UASBOrbal氧化沟工艺处理垃圾渗滤液

UASB/Orbal殷琨1,秦俊芳2(1.江苏省姜堰市环境保护局,江苏姜堰225500;2.江苏省姜堰市环境监测站,江苏姜堰225500):采用UASB/吹脱塔/Orbal氧化沟(投加粉末活性炭)处理垃圾渗滤液,对COD去除率高,脱氮效果明显一年多的运行实践表明,处理出水水质稳定,各项指标均达到国家排放标准:垃圾渗滤液;厌氧处理;投粉末炭法;Orbal氧化沟:X703.1:C:1000-4602(2006)12-0074-04LeachateTreatmentUsingUASB/OrbalOxidationDitchProcessYINKun1,QINGJunfang2(1.JiangyanEnvironmentalProtectionBureau,Jiangyan225500,China;2.JiangyanEnvironmentalMonitoringStation,Jiangyan225500,China)Abstract:AnUASB/strippingtower/Orbaloxidationditch(dosingPAC)processisusedforrefuseleachatetreatmen.tMorethanoneyearpracticaloperationshowsthatCODandnitrogenremovalefficienciesarehigh.Theeffluentqualityisstable.Allparametersoftheeffluentreachthenationaldischargestandard.Keywords:refuseleachate;anaerobictreatmen;tPACmethod;Orbaloxidationditch,25hm2,374104m3,14.5a,600t/d,!,,500m(∀)1渗滤液的特性及处理要求SSC/N5apHCODBOD5(BOD5/COD),;5apH,CODBOD5(BOD5/COD),NH3-N,11Tab.1LeachatequalityandeffluentstandardinQianbaoRefuseLandfillSitepHCOD/(mg#L-1)BOD5/(mg#L-1)SS/(mg#L-1)/(mg#L-1)6~8500020006006006~83001502002510-1~10-22处理工艺200m3/d,NH3-N,CODBOD5SSNH3-N94%92.5%67%95.8%NH3-NSS#74#第22卷第12期2006年6月中国给水排水CHINAWATER&WASTEWATERVo.l22No.12Jun.2006,OrbalNH3-N11Fig.1FlowchartoftreatmentprocessUASB,pH10.5,,,Orbal,,,,∃2700m3,3m2(N=7.5kW/),%UASB5kgCOD/(m3#d),200m3,24h,5.5m5.5m6.5m,COD40%,COD3000mg/LUASB0.04kg/kgCOD,24kg/d2m,60m3,&UASB,pH10.5~11.0,,0.5h,pH2(11),2(11,Q=10m3/h,N=1.0kW),pH1;(1),,Q=2.0m3/(m2#h),1.5h,2.5m2.5m6.1m,∋(10m3,,(H)3.3m6.0m,,,:Q=2.6m3/(m2#h),3600)1,3104m3/h,NH3-N600mg/L,60%,NH3-N240mg/L:FB2(11),DZ-121(Q=25000m3/h,N=5.5kW)∗COD,20min,2.0m3/(m2#h),4.0m2,(PAC)2(11),200mg/L+Orbal:NS=0.10kg/(kgMLSS#d),MLSS=4000mg/L,50d;1.4kgO2/kgBOD5,4.6kgO2/kgNH3-N;NH3-N240mg/L,48mg/L,NH3-N20mg/L;COD1580mg/L,COD180mg/L,89%,,30mg/La.720m3,86hb.4.0m,16.0m(4.0m)c.460m3,3.0m,65%;260m3,3.0m,35%d.()14.0kgO2/h,(4.05kgO2/h),9.80kgO2/h2(B=3m,N=7.5kW),12.0kgO2/h();2,N=2.2kW/;DO0.3#75#第12期殷琨,等:UASB/Orbal氧化沟工艺处理垃圾渗滤液第22卷mg/L,DO2(B=3m,N=4.0kW),6.5kgO2/h(),,,4.0m4.0m6.5m,60%~100%,2(11),0.6m3/(m2#h),3.5h−,5.0m2.0m1.0m,9.0m3,1.0h1(150g/h).30m3/d(97%),24h,30m3,4.0m,,,60m2/,2(11)/100m2(2,50m2/),,,12m23工艺特点∃COD,UASB,%pH,,pH,,,,,&pH11,90%pH,2h,85%,pH9~9.5,COD50%90%pH=1122.50666)1,NH3-N66.7%~82.5%,NH3-N∋PACT(PAC),PACT;;;;;;;OrbalOrbal,60%~70%,DO0(1(2mg/L,,TN88%,,44处理效果20033,150~180m3/d,6,6(7,pHCODBOD5NH3-NSS12(GB16889(1997),22Tab.2MonitoringresultpHCOD/(mg#L-1)BOD5/(mg#L-1)SS/(mg#L-1)NH3-N/(mg#L-1)6~85600208063058016007~8176422317.510-26~93001502002510-1~10-25运行过程存在的问题及对策711,34mg/L,COD162~220mg/L(10mg/L),DO0.2mg/L,,,(SV16%),;,DO,,,,,#76#第12期中国给水排水第22卷,10d25mg/L,COD,(300mg/L),,,150~200m3/d,COD,,,,10-2/L,,,,6经济分析0.55/(kW#h),0.30/(kW#h),0.42/(kW#h);29kW,3.48(kW#h)(200m3/d);7104m3/a;:(PAC)1800/,t200mg/L;250/,t6kg/m3;4800/,t30mg/L;1.2/(#a);3(,1.5);6000/a,1.46/m3,2.00/m3,0.26/m3,0.08/m3,0.08/m3,3.88/m37结语UASB//Orbal,,,;NH3-NOrbal,PACT(Orbal),,,,,:[1],.[J].,2000,26(10):9-14.[2],,.[J].,1994,(3):15-16.[3],,,.-[J].,1989,9(4):311-315.:[phone]:[phone]E-mail:[e-mail][e-mail]:2005-11-10##黑龙江省哈尔滨松北区污水处理厂工程工程内容:新建一座10104m3/d的污水处理厂和截流干管65km,中水回用管道46.7km,排入干管9km,中途提升泵站4座(5m3/s);工程投资:5075万美元;建设周期:2006年(2007年;项目单位:哈尔滨市松北新区开发建设管理委员会()#77#第12期殷琨,等:UASB/Orbal氧化沟工艺处理垃圾渗滤液第22卷