2种UASB的ANAMMOX与反硝化协同作用对比研究李伙生

4　2环境工程学报Vol.4,No.220102ChineseJournalofEnvironmentalEngineeringFeb.20102UASBANAMMOX李伙生　周少奇＊　孙艳波(,510006)　　2UASB-ANAMMOX,2,ANAMMOX。,12、、TIN、COD95.7%、95.9%、77.3%、70.3%97.4%、96.4%、87.2%、74.8%。1TINCOD112.2107.7g/(m3·d),2TINCOD120.5119.9g/(m3·d)。,,。,pH。,21。　　　　　　X703　　　A　　　1673-9108(2010)02-0247-06ComparativestudyofANAMMOX-denitrificationsynergismintwoUASB-reactorsLiHuosheng　ZhouShaoqi　SunYanbo(CollegeofEnvironmentalScienceandEngineering,SouthChinaUniversityofTechnology,Guangzhou510006,China)Abstract　Comparativestudyontreatmentofthedilutedleachate,byanaerobicammoniumoxidation(AN-AMMOX)coupledwithdenitrification,wascarriedoutwithtwoupflowanaerobicsludgeblanket(UASB)reac-tors,reactor2withbiofilmandreactor1withoutit.Duringthesteadystates,theaverageremovalefficienciesofammonium,nitrite,TINandCODinreactor1were95.7%,95.9%,77.3%,70.3%,andcorrespondingtothatinreactor2were97.4%,96.4%,87.2%and74.8%,respectively.Themaximumvolumetricloadingconver-sionratesofTINandCODinreactor1were112.2and107.7g/(m3·d),correspondingtothatinreactor2were120.5and119.9g/(m3·d),respectively.Thesynergisminthereactorswasinhibitedduetooverload,andwashardtorecovertothepreviousperformanceonceoverloadtakenplace.Whenthesynergismwasinagoodstate,characteristicchangeswerepresentedinthepHvalueandalkalinity.Reactor2withbiofilmwasfoundtobemoreactivethanreactor1withoutbiofilminthesynergismandinloadingshockresistance.Keywords　anaerobicammoniumoxidation;denitrification;synergism;landfillleachate;electronicstoi-chiometry:“”(2006BAJ04A12-4,2008BAE64B05);(2008ZA09,2009ZB05);(X2DLB2080500):2008-12-07;:2009-02-08:(1984～),,,:。E-mail:[e-mail]＊,E-mail:[e-mail]　　,[1～7]。,,,,[3]。,,。[4～11],,。[10,11]ANAMMOX,ANAMMOX4。,,CO2,;,。,,,。UASB-ANAMMOX,。1　1.1　、,,。,11a,“”。:pH8.0～9.1,3000～6500mg/L,COD1800～7000mg/L,BOD5300～1800mg/L,850～2050mg/L。:KH2PO40.005g/L,NaHCO30.300g/L,NaNO2。Ⅰ:EDTA5g/L,FeSO45g/L;Ⅱ:ZnSO4·7H2O0.43g/L,CuSO4·5H2O0.25g/L,MnCl2·4H2O0.99g/L,NiCl2·6H2O0.19g/L,CoCl2·6H2O0.24g/L,H3BO40.014g/L。Ⅰ、Ⅱ0.5mL/L。1.2　SBR,800d,。60%,2。1.3　[12]。COD:;NH+4-N:;NO-3-N:;NO-2-N:N-(1-)-;:;pH:PHS-9V。1.4　23.2L,2.28L,0.92L[13]。1,2,(33±1)℃。1.5　2,,,1。,,;,,,。1　Table1　Feedindifferentexperimentalphases(d)HRT(d)(mg/L)(mg/L)COD(mg/L)1～172.5～3.060～9085～115210～25017～972.0～2.590～120115～135250～30097～1181.5～2.0120～150135～150300～380118～1361.0～1.5100～120100～120210～2502　2.1　2UASBANAMMOX,(0～17d)、(18～97d)、(97～118d)(119～136d)。2.1.1　氮素转化对比1～42(、)(,TIN)。ANAMMOX,,。,,。1,,1,2,;,113d,28d;,195.7%,297.4%;,HRT,2,,122482:2UASBANAMMOX58.6%70.5%;,12,,21。