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李海明1,吴锦兰1,贾晓玉1,王博1,郑西来2(1,300457;2,266071):,2,,,,,20~24h;,,,;,,,;,,,:;;;;;;:X143:A:10016791(2008)03033906:20070723:(40602029);:(1971-),,,,,Email:lhm99044@163com,,,[1][2][1],NH+4Ludvigsen[3]MnNH+4Christensen[4]NH+4,,NH+4;NH+4100cm,NO-3[5,6];[1],,,,,,,(),[7~10],,(),;,,,,,,,,,19320085ADVANCESINWATERSCIENCEVol19,No3May,2008转载(mgL-1)/(mgL-1)pH864CODCr8072DO006BOD54495TDS4145TP85Cl-8685TN1756(CaCO3)1722NH3N1391,24h11Cl-TDSNH+4(CODCrBOD5)12,,,0~10m1~10m,,2(FN1)(FN2),60,,22Table2Mechanicalcompositionandmajorcharacteristicsofselectedwaterbearingmediab/(gcm-3)s/(gcm-3)n/%(0075mm)/%FN11541960430110004636FN2156198042291001074013131胶体的制备,500g2L,1L,;,,045m,132胶体浓度的测定(1)(2)050100200300500700mL259mg/L(1134mg/L)25mL,10mL,,,,(12)2Fig2Calibrationcurveforcolloidsofgrayclay(FN2)1Fig1Calibrationcurveforcolloidsofyellowclay(FN1)(3)34019中国科技论文在线:2nm~3m;106~109cm2/s;(1%~2%);(1%~2%);15mW;5~75!;05~3mL;1~2min134胶体表面电性特征测定90PlusParticalSizeAnalyzer,:-150~+150mV;10nm~30m;2%;2%;15mW,660nm;6~74!;15mL;1~2min14141氨氮吸附动力学曲线的测定,50mL0346mg/L11(1368mg/L),250mL2mL,,1min3min10min20min1h2h4h8h16h20h24h,(02m)142氨氮的吸附等温线50mL0085mg/L6(3084mg/L)6,0512345mL,,24h,(02m),,2213NH+4Fig3Dynamiccurvesforammonianitrogenadsorbedbythecolloid3,,,20~24h,;34,NH+42245,,,,,,854851,,,,,,3413:中国科技论文在线胶体粒度特征的影响,,:,;,;,,6;(7)7Fig7Colloidparticlesizeaccumulateioncurves6Fig6Colloidparticlesizedistributioncurves6,,1918nm4263nm,,2587~1571nm,2176nm,0306;26281~67214nm,4286nm,0031;,,(D50)50%,50%,50%(7),(D50)1918nm,4263nm;,,,,,;,NH+4232胶体表面电性的影响,cm/(sV)8989,;-21465~+22302mV,-3455mV;-1555~+1615cm/(sV),-25cm/(sV);-23911~+23911mV,34219中国科技论文在线~+1732cm/(sV),0cm/(sV);,,,,,,9Fig9Electrophoreticmobilitydistributioncurvesforcolloid8Fig8Potentialdistributioncurvesforcolloidzeta()3(1),,20~24h;,(2),,,,,,(3),,,:[1],,,.[J],2004,23(3):503-507(WENXiaole,XIALijiang,XUYaping,etalEffectsofleachateonammonianitrogenabilityinsoilnearbyamunicipalwastelandfill[J]JournalofAgroEnvironmentScience,2004,23(3):503-507(inChinese))[2],,,.[J],2001,20(2):108-110(XIALijiang,XULixiao,WENXiaole,etalNitrogencontaminationofgroundwateroriginatedfromurbanlandfillleachate[J]AgroEnvironmentalProtection,2001,20(2):108-110(inChinese))[3]LUDVIGSENL,ALBRECHTSENHJ,HERONG,etalAnaerobicmicrobialredoxprocessesinalandfillleachatecontaminatedaquifer(Grindsted,Denmark)[J]JContamHydrol,1998,33:273-291[4]CHRISTENSENTH,BIERGPL,KJELDSENPNaturalattenuationafeasibleapproachtoremediationofgroundwaterpollutionatlandfill[J].GWMR,2000,20(1):69-77[5],,.[J].,1995,6():40-47.(WANGCao,HAOZhenchun,RUANXiaohong.Analyticsolutiononthetransportequationofleachingcontaminantsofrefuseinsoil[J].AdvancesinWaterScience,1995,6(SpecialIssue):40-47.(inChinese))[6].[J].,1997,8(2):176-182.(WANGCao.Experimentalstudyofnitrogentransportandtransformationinsoils[J].AdvancesinWaterScience,1997,8(2):176-182.(inChinese))[7]GERARDOS,VLADIMIRC,ANTONIOCSpatialmomentsforcolloidenhancedradionuclidetransportinheterogeneousaquifers[J]AdvancesinWaterResources,2007,30(1):101-112[8]THOMASB,PETERF,THORSTENK,etalColloidandheavymetaltransportatlandfillsitesindirectcontactwithgroundwater[J]Water3433:中国科技论文在线(14):2776-2786[9]TUSHARKS,KARTICCKReviewonsubsurfacecolloidsandcolloidassociatedcontaminanttransportinsaturatedporousmedia[J]AdvancesinColloidandInterfaceScience,2006,119(2):71-96[10],.[J],2005,37(2):129-135(LIUQingling,XUShaohuiColloidfacilitatedtransprtofcontaminantsinsubsurfaceenvironment[J]Soils,2005,37(2):120-135(inChinese))AdsorptionofammonianitrogeninlandfillleachateonthecolloidsofbeachwaterbearingmediaLIHaiming1,WUJinlan1,JIAXiaoyu1,WANGBo1,ZHENGXilai2(1Water&SoilEnvironmentPollutionControlLaboratory,TianjinUniversityofScience&Technology,Tianjin300457,China;2InstituteofEnvironmentalScienceandEngineering,OceanUniversityofChina,Qingdao266071,China)Abstract:OnthebasisofthefieldinvestigationofammonianitrogencontaminatedbylandfillsintheTianjinshallowgroundwater,tworepresentativewaterbearingmediaweresampledintheTianjincoastalplain,andtheirandcolloid∀smajorphysicochemicalpropertieswereanalyzedrespectivelyThedynamiccurvesandisothermsofammonianitrogenadsorptiononthecolloidofwaterbearingmediaweremeasuredandtheinfluenceofparticlesize,zeta()potentialandelectrophoreticmobilityontheadsorptionwereevaluatedTheresearchresultsshowthatthekineticsofammonianitrogenadsorptiononthecolloidisthelogarithmiccurve,andtheequilibriumperiodoftheadsorptionlastsfor20-24hours,andalltheadsorptionisothermsarestraightInaddition,ItisfoundthecolloidsreleaseouttheammonianitrogenratherthanadsorbtheaqueousammonianitrogenwhentheammonianitrogencontentislowerthanacertainvalueThesmallercolloidparticleis,thestrongertheadsorptivecapacityofammoniumiononco