城市污水生物脱氮除磷技术钱群

23　2200012　　JOURNAL　OF　SSSRIVol.23No.2Dec.2000　　:1000-4696(2000)02-0129-06　　　钱　群,　朱鸣跃,　余荧昌()　:介绍城市污水生物脱氮除磷工艺的发展,着重分析近年来国内外在该领域开发的几种新型工艺和技术,最后认为A/O、A2/O、CAST等工艺技术成熟、运行简单可靠,在我国的市政污水处理领域将会有良好的应用前景。:城市污水处理;脱氮;除磷:X505　　　:ADenitrificationandPhosphorusRemovalTechnologiesforMunicipalWastewaterTreatmentQIANQun,　ZHUMing-yao,　YUYing-chang(DivisionofEnvironmantalProtection)Abstract:Thedevelopmentofdenitrificationandphosphorusremovaltechnologiesformunic-ipalwastewatertreatmentareintroduced,andthelatestnewmethodsdevelopedathomeandabroadinthisareaarecentrallyanalysed.A/O,A2/OandCASTareconsideredtobema-tureandreliabletechnologies,whicharepromisingtobeappliedinthemunicipalwastewatertreatmentinourcountry.Keywords:municipalwastewatertreatment;denitrification;phosphorusremoval:2000-06-16　　,。,,,。,。,BOD5SS,N、P10%～20%,TKN:50～60mg/L,TP:4～20mg/L,,(:10mg/L;TP:1.0mg/L),。、,:。1　分段脱氮除磷工艺1.1　A/O、A2/O,:,,,CODcr。,,,,,,。。30Wuhrmann(1)[1],、。:,,;。,,;,,,,,。60,LudzackEttinger(2)[2],,,,,。70,BarnardLudzack-Ettinger,A/O(3),A/O,,,,,。A/O,A2/O(4),。A/O、A2/O,、,、,,;,,,。A/O、A2/O,。A/O、A2/O,、。1　Wuhrmann2　Ludzack-Ettinger130　　　　200023　Ludzack-Ettinger(A/O)4　A2/O10　Phostrip9　A/A/O8　UCT7　UCT6　Bardenpho5　Bardenpho1.2　、、,A/OA2/O,,:、,,、Bardenpho(5、6),90%,3mg/L,。,UCT(7)[3,4],,,,NO-3—N,NO-3—N,。,NUCT(8),。,A2/O/(9),,10%131　,:,,,。1.3　Phostrip,、,,,,,Phostrip[5]。Phostrip(10),,,,1mg/L,,,,。11　Dephanox1.4　Dephanox、,[6,7]。,“”-DPB,NO-3,,,,,。:(),,。Dephanox(11)[8],,,,,。,,。12　A-B1.5　A-BA-B[9,10]70(12),A、B,,,。A、,,,A、。,A30%,50%～60%,B。A,B。A,B、,,,BOD5。A-B,10/,BA2/O,,A,,AB,。A-B、,。,A-B,A-B,,,,,。132　　　　200022　同步脱氮除磷工艺、。,,、,。2.1　[11],、、,。A/O,,10%～20%,,,。,、,,。2.2　SBRSBR。、、,//,,N、P90%,,SBR,,、,。SBR20,,,,SBR,CAST[12]。CAST,,、,,,。,,。20%,,,,,,,;,,,,、,。CAST,、,。,,,。2.3　,,[13],SBR,,,NH3—N,。,,、。,。,,。2.4　-,133　,:,-[14],、-、,,,,CODcrNH3—N96%、93%。,,,。3　结语,,,,。,,,,。A/O、A2/O,,,,;CAST,SBR,,、,50%,,,。,A/O、A2/O、CAST、。:[1]　,.[M].:,1992.[2]　[M].,1998.[3]　SiebritzIPetal.AParametricModelforBiologicalExcessPhosphorusRemoval[J].WaterSci.Tech.,1983,15(3/4).[4]　MaraisGVRetal.ObservationsSupportingPhosphorusRemovalbyBiologicalExcessUptakeReview[J].WaterSci.Tech.,1983,15(3/4).[5]　LevinGVandSalaUD.“Phostripprocess-avariableanswertoeutrophicationoflakesandcoastarseawatersinI-taly”,Biologicalphosphateremovalfromwastewaters(R.Ramadoried.),ProceedingsofanIAWPRCspecialized(Sept.28～30,1987,Rone),249～260,PergamonPress,London.[6]　ArvinE.Biologicalremovalfophosphorusfromwastewater[J].CRC.Crit.Rev.Environ.Control,1985,(15):25～64.[7]　IsaacsS.Shorthorizoncotrolstrategiesforanalternatingactivatedsludgeprocess[J].Wat.Sci.Tech.,1996,34(1～2):203～211.[8]　BortoneGetal.BiologicalanoxicphosphorusremovaltheDephanoxprocess[J].Wat.Sci.Tech.,1996,34(1～2):119～128.[9]　,.A-B[J].,1995,10.[10]　A-B[J].,1997,10(2).[11]　　,　,.[J].,1997,13(5).[12]　MervynCGoronszy.[J].,1996,12(6).[13]　,.[J].,1997,13(4).[14]　,　.-[J].,1997,18(6).[15]　.[M].:,1997.134　　　　20002