1　Fig.1　Variationofammoniumconcentrationininfluentandeffluent2,,171.6%57.87%,297%100%,;,117d,26d;,1295.9%96.4%;,12,73.2%75.9%;,12。21。2　Fig.2　Variationofnitriteconcentrationininfluentandeffluent3,3d,2,74mg/L,2,1。,,。3d2,17d8.78mg/L,2,N2,2。18～31d,12,,。31d,12,,1,228d。80d,243℃4h,,50mg/L。,1242.4mg/L22.7mg/L,2,。,HRT,2,,1,。,21,。3　Fig.3　Variationofnitrateconcentrationininfluentandeffluent4,TIN,3d,12TIN40%～50%,17d,12TIN,24942,,DO,TIN,2TIN1,,。12TIN77.3%87.2%,280d,TIN。,TIN,2。TIN,。4　Fig.4　VariationofTINconcentrationininfluentandeffluent,2,,1,2。,。2.1.2　COD去除对比,COD(COD)。5,12COD,21。,2COD;,21COD74.8%70.3%,2COD1。,HRT,COD,12COD52.5%54.5%,21。,2COD,COD。5　CODFig.5　VariationofCODconcentrationininfluentandeffluent2.1.3　酸碱度变化对比pH,pH。[10]“”,H+,pH。6,,281d,12pH,pH8.13,21pH8.528.37,pHpH,2pH1,21,[10]“”。,2pH,,21pH,21,21。6　pHFig.6　VariationofpHvalueininfluentandeffluent7,,2502:2UASBANAMMOX121d200mg/L17d500～600mg/L,,,。,21,,2,,“”,。2.2　UASB2COD23。7　Fig.7　Variationofalkalinityininfluentandeffluent2　1Table2　Volumetricloadingratesofreactor1(d)HRT(d)(g/(m3·d))(g/(m3·d))(g/(m3·d))(g/(m3·d))TIN(g/(m3·d))(g/(m3·d))COD(g/(m3·d))(g/(m3·d))1～172.5～3.030.025.939.332.670.143.987.156.017～972.0～2.549.046.855.653.1106.782.4126.683.897～1181.5～2.083.945.597.771.9123.7112.2206.4107.7118～1361.0～1.579.543.094.853.3178.482.6213.6106.63　2Table3　Volumetricloadingratesofreactor2(d)HRT(d)(g/(m3·d))(g/(m3·d))(g/(m3·d))(g/(m3·d))TIN(g/(m3·d))(g/(m3·d))COD(g/(m3·d))(g/(m3·d))1～172.5～3.030.028.439.339.271.054.187.260.117～972.0～2.549.847.556.154.1107.990.1138.288.197～1181.5～2.084.346.297.973.4147.9120.5216.6119.9118～1361.0～1.579.653.095.960.9179.5103.0217.5115.8　　23,,(,),21,21,TINCOD,21,2。,HRT,,,,50%～75%,21,,21。,HRT,,,2,HRT,,HRT,,。,,。,1TINCOD2514112.2107.7g/(m3·d),2TINCOD120.5119.9g/(m3·d)。3　　(1),12、、TIN、COD95.7%、95.9%、77.3%、70.3%97.4%、96.4%、87.2%、74.8%。21。(2),2pH,。(3)12TINCOD112.2g/(m3·d)、107.7g/(m3·d)120.5g/(m3·d)、119.9g/(m3·d)。,。[1]StrousM.AmmoniaremovalfromconcentratedwastestreamswiththeANAMMOXprocessindifferentreactorconfigurations.WaterResearch,1997,31:1955～1962[2]JettenM.,StrousM.,vandePas-SchoonenK.T.,etal.Theanaerobicoxidationofammonium.FEMSMicrobiol.Rev.,1999,22:421～437[3],,,.、pH.,2006,27(4):691～695[4]TohS.K,AshboltN.J.Adaptationofanaerobicammoni-umoxidisingconsortiumtosyntheticcoke-ovenswastewater.Appl.Microbial.Biotechnol.,2002,59:344～352[5]AhnY.H.,HwangI.S.,MinK.S.ANAMMOXandpartialdenitritationinanaerobicnitrogenremovalfrompiggerywaste.Wat.Sci.Tech.,2004,49(5～6):145～153[6]BipinK.Pathak,FutabaK.,YukoS.,etal.Pre