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:,,1982,,(,100875),(SVI)(MLSS):SVIMLSS,,SVI;MLSS;1.31.5mm,,SVI,,MLSSFactoranalysisforaerobic2granulationinactivatedsludgeprocessWangShanquan,ZhuJianrong.(SchoolofEnvi2ronment,BeijingNormalUniversity,Beijing100875)Abstract:Inthiswork,therelationshipsamongMLSS,settlingvelocity,SVIanddiametersoftheaerobicgran2ule(D)inthereactorcultivatingaerobicgranuleswithgray2systemanalysismethodwasstudied.TheresultsindicatedthattheorderinfluencingsettlingvelocitywasSVIDMLSS,whichilluminatedthattheeffectsofsettlingvelocityontheconversionofconfigurationandgranulationofaerobicsludgewasthemostobvious.Intheprocessofgranula2tion,thesludgebecamedenseandSVIbecamesmaller,whichwasaperfectindexforjudging.AmongSVI,D,MLSS,theeffectofsettlingvelocityonMLSSwastheleast.Theoptimaldiameterofgranuleshouldbeintherangeof1.31.5mm,andtheeffectofgranule2diameteronreducingSVIwasmaximal,whichhadimprovedthefurthestsettlinga2bilityofthegranuleandhadreachedthemaximumofthebiomasspervolume.Keywords:SludgegranulationAerobic2granuleInterferenceanalysisAffectingfactors1997(SBR)[1]319123194,[1]3192,[2,3][4],,,,,,,,,(SVI)(MLSS)SVI,,,MLSS,4(),,,,,[5],,,?511?,,[6,7],,SVIMLSS4,,,11.1,m:{X(0)1(K)},K=1,2m1{X(0)2(K)},K=1,2m2{X(0)N(K)},K=1,2mNm1m2,mN,,NN,X(0)i(K)(i=1,2,N),:{X(0)0(K)},K=1,2m0,X(0)0(K)r0i{0,1},:r0i,X0Xi;r0iX0Xi;X(0)0(K),r0i1;r0iXiX01.21.2.1SVIMLSS,,,,,X(0)i(K)=X(0)i(K)-minKX(0)i(K)maxKX(0)i(K)-minKX(0)i(K)(1):maxKX(0)i(K)Kmi;minKX(0)i(K)Kmi1.2.2,{X(j)0(K)}(j=1,2,P;K=1,2,m0);{X(0)i(K)}(i=1,2,N;K=1,2,mi),:i(K)=miniminK0i(K)+maximaxK0i(K)0i(K)+maximaxK0i(K)(2):i(K)XiX0K;0i(K)=|x0(K)-xi(K)|1.2.3K,,i,mi,riri=1mimiK=1i(K)i=1,2,N(3)ri,2SVI,MLSS,12.1SVISVI,X(0)1(K);X(0)2(K);MLSSX(0)3(K),SVI,22r01()r02()r03(MLSS),SVI:MLSS,1Table1Originalexperimentaldata1[8]2[9]3[10]4[11]5[12]6[13]7[14]SVI/(mL?g-1)706563201426.540/(m?h-1)16.2303630123632.7/mm1.01.12.41.51.31.377.35MLSS/(g?L-1)4.08.65.910.0616.58.07.8?611?292200722SVITable2Relative2coefficientandrelative2degreeofSVIi1234567r0i10.5480.8610.8890.6091.0000.5630.7150.74120.5000.5280.6040.9730.9550.8580.6510.72430.5000.6480.5800.7260.5000.9120.8620.675,,,,,,SVI,,SVI,SVISVI80150mL/g150mL/gSVI80mL/g,,,,,,SVI2030mL/gSVI1520mL/g,SVI3()SVI[15]3SVITable3SVIofthesludgemixtureversustheproportionofaerobicgranulesinthemixture123456/%02.510.815.024.0100.0SVI/(mL?g-1)8063533426182.2MLSS,SVIX(0)1(K);X(0)2(K);MLSSX(0)3(K),,4MLSS,SVIX(0)1(K);X(0)2(K);X(0)3(K),,545:,r01(SVI)r02()r03(MLSS);MLSS,r02()r01(SVI)r03()MLSS,SVISVI,:,;,SVIMLSS,MLSS,MLSS:,,