EGSB反应器处理模拟废水的试验研究王正扬

102徐州建筑职业技术学院学报Vol.10№.220106JOURNALOFXUZHOUINSTITUTEOFARCHITECTURALTECHNOLOGYJun.2010EGSB王正扬,刘春梅(,221116)　:通过EGSB反应器处理自配葡萄糖有机废水试验,探讨了EGSB反应器运行过程中各种参数的变化情况,分析了pH值、水力上升流速及厌氧颗粒污泥的性质,如粒径分布、沉降性能、污泥床膨胀情况、污泥中微生物相等因素对反应器运行效果的影响.:EGSB反应器;酒精废水;试验研究:TU821:A:1009-8992(2010)02-0046-04ExperimentalStudyonTreatmentofSimulatedWastewaterwithEGSBReactorWANGZheng-yang,LIUChun-mei(SchoolofMunicipalEngineering,XuzhouInstituteofArchitecturalTechnology,Xuzhou,Jiangsu221116,China)Abstract:BasedontheexperimentintotreatmentofglucosesyntheticorganicwastewaterwithEGSB(expandedgranularsludgebed)reactor,thispaperexploresthevariationsinvariousparametersinitsoperationalprocessandanalyzestheinfluencesonitsoperationaleffectsofpHvalues,hydraulicupflowvelocitiesandpropertiesofanaerobicgranularsludge,suchasgrain-sizedistribution,sedimentationca-pability,expansionrateofsludgebedandmicrobiofaciesinsludge.Keywords:EGSBreactor;acoholproductionwastewater;experimentalstudy:2010-03-30:2005(EGSB)(JYA305-04):(1977-),,,.E-mail:[e-mail]　　EGSB,EGSB,EGSB,EGSB.1　1.1　,,COD∶N∶P200∶5∶1,,[1-3].1,2.1　Tab.1　Componentofglucosesyntheticwater/g302.7300.8260.2000.500g7.375g0.800g10L1.2　UASB,TSS58.7g/L,VSS42.8g/L,VSS/TSS2白建国,等:刘湾水厂滤池反冲洗水回用试验研究47　　　0.73..2　Tab.2　Componentofmicroelementnutrientsolution1LFeCl2·4H2O400mgCoCl2·6H2O100mgMnCl2·4H2O20mgNEGSBl2·6H2O5mgHBO35mgZnCl22mgCuCl2·2H2O5mgEDTA1gNaMoO45mg36%HCl1mL1.3　1.1　EGSBFig.1　SketchofexperimentalEGSBreactor2　EGSBEGSB,、COD、pH、、、EGSB,.EGSB,EGSB,,EGSB,.2.1　,370mlEGSB,,COD1500mg/L,35℃.COD3180mg/L,,CODEGSB.,COD1500～3180mg/L,Vup0.31～2.95m/h.2.2　2.2.1　液体表面上升流速对EGSB反应器运行效果的影响　2882～3180mg/LEGSB、COD.3.3　EGSBTab.3　RunningperformanceofEGSBreactoratdifferenthydraulicupflowratesVup/(m·h-1)η/%COD/%COD/(kgCOD·m-3·d-1)0.313.6060.1434.120.4912.7268.7553.930.9828.5667.05107.86、1.3136.6084.62144.181.6458.6082.12180.511.9763.5676.38216.832.3072.8878.92253.142.6285.1674.13288.372.9596.3256.38325.452.2.2　pH值对反应器运行效果的影响　11pH,pHpH,pH,　.pHpH,pHpH(COD),2.48　　　徐州建筑职业技术学院学报102.2.3　产气量的变化　.,,20.4L/d,,COD3,4.2　CODpHFig.2　RelationcurvesbetweenCODremovingratesandpHvalues3　CODFig.3　RelationcurvesbetweengasproductionsandCODremovingrates4　Fig.4　Relationcurvesbetweengasproductionsandvolumetricloads34,COD,,;COD,,COD253.14kgCOD/(m3·d),,EGSBCOD.2.2.4　厌氧颗粒污泥的变化　、,..,、.,.,,,;;,;,,,[4-5].,、、TSSVSS.:(1).EGSB,,.,.,,,,.(2).EGSB,.EGSB,,,.,,、,[6].30d52d,5.5　、30d52dFig.5Diameterdistributionsofsludgegranularbeforeinoculationandafter30-dayand52-dayrunningofEGSBreactor,.,,0.6～2.0mm.2王正扬,等:EGSB反应器处理模拟废水的实验研究49　　　,.6.(3)..,,,.、30d52d,7.652d,Fig.6Contrastbetweendiameterdistributionsofupper-andlower-bedsludgegranularafter52-dayrunningofEGSBreactor7　、30d52dFig.7　Settlingvelocitiesofsludgegranularbeforeinoculationandafter30-dayand52-dayrunningofEGSBreactor4　Tab.4　ComponentchangesinanaerobicsludgeinEGSBreactoratdifferentperiodsTSS/(g·L-1)VSS/(g·L-1)VSS/TSS1d58.7142.630.72618d62.4353.710.86030d70.1258.910.84052d74.5262.320.8368　TSS、VSSFig.8　VaiabletendencyofTSSandVSSatdifferentrunningstages(4).,(TSS).(VSS),.VSS/TSS,,VSS/TSS0.7～0.9.,EGSBTSSVSS,4,8.3　:(1)EGSB.EGSB1.31～1.97m/h,,,144.18～216.83kgCOD/(m3·d),COD84.62%,.(2)pH.pH6.8～7.2,COD.pH,pH.(3).EGSB,,;,0.9～2.0mm;(TSS)、(VSS)...:[1]　,,.EGSB[J].,2002,20(4):3-7.[2]　.[J].,1996,14(1):1-5.[3]　,,.[J]..2002,33(5):495-497.[4]　,.[J].,2001,23(3):116-118.[5]　,,,.[J].,2001,22(3):30-34.[6]　,,,.[J].,1993,11(3):5-10.