ABRBAF组合工艺处理大蒜切片废水赵大传

:2008-08-01:(1963-　),,,,,.Email:[e-mail]　:1671-9352(2009)03-0028-04ABR-BAF赵大传,王伟(,250100):研究了厌氧折流板反应器(anaerobicbaffledreactor,ABR)与曝气生物滤池(biologicalaeratedfilter,BAF)的组合工艺处理大蒜切片废水的运行特点。结果表明:ABR的最佳水力停留时间(HRT)为24h,有机负荷(COD)小于6kgm3·d为宜,COD的平均去除率可达87%;BAF的最佳HRT为16h,最佳气水比为10∶1,进水有机负荷(COD)宜保持在1.1～1.4kgm3·d,COD的平均去除率为82.0%。ABR-BAF组合工艺COD总去除率保持在98.4%～98.7%之间,出水的COD质量浓度为79～94mgL,出水水质满足GB8978-1996《污水综合排放标准》一级标准。:大蒜切片废水;厌氧折流板反应器;曝气生物滤池;化学需氧量:X703.1　　　:AIntegratedABRandBAFprocessinthetreatmentofgarlicindustrialwastewaterZHAODa-chuan,WANGWei(SchoolofEnvironmentalScienceandEngineering,ShandongUniversity,Jinan250100,Shandong,China)Abstract:Thecombinedprocessofanaerobicbaffledreactorandbiologicalaeratedfilterwasusedtodealwithgarlicindustrialwastewater.TheresultsshowedthatforABR,theoptimumHRTandorganicloadrate(OLR)were24hoursandbelow6kgCODm3·d,respectively,andtheCODremovalefficiencywas87%.TheoptimumrunningconditionoftheBAFwasatHRT16hours,theOLR1.1～1.4kgCODm3·dandthegaswaterrateof10∶1withaCODremovalrateof82.0%.AfterbeingtreatedbythecombinedprocessofABR-BAF,theCODremovalratecouldreach98.4%～98.7%,andtheeffluentCODrangedfrom79mgLto94mgL.WhichcouldmeettheI-classcriteriaspecifiedintheIntegratedWastewaterDischargeStandard(GB8978-1996).Keywords:garlic-slicedwastewater;anaerobicbaffledreactor(ABR);biologicalaeratedfilter(BAF);COD　　,COD,[1,2],,[3]。,,,。[4,5],。,[6];,,,[7]。,ABR-BAF[8]。,,,,。1　材料与方法1.1　,:COD7400～8600mgL,BOD5　44　3　Vol.44　No.3　　　　　　　　　　　(　　)JournalofShandongUniversity(NaturalScience)　　　　　20093　Mar.2009　2500～3200mgL,NH3-N120～150mgL,pH5.72～6.88,。1.2　,ABR6,16.5L,(35±0.5)℃。14cm,150cm,,90cm,25cm,35cm,12.4L,BAF20℃[9],,BAF,。1。1　Fig.1　TypicalexperimentallayoutforthecombinedprocessofABR-BAF1.3　ABRBAF。,ABR[10],,COD500mgL,,HRT48h。COD80%,,500mgL,HRT48h。7,COD3000mgL,,90%,,ABR。BAF“”,14d,,HRT24h,COD300mgL,10∶1。COD70%,,。ABRBAF,,。ABR-BAF。1.4　pH(pHS-25),COD、BODNH3-N、[11]。2　结果与讨论2.1　ABR2.1.1　HRT对ABR的影响,HRT48h8h(8.2Ld49.5Ld),HRT。2。2　HRTABRFig.2　EffectofHRTonCODremovalrateinABR　　2,HRT8h24h,COD,HRT24h,COD87.3%,ABR。HRT,[12],HRT24h,COD,。,ABRHRT24h。2.1.2　有机负荷对ABR的影响HRT24h,,,3。3　ABRFig.3　EffectofOLRonCODremovalrateinABR　　3,ABR3kgCODm3·d8kgCODm3·d,3000mgL8000mgL,COD,94.2%～57.5%。3kgCODm3·d6kgCODm3·d,ABRCOD86.4%,,ABR。8kgCODm3·d,COD,,,、,ABR。ABR6kgCODm3·d。2.1.3　ABR独立运行实验ABR(HRT24h,8kgCODm3·d,35℃)1。　