UASBAOUFNF工艺处理生活垃圾焚烧厂渗滤液

UASB+A/O+UF+NF工艺处理生活垃圾焚烧厂渗滤液*宋灿辉1胡智泉2肖波2(1.,310005;2,430074):采用UASB+A/O+UF+NF工艺处理生活垃圾焚烧厂渗滤液,工程规模为150m3/d,工程总投资500万元,运行成本为25元/t;污泥处理工艺过程为:(剩余污泥+厌氧污泥)浓缩脱水焚烧工程设计进水水质指标为(COD)=50000mg/L,(BOD5)=25000mg/L,(NH3-N)=600mg/L,(TP)=15mg/L,(SS)=9000mg/L,出水主要水质指标为(COD)50mg/L,(BOD5)15mg/L,(NH3-N)10mg/L,(TP)027mg/L,(SS)4mg/L,补充到电厂循环冷却水中回用,不但实现了垃圾焚烧污水零排放,还有着较好的经济和环境效益:渗滤液;UASB;A/O膜生物反应器;NFTREATMENTOFLEACHATEFROMMSWINCINERATIONPLANTWITHUASB+A/O+UF+NFPROCESSSongCanhui1HuZhiquan2XiaoBo2(1HangzhouJinjiangGroup,Hangzhou310005,China;2InstituteofEnvironmentalScienceandEngineering,HuazhongUniversityofScienceandTechnology,Wuhan430074,China)Abstract:UASB+A/O+UF+NFprocessisusedtotreattheleachatefromaMSWincinerationplant,whosedesignedload-ingis150m3/d,withaninvestment5millionYuan(RMB),andtheoperationcostis25Yuanperton.Sludgedisposalprocessis:concentrationdehydrationincineration.Thedesignedinfluentqualityis:(COD)=50000mg/L,(BOD5)=25000mg/L,(NH3-N)=600mg/L,(TP)=15mg/L,(SS)=9000mg/L.Thesystemeffluentqualitywas:(COD)50mg/L,(BOD5)15mg/L,(NH3-N)10mg/L,(TP)027mg/L,(SS)4mg/L.Thee-ffluentisreusedasrecirculatingcoolingwaterofathermalpowerplant,itnotonlyrealizesthewastewaterzerodischargeatMSWincinerationplant,butalsohastheconsiderableeconomicandenvironmentalbenefits.Keywords:leachate;UASB;A/Omembranebioreactor;NF*(20876066)1,,,,,,21000t/d,,,48h,12%,20%[1],140t/d,12t/d,150t/d,500,131,,,40201022811pH4~565~85(SS)/(mgL-1)900030/80030(COD)/(mgL-1)5000060(BOD5)/(mgL-1)2500030(NH3-N)/(mgL-1)60010(TP)/(mgL-1)15UASB,UASB30,60%COD,UASBA/O,,95%COD,,GB/T19923-2005-1UASBA/O,,75%,2441调节池,,,[2],20m15m45m,,,,5~6m3/(hm2),42UASBB/C2mg/L(COD)(BOD5)(NH3-N)(SS)15000025000600900030000150004809000/%404020023000015000480900021000120004323600/%302010603UASB210001200043272084006000432432/%60500405A/O840042004324326722102143/%929595906NF67221021435316104/%929250907/%998999939839995045,UASB,UASB,UASB100m100m75m,;15m3VFApHpHNaOHHCl,,,,pH,UASB,COD5kg/(m3d),175m3/(m3d),55m,HRT4dUASB,22g/LUASB,343A/O膜生物反应器A/O[3],4120102281,,,,A:50m60m50m;B200m60m50m;,10~15g/L,COD03kg/(kgd),005kg/(kgd),NORIT,533m252mm,,,,,,,,,003mCOD,A/O,,,,,,,,1%,,,22A/O44NF系统A/O,,(COD)500mg/L3000,,,(),GEDK3,3,,,,3333/MPa/%/d/aCOD/%/%10~1585%45~75380~9040~6051000t/d150t/d,4/,t25/t,50~200/,tGB/T19923-200560/t15/t,591/a,1t90kg,18900kJ/kg800/t,112/,t,600(COD)100mg/L,COD26946t/a,,,,(46)42201022818945%,22膜组件造价,20~60mL,500mL,,,,932/m2(150~450/m2)3,,,,,,,,,,,14+15012+150545L/(m2h)650L/(m2h),,35,[1],,,.[J].,2005(6):37-41.[2].[J].,2007(3):15.[3],,,.[J].,2007,24(5):37-39.[4].[J].,2007,24(12):70-71.[5]KuberkarVT,DavisRH.Modelingoffoulingreductionbysec-ondarymembranes[J].JMembraneSc,i2000,168(1-2):243-258.[6],.[J].,2006,26(4):66-69.[7]KisoY,JungYJ,IchinariT,eta.lWastewatertreatmentper-formanceofafiltrationbio-reactorequippedwithameshasafiltermaterial[J].WaterRes,2000,34(17):4143-4150.[8]AlaviMaghaddamMR,SatohH,MinoT.Effectofimportantop-erationalparametersonperformanceofcoarseporefiltrationactiva-tedsludgeprocess[J].WaterSciTechno,l2002,46(9):229-36.[9]SeoGT,MoonBH,LeeTS,eta.lNon-wovenfabricfiltersepa-rationactivatedsludgereactorfordomesticwastewaterreclamation[J].WaterSciTechno,l2002,47(1):133-138.[10]ChuLB,LiSP.Filtrationcapabilityandoperationalcharacteris-ticsofdynamicmembranebioreactorformunicipalwastewatertrea-tment[J].SepPurifTechno,l2006,51(2):173-179.[11],,,.-[J].,2008,30(5):47-50.[12],.[J].,2004,25(3):[e-mail](010)628491092009-03-02(42)[1],.[J].,2002,3(5):9-11.[2].[J].,1996,17(2):41-44.[3],.A/O[J].,2008,40(3):[e-mail]2009-04-294620102281