UASB与ABR工艺处理印染废水中试实验研究刘伟京

25520099WATERRESOURCESPROTECTIONVol.25No.5Sep.2009　　:(2008018);(2008ZX07101-003-002),(2008ZX07313-005):(1967—),,,,。E-mail:[e-mail]:(1982—),,,E-mail:[e-mail]1,2,2,2,3,4,2,2(1.,　210094;2.,　210036;3.,　210093;4.,　215511):对上流式厌氧反应器(UASB)和折流式厌氧反应器(ABR)处理难降解印染废水进行中试研究。结果表明:在厌氧反应器最佳水力停留时间为24h条件下,UASB和ABR稳定运行2个多月,在进水COD质量浓度波动较大的情况下(ρmax=1020.0mg/L,ρmin=593.6mg/L,ρ均=755.4mg/L),UASB和ABR出水平均COD质量浓度分别为409.3mg/L和420.9mg/L,平均去除率分别为45.5%和43.9%。两种厌氧反应器对色度去除效果较佳,进水平均色度342倍,出水平均色度分别78倍和80倍,平均去除率分别为77.2%和76.6%。印染废水B/C由0.29分别提高到0.46和0.43,废水可生化性明显改善,UASB较ABR效果好。:上流式厌氧反应器;折流式厌氧反应器;印染废水;中试研究:X703　　　:B　　　:1004-6933(2009)05-0074-04Pilot-scalestudyontreatmentofprintinganddyeingwastewaterbyUASBandABRLIUWei-jing1,2,XUMing2,YUXue-min2,3,GUXiao-dong4,GUOFang-zhen2,YEYang-yang2(1.SchoolofChemicalEngineering,NanjingUniversityofScienceandTechnology,Nanjing210094,China;2.JiangsuProvincialAcademyofEnvironmentalScience,Nanjing210036,China;3.SchooloftheEnvironment,NanjingUniversity,Nanjing210093,China;4.MeiliSewageTreatmentCompanyLimited,Changsu215511,China)Abstract:Apilot-scalestudywasconductedontheupflowanaerobicsludgeblanket(UASB)andanaerobicbaffledreactor(ABR)treatmentofprintinganddyeingwastewaterwhichwasdifficulttodegrade.Withtheoptimalhydraulicretentiontime(HRT)of24hours,theexperimentalanaerobicreactorUASBandABRwassteadilyoperatedfortwomonths.InthecaseofmassconcentrationCODwithlargevariation(themaximumρmax=1020.0mg/L,theminimumρmin=593.6mg/L,andthemeanCODρaverage=755.4mg/L)intheinfluent,thefinalmeanconcentrationswere409.3mg/Land420.9mg/LintheeffluentfromtheUASBandABR,respectively.Themeanremovalrateswere45.5%and43.9%,respectively.Whenthemeaninfluentcolorwas342timesthannormal,themeanfinaleffluentcolorswere78timesand80timesthannormalforUASBandABR.Theremovalefficiencieswere77.2%and76.6%,respectively.TheBOD5/CODratiosofprintinganddyeingwastewaterincreasedfrom0.29to0.43and0.46forUASBandABR,whichwereraised0.17and0.14respectively.Wastewaterbiodegradabilitywasgreatlyimproved,andtheUASBwasshowntobemoreeffectivethantheABR.Keywords:upflowanaerobicsludgeblanket(UASB);anaerobicbaffledreactor(ABR);printinganddyeingwastewater;pilot-scalestudy　　、、、pH,PVA、,[1-6]。,DB32/1072—2007《》,,·74·“+”,,。(UASB,upflowanaerobicsludgeblanket)[7],,,,,。(ABR,anaerobicbaffledreactor)[8-9],;、,,。,COD,,。1　1.1　1。1　UASBABRUASBABR7.2m3。UASBD×H=1.6m×3.9m,ABRL×B×H=3.6m×1.2m×2.0m。0.2～0.5m3/h,(HRT)14～36h。,,,2AB。UASBUASB,6,,。ABR11,4∶1,45°,,,。1.2　1.0m3/d,80%。,、、,,。,1。