不同超滤组合工艺净水及膜污染的中试研究陈益清

GB5749－200635106263NTU1NTU[1]。、[2]。[3]。SaraviaF[4]JermannD[5]NOM。ZularisamaAW[6][7-8]。、[9]。HCLi[10]。LiY[11]CampinasMPAC[12]。[13]PAC/。/PAC/。11.11/2min20minPACl4mg/L。PAC/PACPAC3～10μm10mg/L20min。2-PVDF36m2、1.0mm、1.8mm0.02μm150k28L/(m2·h)90min2min70L/(m2·h)。12:1TMP。12211.5180552.7100552。//、CODMn、UV254、DOC99.6%、34.8%、31.3%、24.9%99.4%、35.0%、32.4%、29.5%。/CODMn、UV254、DOC//。///。TU991.22A1000-3770(2014)[e-mail]40720147TECHNOLOGYOFWATERTREATMENTVol.40No.7Jul.,201476DOI:10.16796/j.cnki.1000-3770.2014.07.0221.2HACH1720DTMPI-BR2UV254CARY50-2CODMn2pH2DOCTOC-VCPH10.45μm。1.33～13NTU2μm7662～34560mL-1CODMn0.95～2.04mg/LUV2540.019～0.038cm-1DOC2.56～5.0mg/LSUVA0.493～1.193L/(mg·m)pH7.12～7.76。22.12.1.1/(0.023±0.0023)NTUPAC/(0.045±0.0041)NTU99%/。2.1.22μm(15418±6014)mL-1/2μm(32±13)mL-1(99.7±0.2)%PAC/2μm(31±16)mL-1(99.7±0.2)%。/PAC/50mL-199%。2.2COD2.2.1CODMn/CODMn(0.93±0.22)mg/L(34.8±6.6)%PAC/CODMn(0.87±0.16)mg/L(35.0±5.9)%。PAC/CODMn。[14]PACPAC--。2.2.2UV254UV254、。/UV254(0.019±0.002)cm-1(31.3±4.5)%PAC/UV254(0.018±0.004)cm-1(32.4±11.4)%。PAC/UV254//UV254。[15]PACUV254。2.2.3DOCDOC。/DOC(2.83±0.36)mg/L(24.9±8.6)%PAC/DOC(2.82±0.53)mg/L(29.5±9.9)%。PAC/DOC/DOC。[16]/DOCPAC/PAClPACDOC。2.2.4SUVASUVAUV254DOC/SUVA。/SUVA1a/1Fig.1Schematicdiagramofexperimentalsetups1bPAC/77(0.40±0.08)L/(mg·m)(0.52±0.11)L/(mg·m)PAC/SUVA(0.60±0.17)L/(mg·m)(0.70±0.12)L/(mg·m)。/SUVAPAC/PAC。2.3/PAC/72dTMP。20121010～1221/TMP15.6kPa0.22kPa/d。TMPTMP。PAC/TMP9.5kPa0.15kPa/d。PAC/TMP。TMP/TMP/TMPPAC/TMP。PAC。2.4SEM2SEM。20000。2.4.1SEM2。SEM/PAC/。2.4.22SEM3。SEM/PAC/。PAC。3PAC20.1NTU2μm50mL-199%2。/CODMn、UV254DOCPAC/。PAC。/TMPPAC//PAC/TMP0.22kPa/d0.15kPa/d。PAC。[1],.GB5749-2006[S].:,2007.[2]YuW,GregoryJ,CamposL.Theeffectofadditionalcoagulantonthere-growthofalum-kaolinflocs[J].SeparationandPurificationTechnology,2010,74(3):305-309.[3]LeeNH,AmyG,CroueJP,etal.Identificationandunderstandingoffoulinginlow-pressuremembrane(MF/UF)filtrationbynaturalorganicmatter(NOM)[J].WaterResearch,2004,38(20):4511-4523.[4]SaraviaF,ZwienerC,FrimmelFH.Interactionsbetweenmembranesurface,dissolvedorganicsubstancesandionsinsubmergedmembranefiltration[J].Desalination,2006,192(1):280-287.