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当前位置:首页 > 行业资料 > 其它行业文档 > SBR反应器中好氧颗粒污泥培养及处理汽车涂装废水试验杨丹丹
INDUSTRIALWATER&WASTEWATERVol.50No.1Feb.,20191,1,1,2(1.,230022;2.,230022):(51578003),[1]。SBR,,:,,SBR,。,45d,,,1.12mm,5g/L,SVI3036mL/g,。,,。EPSα-β-,,。,CODCrNH3-NPO43--P85%95%65%,。:;;SBR;:X703.1:A:%1009-2455(2019)01-0008-05CultivationofaerobicgranularsludgeinSBRandtreatmentofautomobilecoatingwastewaterYANGDan-dan1,ZHOUAn-lan1,LIUShao-gen1,2(1.AnhuiUniversityofArchitecture,Hefei230022,China;2.AnhuiKeyLaboratoryofWaterPollutionControlandWastewaterResourceUtilization,Hefei230022,China)Abstract:Inordertostudythecharacteristicsofaerobicgranularsludgetreatingautomobilecoatingwastewa-ter,aerobicgranularsludgewascultivatedinSBRbyusingsucroseascarbonsourceandincreasingautomobilecoatingwastewaterintheinfluentwaterstepbystep.Thechangesofsludgemorphologyandpropertiesaswellasthetreatmenteffectofautomobilecoatingwastewaterwereregularlymonitored.Theresultsshowedthat,fineparticlesappearedinthereactorabout45dayslater,thematuregranularsludgewasbrownishyellowwithdensestructure,theaverageparticlesizewas1.12mm,thesludgemassconcentrationwasabout5g/L,theSVI30wasabout36mL/g,andthesettingperformacewasbetter.Maturegranularsludgewascoveredwithbacilliofvaryinglengths,theouterlayerofthegranuleswasmainlylivebacteria,andtheinteriorwasdominatedbydeadbacteria.IntheEPS,α-polysaccharides,β-polysaccharidesandproteinsmainlydistributedonthesurfaceoftheparticles,alsoasmallnum-berofthemdistributedinsidewhilenoneinthecore.Automobilecoatingwastewaterhadnoobviousinhibitingeffectonaerobicgranularsludge,usinggranularsludgewithstablepropertytotreatautomobilecoatingwastewater,theremovalratesofCODCr,NH3-N,PO43--Pwere85%,95%and65%respectively,whichshowedagoodremovaleffect.Keywords:automobilecoatingwastewater;aerobicgranularsludge;SBR;cultivationanddomesticationSBR!!!!!!!!!!!!!!!!!!!!!!!!·8·,。。,,CODCr,[2-5],,,,。,,SBR,,。11.1SBR,,,12cm,77cm,6L。1。。1.2,MLSS3.5g/L,SVI3098mL/g。1.3(10d),,,NH4Cl,Na2HPO4。pHNa2CO3,7.5±0.5,。10d,,。,CODCr250~600mg/L,NH3-N25~50mg/L,PO43--P2~6mg/L,pH6.5~7.0。1。1.4SBR6,4h。10min,2min,25min,,25min20、15、10、8、6、4、3、2、1min,45s45s。203min227min。DO8.0mg/L,pH7.5±0.5,50%。1.5(CODCrNH3-NPO43--PMLSSMLVSSSVI30)[6]。,EPS[7-9]。22.12.1.12。,,。SBR,①②③④⑤1SBRFig.1StructureofSBR/dV()∶V()1~10100∶011~1599∶116~2097∶321~2395∶524~2693∶727~2991∶930~3489∶1135~3985∶1540~4480∶2045~4975∶25/dV()∶V()50~5470∶3055~5965∶3560~6460∶4065~6950∶5070~7440∶6075~7930∶7080~8420∶8085~8910∶9090~1100∶1001Tab.1Distributionratioofwaterintakeindifferentstages①②③④⑤,,:SBR·9·INDUSTRIALWATER&WASTEWATERVol.50No.1Feb.,2019。