垂直流人工湿地系统工程的污染物净化效率研究刘家宝

刘家宝1,2,唐晓斌1,莫凤鸾3(1.,100083;2.,518101;3.,518001):,,9,,,,,:;;:X703:A:1001-6929(2005)06-0068-04StudyonWastewaterPurificationEfficiencyofVerticalFlowConstructedWetlandSystemsLIUJia-bao1,2,TANGXiao-bin1,MOFeng-luan3(1.ChinaUniversityofGeosciences,Beijing100083,China;2.EnvironmentalProtectionBureauofBaoan,Shenzhen518101,China;3.ShenzhenInstituteofEnvironmentalScience,Shenzhen518001,China)Abstract:Artificialwetlandwasappliedincombinationwithtraditionalwastewatertreatmenttechnology,andanintensifiedpre-treatmentsystemwasintroducedtohigh-efficiencyverticalflowconstructedwetlandsoastoimprovethewetlandtreatment.Through9monthsofrunning,ithadbeenprovedthatthepretreatmentsettingdeclinedthepollutantamountintothewetland,andincreasedthewastewaterpurificationefficiency.Theimprovedwetlandsystemhadthesatisfactorypurificationeffectonconfluencesewage,andthecostwasratherlow.Sothetreatsystemissuitabletotheareaswhichhaverelativelyrichlandbutfewerfunds.Keywords:verticalflowconstructedwetland;wastewaterpurificationefficiency;treatmentmechanisms:2004-11-21:(1959-),,,.,,,[1-3],[4],,,,()/0,9,1111,,,115@104tPd,,214@104m2,8,3000m2,,,112mPVC10cm,PVC,,12h800@104,,0118Pt,:Q(CODCr)[250mgPL,Q(BOD5)[150mgPL,Q(TP)[6mgPL,Q(NH4+-N)[15mgPL:56(GB18918-2002)A,186ResearchofEnvironmentalSciencesVol.18,No.6,2005DOI10.13198/j.res.2005.06.70.liujb.016Q(CODCr)[50mgPL,Q(BOD5)[10mgPL;56(DB44P26-2001),Q(TP)[015mgPL,Q(NH4+-N)[10mgPL112,1,1Fig.1Theflowchartofverticalflowconstructedwetlandsystems,,,,415h,,2211,--,,,,,11Table1Wastewatertreatmentmechanismsoccurringinconstructedwetlands;;,UV;;;(P);();();2122003729,2003981920043174,22Table2TheabilitytoremovepollutantbyacidhydrolysismgPLQ(CODCr)Q(BOD5)Q(TP)Q(NH4+-N)215121513410162003-07-291004151431614P%53156611-1168-54178640110871582003-09-08452711619117P%47163215-4911-20191841916114211172003-09-191171015012115125P%361446148512301339010231231172004-03-172736215312524185P%303817115621162:¹CODCrBOD5,,,º,Q(NH4+-N),,»Q(TP)696:,,Q(TP)21320037,1,,,,22Fig.2Performanceofshiyanconstructedwetland21311CODCrCODCr(2(a)),Q(CODCr)650mgPL,50mgPL,56(GB18918-2002)A,,,,CODCrQ(CODCr),8610~25012mgPL,Q(CODCr),,Q(CODCr)(r=01371),,Q(CODCr),CODCrCODCr,6(200312),Q(CODCr),CODCr,,20042,,CODCr,,,21312BOD5BOD5(2(b)),Q(BOD5)10mgPL,56(GB18919-2002)ABOD5CODCr,BOD5CODCr21313TP(2(c)),Q(TP),1108~5134mgPL,Q(TP),,110mgPLTP9916%,,Q(TP),Q(TP)(r=-016851),,[5-7],,21314NH4+-NNH4+-N(27018(d)),60%,NH4+-N,,Q(NH4+-N),Q(NH4+-N)(r=017386),NH4+-N,3a1,CODCr30%~5315%;BOD53215%~6611%,,b1,c156(GB18918-2002)A,d1,CODCr,BOD5,NH4+-NTP,:[1]AmeliaKivaisl.Thepotentialforconstructedwetlandsforwastewatertreatmentandreuseindevelopingcountries:areview[J].EcolEng,2000,16:545-560.[2],,.[J].,2002,13(2):224-228.JiGuodong,SunTieheng,LiShun.Constructedwetlandanditsapplicationforindustrialwastewatertreatment[J].ChineseJournalofAppliedEcology,2002,13(2):224-228.[3],,.[J].,2001,23(3):70-72.XuChunhua,ZhouQi,SongLeping.Applicationofconstructedwetlandinagriculturalnon-pointsourcepollutioncontrol[J].ChongqingEnvironmentScience,2001,23(3):70-72.[4]Cooper,PF,GreenMB.ReedbedtreatmentsystemsforsewagetreatmentintheUnitedKingdom[J].WaterSciTechnol,1995,32(3):317-327.[5]MclatcheyGPKR.Regulationoforganicmatterdecompositionandnutrientreleaseinawetlandsoil[J].JEnvironQual,1998,27(5):1268-1274.[6]SyersJK,HarrisRF,ArmstrongDE.Phosphatechemistryinlakesediments[J].JEnvironQual,1973,2:1-12.[7]HarterRD.Adsorptionofphosphorusbylakesediments[J].SoilSciAmProc,1968,32:514.(责任编辑潘凤云)(上接第43页)ChenKaining.StudiesonbiologyandecologyofPotamogetonpectinatusLanditsapplicationforecologicalrestorationinDianchiLake[D].Nangjing:NanjingInstituteofGeographyandLimnology,ChineseAcademyofSciences,2003.[5].[D].:,1995.ZhouHong.Studyonecologicalthresholdofmacrophytebynetphotosyntheticrate[D]Beijing:PekingUniversity,1995.[6].[M].4.:,2002.201-205.StateEnvironmentalProtectionAgency.Waterandwastewatermonitoringmethods[M].4thed.Beijing:ChineseEnvironmentalSciencePress,2002.201-205.[7],,,.[J].,2002,28(3):253-255.JiXianling,GaiYingping,MouZhimei,etal.Effectofchitosanonphysiological-biochemicalcharactersofmulberryseedsgerminationandseedling[J].ActaSericologiaSinica,2002,28(3):253-255.[8].[M].:,1983.YanSuzhu.AcollectionofillustrativeplatesforChinesemacrophytes[M].Beijing:SciencePress,1983.(责任编辑孔欣)716: