城市污水处理中提高生物脱氮效率的研究

©1994-2010ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(,252059)(,200062)Aö0(ö),,CODcrBOD5,CODcrBOD5NH3-NNO3-NTheresearchabouthowtoincreasethedfficiencyofbiologicalnitrogenremovalZhangQianpeng,ZhangYongzhong,LiuLianfen,etal.ShandongLiaochengTeachers’CollegeAbstract:AöO(anaerobicöaerobic)systemwhichisusedwidelyatpresenthasbeenimproved.Abackflowingdevicemakingwaterreturnedfromoutletoftheaerobicdevicetotheanaerobicdeviceisaddedtowiththeadditionalnewdevice,thesystemmaintainstheoriginalsystem’sadvantageofhighrateofeliminationCODcrandBOD5,andenhancestherateofeliminationnitrogenfrom10.6%to45.2%.Soithasgreatvalueinusagetodomesticsewagetreatmentplants.Keywords:CODcrBOD5NH3-NNO3-NTN,CODcr80%,BOD590%,NH3-N,10%20%,,,,AöO,4,,,111112(1),AöO,,39cm,21cm,1316L;46cm,12cm,512L(2),(1)1(1)2(2)11236Löd,12h,=21(8h,4h),,,BOD5,NH3-N,,(BOD5),NH3-N22123320016©1994-2010ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(2)(1),,NO3-N,BOD5NO3-NN2,N2,,[1]1131[2]1CODcrBOD5NH+3-NNO-2-NN-(1-)-NO-3-NTN2(1)(2)CODcrBOD5NH+3-NNO-2-NNO-3-N232(1)(2)CODcrBOD5CODcrBOD5ömgL-1ömgL-1ö%ömgL-1ömgL-1ö%(1)2121926148716128173139715(2)14817191686181061331896143(1)(2)(1)111981901185010185321228181016(2)11.33.500.4708.372513.745.2:%,mgL-123,(1)CODcr8716%,BOD59715%,,,1016%(2)CODcr8618%,BOD59614%,(1),,4512%(1)(1)[3]3,,(1)NO-3-N,,(2)2,NO-3-N,NO-3-NN2,,(1)4,NH+3-NNO-3-N3,AöO,CODcrBOD5NH+3-N,,,,1,,..:,19942,()3..:,1989(:2000204202)(FDA),BayerEnrofloxacinAbbottSarafloxacin,,FDA,1ö4()321