城市污水处理厂A2O工艺污泥产率系数

106Vol．10No．620166ChineseJournalofEnvironmentalEngineeringJun．2016A2O1211*21．4500012．450000A2O。A2O2KATVK。。、K0.85K±10%。。A2OX703A1673-9108201606-3071-06DOI10．12030/j．cjee．201511015ActivatedsludgeyieldcoefficientofA2OtechnologyinaWWTPGaoJing12LiHongping1LiuGuoji1DuLili21．SchoolofChemicalEngineering＆EnergyZhengzhouUniversityZhengzhou450001China2．ZhongyuanEnvironmentalProtectionCo．Ltd．Zhengzhou450000ChinaAbstractInordertoconfirmtheactivatedsludgeyieldcoefficientcalculationmethodofA2Otechnologyenhancethestabilityandcontrollabilityonoperationtheoperationalandanalyticaldataofcontinuouslytwoyearswereanalyzedonthebasisofonesysteminalarge-scalemunicipalwastewatertreatmentplantWWTP．MeanwhileaccordingtotheactualoperationalandchemicaldatatheamendedsludgeyieldcoefficientformulawhichwassuggestedbyGermanATVstandardwasusedtocalculatethevalueofamendedcoefficient．There-sultshowsthatthequalitiesoftheinfluentvarygreatlyinoneyearbuttheannualvariationsareaccordance．Soitcanbeused0．85asthevalueofKtopredictthetheoreticalexcesssludgeproductiveamountESPAthedifferencesbetweenthetheoreticalandrealESPAisunder±10%．SotheoperatorscanpredicttheESPAwiththisruletopre-controltheproduction．KeywordsA2Otechnologyactivatedsludgeyieldamendedcoefficientexcesssludgeproductivea-mountpre-control2015－11－022016－02－191982—。[e-mail]*[e-mail]rateESPＲ1。ESPＲ2-4、5-67-8ESPＲ。ESPＲ9-10、11K912。、、＞30d9。ESPＲ13-14。KATV-DVWKATV10、39。2ESPＲ。11.140×104m36A2O5A2O1。A2O3.2×104m36×104m3/dCOD480mg/L、BOD5240mg/L、SS320mg/L、55mg/L、10mg/L。GB18918-2002。。1.21。HACHIHQ30d。2。CODNH4-NTPBOD5SS、MLSSMLVSS。。1.31SSr2Y。SSr=Qw·X+Q－Qw·SSe/10001SSrkg/dQwm3/dQm3/dSSemg/LXMLSSmg/L。SSr=Y·QBODi－BOD()e2YkgSS/kgBODBODiBOD5mg/LBODeBOD5mg/L。Y3KK=Y+0.072×0.6θc·FT1+0.08θc·FT0.6SSiBODi+()13FT=1.072T－15SSimg/LFTT℃。22.1、15-16。22113.5℃727℃1Fig.1ProcessflowdiagramofaWWTP27036A2O。。2010、2011191022%36%。2Fig.2Annualvariationintemperatureofaerationtankandtreatmentcapacity3。COD383.2mg/L、BOD5182.5mg/L、SS294.9mg/L、48.51mg/L、5.06mg/L17。1COD、BOD5SS18。2。19-211500100mg/L。。1Table1Ｒeducingratesofpollutants%CODBOD5SSNH4-NTP31.322.649.6－0.85－5.8393.494.596.185.573.42.2、、SVIMLSSMLVSS、F/M、SVI、SＲT、4～6。MLVSS/MLSS220.7511。3Fig.3VariationininfluentqualitiesoftheWWTPMLVSS/MLSS6—100.62～0.680.67～0.7522-23。SVISVI2413～15℃18SVI200mL/g。F/M252F/M0.1010.113kgBOD5/kgMLSS·d5A2/O110.15～0.2kgBOD5/kgMLSS·d。SＲT26-27SＲT。SＲT9～17d2SＲT1214dA2OSＲT6～15d28-29。MLSS。MLSS201012～6。MLSSSＲTMLSSF/MMLVSS/MLSS。SVIMLSS420111—3SVI250g/mL121%～127%MLSS2.5～2.7g/L。MLSS2.0～3.0g/L2.5～4.0g/L。