。,15～20L,。,。6d,0.01md-1,。1.2　,。100L,。1。1　Tab.1　ThemainpropertiesofthewastewaterintheexperimentpH/℃(DO)/mgL-1CODCr/mgL-1(TN)/mgL-1(TP)/mgL-1(NH+4-N)/mgL-1(NO-x-N)/mgL-17.47～7.7017.0～37.00～1.853.8～119.721.60～30.920.76～2.1014.93～25.910.86～3.131.3　、9:00,1,7,2、4、6,、CODCr、TN、TP、NH+4-NNO-x-N(NO-2-NNO-3-N),、pHDO。,TN、TP、NH+4-NNO-x-NSkalarSA-4000;CODCr,DO[11],pHPHS-3CpH。2　2.1　1)CODCr、TN、TPNH+4-N:8,TN、TPNH+4-N733:,85%。CODCr75.6%,,91.3%,52.2%;2,CODCr53.8mgL-1,84.5mgL-1。,CODCr,20.6mgL-1,。TP,92.9%～99.4%,TP0.06mgL-1。TNNH+4-N,93.2%96.2%,,TNNH+4-N1.770.88mgL-1。2,1,CODCr、TN、TPNH+4-N2,1d。1d,CODCr60%,470%。TN1d87.2%,5d6%。TPNH+4-N,1d95.0%90.1%。　　　　　2)DOpH:DO0.68mgL-1,6d,DO,2.23mgL-1,2.80mgL-1,。pH7.60,7.45,pH,。3)NO-x-N:2,NO-x-N265.8%;46NO-x-N,58.3%54.2%。NH+4-N21.061.34mgL-1,NO-x-N0.140.21mgL-1,NO-x-N;7NO-x-N66.5%,TNNH+4-N,。NO-x-N0.61mgL-1,。1d,DO,CODCr,,NO-x-N。46,NH+4-NNO-x-NNO-x-N,6;7NH+4-NNO-x-N。2　CODCr、TN、TPNH+4-NTab.2　ThechangesofCODCr,TN,TPandNH+4-Nwithinatestingperiod　　　1*2467CODCr/mgL-184.5±19.9b29.0±6.823.3±5.1-20.6±6.4/%-65.772.4-75.6TN/mgL-126.04±2.943.33±1.062.29±0.922.09±0.731.77±0.86/%-87.291.292.093.2TP/mgL-11.58±0.390.08±0.030.08±0.050.08±0.050.06±0.04/%-95.094.894.195.7NH+4-N/mgL-123.06±3.582.29±1.171.23±0.760.95±0.730.88±0.65/%-90.194.795.996.2NO-x-N/mgL-11.81±0.720.62±0.390.76±0.370.83±0.340.61±0.47/%-65.858.354.266.5　　　*1。2.2　。,。[7],。,、。2。2,,CODCr、TN、TPNH+4-N。CODCr,CODCr74()282　Fig.2　Therelationshipofremovalrateandpollutantloadingrateoftypicalpollutants。1100～2100mgm-2TN,CODCr。TN,NH+4-N。TP,23.20mg(m2d)-1。,CODCr、,。3　,,CODCr、TN、TP、NH+4-NNO-x-N,75.6%、93.2%、95.7%、96.2%66.5%。1d,65.7%CODCr、87.2%TN95.0%TP。;、、CODCr、[1],[12],,,CODCr、。,,,、、[13]。,NO-x-N,,NO-x-N。,,DO。pH。DOpH、[2,13],TP。、、NO-x-N,、、。1,DO,NH+4-N,NO-x-N。CODCr、。753:,,、。,。:[1]　,.[J].,2004,5(6):71-75.[2]　,,.[J].,2005,18(6):68-71.[3]　,,,.[J].,2006,19(4):47-50.[4]　,,.[J].,2001,21(7):1136-1141.[5]　RanN,AgamiM,OronG.Apilotstudyofconstructedwetlandsusingduckweed(LemnagibbaL.)fortreatmentofdomesticprimaryeffluentinIsrael[J].WaterResearch,2004,38(9):2241-2248.[6]　,,　,.[J].,2006,27(2):253-256.[7]　,,,.[J].,2006,26(3):404-408.[8]　,,,.4、[J].,2005,24():94-98.[9]　,,,.[J].,2004,24(3):275-279.[10]　ReillyJ,HorneAJ,MillerCD.Nitrateremovalfromadrinkingwatersupplywithlargefree-surfaceconstructedwetlandspriortogroundwaterrecharge[J].EcologicalEngineering,2000,14:33-47.[11]　.[M].4.:,2002:200-285.[12]　AndreaSB,MelissaNR,LarryDG,etal.Phosphorusremovalbywollastonite:Aconstructedwetlandsubstrate[J].EcologicalEngineering,2001,15:121-132.[13]　.[J].,1995,16(3):83-86.(上接第67面):[1]　.[M].:,1994.[2]　　,,,.[J].,2002,39(5):290-292.[3]　HuangS,YunSH,QuailK,etal.EstablishmentofflourqualityguidelinesforNorthern-styleChinesesteamedbread[J].JournalofCerealScience,1996,24(2):179-185[4]　,,,.[J].,2005,20(2):16-20[5]　　,,,.[J].,2000,15(3):126-131.[6]　,.[M].:,2001.[7]　.[M].:,2002.[8]　.[M].:,1999.[9]　.SB/T10139-93:[S].1993.[10]　,,,.[J].,2000,15(2):10-15.[11]　ZhuJ,HuangS,KhanK,etal.Relationshipofproteinquality,qualityanddoughpropertieswithChinesesteamedbreadquality[J].JournalofCerealScience,2001,33(2):205-212.[12]　,　,,.[J].,2002,28(2):240-244.76()28