超声波处理石化厂剩余活性污泥

20036ENVIRONMENTALPROTECTIONOFCHEMICALINDUSTRY233,,(,210009)[],,,,COD4200mg/L,94%85%[];;;[]X703.1[]A[]100621878(2003)0320133205,1kgBOD515100L95%[1],,,;,,,50%,[2],,[3],,,,,,,[]2002206217;[]2002210218[](1954),,,,ShiWenzhong1,2,HuaJie1,3,ZhuGuocai1,XuShengming1(1.InstituteofNuclearEnergyTechnology,TsinghuaUniversity,Beijing102201,China;2.DepartmentofChemistry,ZhumadianTeachersCollege,HenanZhumadian463000,China;3.DepartmentofChemistryandChemicalEngineering,YueyangNormalUniversity,HunanYueyang414000,China)Abstract:Treatmentofphenol2containingwastewaterinthepresenceofchloridesbyelectrochemicalpro2cesswasstudiedwiththefocusontheeffectsofdifferentfactorssuchasthekindsandconcentrationsofsalts,wastewaterpH,reactiontemperature,currentdensity,phenolinitialconcentrationandswitchingfrequencyofanodeandcathodeontheremovalofphenol.UndertheconditionsofNa2SO4concentra2tion0.2mol/L,NaClconcentration0.1mol/L,phenolinitialmassconcentration200mg/L,currentdensity0.04A/cm2,temperature35,pH12.5,switchingfrequency5min/timeandreactiontime200min,theremovalsofphenolandCODare99.5%and5%respectively.Phenolisoxidizedtootheror2ganiccompounds.Keywords:electrochemicalprocess;oxidation;phenol;wastewatertreatment转载[4],,,57d[5]0.0210MHz[6],,,,,,,,(5000K)(5.00104kPa),(,400km),,[7],,[8],,,,,,,22.124h,,200mL,(PAM)2.21(,2040kHz,01kW)COD(01300mg/L)(0500)12.3,4g,105,,33.194%90s,,2/W2;431200323中国科技论文在线(85%),;44W44W,,;,44W:,;,,,;,,,3.294%44W,,3/s33,44W,90s,(85%),;90s90s,,:,,,,,90s3.3,,,COD,,COD15.95%220W,COD,4/s4COD4,,COD,,,,,3.4440W3,,5/s520.46%;14.82%;11.58%5,,COD,5313.中国科技论文在线(30)(5)676(220W)1.;2.;3.30min;7(44W)1.;2.90s;3.30min;6,COD,;()COD(),,(COD4200mg/L),(),7,,,,4,200080000t/a,100%,PAM,97%PAM1500016000/t,200mg/L,PAM2426,,40,5,,PAM,10,,25285a),,(94%85%),b),,,,c)(COD4200mg/L);,,,631200323中国科技论文在线),1,.[J].,1999.26(6):25282,,..2(2)[M].:,19863Wu,R.M.,LeeD.J.,WangC.H.etal..NovelCakeCharacteristicsofWaste2activatedSludge[J].Wat.Res.,2001,35:135813624,,.[J].,2000,(3):135DarrellP.Chandler,JeremyBrown,CynthiaJ.Bruckn2er2Leaetal..ContinuousSporeDisruptionUsingRadi2allyFocusedHigh2frequencyUltrasound[J].Anal.Chem.,2001,73:378437896,,.[M].:,20017E.Riera2FrancodeSarabia,J.A.Gallego2Juarez,G.Rodriguez2Corraletal..ApplicationofHigh2powerUl2trasoundtoEnhanceFluid/SolidParticleSeparationProgress[J].Ultrasonics,2000.38:6426468.[J].,2000,20:814TreatmentofResidualActivatedSludgefromPetrochemicalWastewaterTreatmentPlantbyUltrasoundHanPingfang,YinXuan,LuXiaoping(ResearchCenterofSonochemicalEngineering,CollegeofChemicalTechnology,NanjingUniversityofTechnology,JiangsuNanjing210009,China)Abstract:Ultrasoundprocesscanbeusedintreatmentofresidualactivatedsludgefrompetrochemicalwastewatertreatmentplant.Thetreatmentmechanismisintroducedandtheaffectingfactorsarepre2liminarilyexamined.Highpowerultrasoundcandecomposesludgeandreleaseitsorganicmatters.Lowpowerultrasoundcanmodifysludgebulkingcharacteristics,improvesludgesettlinganddewateringproperties,sodecreasesludgewatercontentandsludgevolume.FilterliquorCODofsludgetreatedbyultrasoundandsimplyfiltratedcanreachabout4200mg/Landthewatercontentoftreatedsludgecandecreasefrom94%to85%.Keywords:ultrasound;residualactivatedsludge;decomposition;dewatering:,,2003426,:,,,(20035811)200372326(:;:028-85199212)()7313.中国科技论文在线