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吴海林 杨 开 王弘宇(,430072)张 凯(,430034) ,。,、。 ThedevelopmentandstudyofphosphorusremovalprocessfromwastewaterWuHailin YangKai WangHongyu(CollegeofCivilEngineering,WuhanUniversity,Wuhan430072)ZhangKai(WuhanDesignInstituteofWaterandWastewaterEngineering,Wuhan430034)Abstract Peoplearemoreandmoreconcernedaboutphosphorusremovalfromwastewater.Thispaperintroducesandremarkstwophosphorus-removalmethodsincludingphosphorusremovalthroughbiologicalac-tivityaswellaschemicalprecipitation,theirmechanismsandprocessesofphosphorusremoval.Moreoveritemphaticallyintroducesthepresentsituation,newdevelopmentandstudydirectionofbiologicalphosphorusre-moval.Keywords eutrophication;phosphorusremovalfromwastewater;phosphorus-accumulatingbacteria;chemicalprecipitation;crystallization:2002-02-13;:2002-11-19:(1977～),,,,。1 、、,。,,,、,。,。《》(GB8978-1996),0.5mg/L。2 ,、。、。,75%—85%,,0.5mg/L,;,。,,,,,。3 ,()(),。3.1 [1],,,41Vol.4,No.120031TechniquesandEquipmentforEnvironmentalPollutionControlJan.2003。。。,Al3+Fe3+,():Al3++PO3-4※AlPO4↑,:Al2(SO4)3+2PO3-4※2AlPO4+3SO2-4,。pH,pH6.0—7.0,pH5—5.5,,pH,FePO4AlPO4。,,,pH,Ca5(OH)(PO4)3,:5Ca2++4OH-+3HPO2-4※Ca5(OH)(PO4)3↑+3H2O1 、pH,Ca5(OH)(PO4)3。90%,pH10.5—11.0,,,0.5mg/L。[2],:,pH,(),:10Ca2++2OH-+6PO3-4※Ca10(OH)2(PO4)6pH。Ca2+、OH-、PO3-4,pH,,,,。,,,,。3.2 。2070,,,(Acinetobacter)、(Aeromonas)、(Corymebacterium),,10%,30%,2%。,。(),,。,,,。,,。4 4.1 ,、,1。,。,;,。,、,。,,,;,pH,,544,。,。,,,;,。4.2 。4.2.1 A/O工艺Spector2070,BardenphoA/O,[3,4](2),,。,0.5—1h1—3h,。4.2.2 A2/O工艺3 BardenphoPhoredox A2/OA/O(2),,、3,。、、。10mg/L,85%—90%。2 A/OA2/O[5],A2/O/,A2/O,,A2/OTNTPA2/O10%9%,COD。,,,,。A2/O,。,A2/O,,,A2/O。4.2.3 Bardenpho工艺BarnardBardenpho,[6,7]。,90%—95%,97%,3。4.2.4 Phoredox工艺BarnardBar-denpho[8,9](3)。。。。,BOD、。,。,。,NO-3NO-2。Bar-denpho。4.2.5 UCT工艺,,。,551:。UCT(4),。,。,,。UCT。4 UCT4.2.6 SBR工艺Irvine[10]2070,,、、、,。,SBR,,SBR。SBR:(1);(2),;(3);(4);(5)。5 Phostrip[11]SBR,,。,60%—65%,,,,TP12.4mg/L,COD∶TKN∶TP=100∶10.97∶1.56,6h0.83mg/L,93.3%。SBR,,、、,。4.2.7 Phostrip工艺[12]Phostrip(5),,(10%—20%),8—12h,,。,,,。。Phostrip,。1mg/L,BOD。4.2.8 其他工艺,。[13](PIAS)。PIAS,,,,、,,,,,。,PIAS。TPANRANR。PIAS。,。[14],,。,N、P。N、P,[15]。、,,。(),,564、,,。、NH4-N17.0mg/L,PO43.1mg/L,COD16.0mg/L。,24h,NH4-N0.43mg/L,PO40.1mg/L,,。5 0.5mg/L,。,。,。,。[1].().:,1996[2][]..:,1987[3]U.S.EPA.Designmanual—phosphorusremoval.EPA/62-1/1-87/001,1987[4]MurakamiJakao,MiyairiAtsushi,TanakaKazuhiro.Fullscalestudyofbiologicalphosphorusremovalprocesses.Wa-terScienceandTechnology,1984,17:297—298[5].A2/O.,1999,17(2):7—10[6]BarnardJ.L.CutPandNwithoutchemicals.WaterandWastesEng.,1974,11(7):33[7]StanderG.J.,CillieG.G.,HallE.J.,HenzenM.R.WastewatertechnologiesinsouthAfrica:researchandap-plication.WaterScienceandTechnology,1982,14:465—480[8]PotgieterD.J.J.,EvansB.W.Biochemicalchangesasso-ciatedwithluxuryphosphateuptakeinamodifiedphoredoxactivatedsludgesystem.WaterScienceandTechnology,1982,15:105—115[9]JonesP.H.,TasfiL.Effectofapplieddirectcurrentonbi-ologicalphosphorusuptake.WaterResearch,1987,25(6):723—729[10]IrvineR.L.,etal.Organicloadingstudyoffull-scalese-quencingbatchreactors.JWPCF,1985,57:847[11]..,1997,15(6):13—16[12]..:,1999,127—128[13].PIAS.,2000,22(3):40—42[14]..,2001,21(3):212—216[15][]..:,1988(责任编辑:刘 颖)571: