好氧颗粒污泥的形成过程形成机理及相关研究王海磊

:,,1978,,。*(No.001200217)。好氧颗粒污泥的形成过程、形成机理及相关研究*王海磊1　魏丽莉2　李宗义1(1,,　453007;2,,　272025)　　SBR,,、,、、、;、、。,。　　　　　SBRStudyontheprocessandmechanismofformingaerobicgranularsludge　WangHailei1,WeiLili2,LiZongyi1.(1.CollegeofLifeSciences,HenanNormalUniversity,XinxiangHenan453007;2.DepartmentofBiology,JiningTeacherscollege,JiningShandong272025)Abstract:　ThetreatmentofpapermakingwastewaterwerestudiedbyseedingsuperiormixedfloratoSBR.Intheprocessoftreatingpapermakingwastewater,theformationprocessandformationmechanismofaerobicgranularsludgewerestudiedbymicroscope.Theresultsshowedthattheformationprocessofaerobicgranularsludgeconsis-tedoffivestages:multiplicationphase,theflocculeformingphase,flocculepolymerizingphase,flocphaseandma-tureaerobicgranularsludgeformingphase.Therewereatleastfourkindsofmechanismsintheformationprocessofaerobicgranularsludge,i.e.enwind,unite,absorbandconnect.Itwasalsofoundthatsuperiormixedfloraplayedanimportantroleintheformationprocessofaerobicgranularsludge.Keywords:　Aerobicgranularsludge　Papermakingwastewater　Superiormixedflora　SBR　　2090,,[1～5]。,,[6～8],[9,10],,。,。,SBR,,、,。1　1.1　优势混合菌W10、F8P.chrysosporium,W10、F8。W10(Azotobactersp.),F8,———,P.chrysosporium。1.2　废水及活性污泥:,;,1。1　COD/(mgL-1)BOD/(mgL-1)pHSS/(mgL-1)/2100～3000800～11007.0～8.510503401.3　实验装置SBRLloyd[11]。SBR,10cm,50cm,3L。1、2L,,2cm,,。1.4　利用优势菌群及SBR驯化好氧颗粒污泥试验485　、DOI:牨牥牨牭牴牳牭牤jcnki牨牥牥牨牫牳牰牭牪牥牥牭牥牱牥牥牪1L、1L,60gVSS,2g/L(),P.chrysosporium∶F8∶W10=2∶5∶2。33℃,6h,:10min,4.5h,30min,50min。COD、MLSS、SS、SV30,,SBR。1.5　好氧颗粒污泥的形成机制、过程及污泥微生物生态演替,,,、。1.6　分析测定方法COD[12];MLSS、SS[13];SV30[14],SVI=SV/MLSS;,:NilonOptiphotX2;:AMRAY-1000BSEM。2　2.1　好氧颗粒污泥的驯化,SBR33℃,。12d,,,,,0.5～2.0mm;15d,,;22d,COD201mg/L,83.7%,MLSS3.89g/L,,,。,,40%,,1.5～5.0mm。、、,。SBRCOD1。1　SBRCODMLSSSS。23,,MLSSSS,,MLSS,16,3.89g/L,SS50mg/L,,。2　MLSS3　SS2.2　好氧颗粒污泥的形成过程,,。,,、,,,、,。,。(4):,,,,;,,;,,,,;,,,,,,,,。486　　27　7　200510,,、;,、、,,、。,,。,,。　　,(5):(1)。,,、、。,,,,;(2)。,,,,,,,,;(3)。,。,4　(×100),、、。,、BOD,,、,;(4)。,,,、。。　　,,。,,,。,,,。,,、。,,,,,、,(6)。,,,、、、。,5　(×100)6　(×1500)487　、:,,1968,,,。*(No.20176032);(No.041105)。,,,,。,。1　BeunJJ,HendriksA,VanLM,etal.Aerobicgranulationinase-quencingbatchreactor.Wat.Res.,1999,33(10):2283～22902　BeunJJ,VanLM,HeijnenJJ.Aerobicgranulation.Wat.Sci.Tech.,2000,41(4):41～483　BeunJJ,VanLM,HeijnenJJ.Aerobicgranulationinasequen-cingbatchairliftreactor.Wat.Res.,2002,36(3):702～7124　PengDC,BernetN,DelgenesJP,etal.Aerobicgranularsludge———acasereport.Wat.Res.,1999,33(3):890～8935　MorgenrothE,SherdenT,VanLM,etal.Aerobicgranularsludgeinasequencingbatchreactor.Wat.Res.,1997,31(12):3191～31946　,,　,.SBR.,2001,21(5):577～5817　　,,,.SBR.,2003,24(4):94～988　,..,1999,20(2):38～419　ShinHS,LimKH,ParkHS.Effectofshearstressongranula-tioninoxygenaerobicupflowsludgebedtractors.Wat.Sci.Tech.,1992,26(34):601～605410　MishimaK,NakamuraM.Self-immobilizationofaerobicactiva-tedsludge———apilotstudyoftheaerobicupflowsludgeblanketprocessinmunicipalsewagetreatment.Wat.Sci.Tech.,1991,23:981～99011　LloydH,KetchumJ.Designandphysicalfeaturesofsequencingbatchreactors.Wat.Sci.Tech.,1997,35(1):11～1812　..3.:,199713　..:,199814　　..:,1999责任编辑:闵　怀　(:2005-06-12)酸性溶液中Fe(Ⅲ)离子浓度对烟道气脱硫的影响*赖庆柯1张永奎2(1.,404000;2.,　610065)　　　Fe(Ⅲ)S(Ⅳ)。Fe(Ⅲ)SO2Fe(Ⅲ),Fe(Ⅲ)(CFe(Ⅲ)T=0.13mol/L)。,。O2,S(Ⅳ)。　　Fe(Ⅲ)　SO2EffectofFe(Ⅲ)ConcentrationsonDesulphurizationinAcidicSolution　LaiQingke1,ZhangYongkui2.(1.Depart-mentofChemicalEngineering,ChongqingThreeGorgesUniversity,Chongqing404000;2.DepartmentofChemi-calEngineering,SichuanUniversity,ChengduSichuan610065)Abstract:　ThereactionbetweenFe(Ⅲ)ionandS(Ⅳ)oxideswasstudiedusingbubblingreactor.TheresultshowedthatthereisnotapositivecorrelationbetweentherateofFe(Ⅲ)ioncatalyticoxidationofSO2andthecon-centrationoftheFe(Ⅲ)ion.However,thereisanoptimumrateofdesulphurizationwhentheconcentrationofiron(Ⅲ)ionis0.13mol/L.Therateofdesulphurizationwasdroppedwiththereactiontime.TheoxidativerateofS(Ⅳ)wasincreasedwiththeincreaseofoxygen.Keywords:　Fe(Ⅲ)CatalyticoxidationSO2　DesulphurizationEffect　　SO2。2003,SO22158.7t,[1～3]。,(FGD)SO2。,Fe(Ⅲ)S(Ⅳ)[4]。　　,1%～2%1g/LFe(Ⅲ)SO2[5]。:SO2+2Fe3++2H2O→SO2-4+4H++2Fe2+(1)488　　27　7　200510