城市污水化学除磷药剂的选择实验研究

23420108POLLUTIONCONTROLTECHNOLOGYVo.l23,No.4Aug.,2010,(苏州工业园区清源华衍水务有限公司,江苏苏州215021):,,,,,,,100mg/L,:;;:X703:AExperimentalStudyontheSelectionofChemicalAgentsinPhosphorousRemovalofSewageYUYun-fang,GUJun(SuzhouIndustrialParkQingyuanHongKong&ChinaWaterCo.,Ltd.,Suzhou,Jiangsu215021,China)Abstract:Thebiologicalphosphorousremoval(BPR)technologieswithoutchemicaldephosphorizationcouldnotmeetthere-quirementsofsewagetreatmentwhiletheinflowwithhighconcentrationofphosphorus.Undertheconditionsoflowdosage,FeCl3couldachievegoodefficiencyofphosphorusremovalbutresultedinincreaseinchroma.Aluminiumpolychloridhadbetterefficien-cy,regardlessofitsdosageleve.lAl2(SO4)3hadtheworseremova,lbutdifferedlittlefromFeCl3ifthedosagewaslargerthan100.00mg/L.Keywords:chemicaldephosphorization;inflow;sewagetreatment:2010-05-07:(1967)),,,,,,,,,,,,,,,,[1],,,,,[2],,,,,,,,,[3-5],,201081#75#11.1水样样品采集,1.2试验用药剂(1)(1g/L),10.0%Al2O3(GB15892)2003),1000(2)(1g/L),40%FeCl3(GB4482)93)1000(3)(1g/L),8.0%Al2O3(GB3151)82)1000(4)(33%),1.3实验设计1000mL,,,200r/min1min;20r/min20min;30min,pHTP1.4主要测试仪器pH(pHSJ-3F)(EV300)22.1硫酸铝与聚合氯化铝投加量对除磷效果的影响:Al3+PO3-4,,Al3+,Al(OH)2+,Aln(OH)(3n-m)+m,,pH5.0~8.0[3]Al2(SO4)3,,[Al2(OH)nCl(6-n)]m,,40~150mg/L,,TP4.19mg/L4.22mg/L,pH7.317.8112,,TP,100mg/L,TP1.96mg/L,50%100mg/L,TP1.55mg/L,63%3,,pH,,,pH123pH2.2三氯化铁投加量对除磷效果的影响,Fe3+,,,,,,pH8[6]4.38mg/L,pH7.76,,44,40mg/L100mg/L,23.52%49.77%,#76#1234,,,,Fe2+Fe3+2.3石灰乳投加量对除磷效果的影响,Ca5(PO4)3OH,pH,,pH10[7]33%300~1800mg/L,,TP4.57mg/L,pH7.85,5656,,600mg/L50%,pH9.55,Ca2+,OH-pH,Ca5(OH)(PO4)3,[1]1200mg/LpH10.8,,456pH2.4化学除磷药剂应用效果的比较,,,,,,pH10,pH,,,,4mg/L,100mg/L,TP50%(7)77,,;,,,,,,,,,,,3(1),,,pH,(2),,(3),100mg/L,(4),(下转第100页)#100#1234,,6,,,,,,,,[][1],,,.[J].,2006,28(2):100-103.[2],,,.[J].,2009,31(3):93-96.[3].[M].:,2009146.[4].[J].,2009,2:66-68.[5],,,.[J].,2009,32(6):72-74.[6],1[J].,2004,V(N):30-32.(上接第64页)-Fe(Ó),Fe(Ò),Cr(Ö)3pH-Fe(Ó)Cr(Ö),Fe(Ó)Cr(Ö)Al(Ó)Cu(Ò)-Fe(Ó)Cr(Ö)Fe(Ó)-Cr(Ö):[][1]ZayedAM,TerryN.ChromiumintheenÖronment:factorsa-ffectingbiologicalremediation[J].PlantSoi,l2003,249(1):139-156.[2]WittbrodtPR,PalmerCD.Effectoftemperature,ionicstrength,backgroundelectrolytes,andFe(Ó)onthereductionofhex-valentchromiumbysoilhumicsubstances[J].EnÖronSciTechno,l1996,30(8):2470-2477.[3]HugSJ,LaubscherHU.Iron(Ó)catalyzedphotochemicalre-ductionofchromium(Ö)byoxalatecitrateinaqueoussolu-tions[J].EnÖronSciTechno,l1997,31(1):160-170.[4]TzouYM,WangSL,WangMK.FluorescentlightinducedCr(Ö)reductionbycitrateinthepresenceofTiO2andferric-ions.ColloidandSurfacesA:Physicochem.Eng[J].Aspects,2005,253(1):15-22.[5],,,.(Ó)-(Ö)[J].,2005,24(3):307-310.[6],,,.(Ó)-(Ö)[J].,2005,25(6):419-422.[7]..[S].:,2001.[8],,,.(Ó)-[J].,2002,21(1):87-91.[9]LoeppertRH,InskeepWP.Iron.In:SparksDL(ed)Methodsofsoilanalysis,SoilSciSocAm,Madison,WI,1996.[10]ZhangZ,WuF,DengNS.PhotochemicalreductionofCr(Ö)inaqueoussolutionscontainingFe(Ó)-hydroxycom-plexes[J].ToxicolEnvironChem,2001,82(1):129-137.(上接第76页)[][1],,.[J].,2008(1):14-161[2]MogensHenze.[M]..:,19991[3],,.[J].,2003,23(5):18-201[4]RichardSedlak.PhosphorusandNitrogenRemovalfromMunic-ipalWastewaterPrinciplesandPractice(SecondEdition)[M].NewYork:LewisPublishers,19991[5]Metcal,fEddyInc.WastewaterEngineerTreatmentandReuse[M].NewYork:McGraw-Hil,l20031[6],,.[J].,2006,26(3):26-301[7],.[J].,2002,24(2):81-841