复合垂直流人工湿地对不同氮污水的净化吴振斌

复合垂直流人工湿地对不同氮污水的净化吴振斌1,徐光来2,周培疆1,2,贺锋1,成水平1,付贵萍1,马剑敏1(1.,　430072;　2.,　430072)　:、,。,,,TN、,;,TN、,、;,TN,。。:;　;　:X171.1　　:A　　:1003-6504(2004)-0030-04　　(CW)、、,,,,,,,[1]。CW2070,。“”,、。CW,,,,,,,[2]。,、、,-。,-。,CW。1　1.1　复合垂直流人工湿地处理系统(IVCW)“”,、(ERBIE18CT960059)。IVCW,,。,10cm。:(39925007);“”“”(2002AA601021);(KSCX2-SW-102):(1978-),,,。。1:1　　　1m×1m,0.45m,0.55m,(Cannageneralis),(Acorustartarinowii)。1.2　运行条件,(11、12、1)。,,。,COD45.833mg/L,TP0.224mg/L,TN2.928～4.518mg/L,pH7.58～8.99,6～10℃。,800mm/d,8,2h。1.3　分析测试9∶00～11∶00。8,,7,。、、、pHColeParmer60648、pH,UC-12;、、[3]。2　2.1　IVCW对天然湖水氮的净化效果IVCW2:TN46.51%;·30·　　　　　　　　　27　　20048　　　　　DOI:10.19672/j.cnki.1003-6504.2004.s1.01234.18%;27.49%;97.12%。2　IVCW2.2　添加硝酸钾后不同态氮的去除率3,,。TN、42.30%～77.06%85.87%～95.54%,,。3　TN、　　,、N2O、N2。,,;,,,。,,,。,35.34%～58.42%,(1.630～2.975mg/L)。4　2.3　添加碳酸铵后不同氮的去除率、。pH8.5,,[4-5],。,TN、,。、5,6,。,,0.505～0.737mg/L0.060～0.181mg/L,,。　　3、5、TN,、。2.4　添加尿素后不同态氮的去除率(),TN,TN51.831mg/L。,,7,8。　　,、(NO-2、NO-3),N2ON2。6、8,,,。,;。·31·　,。2.5　不同污水条件下系统进出水理化参数1　()CondpHDOTDS3414047.997.646.171.441591913547.977.111643807.791.991784918.796.362313717.811.611784257.734.572013787.391.21178　　。,,。、。pH,。,。,[6]。(TDS)、[7]。、,。3　IVCW,TN。,,,。,,IVCW。[8]。,,。、,、,,[9-11]。、IVCW。-,,、-。[][1]　,.[J].,1996,15(6):516-522.[2]　,,,.-[J].,2002,13(2):224-28.[3]　.()[M].:,1997.[4]　JVymazal,HBrix,PFCooper,etal.Removalmechanismandtypesofconstructedwetlands[M].Leiden:BackhuysPublish-ers,1998,17-66.[5]　AJvanOostrom.Nitrogenremovalconstructedwetlandstreatingnitrifiedmeatprocessingeffluent[J].Wat.Sci.Tech,1995,132(3):137-147.[6]　,,.[J].,2002,13(2):224-228.[7]　..[M].:,2002.[8]　,.[J].,2002,13(6):719-722.[9]　PhilipAMB,AlexanderJH.Denitrificationinconstructedfree-watersurfacewetlandⅡ.Effectsofvegetationandtemperature[J].EcolEngin,2000,14:17-32.[10]BrixH.Functionsofmacrophytesinconstructedwetland[J].Wat.Sci.Tech,1994,29,71-78[11]WilliamJM,AlexJH,RobertWN.Nitrogenandphosphorusretentioninwetlands-ecologicalapproachestosolvingexcessnu-trientproblem[J].EcolEngin,2000,14:1-7.＊:、、、、、、、。(:2004-01-15;:2004-05-18)(下转第54页)·32·　　　　　　　　　27　　20048　　　　　　　,84%～89%,。。4　H2S—、,:(1)、、,0.148～0.151/μgH2S11mL,H2S。(2)—H2S98%～106%。(3)24h,,,24h,,,18h。(4)SO2、NOx,NOxH2SSO2,NOx。(5)H2S,84%～89%。[][1]　.[M].:,1989.[2]　.[K].:,1989.[3]　.[M].:,2003.(:2004-04-06;:2004-06-02)MethodStudyonDeterminationofGaseousH2SwithMethyleneBlueSpectrophotometrySUNJing,ZHUYan(HubeiEnvironmentMonitoringCentre,Wuhan430072)Abstract:ThebestlaboratoryconditionswereobtainedthroughdeterminationofgaseousH2Swithmethylenebluespectrophotometry,includingselec-tionofstandardsolutionandabsorptionsolution,stabilitytimeofchromomericagentandsamples,impactofSO2,NOxondetectionandabsorptionefficiency.Resultsindicatedthatthecalibrationcurveis0.148～0.151absorbency/ugH2S.11mL,standarddeviation0.0012,recoveryrateofsample84～89%.Keyword:methodstudy;H2S;gaseouspollutant(上接第32页)StudyonPurificationofDifferentNitrogenContaminatedWastewaterinIntegratedVerticalFlowConstructedWetlandWUZhen-bin1,XUGuang-lai2,ZHOUPei-jiang1,2,HEFeng1,CHENGShui-ping1,FUGui-ping1,MAJian-min1(1.InstituteofHydrobiology,ChineseAcademyofSciences,Wuhan430072;2.DepartmentofEnvironmentScience,WuhanUniversity,Wuhan430072)Abstract:Treatmentefficiencyofwastewatercontainingdifferentnitrogeninintegratedverticalconstructedwetlandwasstudiedbycompoundingintodifferentartificialsewagethroughaddingpotassiumnitrate,ammoniumcarbonateandureaseparatelytothenaturallakewater.Resultsshowedthatremovalefficiencyofinorganicnitrogenwasdecreasing.Thetransformationmechanismofnitrogeninconstructedwetlandsystemandchangeofphys-iochemicalparametersofwetlandsystemwerealsoanalyzed.Keyword:integratedverticalconstructedwetland;differentnitrogenwastewater;denitrificationefficiency·54·　　　　　　　　　27　　20048