MBR中影响短程硝化反硝化的生态因子鲁南

:(2000E0034M):2005-06-07:(1975-),,,,,。MBR中影响短程硝化反硝化的生态因子　1,　1,2(1.,　250100;2.,　650093):、DO、PH、。,30℃,PH8.0,DO1.0mg/LHNO2。,NHO2。:,;:X703　　:A　　:1004-4280(2005)04-0018-05,NH+4,()。,,。,NO-2NO-3。NH+4—HNO2—N2,。:①,25%,;②40%,C/NTN;③50%;④;⑤,。。1　1　1,2。,:450μm,350μm,50μm,4m2,0.1μm,0.6～0.8t/d·m2,≤0.3×105Pa。0.12m3。2　,C:N:P=100:5:1、,194200512　　　　　　　　JOURNALOFSHANDONGINSTITUTEOFLIGHTINDUSTRYVol.19No.4Dec.2005。4h,、、、5,2.5h,1.5h。2.1　HNO2pH7.5,DO2.5mg/L,COD1.1kg/m3.d。,,NO2-N、NO3-N,。12。1　HNO2(℃)NO2-N(mg/L)NO3-N(mg/L)NO2-N/(NO2-N+NO3-N)120.630.6549.2%200.914.4115.1%250.784.3115.2%300.474.559.4%352.931.7961.2%403.291.4968.8%2　HNO2　　,15～30℃,NH3-NNO3-N,NO2-N。15℃30℃NO2-N,NO2-N/(NO2-N+NO3-N)50%。2.2　pHHNO228℃,DO2.5mg/L,COD1.1kg/m3·d。pH,pH,NO2-N、NO3-N,。23。2　pHHNO2pHNO2-N(mg/L)NO3-N(mg/L)NO2-N/(NO2-N+NO3-N)6.00.281.0521.0%7.01.083.8022.1%7.51.123.8522.5%8.02.232.7644.8%8.52.942.1058.7%9.03.371.667.0%　　3,pH7～8,NH3-NNO3-N,NO2-N。194:MBR3　pHHNO2pH8NO2-N,NO2-N/(NO2-N+NO3-N)50%,pH9,NO2-N/(NO2-N+NO3-N)67%。2.3　DOHNO228℃,pH7.5,COD1.1Kg/m3·d。DO,—DO,NO2-N、NO3-N,。34。3　DONHO2DONO2-N(mg/L)NO3-N(mg/L)NO2-N/(NO2-N+NO3-N)0.54.460.7685.4%1.12.472.5848.9%1.61.873.0238.2%2.51.433.4532.7%3.00.814.3412.1%4　DOHNO2　　,,。DO1.0mg/L,。DO,20　　　　　　　　　　　　　　　　19,NO2-N。,DO1.0mg/L,NO2-N/(NO2-N+NO3-N)50%。DO。0.2-0.4mg/L,1.2-1.5mg/L。2.4　HNO228℃,pH7.5,DO2.5mg/L。,,NO2-N、NO3-N,。45。4　HNO2(kg/m3.d)NO2-N(mg/L)NO3-N(mg/L)NO2-N/(NO2-N+NO3-N)0.0231.383.4728.5%0.0313.772.3062.0%0.0424.872.3867.0%0.0534.643.1359.1%5　HNO2　　5,,NO2-N。,(FA),,NO2-N。,(FA),()FA,0.6mg/LFA,HNO2,HNO2;FA5mg/L,40mg/L。2.5　HNO2。、;,,,。2.6　HNO2,,“”。,。214:MBR3　(1)15℃30℃NO2-N,NO2-N/(NO2-N+NO3-N)50%。(2)pH8NO2-N,NO2-N/(NO2-N+NO3-N)50%,pH9,NO2-N/(NO2-N+NO3-N)67%。(3)DO1.0mg/LNO2-N,DO。(4),NO2-N。,(FA),,NO2-N。:[1]　ShimizuY,OkunoY,UryuK,etal.Filtrationcharacteristicsofhollowfibermembrantorfordomesticwastewatertreatment.Wat[J].Res.1996,31(10):2385-2392.[2]　/[J].,2001,21(1):79-83.[3]　-[J].,2000,16(2):29-32.[4]　,-[J].,1998,14(1):6-9.[5]　.,-[J].,1999,19(4):204-207.[6]　YeomlT,YMNah,KHAhn,Treatmentofhouseholdwastewaterwithanintermittentlyaeratedmembranebioreactor[J]Desalination,1999,124:193-204.[7]　.[J].,2002,22(5):261-265.Thezoologicalfactoresofinfluencingshortcutnitrification-denitrificationinMBRLUNan1,SUNRui1,PUHong-ping2(1.GraduateOffice,ShandongInstituteofLightIndustry,Jinan250100,China;2.SchoolofEnvironmentalScienceandEngineering,KunmingUniversityofScienceandTechnology,Kunming650093,China)Abstract:Inthispaper,theinfluencesoftemperature,DO,PH,loadofNH3-Ntoshortcutnitrifica-tion-denitrificationarestudied.TheexperimentthatHNO2wasaccumulatedwhentemperature30℃,DO1.0mg/L,PH8.0,thehighloadofNH3-NisbeneficialtoaccumulateHNO2.Keywords:membranebioreactor;shortcutnitrfication-denitrification;wastewatertreatment22　　　　　　　　　　　　　　　　19