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32 6(189)201011 EnvironmentandEcologyintheThreeGorgesVol.32 No.6(Sum.No.189)Nov.2010SBBR:2010-07-13:“”;(0924005): (1988-),,07。:,,。E-mail:chenyucheng@swu.edu.cn。李 阳,刘江国1,陈玉成1,2*,郭 玲1,3,王春香1(1.,400716;2.,400716;3.,030801) :(SBBR),,。50mA,7h,0.5h、3.5h、/3.0h,TN、NH+4-N;80mA,TN、NO-3-N20%、12%。:SBBR,;。 :,,, :X703.3 :A :1674-2842(2010)06-0005-04TheEffectofCurrentonDenitrificationEfficiencyinSequencingBatchBiofilmReactorLIYang1,LIUJiang-Guo1,CHENYu-Cheng1,2*,GUOLing1,3,WANGChun-Xiang1(1.CollegeofResources&Environment,SouthwestUniversity,Chongqing400716;2.ChongqingKeyLabofAgriculturalResources&Environment,Chongqing400716;3.ShanxiAgriculturalUniversity,Shanxi030801,China)Abstract:Inordertoimprovetheefficiencyofbiodenitrificationformunicipalwastewater.Researchtothemunicipalwastewatertreatmentinsequencingbatchbiofilm(SBBR)withsoftpacking.Passintothedifferentintensityofcur-rent,examinetheefficiencyofthesystemchangesinnitrogenremovalWhenthecurrentintensitywas50mA,HRTwas7h,anaerobicwas0.5h,aerationwas3.5h,anaerobic/anoxicwas3h、theremovalrateofTNandNH+4-Nbothreachthemaximum;Whenthecurrentis80mAtheremovalefficiencyofTNandNO-3-Nwereincreasedby20%and12%comparedwithoutcurrentrespectively。Theresultsshowthatacertainintensityofcurrentcanim-provetheperformanceofSBBRsystemdenitrification,butafteralargecurrentwillresultininhibition;theimproveofnitrogenremovalefficiencywasmainlyduetocurrentpromoteddenitrificationlinks.Keywords:SBBR;Currentintensity;Biodenitrification;Sewage. (SequencingBatchBio-filmReactor,SBBR),SBR(SequencingBatchReactor),(、、),,[1-2]。Y.Sakakibara[3]。,,,,。SBBR,,,。,-SBBRSBBR。,SBBRDOI:10.14068/j.ceia.2010.06.003、DO、HRT,SBBR。,SBBR,SBBR,。1 1.1 ;。1 CODCrTNNH3-NNO-3-NpH/mg·L-1150~50030~7010~500~606.0~7.01.2 ,,35L,35cm×25cm×55cm,。235~40mm,2。DO4~6mg/L;DO0.03~0.45mg/L。1 1. 2. 3. 4. 5.6. 7. 8. 9. 10.11. 12. 13.,BOD5∶N∶P=100∶5∶1,,20h。。20d,,,SV3025%,MLSS2~3g/L,12hCODCr70%,SBBR,。2~4。2 3 ()4 ()1.3 CODCr,TN,NH3-N,NO3-N,SV30,MLSS[4],pH、DOYSI55;。2 2.1 -SBBR:。NO-3-N,、、。,。/,。/、,,。,,、。2.2 N,8,2,ⅠHRT4,6.0,7.0,8.0,9.0h;ⅡⅠHRT(7.0h),4(2)。Ⅰ、Ⅱ:MLSS2981mg/L,SV3027.7%。30~32℃,pH6.0~7.0,DO3~5mg/L,IA50mA。