NDA-150树脂对垃圾渗滤液生物处理出水的吸附

2008,28(12)1122~1126ChinaEnvironmentalScienceNDA150,*,,(,,200092)NDA150,.,pH,pH2.0.,,24hCOD(100mg/L);72h.Freundlich,,.,1.000gNDA150COD175.6mg/g,,NaOH120mL,99.8%.NDA150X705A10006923(2008)12112205NDA150resinforthepost-treatmentoflandfillleachateafterabiologicaltechnique.LIHong-jiang,ZHAOYou-cai*ZHUYing,ZHANGWen-hai(StateKeyLaboratoryofPollutionControlandResourceReuse,CollegeofEnvironmentalScienceandEngineering,TongjiUniversity,Shanghai200092,China).ChinaEnvironmentalScience,2008,28(12)1122~1126AbstractNDA150resinwasadoptedasadsorbentfortheremovaloforganicmattersfromleachatebiologicaltreatmenteffluent.ThepHofleachateinfluencedtheadsorptionrateonNDA150resingreatly,andtheoptimumpHwas2.0.StaticadsorptionexperimentsshowedthattheadsorptionwasfasterinthebeginningandtheCODoffinaleffluentwaslowerthan100mg/Lin24hours.Theadsorptionprocessreachedequilibriumin72hours,andcouldfitwellwithFreundlichequation.TheadsorptionprocesswasexothermalandexhibitedthefavorabilityoforganicmattersontoNDA150resin.ThebreakthroughcurveanddesorptioncurveshowedtheadsorptioncapacityofCODforNDA150resinwas175.6mg/g,anddesorptionpeakwaslumped.WhenvolumeofNaOHwas120mL,99.8%ofadsorbedorganicmattersweredesorbed.KeywordsNDA150adsorptionresinleachateagedrefuse,[13].COD[4](100mg/L).,.[58]..,,,,[915].NDA150(,),pH,,.11.1,,,pH7.6,CODBOD520080424*,[e-mail]12NDA1501123NH4+N226.66,3.25,14.31mg/L.1.2NDA150NDA150,,,(906.1m2/g)[16].2.5nm,529.2m2/g,0.336m3/g,0.4~0.6mm0.853mL/g.[9],NDA15017003421.79cm1,.()[17],,,,.NDA1508h,333K2h,.1.31.3.1pH0.100gNDA1508,300mL,100mLpH(H2SO4NaOHpH),pH1.0,2.0,3.0,4.0,5.0,7.6(pH),8.09.0,(DKYII),130r/min,24h.COD,pH.1.3.20.100gNDA15013(1),300mL,pH2.0100mL,.(4,8,12,24,36,48,72,108,156h),COD.1.3.3NDA1500.100g300mL,100mL45.33,90.66,136.00,181.33,226.66mg/L,pH2.0.288,303,318K,(,72h).COD(Ce),(1)Qe[18].0ee()VCCQM×−=(1):Qe,mg/g;C0COD,mg/L;CeCOD,mg/L;V,L;MNDA150,g.1.3.41.000gNDA150,(10mm,200mm),1.000gNDA1503.0mL.,,(pH2),15mL/h.(3.6h,54mL),COD.(GB168892008)[4](100mg/L),100mg/L.1.3.5NDA1500.05mol/LNaOH,1.0mL/min,COD(5min,5mL;50min10min).22.1pH,pH,[19].pH,[20].1,pHNDA150.pH,NDA150,14.2%;,pH,;,NDA150,pH2.0,61.81%.,.,,pH.,112428,NDA150.,,,NDA150,.pH2.0,,NDA150.,NDA150pH2.0.010203040506070012345678910pH(%)pH1pHFig.1AdsorptionrateindifferentpHvalue2.230507090110130150170190020406080100120140160(h)COD(mg/L)2030405060708090(%)COD2NDA150Fig.2KineticsadsorptioncurveofleachateonNDA1502,COD.