HOBAF生物组合工艺处理皮革废水谢文玉

H-O-BAF谢文玉,钟华文,廖　艳,李德豪,张丽凤,李玉娟(茂名学院化工与环境工程学院,广东茂名525000):--(H-O-BAF)。,(DO)(HRT)。HRT:10h,6h,3h。COD、72.8%、80.0%66.6%,。:;;;;:X703　:A　:0253-4320(2009)05-0037-03BiologicaltreatmentoftannerywastewaterbyH-O-BAFcombinedprocessXIEWen-yu,ZHONGHua-wen,LIAOYan,LIDe-hao,ZHANGLi-feng,LIYu-juan(CollegeofChemicalandEnvironmentalEngineering,MaomingUniversity,Maoming525000,China)Abstract:Tannerywastewateristreatedbyacombinedprocessofthehydrolyticacidification,thebiologicalcontactoxidationandtheupflowbiologicalaeratedfilter(H-O-BAF).Thequalityandbiodegradabilityoftannerywastewaterareanalyzed,andtheinfluencesofdissolvedoxygen(DO)massconcentrationandhydraulicretentiontime(HRT)onthetreatmentefficiencyforthecombinedprocessareinvestigated.ThewastewateristreatedbythecombinedprocessunderoptimalHRTas:hydrolysisacidificationof10h,biologicalcontactoxidationof6handbiologicalaeratedfilterofabout3h.TheresultsalsoshowthattheaverageremovalefficiencyofCOD,colorandchromiumis72.8%,80.0%and66.6%,respectively.Thequalityofthetreatedwatercanmeetthelocalstandardofwastewaterdischarge.Keywords:tannerywastewater;biologicaltreatment;hydrolyticacidification;biologicalcontactoxidation;biologicalaeratedfilter(BAF)　:2009-02-18　:(2006021)　:(1970-),,,,,[e-mail]。　　、,,,,,[1-2]。,(COD)(SS),[3-4]。,COD、(BOD),,。[5-6],、SBR[7-8]。,、,、、。,,、,。(BAF),[9-10],、、、。(H)-(O)-(BAF),H-O-BAF,。1　1.1　()·37·295现代化工May200920095ModernChemicalIndustryDOI:10.16606/j.cnki.issn0253-4320.2009.05.015,1。,SS、(Cr3+)pH(DB44/56—2003)。COD、BOD,。B/C0.25～0.45、B/C0.34,,COD、BOD,,。1　COD/mg·L-1BOD/mg·L-1SS/mg·L-1//mg·L-1pH　　400～900200～30010016～1001.07～9200100100801.56～9　　:《》(DB44/56—2003)。H-O-BAF。:()H,H,,,,。HO,O、。BAF,,,。H-O-BAF,HO,BAF,。H,30L;O200mm、1000mm,18L;BAF150mm、1200mmBAF,10～15mm,8L。OBAF,BAF,,、SS。1.2　。,、H、OBAF。H,OBAF,1L/h。,,COD50%,,。1.3　COD;SS;;;pH;BODBOD(OxiTopISBOD,WTW);(DO)(DR/590,HACH)。2　2.1　(DO)H,,DO,HDO0.5mg/L,。OBAF,DO。OBAFDO。,DO,DO2mg/L。DO,COD,DO4mg/L,。,ODO4mg/L,BAFDO2mg/L,DO。2.2　(HRT)20～35℃,pH7～9,,2、3、5L/h。7～10d,,H、OBAFCOD。2。,HRT、HOCODHRT。BAFHRT,,BAF,HRT,,COD。CODHRT,HRT,,HRT,。,H、O、BAFHRT10、6、3h。·38·现代化工2952　HRTCOD/L·h-1/mg·L-1HOBAFHRT/h/mg·L-1/%HRT/h/mg·L-1/%HRT/h/mg·L-1/%/%25831546520.29.020940.18.014311.375.435681046218.76.022741.42.715712.372.45608652713.33.636426.81.624519.659.72.3　H-O-BAFHRTDO,H-O-BAF2。COD、,3。,H-O-BAF,,COD、、72.8%、80.0%、66.6%,。OCOD30%,HBAFCOD10%,。H,COD,。O,COD,BAF、[11-12],BAF。,。,H-O-BAF,。[3-4]。,H-O-BAF,《》(DB44/56—2003),H-O-BAF。3　H-O-BAF/mg·L-1/mg·L-1HOBAF/mg·L-1/%/mg·L-1/%/mg·L-1/%/mg·L-1/%COD400～90057446419.222441.815611.8130～20072.816～100322037.51225.06.417.52～1680.00.10～0.800.420.3028.60.2219.00.1419.00.05～0.5066.62.4　H-O-BAF,H-O-BAFCOD、BODB/C,1、23。　　12,H-O-BAFCODBOD,O40%,O,BOD,COD,BAF,COD。3,,。BAF,B/C0.1,。3　H-O-BAF,HDO0.5mg/L,ODO4mg/L,BAFDO2mg/L　　(下转第41页)·39·20095:H-O-BAF1.2　10mmol/L/。/,,,,DBT。:,,100℃1h,350℃1h,。。:/50DBT。2　2.1　Ti-PILCsTi-PILCs,(2.5%),Ag/Ti-PILCs、Zn/Ti-PILCs、Cu/Ti-PILCs、Ni/Ti-PILCs、Fe/Ti-PILCs、Co/Ti-PILCs。/5mL/g,,Ti-PILCs,1。,。TiO2,Ti-PILCs,57%。1.7nm,[4],,DBT。TiO2Ti-PILCs,,,[3]。Ti-PILCsDBT,,TiO2DBT。Ti-PILCsAg、ZnCu,,,Ag/Ti-PILCs,Zn/Ti-PILCs,Fe/Ti-PILCs。Ti-PILCs,,[4]。[4]。Ag,Zn/Ti-PILCs。图1　负载不同金属的Ti-PILCs的吸附脱硫性能　　(上接第39页)H-O-BAFHRT10、6、3h,。COD、72.8%、80.0%66.6%,(DB44/56—2003)。,BAF、、,H-O-BAF、,。[1],.-[J].,2001,32(5):52-54.[2].-[J].,2004,(4):18-22.[3]SongZ,WilliamsCJ,EdyveanRGJ.Sedimentationoftannerywastew-ater[J].WatRes,2000,34(7):2171-2176.[4]SongZ,WilliamCJ,EdyveanRGJ.Treatmentoftannerywastewaterbychemicalcoagulation[J].Desalination,2004,164:249-259.[5],.[J].,2006,16(2):65-71.[6].[J].,2005,22(2):34-37.[7].[M].:,2002.[8]LefebreO,VasudevanN,TorrijosM,etal.Halophilicbiologicaltreat-mentoftannerysoakliquorinasequencingbatchreactor[J].WaterRes,2005,39:1471-1480.[9]StephensonT,MannA,UptonJ.Thesmallfootprintwastewatertreat-mentprocess[J].ChemInd,1993,14:533-536.[10],,.[J].,2005,6(10):1-7.[11],,.[J].,2006,26(11):50-53.[12],,,.[J].,2008,59(1):214-220.□·41·20095: