不同污泥龄下MBBRMBR和MBR的脱酚脱氮性能比较

201216·110·(450011)[]MBBR-MBRMBRNH3-NCODTNMBBR-MBRMBRMBBR-MBRMBR8dMBBR-MBRNH3-NMBR2.420dMBBR-MBRNH3-NTNCOD95.4%82.6%99.4%99.6%[]-[]X703.1[]A[]1007-1865(2012)16-0110-02TheComparisonofPhenolandNitrogenRemovalPerformancebyMBBR-MBRandMBRinDifferentSludgeRetentionTimesLeiQingduo,ZhaoYanxia,LiuYilin(DepartmentofEnvironmentalandMunicipalEngineering,NorthChinaUniversityofWaterConservancyandElectricPower,Zhengzhou450011,China)Abstract:ThroughrunningtheMBBR-MBRandMBRwhichareinthesameconditionofmaintainingwaterqualityandotheroperatingsinparallel,comparingtothetworeactorsdegradationefficiencyoftheNH3-N,COD,TNandm-cresolinthedifferentsludgeretentiontimes(SRT),analyzingphenolremovalanddenitrificationperformanceofthetworeactors.Theresultsshowedthat:thetreatmentefficiencyofMBBR-MBRishigherthantheMBRinthedifferentsludgeages.Asthesludgeageof8d,thenitrificationefficiencyofMBBR-MBRis2.4timeshigherthantheMBR.Asthesludgeageof20d,theremovalefficienciesofNH3-N,TN,CODandm-cresolwere95.4%,82.6%,99.4%and99.6%inMBBR-MBR..Keywords:MBBR-MBRMBRSRTphenolandnitrogenremoval[1][2-3]MBBR-MBR[4-6]MBBR-MBRMBR11.11-2-3-4-5-6-7-8-1Fig.1Schematicdiagramofexperimentalset-up210.2m×0.2m0.2m8L0.01885m20.2umMBBR-MBR30%10mm×10mm1200m2/m3[7]1.211Tab.1WaterqualityfortheexperimentCOD/(mg·L-1)NH3-N/(mg·L-1)TN/(mg·L-1)/(mg·L-1)1991.3~2110166.3~172.9169.0~178.979.73~88.341.3(HRT=20h=250C=0.7m3/hMBBR-MBR30%)82040dMBBR-MBRMBRNH3-NTNCOD120d1.4[8]COD()NH3-N()()(4-)22.1COD[]2012-10-12[]QAK201010[](1962-)20121639240·111·0.930.940.950.960.970.980.991/dCOD/%MBRMBBR-MBR2CODFig.2CODremovalefficiencyindifferentSRT2COD2034.58mg/LMBBR-MBRCOD98.6%99.5%SRT=8dMBR96%SRT=20dMBRCOD99.1%SRT=40dMBR2.200.10.20.30.40.50.60.70.80.9140208/d/%MBRMBBR-MBR3Fig.3NH3-NremovalefficiencyindifferentSRT[9]3MBRSRT=8d34.1%98.8%MBRMBBR-MBRSRT=2040d90%SRT=8d81.0%MBBR-MBRMBR2.300.10.20.30.40.50.60.70.80.9140208/d/%MBRMBBR-MBR4Fig.4TNremovalefficiencyindifferentSRT4MBRSRTSRTMBBR-MBRSRT=8dMBBR-MBR72.1%SRT=20d82.6%SRT=40d9g/L2.40.820.840.860.880.90.920.940.960.98140208/d/%MBRMBBR-MBR5Fig.5M-cresolremovalefficiencyindifferentSRT5SRT=2040d99.0%SRT=8dSRT=8dMBBR-MBRMBBR-MBR98.6%MBR89.3%3(1)8dMBBR-MBRNH3-NTNCOD81.0%72.1%98.6%95.5%MBR46.9%68.7%2.6%6.2%2040dMBBR-MBRNH3-NCODTNMBRMBRMBBR-MBRMBBR-MBRMBR(2)MBRNH3-N82040dNH3-N34.1%85.7%98.8%40dMBRNH3-N(3)82mg/LMBRMBBR-MBR[1][J]200825(1)54-57[2][J]20093(2)249-252[3]HosseiniSHSMBorgheiThetreatmentofphenolicwastewaterusingamovingbedbio-reactor[J]ProcessBiochemistry200540(3-4)1027-1031[4]-[J]200628(2)145-148[5][J]200535(11)19-22[6]LeiknesTorOveegaardetalThedevelopmentofabiofilmmembranebioreactor[J]Desalination2007202(1-3)135-143[7]PVA[J]200934(2)137-164(109)20121639240·109·20019921398158604515471951(2015)6.43(2020)8.3444.1“+”“+”--22-“+”6446060.620.7919499m18217.8ha4.2“”110000.42×104m3/d0.49×104m3/d“”34272391493.254.2393643m130999.35ha4.3“”67.282373050d200COD30“”271879962.563.320m13900ha5200(2015)“”“”2[1][M]2006[2][M]2012[3][M]2009[4][M]2010(111)[8]()[M]2002[9][J]200733(2)46-49