固定化脱氮细菌协同除氨氮废水及生物膜观察陈君

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5 :22~32℃,26~28℃,,26℃,21.77gL,1.98gL。2.6 装液量对鸡腿菇深层发酵的影响,。。,。250ml,,100ml,20.30gL1.88gL。6 2.7 鸡腿菇深层发酵过程曲线3%、2%、0.5%、4%、KH2PO40.25%,MgSO4·7H2O0.1%,pH6、250ml100ml、10%、26℃、225rmin,,5。7 ,144h,,144h,1.98gL。3 3.1 、。,;,,。3.2 。pH6、250ml100ml、10%、26℃、225rmin,,[7],,。,144h,1.98L。:[1],.[J].,2001,23(3):6-7.[2],,.[J].,2001,35(2):56-58.[3],,.[J].,2005,32(3):323-327.[4],,.[J].,2004,21(5):22-23.[5],,,.[J].,2007,13(20):84-86.[6],,.[J].,2002,29(3):33-37.[7],,.[J].,2007,35(13):3838-3839.陈君,张艾晓,钟卫鸿*,陈建孟(,310032):OchrobactrumanthropiCZAlcaligenesfaecalisCZ。O.anthropiCZ7d50mgL,0.28mgL·h。A.faecalisCZ,2d200mgL,4.17mgL·h。(CA)、(PUF)、。,。CA,24h23mgL。,,CA。:;;;;;中图分类号:X172  文献标识码:A  文章编号:1004-311X(2008)03-0076-05AmmoniaRemovalofWastewaterbyImmobilizedAmmonia-oxidizingBacteriawithDenitryingBacteriaandBiofilmObservationCHENJun,ZHANGAi-xiao,ZHONGWei-hong*,CHENJian-meng(CollegeofBiologicalandEnvironmentalEngineering,ZhejiangUniversityofTechnology,Hangzhou310032,China)76                                           200818(3)DOI:10.16519/j.cnki.1004-311x.2008.03.026Abstract:Twostrainsofnitrogenremovalbacteriawereisolatedandcombinedtotreatammoniumwastewater.OchrobactrumanthropiCZoxidated50mgLofinitialammoniatonitritewithnitrificationrateof0.28mgL·h.AlcaligenesfaecalisCZdeoxidized200mgLofinitialnitrateintwodayswithdenitrificationrateof4.17mgL.hunderaerobiccondition.Calciumalginate(CA)gelbeadsandpolyurethanefoam(PUF)wereusedtocomparetheabilityinnitrogenremovalbetweenplanktoinccellsanddifferentimmobilizedcells.BacteriaembeddedinCAbeadsshowedthehigh-estcompetencesinceinthisgroup,23mgLinitialammoniumnitrogencouldberemovedin24hinaerobiccircumstance.BacteriaattachedontheCAbeadalsoshowedgoodabilitytoremovenitrogen.Wealsostudiedandobservedthebiofilmofthetwostrainsunderfluorescencemicroscopyafterbeingdyedbyakindofnucleicaciddyestuff.Keywords:ammonia-oxidizingbacteria;aerobicdenitrifyingbacteria;immobilization;calciumalginategel;polyurethanefoam;biofilm:2008-01-03;:2008-02-26:(20276070);(Y304091):(1983-),,;*:(1966-),,,,,E-mail:whzhong@zjut.edu.cn。  [1]。,,(ANAM-MOX)、(SHARON)。(,Ochrobactrumanthropi)(,Alcaligenesfaecalis)。O.anthropi,O'NellFJ[3];A.faecalis,2005JadhavTS[4]。,,。25%[5];,(),,。。(PVA)、(PEG)、(PAM)、(CA),(PU)、、、[6,7]。,,pH[8]。,(biofilm),(extracel-lularpolymericsubstances,EPS)(quorumsensing,QS)[9]。,。1 1.1 材料1.1.1 O.anthropiCZA.faecalisCZ。1.1.2 GoldviewnaⅠ(,230nm490nm,,)。1.1.3 LoviondOxi200();OlympusCX31();756spectrum()。1.1.4 (gL)[10]:(NH4)2SO40.71,NaAc4.4,NaCl3.0,FeSO40.03,Fe2(SO4)30.03,K2HPO41.0,MgSO40.03,CaCl20.5,pH8.5。