高温厌氧处理酒糟废水影响颗粒污泥化的因素王瑞明

高温厌氧处理酒糟废水影响颗粒污泥化的因素王瑞明1,　马　霞1,　关凤梅1,　贾士儒2(1.,　250100;　2.,　300222)　:,,。:;　;　;　;　;　:X131　　:A　　:1003-6504(2002)04-0045-03　　450～500t,1998308t[1],4×108m3、4800t、COD220t。80%,,1t2600kg,500kg。,。。(UASB)。2080Lettinga[2],、,。,UASB、,、,、、[3]。,(EGSB)(AFB)[4]。UASB,。。UASB。:,,,[5]。1　、1.1　颗粒污泥的组成,:(1962-),,,,,20。。70%～90%。FeSCaCO3,FeS。(Methanothrix)。,。(Methanobrevibacter)。,。1.2　颗粒污泥的形态、、,0.5～5.0mm,5.0mm,。,,。,,,。[6],、。1.3　颗粒污泥的形成过程与机制,[7]:,,,100μm,();,,;,,。:,,,,,,。·45·　,DOI:10.19672/j.cnki.1003-6504.2002.04.0192　UASB。UASB,。,、pH、、、。2.1　酒糟废液的预处理4%～5%,COD46000～60000mg/L,、、、,、。,,。、COD20000～23000mg/L,EGSB1mm,78%,COD15kg/m3·d。2.2　反应器温度对颗粒污泥形成的影响(20～30℃)、(33～37℃)(50～55℃)。(55℃±1)。,,wiegant,160,109。,(Methanothrix),,。1～2℃,54～56℃。2.3　污泥负荷及挥发酸浓度对颗粒污泥形成的影响0.3kgCOD/kgVSS·d。,0.6～0.7kgCOD/kgVSS·d,。0.3～0.5kgCOD/kgVSS·d,,。Morvai。,。,。(VFA),VFA。VFA,VFA。,VFA,VFA。,,VFA。VFA200mg/L,。VFA。,VFA,,VFA90%,。,。2.4　水力负荷和气体上升速度对颗粒污泥形成的影响(UASB),0.25m3/m3·h。,、。,,[8]。,,。,[9]。2.5　惰性载体的作用,,,、(d≤0.1mm)、,,,,。。2%。2.6　其它不利于颗粒污泥形成与稳定的因素;;,。[][1]　.[M].:,2000.·46·　25　4　20027[2]　LettingaG,vanVelsen,HobmaAFM,etal.Useoftheupflowsludgeblanket(USB)reacterconceptforbiologicalwastewatertreatment,especiallyforanaerobictreatment[J].Biotchnol.Bioeng.[J].1980(22):699～743.[3]　AgrwalL,JayadevenJY,etal.UtilizationofDriedPel-letizedAnaerobicSludgeforAnaerobicTreatmentofWastewater[J].JournalofFermentationandBioengin,1997(1):91～95.[4]　.[M].:,1998.[5]　,,.[C]..2000,74～77.[6]　,,.[J].,1991,(2):1～5.[7]　,,.UASB[J].,1990,(3):7～11.[8]　.[M].:,1999.[9]　,,.[J].,1993,13(5):334～338.(:2001-11-22)(上接第44页)[13]　ThammachartM,MeeyooV,RisksomboonT,etal.CatalyticactivityofCeO2-ZrO2mixedoxidescatalystspre-paredviasol-geltechnique:COoxidation[J].CatalysisToday,2001,68:53～61.[14]　ArunaST,PatilKC.Combustionsynthesisandproper-tiesofnanostructuredceria-zirconiasolidsolutions[J].NanoStructuredMaterials,1998,10:955～964.[15]　MasuiT,OzakiT,MachidaK,etal.Preparationofceria-zirconiasub-catalystsformotomotiveexhaustcleaning[J].JournalofAlloysandCompounds,2000,303～304:49～55.[16]　ColonG,PijolatM,ValdiviesoF,etal.Surfaceandstruc-turalcharacterizationofCexZr1-xO2CEZIRENCATmixedoxidesaspotentialthree-waycatalystpromoters[J].J.Chem.Soc.,FaradayTrans.,1998,94(24):3717～3726.[17]　MasakuniO.Roleofcerium-zirconiummixedoxidesascatalystsforcarpollution:Ashortreview[J].JournalofAlloysandCompounds,1998,275～277:886～890.[18]　VidalH,KasparJ,PijolatM,etal.RedoxbehaviorofCeO2-ZrO2mixedoxidesⅠ.Influenceofredoxtreat-mentsonhighsurfaceareacatalysts[J].AppliedCatalysisB:Environmental,2000,27:49～63.