Cu2对好氧颗粒污泥理化特性的影响分析巢少峰

42520149JournalofHohaiUniversityNaturalSciencesVol．42No．5Sep．2014DOI10．3876/j．issn．1000-1980．2014．05．0052013-08-08512081742012ZX07506-002-21974—。[e-mail]2+122221．2131612．210098SBＲCu2+0mg/L、1mg/L、3mg/L、5mg/L10mg/L。Cu2+0mg/L10mg/L。1mg/L3mg/LCu2+CODNH+4-N5mg/L10mg/LCu2+CODNH+4-N。Cu2+10mg/LCu2+。Cu2+SBＲX703A1000-1980201405-0399-05AnalysisofinfluenceofCu2+onphysicochemicalcharacteristicsofaerobicgranularsludgeCHAOShaofeng1MAOWenjuan2ZHENGXiaoying2WUYanke2NIMing21．JiangsuDayuWaterCo．Ltd．Changzhou213161China2．CollegeofEnvironmentHohaiUniversityNanjing210098ChinaAbstractInthisstudyaerobicgranularsludgewascultivatedinasequencingbatchreactorSBＲwithglucoseandsodiumacetateasthecarbonsources．Theshock-loadingeffectsofvaryingCu2+concentrations0135and10mg/Lonthephysicochemicalcharacteristicsoftheaerobicgranularsludgewerestudied．TheresultsshowthatthephysicochemicalcharacteristicsoftheaerobicgranularsludgewereaffectedastheconcentrationofCu2+increasedfrom0to10mg/L．Cu2+withconcentrationsof1and3mg/LhadaslighteffectontheremovalefficienciesofCODandNH+4-NwhileCu2+withconcentrationsof5and10mg/LhadasignificanteffectontheremovalefficienciesofCODandNH+4-N．AstheconcentrationofCu2+increasedfilamentousbacteriaintheaerobicgranularsludgeincreasedgraduallytheconcentrationofsludgedecreasedcontinuouslyandthesettlingpropertydeterioratedrapidly．InadditionadecreaseinthedensitydegreealooseningstructureandpolarizationofparticlesizeoftheaerobicgranularsludgewerefoundintheSBＲandthegranularsludgedisintegratedwhentheCu2+concentrationwas10mg/L．KeywordsaerobicgranularsludgephysicochemicalcharacteristicsofsludgeCu2+sequencingbatchreactor、1-4。。Cu2+、、、、56。Cu2+。42SBＲCu2+、、、。11SBＲFig．1SequencingbatchreactorSBＲ1.1SBＲ80mm900mm4L2.5L。。1。6h10min、342min、3min、5min。150L/hDO6～8mg/L。520℃±2℃。1.2ρC6H12O6=500.0mg/LρCH3COONa=120.0mg/Lρpeptone=15.0mg/LρNH4Cl=100.0mg/LρKH2PO4=10.0mg/LρNa2HPO4=10.0mg/LρCacl2=150.0mg/LρMgSO4·7H2O=20.0mg/LρFeSO4·7H2O=20.0mg/LρCoNO32·6H2O=3.0mg/LρMnCl2·4H2O=0.4mg/LρZnSO4·7H2O=0.5mg/L。1.3ρMLSS=1830mg/L。40d55ρMLSS=3500～4000mg/L。Cu2+0mg/L、1mg/L、3mg/L、5mg/L、10mg/LCu2+5。1.4CODNH+4-NMLSS、SVI、、7LS230。22.1Cu2+CODNH+4-N。Cu2+CODNH+4-N。CODNH+4-N650～750mg/L26～30mg/L。21mg/L3mg/LCu2+COD95%5mg/L10mg/LCu2+COD87.41%85.71%。Cu2+COD2aCu2+、。Cu2+8。bCu2+Cu2+0045Cu2+9。2Cu2+Fig．2EffectofCu2+onremovalefficienciesofCODandNH+4-N1mg/LCu2+NH+4-N95%3mg/LCu2+NH+4-N91.18%5mg/L10mg/LCu2+NH+4-N81.05%58.97%。2Cu2+NH+4-NCu2+Cu2+。2Cu2+CODNH+4-NCu2+NH+4-NCOD10。2.2Cu2+3Cu2+Cu2+10mg/LCu2+。A/V11“”“”。3Cu2+Fig．