SBR中好氧颗粒污泥的培养及特性研究梁梦晓

:1005-0930(2009)04-0502-11　　:X703.1　　:Adoi:10.3969./j.issn.1005-0930.2009.04.002　:2008-07-16;:2009-03-19:(1984—),,.E-mail:[e-mail]:(1962—),,,.E-mail:[e-mail]梁梦晓,　倪晋仁(,100871):利用SBR反应器成功培养出好氧颗粒污泥,成熟颗粒污泥在进水pH值为7.22—8.82,温度20—30℃,COD为600—1500mg/L,氨氮不高于100mg/L情况下,对模拟生活污水有良好的处理效果,且C/N越高脱氮能力越强.将好氧颗粒污泥用于垃圾渗滤液生化出水深度处理中,能在6h内去除所有氨氮和亚硝氮,COD去除率可达30.30%,好氧颗粒污泥本身胞外多聚物明显增多,并出现直径4mm的绒球状颗粒污泥.:;;;(aerobicgranularsludge,AGS)、、、[1-6].,,,[7-11].[12-16],.SBR(sequencingbatchreactor),,,.,,(integratedbiologicalaeratedfilter,IBAF),.1　1　Table1　CharacteristicsofactivatedsludgeMLSS19.532g/L1.0019g/cm3MLVSS10.794g/L99.13%SV740ml/LSVI147.6mL/g1.1　SBR,,,5IBAF,1、23.17420098JOURNALOFBASICSCIENCEANDENGINEERINGVol.17,No.4August20092　Table2　Waterqualityofwastewater/mg/L/g/LCOD(C6H12O6-C)1000FeSO4·7H2O3NH+4-N(NH4Cl)50CuSO4·5H2O0.03PO3-4-P(KH2PO4)10ZnSO4·7H2O0.12MgSO4·7H2O100CoCl2·6H2O0.15NaHCO3500MnCl2·2H2O0.121mlKI0.183　IBAF(mg/L)Table3　WaterqualityofoutputwaterofIBAF(mg/L)CODpH691.3—1023.52.98—22.40.21—3.39127.9—379.95.57—7.471.2　SBR1.,10L,1300mm,100mm,13.650mm、1000mm,650mm.,.,(28±2)℃.,、、,50%.1.;2.;3.;4.;5.;6.SBR;7.;8.;9.;10.1　SBRFig.1　SchematicdiagramofSBR503No.4:SBR　　COD,SBR,,,,.SBR6h,1min、20min、300min、tmin()、1min、,12h.1.3　[17],MLSS、MLVSS、SV,EPS,Lowry,-.、SBAR[1],OLYMPUSCX31,ESEM,FEIQUANTA200F.2　2.1　SBR,,2.,,,,,、.2　10Fig.2　Morphologyofthesludge(×10)3,,SVI.COD,、,,,,SVI.,SVI,20—30mL/g,SV3030s,SVI.4,,.90—100d1mm,SVI,40mL/g.MLSS、MLVSS(MLVSS/MLSS).5,,MLSS,,,504　　　　　　　　　　　　　　Vol.173　Fig.3　Sludgeindexvs.cultivatingtime4　Fig.4　Settlingvelocityonwater-sludgeinterfacevs.cultivatingtime5　MLSS、MLVSSFig.5　MLSS,MLVSSanditsratiovs.cultivatingtime,,4.878g/L7.452g/L.,,,,,.,30d,.30—70d,,,,MLSS.70d,MLSS,(3.4±0.4)g/L.90d,,,MLSS;10d,,,MLSS5.8±0.2g/L.55%,,,,85%.,,89%.,30d、31—90d90d.SBR6.COD96%,,,,COD60mg/L.2mg/L,96%,99.5%.7,,,.,,,,[15].COD2kgCOD/(m3·d),50—85mg/L,SBR505No.4:SBR6　Fig.6　Treatmenteffectvs.cultivatingtime7　Fig.7　Nitrogenvs.cultivatingtime,,60%80%.2.2　,,0.5—1.0mm,4.23—6.94mm/s(15.2—25m/h),,.1.0156,1.0029,,;97.22%,99.13%[3].8　SEMFig.8　SEMimageofaerobicgranularsludge8,,,;,,,,.EPS162.15mg/gMLSS,EPS48.79mg/gMLSS;24.13mg/gMLSS,22.68mg/gMLSS.2.156.72,3.12.,,,[18].,,,.,,EPS,;EPS506　　　　　　　　　　　　　　Vol.17,.EPS.2.3　2.3.1　COD　　9,COD300—3000mg/L,,COD60mg/L.COD300mg/L,COD,,;COD600—3000mg/L,COD97%.COD,85%.,COD.,,,,.COD,,COD[19-20].9　CODFig.9　Short-terminfluenceofCOD10　CODFig.10　Long-terminfluenceofCODCOD,20.10,COD300mg/L,COD60mg/L,,,,.COD600—1500mg/L,COD27mg/L,.COD2000—3000mg/L,COD,COD,,.,3000mg/L,.COD1000mg/L,COD,3000mg/LCOD;COD,COD600—1500mg/L.2.3.2　　　,COD,COD;,,.,(50mg/L),507No.4:SBR,100mg/L,,,,,,.11　Fig.11　Influenceofinfluentammonium2.3.3　pH　　pH7.22—8.8299%,pH6.5492.47%,pH.,pH,,;,pH,pH8.0[19-20].pH8.81,,.,pH7.22—8.82,.12　pHFig.12　InfluenceofpH13　Fig.13　Influenceoftemperature,COD.20—30℃.,,.15℃,.