改性焦粉吸附处理亚甲基蓝印染废水研究雒和明

200947780minpH100.8g20mg/LLangmuir(RL)(Ci)RL01TQ536.4;X703A1007-9386(2009)04-0052-03StudyonAdsorptionofMethyleneBluefromDyeingWastewaterbyModifiedCokeLuoHeming1,CaoGuopu2,FengHuixia1,ZhaoXia1,ZhangJiangqiang1,WangJunjun1(1.CollegeofPetrochemicalTechnology,LanzhouUniversityofTechnology,Lanzhou730050,China;2.JuliConstructionCompanyofSecondProductionDepartment,ChangqingPetroleum,Qingyang745100,China)Abstract:Thispaperpreparesanadsorbentoncokeforrawmaterialsthroughsecondammoniumsulfatechemicalmethods,whichismodificationofcoke.Itisusedtotreatmenttechnologyofmethylenebluedyeingwastewater.Cometoapreliminarymodifiedcokeabsorptionofmethylenebluewastewatertreatmentprocessis:oscillationtime80min,pH10,amountofmodifiedcokepowder0.8g,initialconcentrationofmethylenebluewastewaterlessthan20mg/L.FittingtheexperimentaldatasobtainedmodifiedcokeontheabsorptionofmethyleneblueisLangmuirsinglemoleculelayerabsorption.Studiedtherelationshipbetweenbalanceparameters(RL)underdifferenttemperatureandmethyleneblueinitialconcentration(Ci),andRLareinbetween0to1.Theexperimentresultsshowedthatthemodifiedcokeonmethyleneblueadsorptionpropertiesisbetter.Keywords:modifiedcoke;adsorption;methyleneblue;adsorptionmodel;balanceparameters1.16109m3[1][2,3][4]-MnO22[5][6]1.1(2.26%13.5%4.55%0.8%78.89%)THZ-92BAB204-NViS-7220G2XZ-2JSM-6701F1.2q=V(Ci-C)/Wqmg/gVLWgCimg/LCmg/L(0703-09)1.3160180100g30%12h60703504001h2.161180min2.2650mL2380min23pHpH3.265.15pH5.159.04pHpH10.71pHOH-OH-pH2.4680min4(min)10305070901101303.53.33.12.92.7(mg/g)pH246810123.953.853.753.653.55(mg/g)2.3pH6HClNaOHpH3.265.156.929.0410.7111.992580minpH32(g)00.20.40.60.81.01197531(mg/g)4(mg/L)1030507090110108642(mg/g)20094772.5LangmuirFreundlich[7,8]Freundlich(R0.98595)(qe)Langmuir(R0.9963)(qe)Langmuir2.6Langmuir(2)80minpH100.8g20mg/LLangmuirLangmuir(3)(RL)(Ci)RL01[1],,,.[J].,2008,27(3):326-334.[2]PapandreouA,StournarasCJ,PaniasD.Copperandcadmiumadsorptiononpelletsmadefromfiredcoalflyash[J].HazardMater,2007,148(3):538-547.[3]WangXS,QinY.EquilibriumsorptionisothermsforCu2+onricebran[J].ProcessBiochemistry,2005,40:677-680.[4],.[J].,2006,26(12):1971-1976[5],,,.[J].,2006,34(6):733-738.[6],,,.Cr()[J].,2008,(1):81-83.[7],,,.[J].,2005,33(8):1012-1017.[8],.[J].,2007,39(6):867-872.[9]WangXS,QinY,LiZF.Biosorptionofzincfromaqueoussolutionsbyricebrankineticandequilibriumstudies[J].Separa-tionScienceandTechnology,2006,41(4):747-756.[10]JangA,SeoY,BishopPL.Heavymetalsinurbanrunoffbysorptiononmulch[J].EnvironmentalPollution,2005,133(1):117-127.[11]WangXS,QinY.EquilibriumsorptionisothermsforCu2+onricebran[J].ProcessBiochemistry,2005,40:677-680.2009-01-16Langmuir(R0.9951)bqeLangmuir(RL)[10,11]RL=1/(1+bCi)RL0RL1RL1RL=1RL=0bLangmuirCi554RL01(1)()(R)b(L/mg)qe(mg/g)230.99637.96893.9020300.99798.45324.0708400.995120.31164.2151500.999229.58414.4070(mg/L)10305070901100.0070.0060.0050.0040.0030.0020.001023304050