BAF在印染废水深度处理的试验研究许峰

20081.8×109m37.5%。。-COD＞100mg·L-1。[1]、[2]、[3][4]。。COD60mg·L-1。、。COD[5]、[6]。BAF[7]、[8][9]。BAF[10-12][13-14]BAFB/C、NPBAF。BAFB/CBAFCODNH3-N。GC-MSBAF。11.1BAF1。BAFPVC2000mm150mm50mm。3～5mm1500mm50%2.3kg·L-1。BAF12311.3100072.3141003.310007BAF160dB/CBAFCOD、NH3-N。510.5m3·m-2·h-1COD51.3%～56.5%NH3-N86.5%～93.7%NO3--NTNCOD39.6～45.3mg·L-1NH3-N0.11～0.24mg·L-1。GC-MS、、BAF65.0%39.2%。BAFGC-MSX791A1000-3770(2010)[e-mail][e-mail]3610201010TECHNOLOGYOFWATERTREATMENTVol.36No.10Oct.,201080DOI:10.16796/j.cnki.1000-3770.2010.10.0193mm。、。、。。A2/OBOD、NH3-NTPCODB/C0.1COD80～95mg·L-186mg·L-1BOD4.9～11.2mg·L-17.3mg·L-1SS19～25mg·L-122mg·L-1NH3-N2.7～3.2mg·L-13.0mg·L-1TP0.31～0.63mg·L-10.42mg·L-1。。1.21.2.1GC-MS[15]。100mL20mL5min30min3。K-D60℃1mLGC-MS。GC-MS5973HP530m×0.25mmi.d×0.125μmHe1mL·min-1250℃60℃2min10℃·min-1250℃8min0.2μL35115～500amuEI70eV2400V250℃。1.2.2COD、NH3-N。CODGB/T11914－89NH3-NGB/T7479－87TU-1800PCBOD5GB7488－87、LZB-3。22.1BAFB/CCOD300mg·L-11/42d30L·h-14L·h-1。。25℃4d。COD250～300mg·L-1NH3-N10～15mg·L-16L·h-123。2dCOD75%3COD40%[9]。COD2CODFig.2RemovalefficiencyofCODduringstart-up0246810121416182022050100150200250300350
/dCOD/mgL01020304050607080901003NH3-NFig.3RemovalefficiencyofNH3-Nduringstart-up02468101214161820220246810121416
/d
(NH-N)/mgL01020304050607080901001Fig.1SchematicdiagramoftheBAFexperimentalreactor
  BAF81770%NH3-N50%。7dCOD70%～75%。NH3-NCOD2d37%15d70%NH3-NCOD。COD80.4mg·L-1NH3-N0.95mg·L-1。2.2BAFBAF2160d。BAF31、41、51、613110d140.25～1.0m3·m-2·h-14。3151COD451COD61COD。DO531、41、51、613110d14。531DO1.5mg·L-1DO。51DO5.2mg·L-14[9]。61SS。0.5m3·m-2·h-151COD0.33～0.38kg·m-3·d-1COD51.3%～56.5%COD39.6～45.3mg·L-1。BAFNH3-N631、41、51、613110d14。631NH3-NCODNH3-N1.1mg·L-1DOTN。41DO2.5mg·L-1NH3-N0.4mg·L-186.5%～93.7%TNNO2--N。2.3GC-MSBAFGC-MS、、、72.39%17.13%。BAF65.0%39.2%17%。、、4CODFig.4CurveofCODduringsteady-state02040608010012014016018030405060708090100110
/dCOD/mgL5DOFig.5ConcentrationcurveofDOduringsteady-state0204060801001201401601800246810
(DO)/mgL
/d0204060801001201401601800.00.51.01.52.02.53.03.54.0
(NH-N)/mgL