(35℃),.2.4　2.4.1　　　,,.14,,6,COD.30.30%COD6.73%.IBAF,,,,,,COD.COD,508　　　　　　　　　　　　　　Vol.17.、、COD6h,,,,,.17　16Fig.17　Morphologyofaerobicgranularsludgeafter16cycles16　Fig.16　Treatmenteffectvs.time2.4.2　　　15,MLSS2.75g/L,MLSSCOD,MLSS2.75g/L,COD.MLSS,MLSS,,.0.5mg/L,0.92mg/L.14　Fig.14　Treatmentofwastes15　MLSSFig.15　InfluenceofMLSSontreatmenteffect2.4.3　　　,,COD900mg/L,3mg/L,6h,50%,16.16,3COD663mg/L728mg/L,730mg/L,.,,,..BOD,,.16,.MLSS80.58%,3.652g/L,,.MLVSS/MLSS,.509No.4:SBR17,,;,4mm,,.3　SBR,,、.0.5—1.0mm,,,、、、.EPS,EPS.600—1500mgCOD/L,3000mg/LCOD;COD,85%.,100mg/L,,,.pH7.22—8.82,20—30℃.,6h、,COD30%.MLSS2.75g/L.16,,4mm,,,.[1]　.SBAR[D].:,2004:6-14　WangFang.Cultivationandcharacteristicsofaerobicgranularsludgeinsequencingbatchairliftreactor[D].Dalian:DalianUniversityofTechnology,2004:6-14[2]　LiuY,YangSF,XuH,etal.Biosorptionkineticsofcadmium(Ⅱ)onaerobicgranularsludge[J].ProcessBiochemistry,2003,38:997-1001[3]　,,,.[J].,2004,5(11):27-30　ZhangXingwen,WangFang,YangFenglin,etal.Researchanddevelopmentoncharacteristicsofaerobicgranularsludge[J].TechniquesandEquipmentforEnvironmentalPollutionControl,2004,5(11):27-30[4]　MorgenrothE,SherdenT,VanLoosdrechtMCM,etal.Aerobicgranularsludgeinasequencingbatchreactor[J].WaterResearch,1997,31(12):3191-3194[5]　BeunJJ,HendriksA,VanLoosdrechtMCM,etal.Aerobicgranulationinasequencingbatchreactor[J].WaterResearch,1999,33(10):2283-2290[6]　.[D].:,2007:33-37　WangJingfeng.Studyonnitrogen,phosphateremovalofaerobicgranularsludgeandgranularsludgemembranebioreactor[D].Tianjin:TianjinUniversity,2007:33-37510　　　　　　　　　　　　　　Vol.17[7]　PengD,BernetN,DelgenesJP,etal.Aerobicgranularsludge:Acasereport[J].WaterResearch,1999,33(3):890-893[8]　BatstoneDJ,KellerJ.Variationofbulkpropertiesofanaerobicgranuleswithwastewatertype[J].WaterResearch,2001,35:1723-1729[9]　,.[J].,1999,20(2):39-41　ZhuJianrong,LiuChunxin.Cultivationandphysicchemicalcharacteristicsofgranularactivatedsludgeinalternationofanaerobic/aerobicprocess[J].ChineseJournalofEnviromentalScience,1999,20(2):39-41[10]　DaguerR.Anaerobicactivatedsludge[J].WaterPollControlFed,1996,38(2):220-226[11]　LiuY,TayJH.Stateoftheartofbiogranulationtechnologyforwastewatertreatment[J].BiotechnologyAdvances,2004,2