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611Vol6No11201211ChineseJournalofEnvironmentalEngineeringNov2012*(541004)--3-0.90mgP/(gVSSh)0.07mgP/(gVSSh)0.17mgP/(gVSSh)0.04mgP/(gVSSh)--0.59mgP/(gVSSh)0.37mgP/(gVSSh)0.17mgP/(gVSSh)0.10mgP/(gVSSh)---X523A1673-9108(2012)11-4021-06SustainabilityofdenitrifyingphosphorusremovalbacteriainamunicipalwastewatertreatmentplantLinYuqianBaiShaoyuanWangDunqiuChenTengshuXuJian(CollegeofEnvironmentalScienceandEngineeringGuangxiKeyLaboratoryofEnvironmentalPollutionControlTheoryandTechnologyGuilinUniversityofTechnologyGuilin541004China)AbstractThisstudyinvestigatedthesustainabilityofdenitrifyingphosphorusremovingbacteriaenrichedunderanaerobic-anoxic-aerobicconditionSludgefromtheGuilinFourthMunicipalWastewaterTreatmentPlantwasstudiedTheresultsindicatedthatmaximumphosphorusreleaseratedecreasedfrom0.90to0.07mgP/(gVSSh)anddenitrifyingphosphorusuptakeratedecreasedfrom0.17to0.04mgP/(gVSSh)afterthreeperiodsofanaerobic-anoxicprocessIncontrastthesludgewithanaerobic-anoxic-aerobicprocesshadsmallerdecreasingrangesofphosphorusreleaserates(0.59to0.37mgP/gVSSh)anduptakerates(0.17to0.10mgP/gVSSh)Theanaerobic-anoxic-aerobicprocesswasbenefitforthesustainabledenitrifyingphosphorusremovalthantheanaerobic-aerobicprocessKeywordsdenitrifyingphosphorusremoval;operationconditions;sustainability:(2008ZX07317-02-03);(NCEF-080619);(0901Z002);:20111117;:20120108:(1986)E-mail:linyuqian_99@163.com*E-mail:baisy@gluteducn(DN-PAOs)-1-6(PAOs)78910-1314-166(PAO50%)1718---11.1199610tCarrousel0.6h217.4hA/C1.2---251-9h(3h-4h-2h)3()33(NaAcCOD200mg/L)18(COD)COD3h(40mg/L)4h2h-034579h-2--9h(3h-2h-2h-2h)3()3(NaAcCOD200mg/L)(COD)COD3h(40mg/L)2h;2h23mg/L;2h034579h3h--1.3(3000r/min5min)19CODTPNO3-N22.1--113hCOD218.4mg/L53.76mg/L1.87mg/L8.67mg/L1h3h8.67mg/L11.63mg/LPHB1hCOD54.66mg/L50.4mg/L4PHB220411:1-CODTPNO3-NFig.1VariationofCODTPandNO3-Ninanaerobic-anoxicprocess202147h11.168.69mg/L0.92mgP/gVSSNO3-N30.712.78mg/L2hTPCOD12.783.89mg/L23hCOD141.12mg/L8.96mg/L11.36mg/L111h447h11.43mg/L9.07mg/L10.87mgP/gVSS28.91mg/L2.24mg/L1COD100mg/L1COD103.49mg/L33hCOD275.52mg/L228.48mg/L9.85mg/L10.28mg/LPHB10.35mg/L9.47mg/L0.33mgP/gVSS0.08mgP/(gVSSh)-22:A/A-SBR;100PHBPHB231-321.573.66mg/L-2.2----2--13hCOD221.7660.18mg/L2.29.41mg/L1.491.99mg/L-1h4hCOD3204