(24h),NDA150,COD100mg/L.,,72h,COD50mg/L.,NDA150,COD(100mg/L).2.3CeQe,NDA150(3).20406080100120140160180010203040506070Ce(mg/L)Qe(mg/g)288K303K318K3NDA150Fig.3EquilibriumadsorptionisothermsforleachateonNDA150resin1,FreundlichR20.985,NDA150Freundlich,.1LangmuirFreundlichTable1FittingresultswithLangmuirandFreundlichequationLangmuiraQ0R2eee/0.07970.0053CQC=+0.0665188.67920.9445eee/0.05110.0054CQC=+0.1057185.18520.9059eee/0.23880.0026CQC=+0.0109384.61540.9847FreundlichKF1/nR2logQe=1.4988+0.4114logCe31.53550.41140.9868logQe=1.4662+0.4033logCe29.25500.40330.9882logQe=0.8081+0.7804logCe6.42840.78040.99782Freundlich,.Freundlich,FreundlichKF,KF,12NDA1501125NDA150.3,NDA150,3KF,,.n1,NDA150.2FreunlichTable2VerificationofFreundlichequation(K)Ce(mg/L)Qe(mg/g)Qe(mg/g)1.822537.2672242.3607710.773376.3037777.1946423.59658104.6815109.75636.25754124.4816142.479828853.13882145.2309170.98312.0080238.7530640.5752513.0457882.4269174.9221626.1937109.184107.158942.75034133.0326135.98730362.06642154.6176162.05558.6631469.8817933.9201319.8632297.6569168.1047233.4981120.570599.8545246.4837137.6011132.253631864.3389156.8762159.78312.420406080100120020040060080010001200(mL)COD(mg/L)4NDA150Fig.4AdsorptionbreakthroughcurveofleachateonNDA150COD226.66mg/L,pH2.0,,15mL/h,4.918mL,COD100mg/L,NDA150(4),1.000gNDA150COD175.6mg/g.,,pH2.0.pH.2.55,NDA15020mL,.,NaOH120mL,COD175.2mg/g,99.8%,NDA150.0100020003000400050006000020406080100120(mL)COD(mg/L)5NDA150Fig.5DesorptioncurveonNDA15033.1pHNDA150.,.pH2.0,,61.81%.3.2,(24h),NDA150,COD100mg/L.,,72h.3.3NDA150Freundlich,,.3.4,112628918,NDA150,1.000gNDA150COD175.6mg/g.,.NaOH120mL,99.8%.[1]ZhaoYouCai,LiHua,WuJun,etal.Treatmentofleachatebyaged-refuse-basedbiofilter[J].JournalofEnvironmentalEngineering,2002,128(7):662668.[2].[D].:,2005.[3],.[J].,2006(6):5861.[4]GB16889-2008[S].[5]HeaveyM.Low-costtreatmentoflandfillleachateusingpeat[J].WasteManagement,2003,23(5):447454.[6]ImaiA,OnumaK,InamoriY,etal.Biodegradationandadsorptioninrefractoryleachatetreatmentbythebiologicalactivatedcarbonfluidized-bedprocess[J].WaterResearch,1995,29(2):687694.[7]KargiF,PamukogluMY.Simultaneousadsorptionandbiologicaltreatmentofpre-treatedlandfillleachatebyfed-batchoperation[J].ProcessBiochemistry,2003,38(10):14131420.[8]KurniawanTA,LoWH,ChanGYSDegradationofrecalcitrantcompoundsfromstabilizedlandfillleachateusingacombinationofozone-GACadsorptiontreatment[J].JournalofHazardousMaterials,2006,137(1):443455.[9]LiuFuQiang,XiaMingFang,YaoSanLi,etal.Adsorptionequilibriaandkineticsforphenolandcresolontopolymericadsorbents:Effectsofadsorbents/adsorbatesstructureandinter-face[J].Journalo