20319995ENVIRONMENTALSCIENCEVol.20,No.3May,1999*黎 钢 张松梅 刘海同(,151400,E-mail:Lgz@dqpi.cnpc.com.cn)(26010445%),,,85%,.,Zeta0mV,20m.,,,.*(:B9506):,34,,:1998-09-28CoagulatingPerformanceofCationicPolyelectrolytewithHighDensityChargetoOilySludgesLiGangZhangSongmeiLiuHaitong(DeptofPetrochemicalEngineering,DaqingPetroleumInstitute,Anda,HeilongjiangProvince151400,ChinaE-mail:Lgz@dqpi.cnpc.com.cn)AbstractHavingbeentreatedbycationicpolyelectrolytewithhighdensitycharge(viscosity-averagemolecularweight260104,cationiccharacter45%),whichwassynthesizedbyusingesterexchangereaction,oilysludgeswereseparatedwithoilwaterandthecakethreephaserespectively,andtherateofoilrecoveryreached85%,andseparatedwaterachievedtherequirementsaboutsewagedrainingofnationalstandard.Itwasfoundthat,themultipleflocculationactionofcationicpolyelectrolytewithhighdensitychargecouldnotonlymaketheZetapotentialofparticlesurfacebeneutralizedto0mV,butalsomakethefinegrains(diameterunder20m)beef-fectivelyflocculatedandsweptaway.Keywordshighdensitycharge,cationicpolyelectrolyte,oilysludge,coagulation.,[13]:.,.,.,,,.,.,.,,,,,,,,,.,.11.12,6%,,0.04%(V/W),,3024h,-;2,,pH5,,7080,,15min,-:CH2CHnCH2CNH2OCHm+mCOCH3OCH2OCHCH2N+CH3CH3CH3Cl-CH2CHnCH2CNH2OCHm+mCH3OHCOOCH2CHOHCH2N+CH3CH3CH3Cl-100,,.[4],CF260104,[5]45%.1.2:1#2#3#.(1),315%(V)36%(V)12%(V).,,,,,,.3,2.CF0.5%,.1/gcm-3/s/mPas/PapH/%/%/%1#1.2529124.07.51575102#1.0543248.56.5365863#1.1237217.08.01277111.3CF0.1%(V),50ml100ml,CF,,12min,10min,LAZERZEE501Zeta(),23.50ml0.5%CF,5ml(62.8g/L),25124h,,8000r/min,100,,Nicolet5SXC()CF.100ml20ml,CF,,(),LS-130Coulter().Coulter:25,60ml/s,.22.1,.,,20010-655010-636010-6CF,5220,.30min,,385%,50%,62%.,[6],2,GB8978-88,2/mgL-1CrPbCuZnpHCOD10.0070.0900.0750.0227.01502.6520.0050.0800.0100.0507.01904.9030.5420.0300.2150.1507.51503.60GB1.51.01.04.06920010.00.2.2CFZe-ta,CF,30mV(1),.,,,.,,,.CF,,,0mV,.1CF,,;,,.2.a.b.CFc.CF22,CF,[7],AlOH43695cm-13620cm-13484cm-13437cm-1,HOH1636cm-1,SiO1088cm-11034cm-1,AlOH913cm-1.,CFSiOAlOH,CF533,.3CF.CF,(d)10.7m,6.0m,20m85.5%.CF,,177.6m,161.8m,20m,1.2%.,CF,,.33(1)CF(26010445%),,85%50%,GB8978-88.(2),CF,Zeta0mV.(3)CF,20m,,.1PaultKetal.Hydrocarboncontaminatedsoilsandgroundwater.LewisPublishers,INC.1991.1872532EdwardJetal.Hydrocarboncontaminatedsoils.LewisPublishers,INC.1991.3014253RonaldSetal.ContaminatedsurfacesoilIn-placetreat-menttechniques.NoyesPublications,1986.1862164GillRISetal.TheFlocculationofKaolinSuspensionswithCationicPolyacrylamidesofVaryingMolarMassbuttheSameCationicCharacter.ColloidsandSurfaces,1986,(22):51765..:,1990.3536.().:,1989.911007,..:,1990.1912025420