复合式膜生物反应器处理高浓度氨氮废水可行性试验张竹青

[11]　KanagawaFS..ElectrodeCatalystandMethodforProductionThereof.EP0319489A,1989.[12]　..,1996,8:17-22.[13]　,.PbO2.,1994,2:1-6.　　100083　()S0505　(010)82320507E-mail　[e-mail]2006-09-06＊张竹青　胡明忠　张　龙(,130012)　试验结果表明,以甲壳素为载体的复合式膜生物反应器,在进水氨氮浓度为2100mgL,氨氮容积负荷为2.19kg(m3·d)时,氨氮去除率接近100%,系统运行稳定。载体投加量为2.778gL时,膜通量可维持在87%左右。　高浓度氨氮废水　复合式膜生物反应器　膜污染　　　　　　　　＊(05103)0　,,,,。[1]。。(membranebioreactor,MBR),。[2],1400mgL,99%,,2000mgL,,NH+4-N,,。(hybridmembranebioreactor,HMBR),≥2000mgL,。1　1.1　试验工艺流程与装置HMBR(1)。10L,1.108gL1—;2—;3—;4—;5—;6—;7—;8—;9—;10—;11—;12—PVC;13—;14—;15—。1　HMBR;,。,2500mL,(28±1)℃,pH:7.5～8.2,DO≥4.0mgL,24h,23h,、1h。,,,,,32　　　20076253DOI:10.13205/j.hjgc.2007.03.010。1.2　试验材料(1)　NH4ClNaHCO3。,(CaCO3)1∶8.0。。(2)　。1。(3)　,:0.007μm,:10000。2　2.1　操作压力对膜通量的影响,,,2。2　。0.09MPa,。0.03MPa,26.98L(m2·h),14min,。,,,,,。,0.03MPa。2.2　氨氮负荷增加试验166.67mgL,10%。1mgL,,。3。166.67～300mgL,,,1.0mgL,100%。,NO-3-N,NO-3-N99%,。,3　HMBR,,。400mgL2100mgL,HMBR。50d,1100mgL,,NH+4-N0.4mgL;82d,2100mgL,NH+4-N0.74mgL,85d,0.23mgL,99.98%。,HMBRNO-2-N,2100mgL,98%。,,。,120mgL,,。HMBR0.17～2.19kg(m3·d),NH+4-N100%。2100mgLMBR2000mgL[2],。2.3　污泥指数(SV)的变化,,4。,SV。,,。4　HMBRSV2.4　载体甲壳素对膜污染的影响533　　　20076253。,,,51.7%;,,1.106gL,JV80.8%;2.778gL,87%。,,,。5　2.5　膜污染物成分分析及膜清洗技术[3]。HMBR,N。。,、,。,,。,。,,。,。HMBR,。,,。3:1,。。,。2,。,　　。3,。。40～60min。6。6　3　(1)HMBR,,,100%。(2)HMBRMBR,0.19kg(m3·d),。(3)HMBR。(4)(≥500mgL),NO-2-N87%～98%,。[1]　,,..,1996,15(3):18-20.[2]　..,2001.[3]　HoughtonJL,QuarmbyJ.etal.MunicipalWastewaterSludgeDewaterabilityandthePresenceofMicrobialExtracellularPolymer.WaterScienceandTechnology,2001,44:373-379.　　130012　17　E-mail　[e-mail]2006-09-12“”　http:　　　20076253WASTEWATERANDTHEREUSEOFRECLAIMEDWATERINDISCRETERESIDENTIALAREASYangQun　ZhangBeiping　YangGaohuaetal(24)…………………………………………………………………Abstract　WiththeexampleoftheconstructionofthewastewateradvancedtreatmentandthereclaimedwaterreusesystemofGardeningResidentParkintheeast-westdistrictofWuhan,itisrecommendedakindofbiochemical-physico-chemical-ecologicalprocessofdomesticwastewatertreatment.Thisprocessisespeciallysuitableforadvancedtreatmentandthereuseofdomesticwastewaterofdiscreteresidentialareas,whosenitrogencontentofthewastewaterishigher.Ithastheadvantagesofstableworkingefficiency,lowenergyconsumption,lesslandandeasycoordinationwiththesoundings.Keywords　discreteresidentialareas,advarrcedtreatmentofdomesticwastewater,reuseofreclaimedwater,membrane-biological-reactorwithA-A-OrouteSUBMERGEDMEMBRANEBIOREACTORFORSLAUGHTERINGWASTEWATERTREATMENTLiZhidong　