MBBR处理猪场废水厌氧消化液的研究曹玉成

2　5环境工程学报Vol.2,No.520085ChineseJournalofEnvironmentalEngineeringMay2008MBBR曹玉成　张妙仙　单胜道＊(,311300)　　(MBBR),(HRT),CODNH3-N。,20～30℃,50%,CODNH3-N1016mg/L496mg/L,HRT12.5h,CODNH3-N62%77%,,HRT23.8h,CODNH3-N64%86%,CODNH3-N368mg/L70mg/L,《》(GB18596-2001)。　　　COD　NH3-N　X703　　　A　　　1673-9108(2008)05-0591-04StudyontreatmentofdigestedpiggerywastewaterbymovingbedbiofilmreactorCaoYucheng　ZhangMiaoxian　ShanShengdao(SchoolofEnvironmentalTechnology,ZhejiangForestryUniversity,Hangzhou311300)Abstract　Movingbedbiofilmreactor(MBBR)wasusedtotreatdigestedpiggerywastewater,theinfluencesofhydraulicretentiontime(HRT),CODandNH3-Nconcentrationsofinfluentonthetreatmenteffectwereinves-tigated.Theresultsshowedthatundertheconditionsoftemperature=20～30℃,carriervolumetricratio=50%,theinfluentconcentrationofCOD=1016mg/L,theinfluentconcentrationofNH3-N=496mg/L,whenHRTwas12.5h,theremovalratesofCODandNH3-Nwere62%and77%respectively,mostofbiodegradableorganicsubstancesindigestedpiggerywastewaterwereremoved,whenHRTextendedfrom12.5hto23.8h,theremovalratesofCODandNH3-Nwere64%and86%respectively,theeffluentconcentrationsofCODandNH3-Nwere368mg/Land70mg/L,respectively,meetingthestandardsof《DischargeStandardofPollutantsforLivestockandPoultryBreeding》(GB18596-2001).Keywords　movingbedbiofilmreactor;digestedpiggerywastewater;COD;NH3-N:“863”(2006AA06Z344);(2006C13036):2008-01-04;:2008-01-31:(1976～),,,,。E-mail:[e-mail]＊,E-mail:[e-mail]　　N、P,,[1],。(),,,()。,SBR,[2,3]。(movingbedbiofilmreac-tor,MBBR),、1,,,,。,MBBR、、、、、[4,5]。,MBBR,、[6,7],。,MBBR[8,9],,MBBR。MBBR,MBBR2。1　1.1　1,MBBR,15cm×15cm×22cm,5L,50%,,,。,,。,。1　Fig.1　Schemediagramofexperimentalinstallation1.2　,,,,,4,12,:10mm,9.3mm,10mm,0.92～0.98g/cm3,800m2/m3。1.3　,:COD892～1312mg/L,BOD5200～500mg/L,NH3-N422～613mg/L,TN456～759mg/L,pH7.5～8.1。1.4　COD:;BOD5:;NH3-N:;TN:-;pH:;:。1.5　,,24h,1,1d1,,()CODNH3-N,。1.6　,2。I,HRT10h,、(10%)CODNH3-N(),CODNH3-N。,CODNH3-N3d。I,1,II,CODNH3-N1000mg/L500mg/L,HRT,HRT7d。,20～30℃。2　2.1　COD2.1.1　进水COD浓度对COD去除效果的影响I,HRT10h,CODCOD2。COD1。1　ICODTable1　OperatingconditionsandeffluentCODconcentrationduringexperimentIperiod(d)HRT(h)COD(mg/L)COD(mg/L)310527～554(539)331～337(334)310712～739(724)395～402(398)310967～992(976)455～462(458)3101167～1212(1190)483～489(485)3101500～1555(1528)500～515(508)3101790～1830(1813)546～566(558)3102082～2139(2111)590～599(595)　　:COD,COD、COD,2　CODCODFig.2　EffectofinfluentCODconcentrationsonremovalofCOD5925:MBBR　　21,COD,COD,COD539mg/L2111mg/L,COD38%72%。2.1.2　HRT对COD去除效果的影响II,COD2。HRTCOD3。