氨基酸发酵废水的厌氧生物处理研究亓平言

Vol.24No.81998371　　　　1(pH=6)+2(pH=6)+3pH=1pH=6+4pH=1pH=6+5亓平言祝万鹏叶伟杨志华[]本文研究了异亮氨基酸生产中发酵废水的厌氧生物处理。在静态试验的基础上用上流式厌氧污泥床反应器(UASB)进行了动态试验研究,试验结果表明了该发酵废水厌氧生物处理的可行性,COD去除率80%。其工艺条件为:温度35±1℃,停留时间10h,最大有机负荷8kgCOD/(m3·d),沼气产生率6.3L/kgCOD。[]氨基酸废水厌氧生物降解上流式厌氧污泥床反应器1,,。COD,mg/L,,CODmg/L。,。。。,,。UASB,,,,,,,。、1。COD3mg/L,10,,,。,4(1),。,2(a,b)。:①;②,,。3、4,pH,。2,(2a),4。(2b),,pHDOI:10.13789/j.cnki.wwe1964.1998.08.011Vol.24No.8199838(:g/L)3Cl-0.857SO2-40.795PO3-40.097NH3-N1.26K+0.233Na+-2a5mL+5mL2b20mL。2。CODCOD2。、。3。(UASB)1610mm,11L;80mm,5.5L;210mm,5.5L。、、。,UASB。,,,、,,,,。,、,,100d。35±1℃,1.1L/h。,。3。、,20d20d,。,,4。①5,,,,3CODCOD22a2b1234512345COD(mg/L)101384492465251619761670192017301872COD(%)75.769.964.962.610058.535.726.64.491.7Vol.24No.819983945COD6COD参考文献[1],《》,,,1991。[2],《》,,1991。[3],,《》,,1990。[4],“UASB”,《》,1990,10(5):343。[5],《》,,1992。:100084:[phone]:1997-12-12COD1kg/(m3·d),8.5L。②pH,,。COD。6COD。,COD1kg/(m3·d),350mg/L(CaCO3)。③。,COD15000mg/L,COD。④NaCl。1gNaCl4～5d,COD85%,40L/d。、①。NaCl,,,(1g/L),COD。②(UASB)。③COD5～7mg/L,COD15000mg/L,UASB。④COD10000mg/L,85%;15000mg/L,75%。。Vol.24No.819984WATER&WASTEWATERENGINEERING　Vol.24No.8August1998Abstract:Anexperimenthasbeenconductedonafullscaleactivatedsludgeprocesswithcapacityof20thousandcubicmetersperdayoperatingunderstatusofhighactivatedsludgeconcentrationwithcontinuousinflowandbatchaeration.TheresultshaveshownthatmeanwhilewithnormalCODre-moval,about80%oftotalnitrogenandhighpercentageoftotalphosphoruswasremoved.Sotheau-thorsthinkthatitcouldbeoneofprocessmostsuitableforPandremovalfromurbanwastewaterinthiscountry,especiallyappropriateincasetoreformanexistingwastewatertreatmentplant.Somepointsrelatedtobatchaerationsuchasthevariationpatternofwaterparametersandtheselectionofstirringmeasuresarediscussed.BriefonConstructionofSewerSysteminDevelopmentZoneDingXiaoyuan(22)………………ApplicationofTandemRegulationinStreamingCurrentCoagulationControlYangWandongetal(25)…………………………………………………………………………BalancingHydraulicCalculationofExitingDistributingNetworkGaoNaiyunetal(27)…………TreatmentandReuseofCoachWashingDischargeforHighSpeedRailwayJiangJinhuietal(29)…………………………………………………………………………………………………NewsonIndustrialWastewaterTreatmentinUSALiHongwang(32)……………………………UnbalancedFlowrateinWaterCirculatingSystemLongBingtian(34)……………………………StudyonUASBTreatmentofFermentationWastewaterofIsoleucineProductionQiPingyanetal(37)……………………………………………………………………………………………　　Abstract:Theanaerobicbiologicaltreatmentofwastewateroffermentationfromtheprocessofisoleucineproductionisstudiedinthispaper.Bastedonthestaticexperiment,adynamicexperimentisproceededwithaupflowanaerobicsludgebed(UASB)reactor.TheexperimentalresultsshowthatthebiologicaltreatmentofwastewateroffermentationisfeasibleandtheCODremovalefficiencyismorethan80%.TheProcessconditionsarethat,thetemperatureis35±1degreeCelsius,thehy-draulicretentiontime(HRT)is10h,thegreatestorganicloadis8kgCOD/m3·dandthegasproduceratiois6.3L/kgCOD.TheImprovementofSwimmingNatatoriumDesignWangQingxi(40)……………………………　　Abstract:Facingtothehighinvestmentandoperationfeeofmostswimmingandplaying