IC厌氧反应器处理垃圾渗滤液王涛

96Vol．9No．620156ChineseJournalofEnvironmentalEngineeringJun.2015IC121*11111.2141222.30045035±1℃ICCOD、、、。60d300m3/d17.7kgCOD/m3·d3.7dCOD80%VFA1500mg/L1kgCOD0.42m32.0～5.0m/h、8∶1～20∶1。67.5～96.0m/h0.3～1.0mm74%。ICX703A1673-9108201506-2899-06TreatmentoflandfillleachatebyICanaerobicreactorWangTao1LiBaogui2ＲuanWenquan1HuangZhenxing1MiaoHengfeng1ＲenHongyan1ZhaoMingxing11．SchoolofEnvironmentalandCivilEngineeringJiangnanUniversityWuxi214122China2．TianjinBinhaiNewAreaHuanhanComprehensiveTreatmentofSolidWasteCo．Ltd．Tianjin300450ChinaAbstractInternalcirculationICanaerobictreatmentoflandfillleachatefromTianjinDagangGarbageIn-cinerationPlantwasinvestigatedunderconditionof35±1℃．Thereactorwasoperatedcontinuouslywithstep-wiseincrementsinvolumeloadingrateVLＲuntillimitingconditionwasreached．TheremovalefficiencyofCODvolumeloadingrateVLＲbiogasproductionandsludgegranulationwereresearched．Therefluxratioandup-flowvelocitywereinvestigatedfortheoperationofreactor．ＲesultsshowedthatthereactorworkedstablyandeffectivelyforCODremovalandgasproduction．Theinfluentreached300m3/dthevolumeloadingrateVLＲreached17．7kgCOD/m3·dandhydraulicretentiontimewas3．7dCODremovalefficiencycouldbemorethan80%after60daysstart-upoperation．ThevolatilefattyacidVFAconcentrationofeffluentwaslowerthan1500mg/Ltheaveragebiogasproductionratecouldbe0.42m3/kgCODtheoptimizedconditionofsuperficialliquidupflowvelocitywas2.0～5.0m/handrefluxratiowas8∶1～20∶1underthesameconditions．Afterstartupanaerobicdigestionsludgeappearedgranulationobviouslythevalueofgranularset-tlingvelocitywasfrom67.5m/hto96.0m/handthegranularsludgesizesrangingfrom0．3mmto1．0mmcouldreach74%．KeywordsICanaerobicreactorlandfillleachategranularsludgeupflowvelocityrefluxratio2014－04－132014－06－051984—。[e-mail]*[e-mail]8%～10%203020504.095.28t1、2。、、3-7。Borzaccani8UASB+ＲBCCOD18500mg/LBOD510500mg/LNH3-N1500mg/LUASB80%CODKenndy9UASBUASB9COD71%～92%UASBCOD77%～91%10UASB25～30℃50dUASB10kgCOD/m3·dCOD70%90d。、、、UASB、MBＲ11-13ICinternalcirculationanaerobicrector3。IC、、。11．130%3～4d300m3、COD50000～65000mg/LBOD525000～30000mg/LNH3-N1500～2200mg/LTN1700～2600mg/LTP35～60mg/LVFA3500～12800mg/LpH4～6。1．2ICMLVSSMLSS0.58MLVSS27.8g/L400t85%。1ICFig．1ProcessflowsheetofICanaerobicreactor00926IC1．3IC22.5m8.0m1000m3。35±1℃。。1．4COD14SS、VSS14103～105℃、600℃VFA14VOCsVOCsVOCspH141.25、1．0、0．9、0．7、0．5、0．30．1mm105℃、。22．1311、1∶1100m3/h2m/h2d2dCOD50000～65000mg/L25.0±0.2kgCOD/m3·d7dCOD80%3210～20m31.0～2.0kgCOD/m3·dCOD1～2dCOD80%。53d5kgCOD/m3·d17.7kgCOD/m3·dCOD80%31COD80%1500mg/L1kgCOD0.42m31m320～25.2m32。