/d6NH3-NFig.6ConcentrationcurveofNH3-Nduringsteady-state361082STUDYOFBAFFORDYEINGWASTEWATERADVANCEDTREATMENTXuFeng1,2,WangFenglei3,ShiHuixiang1（1.InstituteofEnvironmentalEngineering,ZhejiangUniversity,Hangzhou310007,China；2.JiaShanEnvironmentProtectionBureau,Jiashan314100,China;3.HangzhouDakangEnvironmentalEngineeringCo.Ltd.,Hangzhou310007,China）Abstract:Anup-flowceramsitemediabiologicalaeratedfilter(BAF)wasusedfordyeingwastewateradvancedtreatment.Twicestart-upmethodwasemployedandthentheBAFreactorhadbeenoperatedsteadilyfor160days,whiletheremovalefficencyofCODandNH3-NwasinvestigatedontheconditionoflowB/Cvalueandlackingofnutrients.Resultsshowedthatthereactorachievedmeandegradationefficiencyof51.3%～56.5%forCODand86.5%～93.7%forNH3-Nwhentheair/waterratiowas5:1andhydraulicloadingwas0.5m3·m-2·h-1.Thetotalnitrogen(TN)inthisstudyshowedslightdegradationandtheNO3--Nwasthemajordegradationproduction.TheconcentrationofCODandNH3-Nintheeffluentwas39.6～45.3mg·L-1and0.11～0.24mg·L-1,respectively.TheGC-MSshowedthatthepollutantsinwastewaterincludedbutylatedhydroxytoluene,cedrol,phthalicacid,andalkaneswithastraightchainformninetotwentyseven.AllthepollutantswerebilologicaldegradedinBAF,butthemajorpollutantssuchasbutylatedhydroxytolueneandcedrolstillhad65.0%and39.2%retention.Keywords：dyeingwastewater;BAF;advancedtreatment;GC-MS。3BAFBAF20dCODNH3-N70%。BAFB/C0.1N、PCODNH3-N510.5m3·m-2·h-1COD51.3%～56.5%NH3-N90%COD39.6～45.3mg·L-1NH3-N0.11～0.24mg·L-1。TN3131NH3-NNO3--N。GC-MS、、BAF60.8%83%35.0%。[1]MeshkoV,MarkovskaL,MinchevaM,etal.Adsorptionofbasicdyesongranularacivatedcarbonandnaturalzeolite[J].WaterResearch,2001,35(14):3357-3366.[2]KimTH,ParkC,LeeJ,etal.Pilotscaletreatmentwastewaterbycombinedprocess[J].WaterResearch,2002,36:3979-3988.[3]XieW,WangQ,SongG,etal.Upflowbiologicalfiltrationwithfloatingfiltermedia[J].ProcessBiochemistry,2004,39:765-770.[4]MarcucciM,NosenzoG,CapannelliI,etal.Treatmentandreuseoftextileeffluentsbasedonnewultrafiltrationandothermembranetechnologies[J].Desalination,2001,138(1-3):75-82.[5]JouCG,HuangGC.Apilotstudyforoilrefinerywastewatertreatmentusingafixed-filmbioreactor[J].AdvancedEnvironmentResearch,2003,7:463-469.[6]YangL,LaiCT,ShiehWK.Biodegradationofdisperseddieselfuelunderhighsalinityconditions[J].WaterResearch,2000,34(130):3303-3314.[7]SatoshiT,JosephA,TakayukiM,etal.Dynamicmodelingandsimulationofathree-phasefluidizedbedbatchprocessforwastewatertreatment[J].ProcessBiochemistry,2002,38:599-604.[8]ZhaoX,WangYM,YeZF,etal.Oilfieldwastewatertreatmentinbiologicalaeratedfilterbyimmobilizedmicroorganisms[J].ProcessBiochemistry,2006,41(7):1475-1483.[9]LiuB,YanDD,WangQ,etal.Feasibilityofatwo-stagebiologicalaeratedfilterfordepthprocessingofelectroplating-wastewater[J].BioresourceTec