6 322 NⅠHRT/h/h/h//hⅡHRT/h/h/h//hA6.01.03.02.0B17.01.53.52.0B7.01.04.02.0B27.01.03.52.5C8.01.54.02.5B37.00.53.03.5D9.02.04.03.0B47.00.53.53.02.3 (IA),-SBBRIA0、40、80、120、160、200mA,IA(TN、NH3-N、NO-3-N)、CODCr。4。1IA0、40、80mA,2IA40、0、120mA,3IA80、200、160mA,4IA120、160、200mA。IA1,2。():MLSS()2864mg·L-1;SV30()27.5%;30~32℃;pH6.0~7.0;DO()3.0~4.5mg/L;TN、CODCr37~44、227~275mg/L。3 3.1 N -SBBR,。22L,13L。83。3 NⅠABCDⅡB1B2B3B4Ci(COD)/mg·L-1208.00236.00268.00228.00359.92274.51321.57313.73Co(COD)/mg·L-124.0016.0039.2239.2218.0531.3739.2231.37ηCOD/%88.4693.2285.3782.8094.9988.5787.8090.00Ci(TN)/mg·L-139.4737.5937.5937.5944.4843.8643.8644.48Co(TN)/mg·L-118.8012.5315.6713.7811.2811.2818.809.40ηTN/%52.3866.6758.3363.3374.6574.2957.1478.87Ci(NH3-N)/mg·L-137.5931.3331.3336.3437.5934.4640.7237.59Co(NH3-N)/mg·L-112.535.016.274.396.273.1312.533.13ηNH3-N/%66.6784.0080.0087.9383.3290.9269.2391.67 3,Ⅰ,B,CODCr,TN93.22%,66.67%。Ⅱ,B4,CODCr、、90.00%、78.87%,91.67%。CODCrB1,TN、NH+4-N。,,B4(),7h,0.5h、3.5h、/3.0h。3.2 (IA)SBBR,IA5~8。5、7,(IA),TN、NO-3-N。IA0~80mA80~200mA。,1IA,。IA80mA,TN43.86mg/L,TN7.52mg/L,TN、NO-3-N82.86%、35.43%,TN、NO-3-N(0mA)20%、12%,。2IA,TN、NO-3-N、NH3-N,,,“”[5],,。8,CODCr,79%~93%。。76(189) ,:SBBR5 IATN 6 IANH3-N7 IANO3-N 8 IACODCr 6,IA80mA,IA,NH3-N,。(IA80mA),TN。5、7,IA80mA,,[6]。IA80mA,IA,,,,H2。(H2)-,。IA,。,,、,、。IA80mA200mA,,NO-3,NO-3,NO-3,H2,NO-3。,,[7]。,,。,、。,IA,-SBBR,NO-322.9%~35.4%,TN41.7%~82.9%,TN42%(80mA)。,TN()。NO-3,NO-3,0.1~0.5mg/L,。,。4 -SBBR,50mA、7h,0.5h,3.5h,/(29)8 32。,,、、。,“、”。,,。(2),,,,、。,、、,、,、,、、。12369、、GPS、、,、、、、。(3)“”,。,、。,、、“PDA”、。“PDA”,、,。,3G,。“”、“”,3G、MID()。3G,,;MID,,。,、,。:[1] .[M].:,2008.112-117.[2] .[M].:,2004.127-134.[3] .[J].·.200919(4):30-31.[4] .[J]..2008(19):57-58.[5] , ,,.[M].:.2005.13-19.[6] , .[J]..200922(Z2):55-56.(8)3.0h,TN、NH+4-N,79%92%。。,,80mATN、NO-3-N,20%、12%,。,,。:[1] ,, ,.SBBR“”[J].,2008,34(8):10-12.[2] , , .[J].,2006(6):49-53.[3] SakakibaraY,ArakiK,WatanabeT,etal.TheDenitrificationandNeutralizationPerformanceofanElectrochemicallyActi-vatedBiofilmReactorUsedtoTreatNitrate-contaminatedGroundwater[J].Wat.SciTech.,1997,36(1):61-68.[4] 《》.[M].:,2002.[5] SakakibaraY,KrodaM.ElectricPromptingandControlofDenitrification[J].Biotcch.Bioeng.,1993(42):535-537.[6] ,,.[J].,2009,40(1):42-45.[7] ,, ,.[J].,2008,24(15):28-31.296(189) :
本文标题:电流对污水SBBR系统脱氮效能的影响李阳
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