高锰酸钾除臭技术的试验研究

1,2,3(1.,430070;2.,300074;3.,430070):,,pH,1.0mg/L30minpH7.58.0;,:;;:TU991:C:1000-4602(2009)15-0063-04ExperimentalStudyonPotassiumPermanganateDeodorizationTechnologyYUANZhi2yu1,LIXue2qiang2,ZHANGHui3(1.DesignandResearchInstitute,WuhanUniversityofTechnology,Wuhan430070,China;2.NorthChinaMunicipalEngineeringDesignandResearchInstitute,Tianjin300074,China;3.SchoolofCivilEngineeringandArchitecture,WuhanUniversityofTechnology,Wuhan430070,China)Abstract:Throughtheanalysisofpotassiumpermanganatedeodorizationmechanism,andtheex2perimentalstudyonthesingleuseofpotassiumpermanganateandcombinationofpotassiumpermanganateandpoweredactivatedcarbon,theinfluenceofpotassiumpermanganatedosage,contacttimeandpHval2ueoneffluentTONwasinvestigated.Theresultsshowthatthedeodorizationeffectisexcellentwhenpo2tassiumpermanganatedosageis1.0mg/L,contacttimeis30minandpHis7.5to8.0.Thedeodoriza2tioneffectofthecombinationofpotassiumpermanganateandpoweredactivatedcarbonisbetterthanthatofthesingleuseofpotassiumpermanganate,andtheexcessivecolorproblembroughtfrompotassiumper2manganatecanbesolved.Keywords:potassiumpermanganate;deodorization;powderedactivatedcarbon,,,,,,1,Mn7+,,(MnO2xH2O)36251520098CHINAWATER&WASTEWATERVol.25No.15Aug.2009,,,,,,,Mn7+pH311.53,[MnO2(s)],[1],pH,pH,,221111Tab.1Qualityofrawwater/NTU31.8200/25.0NH3-N/(mgL-1)2.05NO-2-N/(mgL-1)0.222NO-3-N/(mgL-1)0.77/(mgL-1)4.30DO/(mgL-1)1.67pH6.89/(mgL-1)0.002/(104L-1)23121221211pH22Tab.2Stirringprocedure/min/(rmin-1)1306020.13003220042100536062001L0.5g/L,8m/h70cm,21212,(60m3/h),::7.8m1.7m3.6m,2,1.5h:1.6m1.5m2.5m,2,12min:3.65m1.7m,6,3.10m,19min:2.2m1.4m3.0m,2,0.0027m/s,3.12mm/s,5.34min,9.74m3/(m2h):1.7m1.8m,2,0.61.1mm,800mm,9.8m/h,:;331111Fig.1EffectofpotassiumpermanganatesdosageoneffluentTON1,,,0.5mg/L,462515(OH)2pH,1.0mg/L30min,pH,22pHFig.2EffectofpHoneffluentTON2,pHpH8,,31333Fig.3EffectofcontacttimeoneffluentTON3,01h,;1h,10min30min,77.8%83.3%,10min1030min,030min,,,314/314111.0mg/L,30min,40mg/L,,44/Fig.4Deodorizationeffectofpotassiumpermanganate/poweredactivatedcarbon4,,,,;,,,314121.0mg/L30min,40mg/L,1357min20mg/L,,,33,3min,5min,,56:2515,,,,,;,,,,,,,,3Tab.3Deodorizationeffectofpoweredactivatedcarbonatdifferentflocculationtime/min//NTU/NTU/NTU13572515.82000.890.1525.01.130.1423.51.380.1626.71.430.1526.74,,01h,,010min1030min,1030minpHpH7.58.0,,,,,,,,,:[1]ShalaLalezary.Oxidationoffiveearthy2mustytasteandodorcompounds[J].JAWWA,1986,78(3):62-69.[2],.[J].,2000,26(4):9-11.[3],.[J].,2000,16(11):58-60.:(027)6359516113018063961E-mail:[e-mail]:2009-03-21(62)[2].(4)[M].:,2002.[3],.[J].,2002,26(2):17-21.[4]LaanbroekHJ.Competitionforlimitingamountsofoxy2genbetweenNitrosomonasEuropaeaandNitrobacteriawinogradskyigrowninmixedcontinuouscultures[J].ArchMicrobiol,1993,159(5):453-459.[5],,.[J].,2006,32(1):14-20.[6]KelsoBHL,SmithRV,LaughlinRJ.Effectsofcarbonsubstratesonnitriteaccumulationinfreshwatersediments[J].ApplEnvironMicrobiol,1999,65(1):61-66.[7]EddyM,TchobanoglousG,BurtonFL.WastewaterEngi2neering:Treatment,Disposal,Reuse[M].NewYork:McGrawHill,1991.[8]TamNFY,WongYS,LeungG.Effectofexogenouscar2bonsourcesonremovalofinorganicnutrientbythenitrifi2cation2denitrificationprocess[J].WaterRes,1992,26(9):1229-1236.:13588232032E-mail:[e-mail]:2009-02-15662515