1,1*,1,2(1., 310029;2., 310012):,、、,.、,、、、.、.:;;;:X703.1 :A :0250-3301(2007)11-2657-08:2006-11-25;:2006-12-22:(30470039);(20050335133):(1979~),,,,E-mail:felix79cn@zju.edu.cn*,E-mail:xuxy@zju.edu.cnResearchAdvanceinAerobicSludgeGranulationforWastewaterBiologicalTreatmentZHULiang1,XUXiang-yang1,LUOWei-guo1,ZHAYu-ming2(1.DepartmentofEnvironmentalEngineering,ZhejiangUniversity,Hangzhou310029,China;2.ZhejingAtmosphereEnvironmentalProtectionGroupCo.Ltd.,Hangzhou310012,China)Abstract:Thefundamentalsandapplicationsofaerobicsludgegranulationtechnologyinwastewaterbiologicaltreatmentarereviewed.Theaspectsdiscussedincludethegeneralcharacteristicsandmicrobialstructureofaerobicgranules,majorfactorsinfluencinggranulation,modelsofsludgegranulation,andtheirapplications.Thisreviewishopedtoelucidatingaunifiedinterpretationoftheformationofaerobicgranulesundervariousoperationconditions.Aerobicgranulesareself-immobilizedaggregatesofbacteriaandhavearegularandsmoothroundshape,compactmicrobialstructureandgoodsettlingability.Granulationisdependingonthecompositionandloadingofthesubstrate,appropriatehydraulicselectionpressureandoperationcondition.Keywords:aerobicgranules;operatingparameters;microbialstructure;mechanismofgranulation ,,[1,2],UASB、EGSB.2090,,、USB、SBR、、,、[3~24].、、.1 ,、,:①,;②,、;③,;④.1.1 Table1 Characteristicscomparisonbetweengranulatedandfloc-likesludgesmm0.2~5.0≤0.1m·h-130~708~10MLSSg·L-16~122~4SVImL·g-120~70100~300g·cm-31.004~1.0651.002~1.006%97~98≥99%40~75~30PSPNmg·mg-10.1~5~0.5kg·(m3·d)-12.5~150.5~21.1 ,,(shapefactor)(aspect2811200711 ENVIRONMENTALSCIENCEVol.28,No.11Nov.,2007DOI:10.13227/j.hjkx.2007.11.032ratio)0.50.7,0.2~5mm[3~9,21].Li,0.4mmDO,DO,,1mm0.5mm13[25];Su,0.50mmDO,1.00mm0.55,0.25mm0.56,[20].,1.6mm、,[9,10];Kreuk(1.75mm)[22].1.2 1.004~1.065,98%,、,[11~13].,,95%(integritycoefficient),[7].(SVI)2.,SVI,50mL·g-1;30~70m·h-1,8~10m·h-1[10,14].,,,,[15];2005Liu(vs)SVI、(dp)(X),vs[16].1.3 ,Gibbs,,,[24,26].40%~75%,2;[15,27].(extracellularpolymericsubstances,EPS)(PS)、(PN)、、、,、,、.EPS,EPS,PSPN,0.1~5mg·mg-1[5,9];McSwainEPS,EPSPN(VSS),(73±5)mg·g-1(50±5)mg·g-1,PS(11±2)mg·g-1(8±2)mg·g-1,EPSPNPS[18];WangEPS47mg·g-1,2.8,、[28];Wang[19].,EPSPN,PN、,、[18,28].,PS,[17].1.4 ,(SOUR).SOUR40mg·(g·h)-1,,DO,SOUR[8,10,12].Liu,SOUR,SOUR41.9018.32mg·(g·h)-1,42[27];,SOUR6[47].1.5 ,、、.,、,[12,29~34].,Toh0.3~5.0mm,SV、35.99m·h-1、2.46g·(L·g)-180.83m·h-1、5.92g·(L·g)-1,VS2658 