pH值对城市生活污水短程硝化的影响孙晓杰

306200912　　　　　　　　　JournalofNorthChinaInstituteofWaterConservancyandHydroelectricPowerVol.30No.6Dec.2009:2009-08-08:(1974—),,,,.:1002-5634(2009)06-0095-04pH孙晓杰1,唐国斌2,陈伟胜3,童　玲3(1.清华大学环境科学与工程系,北京100084;2.山东环境保护科学研究设计院,山东济南250013;3.华北水利水电学院,河南郑州450011)　:,,SBRpH30%.:,pH;30%,;.:pH;;:X703　　　:A　　,,,,().,,22,.,NO-2NO-3.2,NO-3,;NO-2,().,,:,;25%,;40%;;.,.,.pH.SBRpH,30%().1　1.1　SBR,1.1—ORP;2—;3—;4—ORP;5—;6—pH;7—pH;8—;9—;10—;11—;12—1　SBR30cm,70cm,42L.,,..1.2　,CODcr300～400mg/L,40～70mg/L,28℃,pH8.0～9.0,DO2～3mg/L.,、,2g/L.1.3　:;:;:N-(1-)-;pH:pH211;DO:YSIMOD-EL50B;CODcr:.2　2.1　pH[1-7]pH(FA).,2;.pH,,.pHFA,.pH7.4～8.5,pH6.0～7.5.pH7.0.pH8.0,HNO2,,HNO2.,:pH8.3,pH8.5～9.0.25～28℃.pH8.3,、、2.2,2　pH8.3、、,,.FA3～12mg/L,FA,.[3]FA,.[8],28℃,60～70mg/L,pH8.5.,3、,.4(24h3d),25mg/L,95%,.24h3d.24h3d,33d.,.,.:、;.24h3d,,,,(NH+4),.,242.8～351.7kJ/mol,5%～14%.64.5～87.5kJ/mol,5%～10%,1/5～1/4,,4～5,,.,.[3],FA,0.6mg/L,FA,5mg/LFA,40mg/L.FA,pH8.5～9.0,FA7～26mg/L,3.96　　　　　　　　　　　　　　　　　　　　　2009123　pH8.5～9.0、、　　　　3,pH8.5,7h,.FA,FA.,,pH.4pH8.3、56.7mg/L,、、.5pH8.60、52.82mg/L、11.66mg/L、28℃、2mg/L,、.4　pH8.3、、5　pH8.6、　　、　　4,5,,.3h,,;,.,,,,..,[1,9-10].[11],(),,.2.2　pH30%.,35%,30%,10.5%.,,.30%:,pH6.5～7.5;pH8.3.:28℃、DO2～3mg/L、50～90mg/L.,30%.6,7.660.94mg/L、pH7.24、、.7pH8.3,65.39mg/L,、、.6,7,7h,,,.pH7.2483%,pH8.395%,,pH.97306:　pH　　　　　　　　　6　pH7.24、　　、7　pH8.3、　　、3　　1.,pH.,,.2.30%(),.,pH..,,.　　　[1]AnthonisenAC,LoehrRC,PrakasamTBS,etal.Inhibi-tionofnitrificationbyammoniaandnitrousacid[J].JW-PCF,1976,48(5):835-852.[2]AbelingU,SeyfridCF.Anaerobic-aerobictreatmentofhighstrengthammoniumwastewater-nitrogenremovalvianitrite[J].WatSciTech,1992,26(5/6):1007-1015.[3],,,.[J].,1994,20(4):230-235.[4],,.[J].,1998(1):6-8.[5],.[J].,1999,25(7):37-39.[6],,,.[J].:,2000,23(3):74-76.[7],.[J].,2001,21(1):79-83.[8],,,.[J].,2003,24(3):50-55.[9]TurkO,ManinicDS.Maintainingnitritebuild-upinasys-temacclimatedtofreeammonia[J].WatRes,1989,23(11):1383-1388.[10]AllemanJE.Elevatednitriteoccurrenceinbiologicalwastewatertreatment[J].WatSciTech,1984,17(1):409-419.[11],,,.[J].,2000,32(1):1-3,7.pHValueEffectonShortcutNitrificationofMunicipalSewageSUNXiao-jie1,TANGGuo-bin2,CHENWei-sheng3,TONGLing3(1.CollegeofEnvironmentalScienceandEngineering,TsinghuaUniversity,Beijing10084,China;2.ShangdongAcademyofEnvironmentalScience,Jinan250013,China;3.NorthChinaInstituteofWaterConservancyandHydroelectricPower,Zhengzhou450011,China)Abstract:Inordertorealizeaccumulationofnitriteduringdenitrogenatinginshortcutnitrificationandshortcutanti-nitrificationforcon-trolingthetypeofnitrificationreaction,someexperimentsweredone.Intheseexperiments,usingSBRtechnique,pHvalueeffectonshortcutnitrificationtomunicipalsewagewhichhadnotcontainedseawaterandhadcontained30%seawater.TheresultsofexperimentsindicatthatshortcutnitrificationcanuncertainlybeachievedintreatingmunicipalsewagewithoutseawatertoraiseonlythevalueofpHtoraisetheconcetrationoffreeammonia,shortcutnitrificationcanbeachievedintreatingmunicipalsewagecontaining30%seawater,andseawaterisafactorofeffectonshortcutnitrification.Keywords:pH;municipalsewage;shortcutnitrification98　　　　　　　　　　　　　　　　　　　　　200912