超声波改性沸石去除油田废水COD的实验研究

23320089Vol.23No.3Sep.2008200712112008040206YFSF025001.3004572.300072CODpHCOD1130,minpH7COD53.82TQ424A1672-6510200803-0045-04ZHAORui-hua12SHANGPing1JIMin21.CollegeofMarineScienceandEngineeringTianjinUniversityofScience&TechnologyTianjin300457China2.CollegeofEnvironmentTianjinUniversityTianjin300072ChinaTheremovalofCODfromoilfieldwastewaterwithactivatedcarbonandzeolitemodifiedbyultrasonicwavewasexperimentallyinvestigated.TheeffectsoftheadsorptiontimetheamountthepHofwastewaterontheremovalrateofCODwerestudied.Andtheorthogonalexperimentwasdesignedthroughtheseeffects.TheresultshowsthattheoptimumremovalrateofCODis53.82whenthemassratioofactivatedcarbonandmodifiedzeoliteis11andthetimeofad-sorptionis30minthevalueofpHis7.Themodifiedzeolitehasagoodapplicationprospectintreatmentofoilfieldwaster-waterconsideringofcost.oilfieldwastewatercarbonmodifiedzeoliteCODremovalrateSSCODCOD[1]·46·233COD[2][3][4—6]10.5~1,mm0.154,mm2······-SHA-BFY130pHS-3CKQ22001.3.1COD[7]1.3.2350,mL2,g1,mol/LNaCl30,min1001.3.350,mLCODpH2.1.162,g50,mLpH5.9COD62,g120089,·47·1COD30,min30,minCOD40,min2.1.2COD550,mLpH5.9COD550,mL22CODR2=0.963,2y=5.139ln,x+45.862,g125COD502,gCODR2=0.948,7y=5.019,5ln,x+43.0142.5,g120COD482.5,gCOD2.1.3pHCOD950,mLHClNaOHpH2,gCOD92,g33CODpHpHCODpH13COD45AmmBCpHRCODpHA1B2C2110.5,hpH7COD53.82pH7CODpH7·48·233pHM1M2M3m1m2m3RA1B2C2COD53.82COD167~194,mg/L12CODR2=0.983,2CODR2=0.974,33COD30,min40,min4CODpHCODpH5110.5,hpH753.82COD1.J1998245286—288.2.BOD5CODCrJ2002113323—324.3.J.200727125—29.4CataidWJJhomasJ.SonochemicaldechlorinationofhazardouswastersinaqueoussystemJWasteMan-agement1995154303—309.5PetrierC.UltrasoundandenvironmentsonochemicaldestructionofhloroaromaticderivativesJ.Envionmen-talScience&Technology1998321316—1318.6PetrierCMicolleMMerlinGetal.Characteristicsofpentachlorophenatedeggradtioninaqueoussolutionby-meansofultrasoundJEnvionmentalScience&Technology19922681639—1643.7.GB11914-89S4.2002210—213.