,;,,,MLSS,MLSSSVI,MLSS4Table4Relative2coefficientandrelative2degreeofsettlingvelocityi1234567r0i10.5480.8610.8890.6091.0000.5630.7150.74120.8510.5770.5620.5980.9550.5150.8800.70530.8510.7240.5410.7910.5000.5950.6410.6635MLSSTable5Relative2coefficientandrelative2degreeofMLSSi1234567r0i10.5000.6480.5800.7260.5000.9120.8620.67521.0000.7400.9360.7110.5120.7920.5900.75430.8510.7240.5410.7910.5000.5950.6410.663?711?6SVI1)Table6Relationshipbetweengranule2diameterandSVI1234567/mm1.01.11.31.371.52.47.35SVI/(mL?g-1)70651426.52063400.5000.5280.9550.8580.9730.6040.651MLSS/(g?L-1)4.08.616.58.010.065.97.8:1)SVIMLSS[814]2.3MLSSSVI11,,1,MLSS,SVI,MLSS1MLSSSVIFig.1TherelationshipamongMLSS,settlingvelocity,SVIandgranulardiameterinaerobicgranularsludgesystem:10.754;20.741;30.724;40.705;50.675;60.6636SVIK,6,(1.31.5mm),SVI,,;,SVI(),TSUNEDA[16],1.31.5mm,,,,,3(1)SVI:MLSS,(2),SVISVISVI1520mL/g,,(3)SVIMLSS,MLSS,MLSS(4)1.31.5mm,SVI,,[1]MORGENROTHE,SHERDENT,VANLOOSDRECHTMCM,etal.Aerobicgranularsludgeinasequencingbatchreac2tor[J].Wat.Res.,1997,31(12).[2],.[J].,1999,2(20):38241.[3]BEUNJJ,VANLOOSDRECHTMCM,HEIJNENJJ.Aer2obicgranulationinasequencingbatchairliftreactor[J].WaterRes.,2002,36:7022712.[4]ZHUJianrong,LIUChunxin,WILDERERPA.Bio2Premovalprofileofaerobicgranularactivatedsludge(AGAS)fromananaerobic/aerobicSBRsystem[C]//BATHES,DEKREUKMK,MCSWAINBS,etal.AerobicGranularSludge.Munich:IWA,2004:79286.[5].[M].:,1985:3482374.[6],.[J].,1993,15(4):62265.[7]LIXiaoming,ZENGGuangming,LIUJingjin,etal.Predictionoftheamountofurbanwastesolidsbyapplyingagraytheo2reticalmodel[J].JournalofEnvironmentalSciences,2003,15(1):6392643.[8]BEUNJJ,VANLOOSDRECHTMCM,HEIJNENJJ.AerobicGranulation[J].Wat.Sci.Technol.,2000,41(4/5):41248.[9]TAYJH,LIUQishan,LIUYu.Microscopicobservationofaerobicgranulationinsequentialaerobicsludgeblanketreactor[J].JournalofAppliedMicrobiology,2001,91(1):1682175.[10]TAYJH,LIUQishan,LIUYu.Characteristicsofaerobicgran2ulesgrownonglucoseandacetateinsequentialaerobicsludgeblanketreactors[J].EnvironmentalTechnology,2002,23(8):9312936.(122)?811?292200727Fig.7Controlexperimentwithoutbacteriaandduplicatedexperiment3Cu,,220mL2.24.4g,Cu90%,11.022.0g,Cu,15d90%,Fe2+,,Fe2+Fe3+Fe,[1],.[J].,2004(2):11214.[2]RONA,PENEVK.Disassemblyandrecyclingofelectronicconsumerproducts:anoverview[J].Technovation,1995,15(6):3632374.[3]MANEDN,BJORKMANB,ALLAINEG.Combustionofplasticscontainedinelectricandelectronicscrap[J].Resource,ConversationandRecycling,1998,24:65285.[4]ZHANGShunli,FORSSBERGE.Optimizationofelectrodynamicseparationformetal