餐厨废水强化EGSB反应器处理焦化废水的启动郑俊

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-mail]2016－03－05·88·3219．watergasheat．com