广州垃圾填埋渗滤液中有机污染物的去除效果周少奇

,(,　510640):,CODCr131mg·L-1,7mg·L-1,.GC-MS,87,16EPA,31,1480%,2550%.:;;;:X705　:A　:0250-3301(2005)03-0186-06:2004-07-04;:2004-10-08:([98]278);(2002C32108);(98-k-005-01);:(1965～),,,.InvestigationonRemovalofOrganicPollutionsinLandfillLeachateinGuangzhouCity,ChinaZHOUShao-qi,YANGZhi-quan(CollegeofEnvironmentalScienceandEngineering,SouthChinaUniversityofTechnology,Guangzhou510640,China)Abstract:AsetofsimultaneousoxicandanaerobicbioreactorwasusedtotreatthelandfillleachategeneratedfromDatianshanLandfillinGuangzhou,China.TheresultsdemonstratethattheaverageeffluentconcentrationofCODandNH+4-Nwas129mg·L-1and10mg·L-1respectively,bothofthemcanbecontrolledbelowtheChinesesecondgradedischargepermitlevels(CODCr300mg·L-1、NH+4-N25mg·L-1)forthiskindofwastewater.Moreover,theGC-MSanalysiswasusedtomeasuretheorganicpollutantscontainedinlandfillleachate.87kindsoforganicmattersinthiskindoflandfillleachateweredetectedanddiscovered,and16ofthembelongtothelistofenvironmentalprioritypollutantswhichisconsideredbyEPAinUSA.Asaresult,31kindsoftotally87kindsoforganicpollutantswerecompletelyremoved,14kindsoftotally87kindsoforganicpollutantswereremovedmorethan80%,theremovalefficienciesof25kindsoforganicpollutantsreachedover50%.Keywords:landfillleachate;organicpollutant;removal;componentdetection　　、,.4km[1].,60m[2].,.,,R.Robin[3]1992,.,[4～6],,、,、、、、、、,,..CODBOD,,.Chiang[7]、、,COD90.3%80.1%,,.,[8～10],.-[11],,GC-MS,.26320055　　　　　　ENVIRONMENTALSCIENCEVol.26,No.3May,2005DOI:10.13227/j.hjkx.2005.03.0381　1.1　、、、-、,1.,,5～10,.1　-Fig.1　Diagramofsimultaneousoxicandanoxicbio-reactor　　-、UASB,,0.6m3,.、,[12～14].1.2　、...CODCr:;BOD5:;:-;:GC-MS.1.3　GC-MS(1)　HP5890ⅡGC/5972MSD;;;;(2)　,(3)　2,1L,2,2,,,2～3mL,,1mL.(4)　-:HP5890ⅡGC/5972MSD;:DB-5(30m×0.25mm×0.25μm);:,2.0mL/min,39.3cm/s,68.95kPa;:280℃;:280℃;:80℃4℃/min290℃(30min);:(EI);:1600eV;:50eV;(m/z):50～500u.2　Fig.2　Theanalysisprocessoforganicpollutantinleachate2　2.1　(、、、、).(、、、、、、)60.72%～63.57%,(、、、、)12.41%～15.26%,(、、、、、)21.17%～24.02%.(19992002)1.1,3BOD51873　　　　　　CODCr,,.1　Table1　ThemajorpropertiesofDatianshanLandfillLeachate-NH+4-N/mg·L-11041～3554pH6.0～9.0TP/mg·L-111.7～17.2/mg·L-14039～22072SS/mg·L-1845～5836CODCr/mg·L-13775～68050CODCr/NH+4-N1.8～32.1BOD5/mg·L-11035～11250BOD5/CODCr0.30～0.652.2　2.2.1　CODCr.,,2a,,,(5).3,CODCr,1000～3300mg·L-1,2199mg·L-1,,,CODCr131mg·L-1,(CODCr300mg·L-1),CODCr94%,.,3,,CODCr300mg·L-1,-,,.3　CODCrFig.3　CODCrconcentrationforinfluentandeffluentanditsremovalefficiency2.2.2　4,,,80～230mg·L-1,163mg·L-1.,7mg·L-1,95%,(NH+4-N25mg·L-1).4,,、,(、、、).,,,.,-,.2.3　