地下渗滤系统处理农村生活污水的研究郑彦强

4　10环境工程学报Vol.4,No.10201010ChineseJournalofEnvironmentalEngineeringOct.2010郑彦强1　卢会霞1　许　伟1　孙红文1＊　付学起1　杨树生2　李　桐2(1.,,300071;2.,300074)　　2,。10cm/d,50t/d。、、,5∶2∶2∶1。,CODC/N,COD、、、、,《》A;,2。,。　　　COD　　　　　X703　　　A　　　1673-9108(2010)10-2235-04StudyonruralsewagetreatmentbysubsurfaceinfiltrationsystemZhengYanqiang1　LuHuixia1　XuWei1　SunHongwen1　FuXueqi1　YangShusheng2　LiTong2(1.KeyLaboratoryofPollutionProcessesandEnvironmentalCriteria,CollegeofEnvironmentalScienceandEngineering,NankaiUniversity,Tianjin300071,China;2.FarmlandWaterConservancyDivision,TianjinWaterConservancyBureau,Tianjin300074,China)Abstract　TwoparallelsubsurfacewastewaterinfiltrationsystemswerebuiltatavillageinWuqingDistrict,Tianjin,andtheircapacitytotreatruralsewagewasobserved.Thehydraulicloadingofthesystemwas10cm/d,withtotal50t/dtreatmentcapacity.Soil,shale,slagandtwodifferentnaturalorganicmaterialswerechosenastheactivepackingmedia,formingartificialsoilwiththeproportionof5∶2∶2∶1insequence.Undertheunfavor-ableconditions(lowcarbonandlowerratioofcarbontonitrogen),COD,totalphosphorus,ammounianitrogen,to-talnitrogenandtotalsuspendedsubstanceswereallremovedeffectively,andtheeffluentmettheAleveloftheFirstStandardofDischargeStandardofPollutantsforMunicipalWastewaterTreatmentPlant.Forspecificcontam-inationfactors,thetwosystemswithdifferentnaturalorganicmaterialshadvariedtreatmentefficiencies.Tosum-mary,thesubsurfacewastewaterinfiltrationsystemissuitableforruralsewagetreatmentandisapromisingtech-niqueinthefuture.Keywords　subsurfaceinfiltrationsystem;ruralsewage;COD;totalphosphorus;ammonianitrogen;totalnitrogen;totalsuspendedsubstances:“、、”(0703030):2009-08-05;:2009-08-18:(1985～),,,。E-mail:[e-mail]＊,E-mail:[e-mail]　　,,[1,2]。,[3],,,;、、,;。,,。[4],,,,:,;,;,[5]。4,,。1　1.1　,1(V/V)∶∶∶=5∶2∶2∶1;2∶∶∶=5∶2∶2∶1。1,,,,,;,。10cm/d。,,。1　Fig.1　Flowchartofwastewatertreatmentprocess1.2　2,,20cm,,;70cm;;。2　Fig.2　Structureschemeofthesubsurfacewastewaterinfiltrationsystem1.3　2008820097,,1。,2。COD、TP、、TN、SS。COD(GB/T11914-1989);(GB/T7479-1987);-(GB/T11894-1989);TP(GB/T11893-1989);(GB/T11901-1989)。2　2.1　COD3,COD40～110mg/L,70.35mg/L,;1236.0%41.4%。,12COD43.45mg/L40.32mg/L,《》A。3　CODFig.3　ComparisonofCODininfluentandeffluentCOD[6],COD,;,[7]。。[8,9],[8];,,,,;,,。。2.2　,、[5,10]。[11,12],Ca2+、223610:A13+、Fe3+[12],,,。4,,,120.23mg/L0.28mg/L。《》A。4　Fig.4　Comparisonoftotalphosphorusconcentrationsininfluentandeffluent2.3　5,123.24mg/L2.27mg/L,60.6%71.1%。,A,。5　Fig.5　Comparisonofammonianitrogenconcentrationsininfluentandeffluent,,[13];[14]。,[14,15]。12,。,,2,。2.4　6,128.19mg/L5.53mg/L,57.3%70.61%。C/N,;,,。6　Fig.6　Comparisonoftotalnitrogenconcentrationsininfluentandeffluent12,21,,C/N,[15]。,C/N,,,。,[16,17]。2.5　,,7,,,123.81mg/L4.26mg/L,85.2%83%[18,19]。3　　(1),COD、、、、,A,223747　Fig.7　Comparisonoftotalsuspendedsubstancesconcentrationintheinfluentandeffluent。。(2),21,,;1、2,,。(3)COD;,,;,,,。,,。(4),,;,。。[1],,,..,2009,25(4):6～9[2],,,..,2008,33(4):5～8[3],..,2008,24(18):1～4[4]SunT.H.,HeY.W.,OuZ.Q.,etal.Treatmentofdo-mesticwastewaterbyundergroundcapillaryseepagesys-tem.Ecol.Eng.,1998,11(1～4):111～119[5],..:,1991.251～270[6],,,..,2008,28(7):656～660[7],,,..,2007,30(10):53～57[8],,,..,2007,26():375～378[9],..,1997,16(2):6～9[10]AulenbachD.B.,NieM.S.Studiesonthemechanismofphosphorusremovalfromtreatedwastewaterbysand.J.WPCF,1988,60(12):2089～2094[11]SakadevanK.,BavorH.J.Phosphateadsorptioncharac-teristicsofsoils,slagsandzeolitetobeusedassubstratesinconstructedwetlandsystems.WaterRes.,1998,32(2):393～399[12].[].:(),2006[13],,./.,2007,30(8):16～18[14],,,.-.,2009,3(2):223～228[15],,,..,2002,22(5):438～441[16]DongZ.Q.,SunT.H.Apotentialnewprocessforimpro-vingnitrogenremovalinconstructedwetlandsPromotingcoexienceofpartialnitrificationandANAMMOX.Ecol.Eng.,2007,31(2):69～78[17]ParedesD.,KuschkP.,MbwetteT.S.A.,etal.Newaspectsofmicrobialnitrogentransformationsinthecontextofwastewatertreatment—Areview.Eng.LifeSci.,2007,7(1):13～25[18],,,..,2007,29(7):517～524[19],,,./.,2006,22(8):70～732238