ICALR工艺处理生活垃圾焚烧厂渗滤液的研究王罕

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IC-ALR,,,,(,213125)[](IC)—(ALR)。,,IC,,,12dIC。,COD10.8g/L,COD86%,8.3~9.0mmol/LVFAIC。[];;;[]X703.1[]A[]1005-829X(2015)07-0076-05StudyonthetreatmentofleachatefromdomesticrubbishincinerationplantbyIC-ALRprocessWangHan,HanYing,LeChen,HuZhen,ZhangHuaiyu(JiangsuWELLEEnvironmentalCo.,Ltd.,Changzhou213125,China)Abstract:Theleachatefromdomesticrubbishincinerationplanthasbeentreatedbyanewtypeofinternalcircula-tionanaerobic-airliftloopreactor(IC—ALR)process.Theresultsshowthatduringtheloadrisingperiod,thefastriseoforganicloadingcouldcauseacidificationoftheICreactor.Thereactorcanberestartedbyreducingtherun-ningloadandincreasingthealkalinity.Then,ICreactorcanresumeitsnormaloperationin12days.Duringstableoperationperiod,whentheinfluentCODis10.8g/L,theCODremovingratereaches86%.The8.3-9.0mmol/lofVFAofeffluentdoesnothaveadverseeffectonthestablerunningofICreactor.Keywords:leachate;internalcirculationanaerobicreactor;airliftloopreactor;acidification〔1〕。,,3~7d,,、,COD30~80g/L;,TN2g/L,NH4+-N1g/L;,B/C0.4,VFA5g/L〔2〕。、。UASB(UBF)+SBR(CASS、A/O)+〔3-5〕。(IC)—(ALR),。11.1()。COD24.8~35.1g/L,NH4+-N0.82~1.12g/L,pH3.94~5.62,TP12~32mg/L,VFA5.23~7.42g/L,BOD513.2~15.6g/L。,。COD〔6〕,pH〔6〕,NH4+-NTP〔6〕,(VFA)〔7〕。1.2ICALR,1、2。IC(35±2)℃,6L(),90mm,107mm。IC6L。ALR7.5L。ALR35720157IndustrialWaterTreatmentVol.35No.7Jul.,201576(25±2)℃。PB-607,,DO1.5~2.0mg/L。(240s,1560s)ALR,。ALR100min,20min。,ALR,ALR,。1,SV3020%~30%。1IC2ALR1.3ICIC,。0.8~1.5mm,TSS68.6g/L,90%,2L。ALR,MLSS4g/L,2.5L。2IC,,,COD1000mg/L,NaHCO3。,6L/d,3~5d1。IC,1—23;24—79;80—89。2.12.1.1COD7d,IC,3dCOD75%,,。,(),,,,,COD。4—7,COD1500mg/L,COD,7,COD93.7%,,。8,COD1500mg/L,,,,COD。,(),COD3152mg/L,COD300mg/L,COD85%。IC。2.1.2pHVFA,pH5.22~6.95,,pHpH,,(5g/L),VFA,2015-07,35(7),:IC-ALR77pH。,,,VFA,5.0mmol/L。,VFA2mmol/L。,VFA3.5~4.5mmol/L,COD,,,0.5kg/(m3·d),VFA,VFA。2.22.2.1CODICCOD3。3ICCOD8(24—32),ICCOD85%。,COD5328mg/L,COD1058mg/L,1681mg/L,COD70%,,VFA9.2mmol/L,pH5.7,。,IC“”。:(1)334.00kg/(m3·d)5.33kg/(m3·d),33%,。(2)、,,VFA5~7g/L,,,CODVFA。,、COD、〔7〕。5d,,COD70%,IC(pH7.5~8.0)。3,3kg/(m3·d)3d,COD900mg/L。COD5220mg/L,COD566~816mg/L,COD86%,。12kg/(m3·d),COD。72—76,COD2148mg/L4231mg/L,COD65%。,5d,COD,2500mg/L,COD80%。VFA12mmol/L,pH,。IC12.12kg/(m3·d),,COD。,。,。10.8kg/(m3·d),,10d。(80—82),COD,2000mg/L。,COD,1450mg/L,COD86%,。IC,。2.2.2pHVFAICpHVFA4。4ICpHVFA2015-07,35(7)78,IC,,pH。4,,pH。,VFA,VFA5.6mmol/L9.8mmol/L,pH6.625.74。7(44),pH7.12,。,pH。50,pHpH。COD12.2kg/(m3·d),pH6.5。,pH7.52~8.04。,,VFACOD。12kg/(m3·d),VFA12mmol/L。,,VFA,8.3~9.0mmol/L。VFA,pH7.5。〔8〕,pH,VFA,VFA。,VFA(8.3~9.0mmol/L),IC。3ALR3.1IC36,。7.5LALR2.5L。4d,COD1000mg/L,5L/d,5。5ALRCOD5,4d,COD428mg/L86mg/L,。40,,ICALR。5,、、IC,ALRCOD170.5mg/L,3d,COD340.5mg/L。ALRCOD750~930mg/L。:(1)。,,,,ALR。(2)〔9〕。ALR,,。,。,IC,(、),,,COD。,45—50,COD250mg/L。62—67,COD1200~1600mg/L。62—65,ALRCOD387~486mg/L,,ALR,ALR。ALR,,,,COD。66、67,COD,COD610.5、545.6mg/L,500mg/L〔10〕。5L/d3L/d。ALR,70,COD328mg/L。,71,ALRCOD2148mg/L,,71—80,COD2500~4300mg/L。71—73,ALRCOD400mg/L,COD,COD80%。ALR,,COD550~700mg/L,。2015-07,35(7),:IC-ALR79ALR。80—89,IC,ALRCOD1400~1700mg/L,COD430mg/L,COD77%。,ALR。3.2IC50,ALR,66ALR6,50—53,(85%)。ALR,,DO(COD,250mg/L),DO,。。61—67,150g/(m3·d)311g/(m3·d),38.4~51.3mg/L。,3L/d,200g/(m3·d),,(71—79),480~800mg/L,HRT,,245mg/L〔10〕。80—89,IC,ALR350~500mg/L,35mg/L,91%。,ALRICCODNH4+-N,,ALR。4(1),IC,10.8kg/(m3·d),COD86%,pH7.52~8.04,VFA8.3~9.0mmol/L。(2)IC“”,,12d,COD86%,VFA6.4mmol/L。(3)ALRCODNH4+-N《》(CJ343—2010)B。IC—ALR,。[1],,.[M].:,2006:123-124.[2].[J].:,2012,12(2):49-51.[3],,.UASB+A/O+UF+NF[J].,2010,28(1):40-46.[4].[J].,2004,22(5):30-32.[5],,,.[J].,2012,28(10):77-79.[6].[M].4.:,2002:102-281.[7],,,.IC[J].,2007,23(24):95-97.[8].[M].:,2003:140.[9],,.SBR[J].,1996,22(6):26-28.[10].CJ343—2010[S].:,2010.———————————[](1988—),,。:15851993323,E-mail:epat_whan@163.com。[]2015-04-29()2015-07,35(7)80

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