3EffectofCu2+onmorphologyofaerobicgranularsludgeCu2+10mg/LCu2+。、。2.3Cu2+Cu2+4。。4Cu2+。Cu2+、12-13。Cu2+0mg/L10mg/LSVI4.24mg/L131.58mg/L。2a14。b104424Cu2+Fig．4EffectofCu2+onMLSSandSVIofaerobicgranularsludgeH+pH15。。2.4Cu2+、5Cu2+。5aCu2+d＜300μmd＞1500μm。Cu2+0mg/L、1mg/L、3mg/L、5mg/L10mg/Ld＜300μm15.97%、18.38%、23.75%、25.74%29.35%d＞1500μm0.09%、0.04%、5.80%、6.17%11.33%。Cu2+Cu2+、。5Cu2+Fig．5EffectofCu2+onphysicalcharacteristicsofaerobicgranularsludge5bCu2+Cu2+0mg/L10mg/L98.040%98.887%1.0161.002。Cu2+。3SBＲ。Cu2+0mg/L、1mg/L、3mg/L、5mg/L10mg/La．1mg/L3mg/LCu2+CODNH+4-N5mg/L10mg/LCu2+CODNH+4-N。b．Cu2+。c．Cu2+10mg/LCu2+。1GUOFengZHANGShenghuaYUXinetal．Variationsofbothbacterialcommunityandextracellularpolymersthe2045Cu2+inducementsofincreaseofcellhydrophobicityfrombiofloctoaerobicgranulesludgeJ．BioresourceTechnology2011102116421-6428．2CHENYaoJIANGWenjuDAVIDTLetal．AerobicgranulationunderthecombinedhydraulicandloadingselectionpressuresJ．BioresourceTechnology200899167444-7449．3deKＲEUKMKKISHIDNTSUNEDASetal．BehaviorofpolymericsubstratesinanaerobicgranularsludgesystemJ．WaterＲesearch201044205929-5938．4JANSMBEGONAOMAＲIAAAEEetal．Biotreatmentofindustrialwastewatersundertransient-stateconditionsprocessstabilitywithfluctuationsoforganicloadsubstratestoxicantsandenvironmentalparametersJ．CriticalＲeviewsinEnvironmentalScienceandTechnology2010402147-197．5．Cu2+、Zn2+J．20103171575-1578．ZHUWeiqinZHANGZhiJIAZiweietal．ComparativestudiesonthecharacteristicsforCu2+orZn2+adsorptionontodifferentlandfilledsludgeJ．EnvironmentalScience20103171575-1578．inChinese6GAＲGSGUPTAＲKJAINKL．SublethaleffectsofheavymetalsonbiochemicalcompositionandtheirrecoveryinIndianmajorcarpsJ．JournalofHazardousMaterials20091632/31369-1384．7．M．4．2010111-143．8．J．200221347-51．CHENShengguiXUMuqiYANGXiangpingetal．Ｒoleofprotozoainactivated-sludgeJ．ChineseJournalofEcology200221347-51．inChinese9．D．2002．10SIＲIANUNTAPIBOONSBOONCHUPLEINGM．Effectofbio-sludgeconcentrationontheefficiencyofsequencingbatchreactorSBＲsystemtotreatwastewatercontainingPb2+andNi2+J．JournalofHazardousMaterials20091661356-364．11．M．19927-17．12．M．198927-28．13OBBAＲDJP．EcotoxicologicalassessmentofheavymetalsinsewagesludgeamendedsoilsJ．AppliedGeochemistry2001161405-1411．14．J．2005217-20．CHENChunHEZhanhang．TheeffectonthecapacityofactivatedsludgetreatmentsystembyheavymetalionsJ．HenanChemicalIndustry2005217-20．inChinese15MOＲGENＲOTHE．AerobicgranularsludgeinasequencingbatchreactorJ．WaterＲesearch199731123245-3248．檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪··12620142014815201420141265164112413。304