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218 Vol.21 No.820058CleaningWorldAug 200524 20058··MBR膜的污染及其清洗技术研究进展葛元新 朱志良(,200092) 针对环境污染控制中广泛应用的膜生物反应器(MBR),阐述了其污染的主要来源和影响因素,重点介绍了膜清洗的几种方法及发展状况,并提出了膜清洗技术的发展方向。 MBR 膜污染 清洗 进展 TQ028.8 ASourceofmembranefoulingofMBRanditscleaningtechnologyprogressGEYuanxin,ZHUZhiliang(StateKeyLaboratoryofPollutionControlandResourceReuse,TongjiUniversity,Shanghai,200092)Abstract Focusonthemembranebioreactor,MBR,whichhasawideapplicationinthefieldofpol-lutioncontrol,thepossiblesourcesandinfluencingfactorsofmembranefoulingofMBRwerereviewed.Somecleaningmethodsofmembraneandtheirdevelopmentwereintroduced.Thedevelopmenttenden-cyofmembranepollutioncontrolanditscleaningtechnologywerepointedout.Keywords MBR;membranefouling;cleaning;development ,(membranebioreactor,MBR),,、、、,[1,2]。,,MBR[3]。,,、,MBR。MBR,,MBR。 1 膜污染 ,、:2005-06-13:(50478103);(2003BA808A17):(1971-),,,,,。 21 ·25 · 2005825 ,,、,,,,[4],(IUPAC)[5]。[6]。。1.1 MBR,,(PS)、(PES)、(CN)、(CA)、-(CN-CA)、(PE)、(PP)、(PAN)(PVDF)。,、3[7]。1.1.1 滤饼层,。,。、、、、,CaCO3CaSO4。、、,、[8]。,,。1.1.2 溶解性有机物质MBR,、,,,。1.1.3 微生物污染。,、、。,,,,,,[4,9]。、[10]。Flemming4[8]:,,,。,,。、,,。、。1.2 、MBR、。1.2.1 膜固有性质、,(PE)、(PP)、(PAN)。[11],,,。,、。1.2.2 MBR运行条件、, ·26 · 21 26 20058、、,MBR,、。[12],,,。[13],(SMBR),,,,,SMBR。1.2.3 污水特性。,;,;。,,[8]。,MBR,,,。,,,,,。 2 膜清洗技术MBR,、、,,,,。2.1 ,γ[14]:γ=K/K0×100%,K———,L/(m2·h);K0———,L/(m2·h)。2.2 、。,。。2.2.1 物理清洗、。,,,。1):,。,,。MBR[15],、,,,,,。[16],、、,,,,;,。,[17]。2):,,,。,, 21 ·27 · 2005827 ,,[18]。3):Civisvanathan-[19],15min-15min,,,271%。,。4):,,2~3d,[20]。,。,,。5):、,,。MBR,,30%。BienJanuary[21],。MBR,,。6):,,,。,、、。2.2.2 化学清洗MBR,,,,。,()、(、、)、()、、、、,。,,。。,、。,,。,、,。,,,、,。[22],,,,。,、、,(RMBR)[7]。,,。2%~5%[7],[15],MBR。[23],,,NaClO ·28 · 21 28 20058,;、,。。,,,MBR,,,。2.2.3 物理-化学清洗MBR,,,。-,90%[24]。-(PAC-MBR),,[14],、,,、、NaClO、HCl95%。54%,38%。[16],0.05%NaClO1h,0.5%H2SO41h,100%,,,。,。[25],MBR130d27.8%,3:※0.3%12h※0.4%NaClO12h。76.9%,,50.9%;7.9%41.2%。 3 膜污染控制及清洗技术发展展望[26],,MBR,。1)、、。、,、,、、,,[27,28]。,,MBR。2)MBR,,,、,MBR。3),,。4),、MBR,MBR。5)MBR、、,,,。 21 ·29 · 2005829 [1]ChangIS,KimSN.Wastewatertreatmentusingmembranefiltration-effectofbiosolidsconcentrationoncakeresistance[J].ProcessBiochmistry,2005,40(3-4):1307~1314.[2]JiangTao,KennedyMariaD,vanderMeerWalterGJ,etal.TheroleofblockingandcakefiltrationinMBRfouling[J].Desalination,2003,157(1-3):335~343.[3]GanderM,JeffersonB,JuddS.AerobicMBRsfordomesticwastewatertreatment:areviewwithcostconsiderations[J].SeparationandPurificationTechnology,2000,18(2):119~130.[4] ,.[J].,2001,21(3):62~67.[5]KorosWJ,MaYH,ShimizuT.Terminologyformembranesandmembraneprocesses-IUPACrecommendations1996[J].JMembrSci,1996,120:149~159.[6],,.[J].,1999,20(3):57~60.[7],, .[J].,2001,21(6):1~3.[8],,,.[J].,2003,19(5):31~34.[9] , , ,.—[J].,1999:25(1):24~29.[10] , .[J].,2000,21(2):58~61.[11] ,,.[J].,2002,18(2):91~92.[12] , , ,.-[J].,2002,3(1):17~21.[13] , , ,.[J].,1999,20(3):38~41.[14]·, , .PAC-MBR[J].,2003,29(5):1~4.[15] ,,,.[J].,2001,34(6):63~66.[16], .[J].,2004,5(8):43~46.[17],,.[J].,1997,17(4):439~444.[18],,.-[J].,2003,21(2):7~9.[19]Civisvanathan,YangBS,etal.Applicationofairbackflush-ingtechniqueinmembranebioreactor[J].WatSciTechn-ol,1997,36(12):259~266.[20],.MBR[J].,2003,1:12~15.[21]JanuaryB,WolnyLidia.Changesofsomeswagesludgepa-rameterspreparedwithanultrasonicfield[J].WatSciTechnol,1997,36(1):101~106.[22]ZengPing,WuZichao,WuTao,etal.Thestudyofmem-branecleaninginmembranebioreactor[C].InternationalSymposiumonMembraneTechnologyandEnvironmentalProtection,Beijing:2000,73~77.[23], .[C].,444~448.[24] ,, ,.[J].,2001,14(4):5~7.[25],, ,.MBR、MCR[J].,2004,20(7):49~53.[26] ,,,.[J].,2000,26(5):10~13.[27]LikH,BarbariTA.Performanceofpoly(vinlyalclhol)thin-gelcompositeuitrafiltrationmembra[J].JMembrSci,1995,105:71~78.[28] .[J].,2000,26(5):10~13.
本文标题:MBR膜的污染及其清洗技术研究进展葛元新
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