UASB处理酒精废水生产运行研究杜兵

UASB杜　兵1　齐文钰1　申立贤1　杨瑞宗2(1.,　100037;2.,　262119)　:2700m3UASB,。,SS10000mg/L,7～12kgCOD/(m3·d),2～5d,COD90%,COD5000mg/L,SS2500mg/L。:UASB;;;AFu11-scaleThermophilicUASBProcessforTreatmentofAlcoholWastewater/DUBing1,QIWen-yu1,SHENLi-xian1,YANGRui-zong2/(1.BeijingMunicipalResearchInstituteofEnvironmentalProtection,Beijing100037,2.ShandongJingzhiWineFactory,ShandongAnqiu262119)Abstract:Thestart-upperformanceandgranularsludgeformationofa2700m3thermophilicfull-scaleUASBreactorfortreat-ingalcoholwastewaterweredescribedinthispaper.UndersteadyconditionandinfluentSSof10000mg/L,thevolumetricCODloadingcouldreach7～12kgCOD/(m3·d)withHRTof2～5daysandCODremovalrateover90%。Keywords:UASBreactor;thermophilicanaerobicfermentation;alcoholwastewater;granularsludge　　。,COD30000～60000mg/L,SS10000～20000mg/L。。。,“(UASB)”,,。1　　　,(1.5t/a),(4t/a)。,。:　　:1999-01-12(600m3/d),,400m3;40m3;750m3。、、、、,,。1。2　:、。1。UASB。UASB1040～1340m3,COD30t,SS12t。COD85%,,。:(1)。,5～7,75%,14　ChinaBiogas1999,17(2)1　(m3/d)(℃)pHBOD5(mg/L)COD(mg/L)SS(mg/L)4004075011904～4.54～4.56～76150006000080001210038000800001500024900180007000600010000UASBdddd(750t/)(40t/)(600t/)(4800t/)1　50%。。(2)。,。。(3)pH,,,,,。(4)UASB10,3950m3,2700m3。(5)UASB,,,。(6)UASBBOD,600～900mg/L,BOD/COD0.2。《》(GB8978-1996)(COD100mg/L),(3800m3/d)。3　19968,19971UASB,8kgCOD/(m3·d),COD90%,COD3800mg/L,SS2500mg/L。19979UASB,,,,19996。:,。。3.1　污泥驯化培养期(1):104#5#。19968,,17g/L。,,,。40℃,4#5#0.1～0.3kgCOD/(m3·d),52℃,2kgCOD/(m3·d),。:4#5#,8,。,10～21g/L,20g/L。(2)15　ChinaBiogas1999,17(2):29℃52℃,1.5℃。:,,,,。4～6m3/h。,,。VFA200mg/L,pH7.2,COD80%,。3.2　负荷提高期2kgCOD/(m3·d)[7～12COD/(m3·d)]。4,3,2。2　UASB()　(·)(kgCOD/(m3·d))HRT(d)COD(mg/L)　(%)SS(mg/L)　(%)VFA(mg/L)9.30～10.102.022.545000--22200102595-10.11～10.203.513.945610373092212002150906410.21～10.284.710.04662436889225020--4610.30～11.35.510.058191384193---4611.20～11.256.17.042958360892255742260917611.27～12.157.08.65558339369327455225796451.2～1.78.17.358366--30222269091931.8～1.208.27.056425467391318042994902.25～3.70.763.94442223829524511544941753.8～3.131.138.74326415709617596114693543.14～3.192.325553901353982214080296373.20～3.263.017.5482622290961700586195173.27～4.104.511.44954921219617772202788444.11～5.17.05.33909634029211461235879755.2～6.77.15.53887738219012582212175783.3　满负荷运转期19975,,,,,COD(90%)。,8kgCOD/(m3·d)。19994,,,,。UASB。4　4.1　反应器的稳定性UASB,2200～2900mg/L,,3,12kgCOD/(m3·d),,。4.2　污泥颗粒化,,,,,。,,1～5mm,,。4.3　产气量,,7000～10000m3,2.6～3.7m3/(m3·d)。,,。4.4　发酵温度52℃,。,40～50℃,16　ChinaBiogas1999,17(2)。4.5　反应器停运,,,,,。5　,。5.1　pH及VFA的控制pH。,pH7.0～7.2,VFA200mg/L。pH4.0,。,pH7.0,。,,,。,。5.2　温度连续性的控制,±2℃/d,,。5.3　投配负荷的控制,。6　(1),:7～12kgCOD/(m3·d),COD85%～96%;SS10000mg/L,SS2500mg/L,89%;BOD23585mg/L,BOD825mg/L,BOD97%;2.3m3/(m3·d)。(2),UASB,,,。(3)UASB()2～4g/L,,10g/L,,SS85%。:[1]　,,.UASB.,1993;11(4):1～5　　,。,、、,。10%～20%,,,,。,,,。,。,,,。,、、、、,。,,;,,。,,,7～10。,;2～3,,。(重庆合川市科协　罗林钟)17　ChinaBiogas1999,17(2)