高效厌氧氨氧化颗粒污泥膨胀床EGSB工艺性能研究陈建伟

30520105　　　　　　ActaScientiaeCircumstantiaeVol.30,No.5May,2010:(863)(No.2006AA06Z332);(No.30770039)SupportedbytheHi-TechResearchandDevelopmentProgramofChina(No.2006AA06Z332)andtheNationalNaturalScienceFoundationofChina(No.30770039):(1983—),,E-mail:[e-mail];＊(),E-mail:[e-mail]:CHENJianwei(1983—),male,E-mail:[e-mail];＊Correspondingauthor,E-mail:[e-mail],,,.2010.(EGSB)[J].,30(5):947-953ChenJW,ZhengP,DingS,etal.2010.PerformanceoftheAnammoxprocessinanexpandedgranularsludgebed(EGSB)reactorwithhighload[J].ActaScientiaeCircumstantiae,30(5):947-953(EGSB)陈建伟,郑平＊,丁爽,唐崇俭浙江大学环境工程系,杭州310029:2009-08-21　　　:2009-11-24　　　:2010-02-02:(EGSB).,EGSB,35℃、247.1～444.8mg·L-1、308.7～483.8mg·L-1,0.237～0.267h,61.4kg·m-3·d-1(N).,,、pH,3.6%～6.9%14.4%～22.6%.EGSB.24～28g·L-1(VSS),2.19g·g-1·d-1(N),3.62g·g-1·d-1(N).:;;;:0253-2468(2010)05-947-07　　　:X703　　　:APerformanceoftheAnammoxprocessinanexpandedgranularsludgebed(EGSB)reactorwithhighloadCHENJianwei,ZHENGPing＊,DINGShuang,TANGChongjianDepartmentofEnvironmentalEngineering,ZhejiangUniversity,Hangzhou310029Received21August2009;　　　receivedinrevisedform24November2009;　　　accepted2February2010Abstract:Theanammox(anaerobicammoniaoxidation)processwasinvestigatedat35℃inanexpandedgranularsludgebed(EGSB)reactorfedwithsyntheticwastewater.Theresultsshowedthatitwasahighlyefficientprocessfornitrogenremoval.ThehydraulicretentiontimeoftheEGSBreactorwasbetween0.237hand0.267h.Wheninfluentconcentrationsofammoniumandnitritewereincreasedfrom247.1to444.8mg·L-1andfrom308.7to483.8mg·L-1respectively,theaveragevolumetricnitrogenremovalratewaselevatedupto61.4kg·m-3·d-1(N).Duringtheoperation,therelativestandarddeviationsofeffluentsubstrateconcentrationandnitrogenremovalefficiencywere14.4%～22.6%and3.6%～6.9%,respectively,inspiteoffluctuationofinfluentconcentration,flowrateorpH.Thestabilityoftheprocessperformancecouldbeattributedtoboththeefficientretentionofgranularsludge(24～28g·L-1(VSS))andthehighspecificactivityofbiomass(2.19g·g-1·d-1(N)determinedfrombatchassayand3.62g·g-1·d-1(N)fromcontinuouscultivation).Keywords:anammox;EGSB;highloadingrate;processperformance1　(Introduction)(Anammox),、、、,,(,2004;Paredesetal.,2007).,.,9.5kg·m-3·d-1(N)(vanderStaretal.,2007),.,DOI:10.13671/j.hjkxxb.2010.05.018　　　　　　　　　　30Tsushima(2007),26kg·m-3·d-1(N),.(2009),25.04kg·m-3·d-1(N),.,,11d(Strousetal.,1998),.(Chamchoietal.,2007;Wangetal.,2009;vanderStaretal.,2007).,.,,(Tsushimaetal.,2007)、(Kielingetal.,2007)、(Liuetal.,2008)(Fernandezetal.,2008).,,.,(Rittmannetal.,2001).,、,,.