2.3.1　GC-MSGC-MS,5.,,,,;,/,,.,/.188　　　　　　264　Fig.4　NH+4-Nconcentrationforinfluentandeffluentanditsremovalefficiency5　Fig.5　Tocfigure2.3.2　(),,,.,.2.GC-MS87,、17,28,6,4,、17,、7,4,4.2,-,.9EPA“”C[5],:、、、、、、、、1893　　　　　　　　2　GC-MS/%Table2　GC-MSanalysisresultaboutorganicpollutantafterandbeforeremovingrefuseleaching/%0.681002-1.650.9853.241.491006-(1,1-)-2,3--1,1--1H--4-1.780.1792.481.451.5420.640.131001.181001.260.4273.762.362.5610.161,2--1,1,6-1.650.3782.351.441.7310.531,3-0.261001.952.542.732-0.321001.951.5656.532-0.151002.782.278.725--11--1.310.2585.023.072.6312.821.890.2390.452.861.7853.53N-2--N-1H-6-2.100.4583.183.294.077.571-α-3.310.8180.794.733.7156.323.311.0176.283.313.7811.461.491003.882.0157.053,3,5--17.133.4484.255.042.2862.411.260.6361.014.141002--8-2.311.4451.381.360.3570.012-(1,1-)-1,4-0.141000.201002.971.5658.840.501001.910.9660.620.320.1737.922-1.210.6855.740.560.09280.800.601003--1H-0.380.2620.763,3,5--3.730.3193.491.05100(1,1-)-2,5--1,4-0.540.3647.232.731000.371002.73100-4a,7,7---2(1H)1.260.5565.69β-0.0671000.811001.380.2083.095--4--2-0.71-100N-2.170.3680.641,2--1,2,5--3H-2.331.6245.370.510.2167.88N,N--3--0.301009-0.0651004-1.952.0019.390.201002,6-(1,1-)-4-0.350.3521.931,2,4-0.281004-(1,1,3,3-)0.630.3853.350.0421004,4′-(1-)1.570.5672.014-2.961.3564.281-(1,5--4-)-4-1.310.4163.513,4--4-1.790.2782.41N--4--2.581.0767.480.541002--3-0.511002(3H)-0.441001,2-(2-)0.610.6220.492--5--0.680.1967.311,2-1.351.1135.555-1.650.3277.362,4,8,10-[5,5]0.410.3925.5310-0.131002--1,7,7--[2,2,1]2.112.0324.68-4-en-0.281002,3-1.160.4172.173--1.041004-1.331.0339.032,6,10,15,19,23--2,6,10,14,28,22-3.061.2567.95190　　　　　　26.2,,,,.,,,.,、、、、、、EPA[15,16].,.-,.2,31,1480%,2550%,1750%.,,,CODCr.3　(1),CODCr3775～68050mg·L-1,BOD51035～11250mg·L-1.(2)-,CODCr94%,131mg·L-1,95%,7mg·L-1,.(3)GC-MS87,16,.(4)87,31,1480%,2550%,CODCr.:[1]　BoyleWC,KhamR.Chemicaltreatmentofleachatefromsanitarylandfills[J].JWPOF,1974,46(7):1776～1791.[2]　MikacN,DjikiyaAN.Assessmentofgroundwatercontaminationinthevicinityofamunicipalwastelandfill[J].Wat.Sci.Tech.,1998,37(8)∶37～44.[3]　RobinR,etal.Organicprioritypollutantsingroundwaterandsurfacewateratthreelandfillinnorthcentralflorida[J].Water.AirSoilPollut.,1992,65(3/4):307～322.[4]　,.[J].,1996,18(4):41～43.[5]　,,,.[J].,1998,18(2):184～188.[6]　BenfenatiE,PorazziE,BagnatiR,etal.Organictracersidentificationasaconvenientstrategyinindustriallandfillsmonitoring[J].Chemosphere,2003,51:667～683.[7]　ChiangLC,ChangJE.Electrochemicaloxidationcombinedwithphysical-chemicalpret