60d17.7kgCOD/m3·d。Govahi15UASBCOD45000～90000mg/L5kgCOD/m3·d3dCOD71%。16UASB80d82d5kgCOD/m3·dCOD50%。UASBIC、。1Table1OperationparametersofanaerobicreactorunderdifferentconditionskgCOD/m3·dHＲTdCOD%dQ=100m3/d4．93～5．181178．6～90．17Q=120～300m3/d6．22～17．73．7～9．273．1～92．053Q=300m3/d15．23～17．73．780～92．530Vup=0.5m/h～6m/h16．2～17．73．772．5～89．460QVup。109292Fig．2Changesofinfluentquantityandbiogasproduction3CODCODFig．3Influent/effluentCODconcentrationandCODremovalrate2．2VFAVFA。pH6.5～7.8VFApHpH6.5。4VFA3500～12800mg/L25dVFA841mg/L4804mg/LVFAALK0.5COD74．3%25d。25dVFA6017.7kgCOD/m3·dVFA966mg/LpH7.61COD90.4%。VFA300～1201mg/LALK9000mg/LCOD6500mg/LCOD85%。VFA/ALK0．14Bohdziewicz3COD2800～5000mg/LALK4600～7900mg/L2d2.5kgCOD/m·dVFA/ALK0.30.16～0.25。ICBohdziewicz30.16～0.25VFA/ALK0．160．5。4VFAFig．4Changesofinfluent/effluentVFAconcentration2．316-20。IC0.5m/h30m3/h。SV3040%、。。60d。20926IC0．3mm10%0.3～0.5mm54%0.5～1.0mm20%1mm5%67.5～96.0m/h。、、pH、、N、P、S2122UASB20gCOD/L·d1～3mm100%COD10%。IC35±1℃IC1mm。2．4、。300m3/d17±1kgCOD/m3·d0．5、1．0、2.0、3.0、4.0、5.06.0m/h2∶1、4∶1、8∶1、12∶1、16∶1、20∶124∶17dCOD。0.5m/h30m3/h。2CODpH6．95～7．049520～9796mg/L。2．0m/h80%5.0m/h。2．0～5．0m/h8∶1～20∶1。2Table2Characteristicsofupflowvelocityandoperationparameters1234567m/h0．51．02．03．04．05．06．0/2/14/18/112/116/120/124/1pH6．986．976．957．016．997．047．02mg/L9520960097729496979696789680COD%78．780．385．685．986．575．462．5SSmg/L68．870．974．080．180．2284．8432．831IC17.7kgCOD/m3·d3.7d1kgCOD0.42m3。2COD6500mg/LCOD85%VFA1500mg/LVFA300mg/LVFA/ALK0.5。360d0.3～1.0mm74%1mm5%。42．0～5．0m/h8～20。1．WSIP．2008341016-21LiuYaliZhangZhiDuanXiuju．Nitrogenremovalfromleachatebywithoutbiomassretentionsequentialintentifypretreatment．TechnologyofWaterTreatment2008341016-21inChinese2．．19878580-843BohdziewiczJ．NeczajE．KwarciakA．Landfillleachatetreatmentbymeansofanaerobicmembranebioreactor．De-salination20082213559-565309294AgˇdagˇO．N．SponzaD．T．Anaerobic/aerobictreatmentofmunicipallandfillleachateinsequentialtwo-stageup-flowanaerobicsludgeblanketreactorUASB/completelystirredtankreactorCSTＲsystems．ProcessBiochemis-try2005402895-9025YangZhiquanZhouShaoqi．ThebiologicaltreatmentoflandfillleachateusingasimultaneousaerobicandanaerobicSAAbio-reactorsystem．Chemosphere200872111751-17566AzizS．Q．AzizH．A．YusoffM．S．etal．Leachatecharacterizationinsemi-aerobicandanaerobicsanitarylandfillsAcomparativestudy．JournalofEnvironmentalManagement201091122608-26147LiangZhuLiuJunxin．LandfillleachatetreatmentwithanovelprocessAnaerobicammoniumoxidationAnammoxcombinedwithsoilinfiltrationsyste