(9.5kg·m-3·d-1,N),,,,.,2Anammox,,,.2　(Materialsandmethods)2.1　实验装置EGSB1.,16L,,8L,8L.2,5L(30min).,.,.8L,(35±1)℃.1　EGSB(1.,2.,3.EGSB,4.,5.,6.)Fig.1　DiagramoftheAnammoxEGSBprocess(1.storagetank,2.influentpump,3.EGSBreactor,4.threephaseseparator,5.outlet,6.vent)2.2　进水配方,(g·L-1):KH2PO40.01、CaCl2·2H2O0.0056、MgSO4·7H2O0.3、KHCO31.25,Ⅰ、Ⅱ1.25mL·L-1.Ⅰ(g·L-1):EDTA5、FeSO45;Ⅱ(g·L-1):EDTA15、H3BO40.014、MnCl2·4H2O0.99、CuSO4·5H2O0.025、ZnSO4·7H2O0.43、NiCl2·6H2O0.19、NaSeO4·10H2O0.21、NaMoO4·2H2O0.22.NH+4-NNO-2-N(NH4)2SO4NaNO2,.pH.2.3　污泥活性测定.(2001),.,150mL,100mL.NH+4-NNO-2-N322.6338.4mg·L-1,VSS1～2g·L-1.,,100mL,(15～25g·L-1),(50、100、200、300、400mg·L-1),10L·d-14h(,).9485:(EGSB)35℃.2.4　分析方法:-;:N-(1-)-;:;SS、VSS:(,2002);pH:pHS-9V;:;:BSD0.5.3　(Results)2　、Fig.2　Variationofinfluentandeffluentnitrogenconcentrationduringtheoperation3.1　工艺高效性3.1.1　高浓度效能　,.,.,,,.,,.,()1∶1.32(Strousetal.,1998).,,(),1∶1.1,.2,,247.1～444.8mg·L-1,340.5mg·L-1;308.7～483.8mg·L-1,380.1mg·L-1.Dapena-Mora(2007),350mg·L-1.68d,350mg·L-155d,,400mg·L-119d,483.8mg·L-1.,26.3～44.6kg·m-3·d-1(NO-2-N),36.4kg·m-3·d-1.,.3　Fig.3　Variationofhydraulicretentiontimeandnitrogenloadingrateovertime3.1.2　高容积效能　,8L,720.0～811.8L·d-1,(HRT)0.237～0.267h.3,247.1～444.8mg·L-1、308.7～483.8mg·L-1,(nitrogenloadingrate,NLR)57.7～94.2kg·m-3·d-1(N),76.4kg·m-3·d-1,(Volumetricnitrogenremovalrate,VNRR)45.1～81.8kg·m-3·d-1(N),61.4kg·m-3·d-1.(vanderStaretal.,2007)(9.5kg·m-3·d-1,N)(26.0kg·m-3·d-1,N,Tsushimaetal.,2007;25.04kg·m-3·d-1,N,,2009).4,57.7～94.2kg·m-3·d-1(N),62.7%～89.0%,74.7%;71.8%～94.2%,85.4%;(,)68.7%～88.8%,80.3%.Tsushima(2007),HRT0.24h,44.4%.(HRT0.237～0.267h),949　　　　　　　　　　30.4　Fig.4　Variationofnitrogenremovalefficiencyovertime,1∶0.228(Strousetal.,1998).,.,()255.8～500.1L·d-1,32.0～62.5L·L-1·d-1,0.72L·g-1(5),1∶0.255.,,.5　Fig.5　Variationofvolumetricgasproductionovertime3.2　工艺稳定性,,.3.2.1　抗基质浓度波动性能　,.,.,,.,,1.1,4,1　Table1　Effectoffluctuationofsubstrateconcentrationonthestabilityoftheanammoxprocess/(mg·L-1)/(mg·L-1)/(mg·L-1)/(mg·L-1)I724.9±76.4168.310.5%134.0±19.245.714.4%81.3%±3.6%8.3%4.5%II697.7±57.0194.08.2%139.4±27.182.219.5%80.0%±3.6%9.8%4.5%III717.8±44.6108.66.2%146.7±33.274.922.6%79.4%±5.5%11.8%6.9%IV833.4±49.3153.55.9%178.2±35.9102.220.1%78.5%±4.6%13.6%5.9%,6.9%22.6%.,4,(90～101.5L·L-1·d-1),3.,EGSB.3.2.2　抗进水流量波动性能　,.,2.,1%.2,.,5.2%19.4%.EGSB.9505:(EGSB)2　Table2　Effectoffluctuationofflowrateonthestabilityoftheanammoxprocess/(mg·L-1)/(L·d-1)/(L·d-1)/(mg·L-1)/(mg·L-1)I666.8776.6±33.761.84.3%145.3±27.047.418.6%78.2%±4.1%7.1%5.2%II721.8758.