电凝聚法处理造纸黑液的研究

兰紫荆王中琪邓莉娟(621010),,,,,3.2mA/cm2,NaCl1.4g,pH=6,12mm,35min,CODSS60%73.59%71.56%ResearchesontheTreatmentofPulpandPapermakingbyElectro-coagulationLANZi-jingWANGZhong-qiDENGLi-juan(SouthwestUniversityofScienceandTechnologyMianyang,Sichuan621010)AbstractElectro-coagulationisawastewatertreatmenttechnologybasedonelectrochemicalprinciplesanditworksunderthepower,usingsolvablemetalaselectrode.Thisprocesscaneffectivelyremovemanykindsofpollutantswithfunctionsofcoagulation,adsorption,flotation,oxidationandreduction,andsoon.Inthispaperthisprocessisusedtotreatpulpandpapermakingwastewaterandtheoptimalreactioncon-ditionsarefound.TheresultsshowthattheremovalrateofCOD,SSandturbiditycanreach60%,73.59%and71.56%respectivelywithconditionsasfollows,currentdensity3.2mA/cm2,thedosageofNaCl1.4g,pH=6,electrodeseparation12mmandreactiontime35min.Keywordselectro-coagulationpulpandpapermakingwastewaterwastewatertreatment,90%,1t8-10t[1],,,,,,,,,,,,,,,,,,,11.1120mm@115mm@100mm,,1mm,100mm,100mm90mm,,,,1h,CODSS,COD;SS;LP2000-111.2NaClpH1.2.1pH8.0,12mm,30min,NaCl0.4g,11,CODSS,4.0mA/cm2,,,SS,COD;,3.2mA/cm2,,Al3+,Al3+,,,3.2mA/cm21.2.2NaClpH8.0,12mm,#1#2008346June2008IndustrialSafetyandEnvironmentalProtection30min,3.2mA/cm2,NaCl22NaCl,CODSSNaClNaCl1.4g,COD,,,SS86.00%;NaCl1.4g,COD,NaCl,,;,,;,,,,Al3+,2,10%,NaClNaCl,,,,NaCl1.4g1.2.3pH12mm,30min,3.2mA/cm2,NaCl1.4g,pH33pH,pH=6,COD,,;pH6,CODpH;pH6,CODpHpH5pH10,CODAl3+pH5.5-8,pHAln(OH)m,,,CODSSpH,pH=8,81.04%,pH,pH,pH61.2.4pH8.0,30min,3.2mA/cm2,NaCl1.4g,,12mm,CODSS;12mm,CODSS;12mm,CODSS,:,,,,,12mm1.2.5pH8.0,3.2mA/cm2,12mm,NaCl1.4g,44,SS;COD,;,,,,;,,COD,,CODSS,,,35min1.3,pH6.0,12mm,3.2mA/cm2,35min,1h,NaCl1.4g:COD60%,SS73.59%,71.56%2(1),,(2),,,(3),,,,,[1],,..:,2005.12-16.兰紫荆,女,1983年生,四川内江人,西南科技大学05级环境工程专业在读硕士研究生,研究方向为水污染控制(:2007-12-18)#2#