餐厨废水强化EGSB反应器处理焦化废水的启动郑俊

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EGSB121211111.2430322.243061EGSBVFA、SGR。1.76kgCOD/m3·d、EGSB69d2.66kgCOD/m3·dCOD34%SGR91.12%86.63%。EGSBX703C1000-4602201619-0084-051301041023Start-upofEGSBReactorwithAdditionofKitchenWastewaterforTreatmentofCokingWastewaterZHENGJun12ZHANGDe-wei12FENGXiao-ming1HEQian-qian1BAOHui-hui1ZHANGHai-tao11.SchoolofCivilEngineeringandArchitectureAnhuiUniversityofTechnologyMa’anshan243032China2.HuaqiEnvironmentalScienceandTechnologyCo.Ltd.Ma’anshan243061ChinaAbstractTheindexesofvolatilefattyacidVFAmethanogenicactivitysludgegranulationrateSGRandsoonduringdomesticationstagewereanalyzedtodeterminethefeasibilityoftherapidstart-upandsludgegranulationofEGSBreactorwithadditionofkitchenwastewaterfortreatmentofco-kingwastewater.TheresultsindicatedthatundertheconditionsofmesophilictemperatureandinitialOLRof1.76kgCOD/m3·dthestart-upofEGSBreactorcouldbepromotedbyincreasingOLRandaddingasmallamountofkitchenwastewater.Thestart-upperiodwas69d.InadditiontheremovalrateofCODwasabout34%andtheOLRwasabout2.66kgCOD/m3·d.Theinhibitioneffectofcokingwastewateronthebiologicalactivityofgranularsludgewasreversible.Moreoverthemethanogenicactiv-ityofthesludgewouldberestoredpartiallyasthemicrobialpopulationgraduallyadaptedtothecokingwastewater.ThesmallparticlesizedistributionofthematuregranularsludgewasdominantandtheSGRwasdecreasedfrom91.12%to86.63%.KeywordsEGSBcokingwastewaterkitchenwastewaterenhancementquickstart-·48·3219201610CHINAWATER&WASTEWATERVol.32No.19Oct.2016upmethanogenicactivitySGR、、1。EGSB、。。EGSB23。EGSB。4。、CODEGSB。EGSB。COD、VFA、pHSGREGSB。11.1EGSB77L2000mm235mm250mm。35±1℃1。气体流量计碱液吸收装置取样口水泵进水水箱温控系统回流泵出水水箱1Fig.1Schematicdiagramofexperimentalset-up1.2EGSBA~G7EGSB1。H2SO4NaHCO3pH7.0~7.2。1EGSBTab.1OperationparametersofEGSBatdifferentdomesticationstages/dCOD/mg·L-1/kgCOD·m-3·d-1/m3·m-2·d-1/%/%A1~101764~19451.65~1.820.2830095B11~161900~19581.78~1.830.2830090C17~231930~20461.80~1.910.2830080D24~372035~21561.90~2.020.4250060E38~472176~23102.03~2.160.4250040F48~582315~24592.16~2.300.4250020G59~742600~28432.43~2.660.4250001.32/5MLSS36.97g/LMLVSS/MLSS0.68。、、COD20000~63000mg/LTP250~340mg/LTN80~120mg/L23~38mg/LpH3.10~4.83。·58·.watergasheat.comEGSB32195。。COD2650~2900mg/L50~110mg/LTN420~510mg/L60~230mg/L1.8~6.0mg/LpH8.51~10.20。1.4CODVFApHpHS-25SGR6≥0.43mmBL-101。22.1CODEGSBCOD2。28000COD/(mg·L-1)100806040200COD去除率/%10203040506070ABCDEFGt/d2400200016001200800400进水出水去除率2CODFig.2CODremovalatdifferentdomesticationstages2A、B、C1.65~1.91kgCOD/m3·d24h。3COD90%。COD。≤60%D60%CODC15.2%ECODC19%60%7。FCODE3.2%2.66kgCOD/m3·d11dCOD34%EGSB69d181d2112d。2.2pHpH7.0~7.2pH3。7.47.27.06.80pH值10203040506070ABCDEFG进水出水t/d6.63pHFig.3VariationofpHatdifferentdomesticationstages3ApHVFA12.65mmol/LpHpH6.64。pHpHVFA、100mg/LNO-x-N7~12mg/LpHpHpH。69pH7.3~7.4。2.3VFAVFA8VFA4。·68·3219.watergasheat.com20151050CH4累积量/(L·d-1)1412108642VFA/(mmol·L-1)1020304050607080ABCDEFG出水VFA含量产甲烷累积量t/d4VFAFig.4VariationofCH4yieldandVFAconcentrationatdifferentdomesticationstages4AVFAVFA12.65mmol/L1020.13L/d。7VFApHVFA。G200mL/d。VFA2~4mmol/L69VFA2~3mmol/L。2.4SGREGSB。5SGR。5A~GSGR。ASGR91.12%82.82%AP<0.01BSGR2.85%ABP>0.05B~E。100806040200SGR/%种泥ABCDEFG5Fig.5SludgegranulationrateatdifferentdomesticationstagesBC、CD、DESGRP<0.01。EF、FGSGRP<0.01SGRG。≥1.18mm0.43~1.18mm。。3①EGSB69d112d2.66kgCOD/m3··78·.watergasheat.comEGSB3219dCOD34%。②。③0.43~1.18mmSGR91.12%86.63%。1PalPKumarR.TreatmentofcokewastewaterAcriti-calreviewfordevelopingsustainablemanagementstrate-giesJ.SepPurifRev201243289-123.2.EGSBJ.201127991-94.3DongCPanQLuHetal.Rapidlystart-upandper-formanceoftheEGSBreactortreatingactualcokingwastewaterwhenseededwithdigestionsludgeJ.AdvMaterRes2013726/7312567-2571.4.UASB-D.2009.5RamprakashBMuthukumarK.ComparativestudyontheproductionofbiohydrogenfromricemillwastewaterJ.IntJHydrogenEnergy2014392714613-14621.6LagunaAOuattaraAGonzalezROetal.Asimpleandlowcosttechniquefordeterminingthegranulometryofup-flowanaerobicsludgeblanketreactorsludgeJ.WaterSciTechnol19994081-8.7.J.2014652664-671.8DongXZhouWHeS.Removalofanaerobicsolublemi-crobialproductsinabiologicalactivatedcarbonreactorJ.JEnvironSci20132591745-1753.1965-。E-mailzhengjun6642@163.com2016-03-05·88·3219.watergasheat.com

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