[5]JermannD,PronkW,MeylanS,etal.InterplayofdifferentNOMfoulingmechanismsduringultrafiltrationfordrinkingwater2SEMFig.2ComparisonofpollutedUFsurfaceSEMpictures2a/2bPAC/3SEMFig.3ComparisonofUFSEMpicturesafterchemicalcleaning3a/3bPAC/40778SPATIALDISTRIBUTIONOFMICROORGANISMSINSWISANDTHEIRCORRELATIONWITHPOLLUTANTSREMOVALFORWASTEWATERTREATMENTZhangSi1,NingGuohui1,LiHaoyang2,YangZhengzheng1,XieJianzhi1(1.CollegeofResourcesandEnvironmentScience,CollegeofResourcesandEnvironmentScience,AgriculturalUniversityofHebei,Baoding071001,China;2.CollegeofBiologicalSciencesandBiotechnologyBeijingForestryUniversity,Beijing100083,China)Abstract:Thenumberofmicroorganismsatdifferentdepthinsubsurfacewastewaterinfiltrationsystems(SWIS)wasmonitoredbyplatecountingandMPN,andthecorrelationbetweennumberofmicroorganismsandwastewaterpurificationeffectswerestudied.Theresultsindicate:Thenumberofmicroorganismsinsubstrateindifferentspacesisdifferent,exceptthedenitrifyingbacteriaandotherbacteriagenerallydecreasingfromthesurfacetothebottom.ThenumberofbacteriaandCODremovalrateissignificantlycorrelated,thenumberofbacteriaanddenitrifyingbacteriaissignificantcorrelationwithTNremovalrate,andthenumberofnitritebacteriaisextremelysignificantcorrelationwithNH4+-Nremovalrate,indicatingthattheactionofmicroorganismprobablyisthemainwayfortheirremoval.ThenumberofmicroorganismisnotinterrelatedmarkedlytoremovalofTP,whichshowingthatmicroorganismintheprocessofTPremovalisverylimited.Keywords:SWIS;microorganism;purifyingeffects;correlation66!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!production[J].WaterResearch,2007,41(8):1713-1722.[6]ZularisamAW,IsmailAF,SalimMR,etal.Theeffectsofnaturalorganicmatter(NOM)fractionsonfoulingcharacteristicsandfluxrecoveryofultrafiltrationmembranes[J].Desalination,2007,212(1):191-208.[7]LaEnéJM,VialD,MoulartP.Statusafter10yearsofoperation-overviewofUFtechnologytoday[J].Desalination,2000,2(1):17-25.[8]GuiguiC,BonnelyeV,Durand-BourlierL,etal.Combinationofcoagulationandultrafiltrationfordrinkingwaterproduction:impactofprocessconfigurationandmoduledesign[J].WaterSupply,2001,1(5-6):107-118.[9],.-[J].,2002,18(3):18-22.[10]LiHC.TreatmentofHuangpuRiverWaterbyultrafiltrationcombinedwithcoagulation[D].Shanghai:TongjiUniversity,2007.[11]LiY,ZhangX,ZhangW,etal.Effectofpowderedactivatedcarbononimmersedhollowfiberultrafiltrationmembranefoulingcausedbyparticlesandnaturalorganicmatter[J].Desalination,2011,278(1):443-446.[12]CampinasM.Removalofcyanobacteriaandcyanotoxinsfromdrinkingwaterbypowderedactivatedcarbonadsorption/ultrafiltration[D].Faro:UniversityofAlgarve,2009.[13],,,.PAC/[J].,2011,37(4):15-18.[14],,,.[J].,2007,33(5):133-136.[15],,,.[J].,2012,31(1):16-19.[16],,,./[J].,2012,28(1):22-25.PILOTSTUDYONDIFFERENTINTEGRATEDULTRAFI