3,:ABR-BAF29　　　　1　ABRTable1　ExperimentaldataoftheABRreactoratoptimumconditiond(mg·L-1)CODBODBODCOD(mg·L-1)CODBODBODCOD%CODBOD2604821010.35775.0387.90.5087.281.54602120770.34732.2356.30.4987.882.86609821160.35835.7426.80.5186.379.88603220800.34795.6377.80.4886.881.810597919930.33768.1355.60.4687.282.112600822190.37774.9392.40.5187.182.314593319790.33711.0356.10.5088.082.016596721470.36734.4352.40.4887.783.518604421060.35809.2419.70.5286.680.1　　1,ABR,CODBOD87%82%,,。CODBOD,BODCOD0.33～0.370.46～0.52,,。2.2　BAF2.2.1　HRT对BAF的影响,HRT24h6h,HRT,4。4　HRTBAFFig.4　EffectofHRTonCODremovalrateinBAF　　4,HRT,BAFCOD。HRT16h,COD81.2%,HRT16h24h,COD,16hBAF。2.2.2　有机负荷对BAF的影响HRT16h,(400mgL1300mgL),,5。5　BAFFig.5　EffectofOLRonCODremovalrateinBAF　　5,1.2kgCODm3·d(COD800mgL),COD,86.1%。,,COD;1.8kgCODm3·d,COD,60%;,COD,。,BAF1.1～1.4kgCODm3·d,COD84%。2.2.3　BAF独立运行实验BAFHRT16h,COD800mgL,10∶1,6。6　BAFFig.6　ExperimentaldataoftheBAFreactoratoptimumcondition　　6,,COD130～160mgL,80%～84%,82.0%,。《》[13]。2.3　ABRHRT24h,6000mgL,35℃;BAFHRT16h,10∶1,7。7,ABRCOD87.1%,ABR;BAF　30　　　　　　　　　(　　)44　,89.1%,7.1%。ABR,,BAF。7　Fig.7　ExperimentaldataoftheABR-BAFatoptimumcondition　　,COD6000mgL,COD79mgL～94mgL,98.4%～98.7%,98.6%,,《》。ABRBAF。3　结论　　(1)ABR:HRT24h,6kgCODm3·d。ABR,COD87%,BODCOD0.33～0.370.46～0.52,,。(2)BAF:HRT16h,1.1～1.4kgCODm3·d,10∶1。BAF,COD130～160mgL,82.0%。　　(3)ABR-BAF,BAF,,COD98.4%～98.7%,COD79～94mgL,《》。:[1],,.[J].,2007,35(2):414-415.[2],.[J].,2007,2(13):109-110.[3],,.--[J].,2002,8(4):341-344.[4],,.[J].,2007,16(5):311-312.[5],,,.[J].,2004,(06):134-136.[6],.[J].,2003,20(3):13-14.[7],.[J].,2004,17(2):34-35.[8],,,.ABR-BAF[J].,2006,22(1):22-26.[9].[J].,2006,19(5):24-27.[10],,,.ABR[J].,2003,23(5):575-581.[11]《》.[M].().:,2002.[12],,,.ABR[J].,2006,32(10):57-61.[13]GB8978-1996,[S].(编辑:胡春霞)(上接第27页)[25]SURKAMC,TSANGCW,TRIMBLEWS.ThemammalianseptinMSFlocalizeswithmicrotubulesandisrequiredforcompletionofcytokinesis[J].MolBoilCell,2002,13:3532-3545.[26]SPILIOTISET,NELSONWJ.Herecometheseptins:novelpolymersthatcoordinateintracellularfunctionsandorganiza-tion[J].CellScience,2006,119:4-10.[27]SPILIOTISET,KINOSHITAM,NELSONWJ.AmitoticseptinscaffoldrequiredforMammalianchromosomecongres-sionandsegregation[J].Science,2005,307:1781-1785.[28]MIYAMOTOT,HASUIKES,YOGEVL,etal.AzoospermiainpatientsheterozygousforamutationinSYCP3[J].Lancet,2003,362:1714-1719.[29]YUANL,LIUJG,HOJAMR,etal.Femalegermcellane-uploidyandembryodeathinmicelackingthemeiosis-specificproteinSYCP3[J].Science,2002,296:1115-1118.[30]XUM,XIAOJ,CHENJ,etal.Identificationandcharacter-izationofanovelhumantestis-specificGolgiprotein,NYD-SP12[J].MolHumReprod,2003,9(1):9-17.(编辑:于善清)　3,:ABR-BAF31