[19]　VidalH,KasparJ,PijolatM,etal.RedoxbehaviorofCeO2-ZrO2mixedoxidesⅡ.Influenceofredoxtreat-mentsonlowsurfaceareacatalysts[J].AppliedCatalysisB:Environmental2001,30:75～85.[20]　FallyF,PerrichonV,VidalH,etal.ModificationoftheoxygenstoragecapacityofCeO2-ZrO2mixedoxidesafterredoxcyclingaging[J].CatalysisToday,2000,59:373～386.(:2001-12-20)《》2000范文田(,　610031)。,。,,,。,,。200111《(2001)》,20001412,66,13467.89,5.60,2.29,2000,1346355,29,3。·47·　,volvecultureandacclimatizationofbacteria,factorsaffectingtreatmentefficiencysuchastemperature,loadingandpelletizedsludgeforming.Keywords:monosodiumglutamateeffluent;UASBreactor;con-centrationoforganiccompound;specificbacteriaTreatmentofManganese-zincFerriteManufacturingEffluentbyCoagulationandSedimentationYINGeng-ming,MAXiao-ou,KANGSi-qi(DepartmentofChemicalandEnvironmentalEngineering,WuyiUniversity,Jiangmen529000)Abstract:Coagulationandsedimentationmethodwereusedfortreatinganeffluentofamanganese-zincferriteproductionfactorybasedonthebench-scaleexperiments,inwhichchemicalandphysicalconditionsfortreatmentwereidentified.Morethanoneyear'soperationdemonstratedthatthemethodissuccessfulinop-erationandabletomeetthenationalwastewateremissionstan-dard.Keywords:coagulationandsedimentation;manganese-zincferrite;wastewatertreatmentVegetalNutritionElementsinFlyAsh:ExistingStatesandApplicationLIGuang-hui1,SUNDai-sheng2,FENGZhen-jian3(1.ShandongInstituteofLightIndustry,Jinan250100;2.ChinaUniveesityofGeo-sciences,Beijing100038;3.BeijingUniversityofIndustry,Beijing100081)Abstract:Nutritionelementsabundantinflyashhavebeeninves-tigatedinrecentyears.Thispaperfocusesontheexistingstatesoftheelements,thedecisivefactorforthecharacteristicsofnutrientreleasedtoplant.Investigationsbyuseoftransmittingelectronicmicroscopy(TEM),scanningelectronicmicroscopy(SEM)andsoonrevealthatnutritionelementsmainlyexistinglassphase,andareunstable,activeandeasytobedissolvedandreleasedduetothetinyvitreousandmineralgrainsofflyash.Keywords:flyash;existingstatesofelement;TEMApplicationofAnalyticHierarchyProcess(AHP)toSite-selectionofaLandfillZHAIYun-bo,ZENGGuang-ming(DepartmentofEnvironmentalEngineering,HunanUniversity,Changsha410082)Abstract:EvaluationofadaptabilityofthesiteofalandfillinYongzhouCity,Hunanwasperformedusinganalytichierarchyprocess(AHP).Accordingly,suitablesitehasbeenselected.Thispaperhighlightstheprocedureoftheevaluation,includingtheset-upofhierarchyandintegratedevaluationmodelsandweighingcomputation.Resultsoftheevaluationprovesatisfactory.Keywords:analytichi