2.3K3243703104Fig.4VariationsinMLSSMLVSSandsludgevolumnindexofaerationtank5BOD5Fig.5VariationsinsludgelodingofBOD5andsludgeretentiontimeofaerationtank6Fig.6VariationsinexcessactivatedsludgeandsludgerefluxratioK7K0.850.8～0.918。K=0.8534。Y=0.51×SSiBODi+()1－0.072×0.6θc·FT1+0.08θc·FT47KFig.7HistogramchartofKK=0.857243。。－5.2%～8.7%10%K0.85。3KTable3SampleverifyingofKkg/dkg/dkg/d%2010-02766172414215.82010-05888084134675.62010-12523751301072.12011-01610356174878.72011-0247545013－259－5.22011-0554015471－70－1.32011-0750155068－53－1.0615059931572.62.4、SSi/BODi45。20℃、SSi/BODi0.914d8Y0.638kgSS/kgBODQ6.5×104m3、BODi180mg/LBODe10mg/47036A2OLSSV7500mg/L5940m3。Qw·SSV=Y·QBODi－BODe5812d14dYFig.8TheoreticalYwithSＲTof12and14days8、SS/BOD。1314dSS/BOD513℃Y0.018。SSSSBOD5SS/BOD5。SS/BOD5。31KATV。K0.85±10%。。2。1BrownＲ．K．HarnischF．DockhornT．etal．Exami-ningsludgeproductioninbioelectrochemicalsystemstrea-tingdomesticwastewater．BioresourceTechnology2015198913-9172．．20093051481-1486DunMinaPeiHaiyanHuWenrong．Effectof2-amino-phenoland33'4'5-tetrachlorosalicylanilideonbiomassyieldofactivatedsludge．EnvironmentalScience20093051481-1486inChinese3．A2/O．2011273102-105WangTaoYeChengquanLiWeiminetal．EffectofchemicaluncoupleronsludgeyieldinA2/Oprocess．ChinaWater＆Wastewater2011273102-105inChinese4．．2003246112-115YeFenxiaChenYingxuFengXiaoshan．Theuseofchemicaluncouplertoreducesludgeyieldinactivatedsludgeprocess．EnvironmentalScience2003246112-115inChinese5．MBＲ．200531917-20HeShengbingJiangYifengWangBaozhen．InfluenceofDOandF/MonsludgeyieldinMBＲ．TechnologyofWaterTreatment200531917-20inChinese6．S0/X0．20022013-6XieMinliLiuYuYangXuefu．StudyoneffectofS0/X0ratiotoexcessbiomassyieldofactivatedsludgeprocess．JournalofBeijingTechnologyandBusinessUniversityNaturalScienceEdition20022013-6inChi-nese7．．20132921118-121ZhangChenTanXuejunTianZhaoyunetal．ExcesssludgeyieldofBailonggangwastewatertreatmentplantinShanghai．ChinaWater＆Wastewater20132921118-121inChinese8．A/O．201238743-469．．200325557031069-74XuJingLuoPingSunJunyi．Surplussludgevolumecal-culationofbiologicalphosphorusandnitrogenremovalprocessformunicipalwastewater．JournalofChongqingJianzhuUniversity200325569-74inChinese10FenuA．GuglielmiG．JimenezJ．etal．ActivatedsludgemodelASMbasedmodellingofmembranebio-reactorMBＲprocessesAcriticalreviewwithspecialregardtoMBＲspecificities．WaterＲes．2010444272-429411．．2002108-11212．C/B．2008241847-49ZhouDanZhouBao．Calculationmethodforsludgepro-ductionofbiologicaltreatmentofwastewaterwithhighCOD/BOD．ChinaWater＆Wastewater2