28TS、、SVI88.16%、99.22%、34.90mL·g-174.35%、89.51%、66.02mL·g-1,[29];BeunDO、17~20μm115~520μm,(0.4mm)、,(1.7mm)[9].,300~500μm,、DO、[11];McSwainEPS,,,[18].,,[12].LiuNCOD,,、[23];TayNitrosomonassp.70~100μm,800~900μmBacteroidessp.,800~1000μm[30~32];JangFISH(-Eub338、-Nsm156),,300μm[33].,Meyer-SBR,Competibacter,100μm[34].2 2.1 ,、、、,、[4,6,7,35~39].Tay,2.4mm,、,,1.1mm,,[51].,、.SBR2.5~15kg·(m3·d)-1,1.6~1.9mm,、SVI[37,40];Tay1~2kg·(m3·d)-1,,8kg·(m3·d)-118d,,4kg·(m3·d)-1,[38,39];YangNCOD5100~30100,SBR,NCOD5100,1.9mm,NCOD,,、NCOD[12];Jiang、2.0kg·(m3·d)-1,[41].2.2 [3,4,6,7,42,43].,、、,、[3~7];,,[44].2005Tay2SBR1.8kg·(m3·d)-1,R14d,R23d0.3mg·L-1,[45];,0~2.4kg·(m3·d)-14,[46].2.3 ,,、.(HD)[7,10,32,40];(BSAR),、(SBAR),265911:、HD[9].,SBR,[20].2.4 2.4.1 、,,,.,≥1.2cm·s-1SBR,EPS、SOUR、、[5,24,29,36].Peng0.7~1.0mg·L-1DO,100L·min-1300L·min-1,[6];Dilaconi10-5N·cm-2,,10-4N·cm-2,、,[36].2.4.2 MorgenrothHRT,[3,4].,(),,[7].TaySVI、、,(、SVI),[17];Qin5~20min4SBR,≤15min3,,4SBRSVI140mL·g-140mL·g-1,50%70%,SOUR230mg·(g·h)-1280mg·(g·h)-1[10].2.4.3 Beun,HRT8hSBR,HRT6.75h[4];Tay4SBR,(24h)(3h)2,6h12h,,[48].,2———(aerobicstarvation),,EPS、,[7].LiEPS(PN)、,EPSPN、PS18.0、7.0mg·g-15.8、2.9mg·g-1,0.203meq·g-10.023meq·g-1,28.8%60.3%,EPS[49].,,[26].2.4.4 (DO),,DO0.5mg·L-1SBR[6,50].,DO、、、[34,35,51],,DO[12,52,53].Liu,、SVI、VSSSS[54].,,.2.5 Ca2+,Ca2+—,.,SBR100mg·L-1Ca2+16d,、,Ca2+32d[55].Kreuk20℃,8℃,、,DO,、,[56].Li2660 28,R1432(1~2mm,),R24~5mm,R3、,[57].3 ,、,、、,[3~5].,,,,、、、;、,,;5~6mm,DO,,,、、(1).1 Fig.1 Proposedmechanismofaerobicsludgegranulationinoculatedwithactivatedsludge4 4.1 、、,,SBR2.5~15kg·(m3·d)-1,MLSS6~12g·L-1,COD85%[27,37~40].4.2 ,DO,,,0.15~1.5g·(m3·d)-1[6,12,32,33,52,53,58].NCOD,LiuNCOD,NCOD510030100,2mm0.5mm,0.12d-1,,[23];Belén28m3SBR,7kg·(m3·d)-10.7kg·(m3·d)-1,80%70%[59];SND,COD、90%、100%[42].4.3 (EBPR)-,、;、,.1999SBR,COD90%[13];TNTP2.36,TNTP4.085.0%54.1%[44];LinPCOD1100~10100SBR,EBPR,1.9%~9.3%,PCOD,[60];ZengDO0.5mg·L-1,CODN、P[61];CassidySBRVSS266111:1520mg·L-1、COD7685mg·L-1、TKN1057mg·L-1、TP217mg·L-1,1.7mm,ZSV51m·h-1、SVI22mL·g-1,CODTP98%,VSS97%[62].4.4 Tay、2.5kg·(m3·d)-1SBR,(8.2±0.8)g·L-1,(VSS)(0.41±0.03)g·g-1,TOC98%99.9%,0.55g·(g·d)-1[41,63];Jiang10,PG-01、PG-02PG-08,PG-01(0.292±0.011)g·(g·h)-1,PG-08、PG-02[64,65];JiangPropioniferax-likePG-02()Comamonassp.PG-08()250mg·L-1,2,[66];Yi(PNP),PNP19.3mg·(g·h)-1,PNP49%,、、、2,4-、2,6-[67];TaySBRTBA100~600mg·L-1,180d,TBA,Haldane,Vmax、Ks、Ki(24.9±3.1)mg·(g·h)-1、(161±10)mg·L-1、(3314±386)mg·L-1[68];NancharaiahNTAFe(Ⅲ)-NTA,0.7、0.37mmol·(L·g·h)-1,[69];(SABR),0.9~2.5mm,60m·h-1,(0.175±0.005)g·(g·d)-1[47].5 、、、,、,.,,,、.,3:(1),、、,,,.(2)、、,(、、EPS),().(3),、,,.:[1]HulshoffPolLW,LettingaG.GranulationinUASBrea