搜索
:,,1980,,3(No.20177014);(No.20020247020),,;,,PVA,11,1,COD90%80%,1,..,1997,60(2):22272,..,1999,89(2):353,,..,2000,20(12):584AhmedT.Theuseofindependentlysealedendmicroporoushol2lowfibermembranesforoxygenationofwater.J.ofMembraneScience,1992,69:1205PierreC,Jean2LueB.Bubble2freeaerationusingmembranes:processanalysis.JouralWPCE,1988,60(11):198619926,..,2004,35(3):117,,..,1997,16(9):288,,..,2000,16(12):159..:,1989:(:2005203215)3(,20092),TOCTPTNP,,;,,,;,PChemicalcompositionchangeinleachatewiththetreatmentprocessfromLaogangLandfillLouZiyang,ChaiXiaoli,NiuDongjie,ZhaoYoucai.(StateKeyLaboratoryofPollutionControlandResourceReuse,TongjiUniversity,Shanghai200092)Abstract:LeachatesampleswerecollectedfromeffluentsgeneratedinvarioustreatmentunitsusedatLaogangLandfillatMarch,2003,whereanaerobic,anoxicandaerobicprocessesweresequentiallyused,andtheseleachatesamplesweregradi2entlyseparatedbyaseriesofmembraneswithvariousporosities.Meanwhile,theparameters,suchasTOC,TP,TN,NH32N,orthophosphate,inthefiltratesresultedfromgradientfiltrationoftheeffluentsweredetermined,andtherelationshipsbetweentheseparametersandthemembraneporositysizeswerequantitativelyco2related.ItisfoundthatthetreatmentprocessinLaogangLandfillseemstobeeffectiveinsomedegreetotheremovalofthepollutantsinleachate,andtheelementaldistribu2tioninleachateisalsoanalysed.TheleachatecompositionofTOCdistributionindifferenttermschangedwiththetreatmentprocess,amongwhichthepercentageofTOCinfinecolloidsfractionincreasesandthatindissolvedfractiondecreases,astheleachateistreatedbythetreatmentunites,possiblyduetothehydrolysisofmacromoleculesintomiddle2andmicro2molecules.Itispredicatedthatdissolvedfractionpredominatesinleachate,andthephenomenonthatthePinleachateiscombinedwiththesuspendedparticleandthecoarsecolloidswasalsofound.Keywords:LeachateLaogangRefuseLandfillMembraneseparationColloid:[15],,,222344泊星石[6],;[712],GC2MS,HPLC,,,,,,,,,Laine[5],,,,,,,(1120m)(0.451.20m)(0.45m1000u)(1000u),,11.1,,,SCM(1),,,0115MPa,0125MPa1SCM1.;2.;3.;4.O;5.;6.;7.;8.;9.;10.;11.,:112m(,,);0145m(,0145m);10311u()112CNP,:TOCTNTPP[13]:2;TOCTNMultiN/C3000TOC2VCPH/CPN;TPP113,22,,200332211,11,,CODTOCTNTP,,COD3773mg/L,,,TOC/COD0129(TOC,)0135013201290119,;pH;,N,80%90%212TOC3,44427620059泊星石(mgL-1)54651151931200077443773TOC/(mgL-1)16232543838392312745/(mgL-1)3143289420742053808TN/(mgL-1)39523018210320741366P/(mgL-1)16179199.92.72.7TP/(mgL-1)25.413.611.85.43.8/(104scm-1)2.812.102.062.141.65pH7.137.277.758.078.66/1000600550500400/NTU174911351007930674:TOCMultiN/C3000,TOC2VCPH/CPN3TOC,TOC,,,,:TOC16%,0,6%,78%;TOC7%,8%,8%,77%;,TOC19%,12%,4%,65%;,TOC8%,6%,36%,50%;,TOC15%,0,38%,47%:TOC,50%;,,,,,,213TN45,TN,TN3952mg/L,3018210320741366mg/L,:3143289420742053808mg/LTN[14],,N,80%90%,,TN60%70%,60%70%,N,:,,pH,,;N,,N,,,,544泊星石[15],TPP,2514016178mg/L,P112m,TP,TP131501118051363184mg/L,,P85%,PP:PP,CaMg,PP,P6TP644276200597P,,P,0145m,P,P13106mg/L,P1mg/L,P,,,P,TPP,66%73%8316%50%70%3,TOC,90%;TOC,50%;CNP(21571561,10622111,10151781,14483841,9813591),10051,N,,,P,0145m1,.A2/O.,2001,17(11):13162,..,2000,26(10):9143,..,2002,15(2):32344LeahyG,ShreveS.Theeffectoforganiccarbononthesequentialreductivedehalogenationoftetrachloroethyleneinlandfillleachates.Wat.Res.,2000,34(8):239023965LaineJM.Ultrafiltrationoflakewater:Effectofpretreatmentontheportioningoforganics,THMFPandflux.JourAWWA,1990,82(12):82876,,..,1997,23(6):3333357NannyA.Characterizationandcomparisonofhydrophobicneutralandhydrophobicaciddissolvedorganiccarbonisolatedfromthreemunicipallandfillleachates.Wat.Res.,2002,36:157215848KaiserK.Thecompositionofdissolvedorganicmatterinforestsoilsolutions:changesinducedbyseasonsandpassagethroughthemineralsoil.OrganicGeochemistry,2002,33:3073189BenfenatiE.Comparativestudiesoftheleachateofanindustriallandfillbygaschromatography2massspectrometry,liquidchrom2atpgraphy2nuclearmagneticresonanceandliquidchromatogra2phy2massspectrometry.JournalofChromatographyA,1999,831:23425610BenfenatiE.Identificationoforganiccontaiminantsinleachatesfromindustrialwastelandfills.TrendsInAnalyticalChemistry,1996,15(8):30531011CaronF.High2performanceliquidchromatographiccharacteriza2tionofdissolvedorganicmatterfromlow2levelradioactivewasteleachates.JournalofChromatographyA,1996,739:28129412FranzJG.StructuralinvestigationofisolatedaquaticfulvicandhumicacidsinseepagewaterofwastedepositsbyPyrolysis2GasChromatography/MassSpectrometry.Wat.Res.,1997,31(7):1609161813..:,198914LiX,ZhaoQ.Efficiencyofbiologicaltreatmentaffectedbyhighstrengthofammonium2nitrogeninleachateandchemicalprecipi2tationofammonium2nitrogenaspretreatment.Chemosphere,2001,44:374315..4.:,2001:(:2005204209)744