(gL)[11]:KNO31.44,KH2PO44.0,MgSO40.2g,Trisodiumcitrate7.0,FeSO40.27,pH7.2~7.5。(gL)[12]:(NH4)2SO40.117,NaCl1.0,KH2PO41.3,NaHCO31.3,MgSO40.25,FeSO40.2,NaAc0.725,pH8.0。1.2 方法1.2.1 NH4+-N;NO2--NN-(1-)-;NO3--N[13];LovinondOxi200。1.2.2 、28℃、120rmin,4500rmin10min,1∶50(VV)(,20%),。1.2.3 ①(Calciumalginateembed):4%(O.anthropiCZ1.1×1010cellml;A.faecalisCZ9.7×109cellml)4%CaCl2(CA),40℃2h,,4℃。30~4050ml。②(Calciumalginateattachment):2%4%CaCl2,(75%)。24h,。30~40(1.7×108cellbead)(2.5×108cellbead)50ml。③(PUFattachment):PUF(1cm×1cm×1cm)24h,。5PUF(4.6×109cell)PUF(9.9×109cell)50ml,。④(planktonic):50ml0.5ml。428℃,1∶1,120rmin()(),3,2。1.2.4 ,1ml2%CaCl24ml4%(5cm×5cm)CA。CA400μm。9cm20ml(、),1:50CA。28℃,,10min,GoldviewnaⅠ(1∶5000)77200818(3)                                           20min。。2 2.1 反硝化菌、亚硝酸菌脱氮能力A.faecalisCZ,200mgL。2d,4.17mgL·h(1)。2d,,(Nar)。,,4d,(Nir)。。A.faecalisCZ,,8mgL(120rmin)(DO),。O.anthropiCZ7d50mgL95%。0.28mgL·h(2)。,DO8mgL,,2.1mgL。PengYZ[5],2mgL。,,。,O.anthropiCZNitro-somonas、,[1]。1 A.faecalisCZ7d,120rmin200mgL()Fig.1 A.faecaliswasusedtotreat200mgLNO3--Nwaterin7daysun-der120rmin(Errorbarsforstandarddeviations)2 O.anthropiCZ7d、120rmin50mgL()Fig.2 O.anthropiCZwasusedtotreat50mgLNH4+-Nwaterin7daysunder120rmin(Errorbarsforstandarddeviations)2.2 固定化细胞与游离细胞处理氨氮废水(3、4)。,。120rmin,(2.01mm)1d23mgL。,、、[7],CA。。3 428℃、120rminNH4+-N、NO2--NFig.3 ThechangesofNH4+-N,NO2--Ninfourdifferentgroupsofcellswhenincubatedat28℃withrotatingspeedof120rmin4 428℃、NH4+-N、NO2--NFig.4ThechangesofNH4+-N,NO2--Ninfourdifferentgroupsofcellswhenincubatedat28℃withoutshakingCA,EPS(5)。,,O.anthropiCZA.faecalisCZ。。120rmin1d90%。78                                           200818(3),;,,[9],。5 AO.anthropiCZCA(1000×);BA.faecalisCZCA(1000×),,。Fig.5 PictureA,cellsofO.anthropiCZbiofilminmaturestage(1000×);PictureB,cellsofA.faecalisCZbiofilminmaturestage(1000×)Note:high-lightgreensignalwerebacteriaofbiofilmswhichdistributedun-evenlyonsurfaceofCAgelthroughobservation.PUF,,。PUF,24h70%。PUF,PUF(2mm×2mm×2mm)PUF[14],。PUF。,23mgL48h。,。120rmin,CA2.72.2。,。,4.5mgL,,[2,15]:1.0~1.5mgL。,。,O.anthropiCZA.faecalisCZ,。OLAND。,,,,[16]。3 。,,,20%CO240%[5]。,。、;[1,17]。。,[18]。,。。。。[19],[20]。。:、、、()、[21]。,。。,,。(fluorescenceinsituhybridization,FISH)[22]、(GFP-reportergene)[23],(Epifluorescentmicrosco-py)[24,25]、(confocalscanninglasermicrosco-py)[26,27]、。,。,。:[1],,.[M].1.:,2004:13-14,87-114,187-190.[2]JaaPvanR,YossiT,HaroldJS,Denitrificationinrecirculatingsystems:Theoryandapplications[J].AquacultEng,2006,34(3):364-376.[3]O'NellFJ,Bromley-Chal

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