好氧颗粒污泥的培养及其特性研究刘玉玲

1006-4710201103-0329-05710048SBR。pH7．0150～180min9～120min0．3～0．5m3/h1～2mmSVI40mL/gMLSS6515mg/L18．42m/h。COD、TNTP95%、96%98%。MLSSSVIX703．1A．＊ResearchonAerobicGranularSludgeofItsCultivationandCharacteristicsLIUYulingGAOShengBAIKaiKeyLaboratoryofNorthwestWaterResourcesandEnvironmentEcologyofMOEXi'anUniversityofTechnologyXi'an710048ChinaAbstractTheexperimentalstudyofaerobicgranularsludgeinasequencingbatchreactorSBRwasperformedusingasyntheticdomesticwastewaterandordinaryflocculentactivatedsludgeasinoculationsludge．TheconditionsunderwhichthesuccessfulcultivationofaerobicgranularsludgeisconductedareasfollowsthetemperatureisroomtemperaturepHisabout7．0aerationtimeis150～180minsludgesettlingtimeis9～120minandaerationrateis0．3～0．5m3/h．Theaerobicgranularsludgehasyellowappearancewithasizeof1～2mmSVIof40mL/gorsoandMLSSof6515mg/L．Theaver-agesettlingvelocityisupto18．42m/h．Aerobicgranularsludgecontainslargeamountsofprotozoae-mergingingroups．TheremovalratesofCODTNandTPareupto95%96%and98%respectively．KeywordsaerobicgranularsludgecultivationMLSSSVIsettlingvelocityremovalrate1-2。。3。SBR。11．1SBR。。、923JournalofXi’anUniversityofTechnology2011Vol．27No．3*2010-12-142010SJ07809JK649106-00X907。1969-。[e-mail]。DOI:10.19322/j.cnki.issn.1006-4710.2011.03.0171、2、3。1Tab．1KeyindicatorsofseedactivatedsludgeMLSS5．744g/L1．0012SV95%99．1～99．3%SVI165mL/g2．52m/h24Tab．2Wastewaterwaterqualityindicators/mL/g/μg/LCODC6H12O6300～600FeSO4·7H2O3000NH4+-NNH4Cl5～10MnSO4·4H2O26NO－3-NNaNO35～10CoCl2·6H2O50PO3－4-PKH2PO41～2CuCl2·2H2O70．4ml/LZnCl224CaCl2·2H2O15AlCl360EDTA50H3BO3202135Tab．3WaterqualityofthethirdsewagetreatmentplantinXi'anCOD/mg/LBOD/mg/LNH+4-N/mg/LTP/mg/L390200204602081．584．6%90%60%62．5%1．2SBR1。SBR11．8L9．0L125cm95cm11cm。75cm10cm。180～240min1min150～180min9～120min2min0．3～0．5m3/h20%。0．88～1．47cm/s。DO2mg/L。1Fig．1Experimentalsetupdiagram1．36-74。4Tab．4WaterqualityanalysisitemsandmethodsCODDOJPB-607TNTPSVSVIMLSS22．12。、1～2mm。03320112732Fig．2Formationofaerobicgranularsludge2．2SVI、SV。34。3Fig．3Sludgeindexvs．cultivatingtime4Fig．4Sludgesettlingvelocityvs．cultivatingtime3SVI。COD、SVI。SVI40mL/g。42．52m/h5018．42m/h。8。50。SBR5、6、7。5COD73%95%COD30mg/L。6TNTN96%、、、。NH3-NNO2-NNO3-NNH3-NN2NO2-NNO3-NN2NH3-NNO2-NNO3-NN29。C/N100∶520∶1C/N300∶560∶1C/NTN。5CODFig．5CODremovalvs．cultivatingtime1336TNFig．6TNremovalvs．cultivatingtime7TPFig．7TPremovalvs．cultivatingtime7TPTP56%98%。、。DPBNO3-NPHBNO3-NN2DPB。9。2．3MLSS。8MLSS。3681mg/L6515mg/L。。8MLSSFig．8ThechangeofMLSSvs．cultivatingtime9Fig．9Microbes、。、9。233201127310。、、、。。31SBR50、、、。1～2mmSVI40mL/g18．42m/h。2COD、TNTP600mg/L10mg/L2mg/L4hCOD、TNTP95%、96%98%。3MLSS6515mg/L。1．SBRJ．200324494-99．YangQiLiXiaomingZengGuangmingetal．Cultiva-tionofsimultaneousnitrificationanddenitrificationaerobicgranularsludgeinSBRsystemJ．EnvironmentalSci-ence200324494-99．2．J．2003234380-384．RuanWenquanChenJian．Thecharacterandthereactionprocessofsimultaneousnitrificationanddenitrificationaer-obicgranularsludgeJ．ChinaEnvironmentalScience2003234380-384．3．J．200316140-42．YangQiLiXiaomingZengGuangmingetal．Realiza-tionofsimultaneousnitrificationanddenitrificationaerobicgranularsludgeJ．UrbanEnvironment＆UrbanEcology200316140-42．4．SBRD．2009．LiXiaolingPengDangcong．DenitrfyingPhosphorousRe-movalbyGranularSludgeinSBRProcessD．Xi'anXi'anUniversityofArchitectureTechnology2009．5．J．20046639-41．ZhengQinChenLipingWeiDongetal．Reasonable-nessandadvancementofdesignofXi'anNo．3sewagetreat-mentplantprojectJ．ChinaMunicipalEngineering20046639-41．6．M．．1997．7．M．．1985．8．SBRJ．2009174502-512．LiangMengxiaoNiJinren．CultivationandcharacteristicsofaerobicgranularsludgeinsequencingbatchreactorJ．JournalofBasicScienceandEngineering2009174502-512．9．M．2007．10．J．2010237918-923．LiuShaogenMeiZikunXieWenmingetal．Cultiva-tionandgranulationprocessofaerobicgranularsludgeap-pliedtotreatmunicipalwastewaterJ．ResearchofEnvi-ronmentalSciences2010237918-923．333