1　ρ(COD)/(mg·L-1)ρ(BOD5)/(mg·L-1)ρ(BOD5)/ρ(COD)/pH593～1020145～3200.21～0.34200～5009～127552500.263809.61,,pH,。ρ(BOD5)/ρ(COD)0.2～0.3,。1.3　[10]:COD;BOD5;;NH3-N;MLSS、MLVSS;DO、,DO;,;pH,pH。Unic,WFZUV-2800AH。(GC-MS),,(EPA)[11]。1.4　,MLVSS12.8g/L,MLVSS/MLSS0.46。2　2.1　UASBABR61dCOD23。2　UASBCODCOD(ρmax=·75·3　ABRCOD1020.0mg/L,ρmin=593.6mg/L,ρ=755.4mg/L),UASBCODρmax=508.0mg/L,ρmin=286.3mg/L,ρ=409.3mg/L,45.5%;CODρmax=486.0mg/L,ρmin=306.8mg/L,ρ=420.9mg/L,43.9%。,UASBABR。COD,COD,COD,,,。UASBABR61d45。4　UASB5　ABR,342,450,200。UASB78,100,60,77.2%;ABR80,100,60,76.6%。UASBABR。,,。UASBABR61d,ρ(BOD)/ρ(COD)67。6　UASB7　ABR78,ρ(BOD)/ρ(COD),,ρ(BOD)/ρ(COD)0.29,ρ(BOD)/ρ(COD)0.24,ρ(BOD)/ρ(COD)0.34。ρ(BOD)/ρ(COD)0.460.49,0.170.14。,ρ(BOD)/ρ(COD),。ρ(BOD)/ρ(COD)0.4,。,,。8　2.2　,·76·(8)。8,,,(、、、、),,,,,。:,,,。,,。,,,。UASBABR,UASBASR。。UASBGC-MS,。GC-MS9。9　UASB(＊)9,UASB,。,[12-14]:R1—NN—R2+4e-+4H+R1—NH2+R2—NH2:R1,R2,,,,(、、、、),,[15]。,,COD,,,,,[16-17]。3　　a.UASBABR61d,COD(ρmax=1020.0mg/L,ρmin=593.6mg/L,ρ=755.4mg/L),UASBABRρ(COD)409.3mg/L420.9mg/L,45.5%43.9%。,342,7880,77.2%76.6%。UASBABR。b.UASBABRρ(BOD)/ρ(COD),ρ(BOD)/ρ(COD)0.29ρ(BOD)/ρ(COD)0.460.43,0.170.14,UASBABR,,,。c.-GC-MS。:[1],,,.-[J].,2005,18(2):74-77.[2],,,.[J].,2000,26(10):33-37.[3],,,.[J].,1996,18(1):26-28.(下转第81页)·77·。,,。,H2O2/,。UV/H2O2UV/O3,H2O2/H2O2,,,。:[1],.[J].,2006,26(6):1-5.[2]BEHNAJADYMA,MODIRSHAHLAN,FATHIH.KineticsofdecolorizationofanazodyeinUValoneandUV/H2O2processes[J].JournalofHazardousMaterials,2006,136(3):816-821.[3]KURBUST,LeMARECHALAM.ComparisonofH2O2/UV,H2O2/O3andH2O2/Fe2+processesforthedecolorisationofvinylsulphonereactivedyes[J].DyesandPigments,2003,58(3):245-252.[4],,.UV/H2O2[J].,2002,16(5):536-541.[5]ABDULLAHFH,RAUFMA,ASHRAFSS.KineticsandoptimizationofphotolyticdecolorationofcarminebyUV/H2O2[J].DyesandPigments,2007,75(1):194-198.(:2008-08-04　:)(上接第77页)[4].[J].,2007,27(1):78-80.[5],[J].,2007,28(1):116-119.[6].、[M].:,1997.[7]LETTINGG,VanVELSENAF,HOBMASW,etal.Useoftheupflowsludgeblanket(USB)reatorconceptforbiologicalwastewatertreatment[J].BiotechnolBioengng,1980,22:699-734.[8]ANDREB,BEARDVL,MCCARTYPL.Performancecharacteristicsoftheanaerobicbaffledreactor[J].WaterRes,1985,19(1):99-106.[9]BELLJ,PLUMBJ,BUCKLEYC,eta1.Treatmentanddecolorizationofdyesinananaerobicbaffledreactor[J].EnvironEng,2000:126(11):1026-1032.[10].[M].4.:,2002.[11],,,.GC-MS[J].,2005,27(3):218-221.[12]GEORGIOUD,METALLINOUC,AIVASIDISA.Decolorizationofazo-reactivedyesandcotton-textilewastewaterusinganaerobicdigestionandacetate-consumingbacteria[J].BiochemicalEngineeringJournal,2004,19:75-79.[13]LUANGDILOKW,PANSWA