,45d,。60d,,0.75mm,,。90d,,,1.12mm。,,,。2.1.2SEM100dSEM3。3(a),,,,,。,DO,。3(b),,,。,,,[10]。2.2MLSS3.5g/L,SVI3098mL/g,。,45。4,10d,。,。45d,。,,,,。90d,,5g/L。,m(MLVSS)/m(MLSS),。(a)(b)45d(c)60d(d)90d2Fig.2Sludgegrowth(a)50(b)50003SEMFig.3SEMimagesofaerobicgranularsludge4MLSS、MLVSSFig.4ChangesofMLSS,MLVSSconcentrationsandtheirratios020406080100/dρB/(g·L-1)65432MLSSMLVSSm(MLVSS)/m(MLSS)1.00.80.60.40.20m(MLVSS)∶m(MLSS)5SVI30Fig.5ChangesofSVI30inthereactor020406080100/dSVI30/(mL·g-1)12010080604020·10·,。5,SVI30,,。0~40d,SVI30,,25min404min。,,,。,SVI3036mL/g。2.36。6,,,。,,,DO,。,DO。,,,。,。。Adav[11],,。[12],,。。2.4EPSCLSM7。7,EPS,,,。,β-,。Chen[13],β-,β-。,,,,,EPS。2.52.5.1SBRCODCrSBRCODCr8。8,,CODCr。,CODCr,70%(a)(b)(c)6Fig.6Stainingimagesofdeadandlivebacteria(a)α-(b)β-(c)(d)(e)a-d7CLSMFig.7CLSMimagesofaerobicgranularsludge8SBRCODFig.8EffectofSBRonCODremoval20406080100120/d100075050025001007550250/%ρ(CODCr)/(mg·L-1),,:SBR·11·INDUSTRIALWATER&WASTEWATERVol.50No.1Feb.,2019。10,CODCr。45d,,,CODCr85%,100mg/L。,,。90d,CODCr,。2.5.2SBRNH3-NSBRNH3-N9。9,NH3-N,90%,。,95%,,NH3-N。,NH3-N。,NH3-N,5mg/L,,NH3-N。2.5.3SBRPO43--PSBRPO43--P10。10,PO43--P,70.85%,,1mg/L。,70d,,PO43--P,1.5~2.5mg/L。(PAO)。SBR,,PAO。PAOPO43--P[14]。3(1),SBR。45d,,90d,。,,1.12mm。,,SVI3036mL/g,。(2),,。EPSα-β-,,。(3)CODNH3-NPO43--P85%95%65%,。:[1]ROSMANNH,NORAA,OTHMANI,etal.Cultivationofaerobicgranularsludgeforrubberwastewatertreatment[J].Biore-sourceTechnology,2013,129(2):620-623.[2],.[J].,2011,42(2):72-75.[3],.[J].,2012,43(3):67-70.[4],,,.SBR/%9SBRNH3-NFig.9EffectofSBRonNH3-Nremoval20406080100120/dρ(NH3-N)/(mg·L-1)604530150100755025010SBRPO43--PFig.10EffectofSBRonPO43--Premoval20406080100120/d10864201007550250/%ρ(PO43--P)/(mg·L-1)(18)·12·INDUSTRIALWATER&WASTEWATERVol.50No.1Feb.,2019[J].,2012,31(5):1160-1164.[5],.[J].,2015,46(6):61-65.[6],《》.[M].:,2013.[7]TAWAKOLIPN,AL-ALHMADA,HOTH-HANNIGW,etal.Comparisonofdifferentlive/deadstainingsfordetectionandquantificationofadherentmicroorganismsintheinitialoralbiofilm[J].ClinicalOralInvestigations,2012,17(3):841-850.[8]IVANOVAIA,KAMBAREVS,POPPOVARA,etal.Deter-minationofpseudomonasputidalivecellswithclassiccultivationandstainingwith"live/deadbaclightbacterialviabilitykit"[J].Biotechnology&BiotechnologicalEquipment,2010,24(2):567-570.[9]ZHOUD,DONGS,GAOL,etal.Distributioncharacteristicsofextracellularpolymericsubstancesandcellsofaerobicgranulescultivatedinacontinuous-flowairliftreactor[J].JournalofChemicalTechnology&Biotechnology,2013,88(5):942-947.[10].[D].:,2006.[11]ADAVSS,LEEDJ,TAYJH.Extracellularpolym
本文标题:SBR反应器中好氧颗粒污泥培养及处理汽车涂装废水试验杨丹丹
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