2　IICODTable2　OperatingconditionsandeffluentCODconcentrationsduringexperimentIIperiod(d)HRT(h)COD(mg/L)COD(mg/L)723.8934～1139(1016)333～412(368)716.7967～1217(1103)369～422(396)712.5960～1200(1068)389～426(403)78.3921～1003(958)422～439(432)75.0977～1134(1047)600～687(644)3　HRTCODFig.3　EffectofHRTonremovalofCOD　　23,HRT,COD、,HRT5h12.5h,COD,38%62%,HRT,CODCOD,HRT12.5h23.8h,COD2%(62%64%)。2.2　NH3-N2.2.1　进水NH3-N浓度对NH3-N去除效果的影响I,NH3-N3。4HRT10h,NH3-NNH3-N。34,NH3-N292mg/L751mg/L,NH3-N,75%,NH3-N3　INH3-NTable3　OperatingconditionsandeffluentNH3-NconcentrationsduringexperimentIperiod(d)HRT(h)NH3-N(mg/L)NH3-N(mg/L)310290～295(292)76～78(77)310386～395(390)93～99(96)310499～513(507)129～134(131)310570～578(573)144～148(146)310652～659(655)150～154(153)310748～755(751)190～200(196)310859～867(864)256～262(259)4　NH3-NNH3-NFig.4　EffectofinfluentNH3-NconcentrationonremovalofNH3-N864mg/L,NH3-N70%,I,CODNH3-N,COD,。2.2.2　HRT对NH3-N去除效果的影响II,NH3-N4,HRTNH3-N5。4　IINH3-NTable4　OperatingconditionsandeffluentNH3-NconcentrationsduringexperimentIIperiod(d)HRT(h)NH3-N(mg/L)NH3-N(mg/L)723.8480～519(496)67～71(70)716.7502～523(512)96～100(98)712.5470～511(492)107～117(112)78.3460～500(482)167～179(174)75.0480～523(497)284～300(292)　　45,,HRT,NH3-N,59325　HRTNH3-NFig.5　EffectofHRTonremovalofNH3-N,HRT5h12.5h,NH3-N,41%77%。HRT,NH3-N,HRT12.5h23.8h,NH3-N77%86%,NH3-N112mg/L70mg/L。2.2.3　COD容积负荷对NH3-N去除效果的影响,CODNH3-N,,。I,HRT10h,COD539mg/L2111mg/L,CODNH3-N,6。6　CODNH3-NFig.6　EffectofCODvolumetricloadonremovalofNH3-N6,COD1.29～3.67kgCOD/(m3·d),NH3-N75%,CODNH3-N,,COD,,,,。COD,NH3-N,,COD3.67kgCOD/(m3·d)5.07kgCOD/(m3.d),NH3-N7%,MBBR。3　　(1),COD。HRT10h,COD539mg/L2111mg/L,COD38%72%。(2)HRT,MBBR,HRT5h12.5h,CODNH3-N62%77%,HRT,COD,NH3-N,HRT23.8h,CODNH3-N64%86%,CODNH3-N368mg/L70mg/L,《》(GB18596-2001)。　　(3)MBBR,CODNH3-N,COD1.29～5.07kgCOD/(m3·d),NH3-N。[1]MatiasB.,ArielA.,PatrickG.,etal.Developmentofen-vironmentallysuperiortreatmentsystemtoreeplaceanaero-bicswinelagoonsintheUSA.BioresourceTechnology,2007,98:3184～3194[2]EdgertonB.D.,McNevinD.,WongC.H.,etal.Strat-egiesfordealingwithpiggeryeffluentinAustralia:These-quencingbatchreactorasasolution.Wat.Sci.Tech.,1999,41(1):123～126[3]BernetN.,DelgenesN.,AkunnaC.,etal.Anerobicaero-bicSBRforthetreatmentofpiggerywastewater.Wat.Res.,1999,34(2):611～619[4]RustenB.,BjrnarE.,UlgenesY.,etal.Designandoper-ationsoftheKaldnesmovingbedbiofilmreactors.Aquacul-turalEngineering,2006,34:322～331[5]Comett-AmbrizI.,Gonzalez-MartinezS.,WildererP.ComparisonoftheperformanceofMBBRandSBRsystemsforthetreatmentofanaerobicreactorbiowasteeffluent.Wat.Sci.Technol.,2003