高浓度乳化液废水处理工艺及机制

36620046JOURNALOFHARBININSTITUTEOFTECHNOLOGYVol136No16June,20041,2(1.,150090,E2mail:[e-mail];2.,518057):,COD32424mg/L,3500NTU.,,90%;,COD,,PACPAM,pH.:COD21400mg/L8418mg/L,BOD5/COD0145,.:;;:X703:A:0367-6234(2004)06-0756-03Techniquesandprinciplesofhigh2strengthoil2in2emulsionsbypolyelectrolytesTIANYu,FANLi2na(1.SchoolofMunicipalandEnvironmentalEngineering,HarbinInstituteofTechnology,Harbin150090,China,E2mail:[e-mail];2.ShenzhenGraduateSchool,HarbinInstituteofTechnology,Shenzhen518057,China)Abstract:Basedinthepracticeinwastewatertreatingengineering,tecnicsandprinciplesinthebreakingofCODof32424mg/Landturbidityof3500NTUemulsionsarestudied.Bydevelopingsuiteddemulsifiedreagentcom2pounding2form,efficientdemulsificationusingcoagulationisfinishedandturbidityremovalcouldbetreatedabove90%.AccordingtoCODofhighvalueafterdemulsification,theratioofPAM,PACandtherightpHandchurninguptimeforcoagulationareconfirmed.ThestudyshowsthattheCODremovalcouldbetreatedfrom21400mg/Lto8418mg/L,BOD5/CODwasincreasedto0145,whichprovidedensuranceforlaterbiologictreating.Keywords:emulsions;demulsify;turbidity:2003-12-18.:(2003-193).:(1968-),,,.,,,[14].,,,COD,,PAC,PAMpH,.1111,,COD32424mg/L,pH1196,3500NTU,121012m.112.113:2100NTurbidimeter;JB-3转载中国科技论文在线;pHS-3CpH;JH-12COD.::2100NTurbidimeter,;pH:pHS-3CpH;COD:.221121111,Al2(SO4)3CaCl2FeCl3PAMPAC,1.:pH,+PAM30%60%,+PAM60%95%.1(24)/%CaCl2+PAC0CaCl2+PAM0Al2(SO4)3+PAC0Al2(SO4)3+PAM0FeCl3+PAC0FeCl3+PAM+OH-60+PAC0+PAM90,+PAM,,,3:1);2);3).21112,,10mL/LPAM,1.1:,40g/L;30%50%,.:40g/L,,PAMpH.21113PAM40g/LPAM,2.:PAM,10mL/L.1COD2PAM:PAM,,,;PAM10mL/L,,,,,.40g/L,PAM10mL/L.21114pH40g/L,pH2111015,PAM10mL/L,pH3.:pH;pH56,,pH=519,98104%;pH,,pH.3pH212212117576,:中国科技论文在线:pH=7,PAC12mL/L,PAM3mL/L,COD,,COD12200mg/LpH=7;PAM,pH,PAC.5PAC10mL/L1PAM3mL/L,:PAC13mL/L,PAM3mL/L,;COD3112%,4318%COD;,pH.212.22100NTurbidimeter,2.2,,:,,;,,,,.2%d25md10md10m25md100md100m/m49152441785170012101226104111281616646102440186822132211123173511844081028,.31)+PAM,40g/LPAM10mL/L,98%,COD34%.2),3:;;.3)PACPAM123,PACPAM133,,20min,10min,COD21400mg/L8418mg/L,,BOD5/COD0145,.4)P,,COD,.:[1].[J].,2001,19(3):12-13.[2]PINOTTIA,ZARITZKYN.Effectofaluminumsulfateandcationicpolyelectrolytesonthedestabilizationofemulsifiedwastes[J].WasteManagement,2001,21:535-542.[3]RIOSG,PAZOSC,COCA.Destabilizationofcuttingoilemulsionsusinginorganicsaltsascoagulants[J].Physico2chemicalandEngineeringAspects,1998,138:383-389.[4]CHENCM,LUCH,CHANGCH,etal.InfluenceofpHonthestabilityofoil-in-wateremulsionsstabilizedbyasplittablesurfactant[J].PhysicochemicalandEngineeringAspects,2000,170:173-179.()85736中国科技论文在线