LiNa　ZhangHonglinetal(27)………………………………………………………………………………Abstract　Inthisexamination,itiscarriedout90-dayperiodexperimentforstudyingonthetreatmentofslaughteringwastewaterbyMBR.TheresultsshowthattheaverageremovalrateofCODCrisover95%andtheremovalrateofBOD5isstable;theremovalrateofNH3-Nis93.7%;theremovalrateofTSS,turbidity,SSandanimaloil&fatarerespectivelyover99.0%,99.0%,99.3%,95.8%.Membranepollutiondidnotoccurduringtheoperationof90d.Keywords　membranebioreactorandslaughterwastewaterASTUDYONDOMESTICWASTEWATERTREATMENTBYELECTROCATALYTICOXIDATIONWangDingguo　WangJianfei　LiBinghua(29)………………………………………………………………………………Abstract　Threekindsofmentaloxidemodifiedelectrode,TiSnO2-Sb2O3、TiRuO2-IrO2andTiSnO2-Sb2O3-MnO2PbO2,weremadeintheexperiment.Theywereusedtotreatglucosesolutiontochoosethebestefficientelectrodewhichisusedtotreatdomesticwastewater.Finally,TiSnO2-Sb2O3-MnO2PbO2wasselectedasthebestanode.Ithadbeeninvestigatedthattheeffectsofelectrolysistime,electrolysiscurrentdensityandelectrolyteconcentrationontheelectrolyticefficiency.Keywords　electrocatalyticoxidation,TiSnO2-Sb2O3-MnO2PbO2electrode,glucosesolutionanddomesticwastewaterFEASIBILITYTESTOFTREATINGHIGHCONCENTRATIONNH3-NWASTEWATERBYHYBRIDMEMBRANEBIOREACTORZhangZhuqing　HuMingzhong　ZhangLong(32)……………………………………Abstract　TheremovingrateofNH3-Nofahybridmembranebioreactorusingchitinascarriercanalmostachieve100%,whiletheinfluentNH3-Nconcentrationis2100mgL,andtheammoniumloadingis2.19kg(m3·d).Therunningstateofthesystemisstable.Astheamountofchitinis2.778gL,themembranefluxrateremainsabout87%.Keywords　highconcentrationNH3-Nwastewater,hybridmembranebioreactorandmembranepollutionSIMULATIVEEXPERIMENTONNITROGENTRANSLATIONOFPOLLUTEDWATERYuYing　ChenFanzhong　ShengYanqingetal(35)………………………………………………………………………………………Abstract　Takingthebadlypollutedmunicipalriverasthestudyingtargets,therelationshipbetweennitrogentranslationandenvironmentconditionswasobtainedthroughthissimulatedexperiment.Theresultsshowedthatwhenthewatersampleswereindoororoutside,thevariabilityofammoniaconcentrationpresentedveryquickly,buttheconcentrationsofnitriteandnitratewerealmostnotvariable.However,whenthewatersampleswereputintoincubator,theircorrespondingconcentrationswerenolongerincreasedordecreasedevidently.Theeffectofphotosyntheticbacteriaonnitrogentranslationalsowasstudiedatthesametime.Itshowedthatphotosyntheticbacteriacanacceleratenitrogentranslationwhenthewatersampleswereindoororoutside,butthevelocityofnitrogentranslationwouldslowdownwhenthesampleswer