粉末活性炭吸附去除水源水中硝基苯的优选试验

:2006-10-11:/0(2006BA618A):(1976-),,,.:1671-2021(2007)01-0134-04赵志伟1,崔福义1,张震宇1,高晗2,何由1(1.,150090;2.,,110011):针对受硝基苯污染的松花江水,研究了5种不同的粉末活性炭去除硝基苯的性能,确定出最优的活性炭种类.通过研究粉末活性炭的基本性能对硝基苯的动态吸附容量吸附速度进行活性炭的筛选.试验结果表明:从活性炭吸附性能指标比较看,其中3#炭的比表面积最大,碘值和亚甲蓝值也最大,同时水分和灰分的含量也较低;从不同超标倍数下的活性炭吸附等温线比较来看吸附容量最大;对硝基苯的吸附速度也是最快的.从3#炭和2#炭在生产上的对比试验来看,两种炭都能有效去除硝基苯,但3#炭的应用效果明显高于2#炭.3#炭为应对松花江硝基苯污染的最优炭种,2#炭的吸附性能和应用效果也较好,作为备用炭种.:;;;:TU99112:A,(PowderedActivatedCarbon,PAC),[1].,[2],,NO-2,,[3].,[4-5].5,,,,.1PAC[6],(NOM)(SOC)PAC,PACSOCNOM[7].,.100mg/L,,.:(1),50mL,50mL;(2)5g(Na2SO4)1mL,3min,5min;(3)6890,HP-5,30m@0132mm@0125Lm,ECD,200701231()JournalofShenyangJianzhuUniversity(NaturalScience)Jan.2007Vol123,No11280e,240e.2,,1,5,PAC.211,.QuantachromeNOVA1000BET.,,;,.,.,.51.,3#,5.15PACQ()/(mg#g-1)Q()/(mg#g-1)/(m2#g-1)([74Lm)/%/%/%1#900112770?2089.21092#900112793?209042.63#935160874?209110.312.14#900150822?209540105#870115686?2090511212200mlPAC,25e,120r/min,48h,0.45LmPAC,.,PAC.PAC,01095mg/L1(a)01289mg/L1(b).5PAC.Freundli1TPACch(1)[8]:q=k1C1ni(1):k11/n;q,(mg/L);Ci,(Lg/L).(1)lgq=lgk1+1nlgCi(2):lgq=K+1nlgCi(3)K=lgk1.(3),K,.1/n.,l/n011~015,1/n2.K1/n,.PACK1/n2.2PACK1/nK1/nK1/n1#0.190.470.280.492#0.150.310.280.383#0.200.320.540.494#-0.510.970.300.335#-0.180.530.210.362,01095mg/L,1#2#3#1/n011~015,323:135.3#,K0120,2#1#.(01289mg/L),51/n011~015,,5.,3#,K0154,4#1#2#,K5#,0121.,3#;1#2#,3#;4#,;5#.PAC.5PAC,3#K1/n,[9],3#,.213PAC200mL,25e,150r/min,.,0145LmPAC,.,PAC,5PAC.,5PAC23.2,01068mg/L,5PAC10min,30min,.,3#10min,,,.2#,1#5#.3,01272mg/L,5PAC2,10min,,30minPAC.,3#,1#,5#.23.0PAC5PAC,3#,.214,3#,,,3#2#,:(PAC),,1119km;,,,;,(500mm)+(500mm),(1700mm)+(400mm).4.31510PAC4,3#2#,,3#2#95%,01017mg/L.3#2#,2#50%,70%,3#,3#,2#,.136()2343#2#3(1)5,3#,.(2),3#,,,;,3#.(3)3#2#,,3#2#,3#,2#,.:[1]ChenG,DussertBW,SuffetIH.Evaluationofgranularactivatedcarbonsforremovalofmethylisoborneoltobelowodorthresholdconcentrationindrinkingwater[J].WaterResearch,1997,31(5):1155-1163.[2]HsuLY,TengH.Influenceofdifferencechemicalreagentsonthepreparationofactivatedcarbonsfrombituminouscoalfuel[J].Proc.Tech.,2000,64(2):155-171.[3]LiL,QuinlivanPA.Effectsofactivatedcarbonsurfacechemistryandporestructureontheadsorptionofor-ganiccontaminantsfromaqueoussolution[J].Carbon,2002,40(12):2085-2100.[4]()[J].,2006,32(6):13-17.[5].[J].,2006,32(7):7-9.[6]DuanJinming,WilsonFrancis.Adsorptionofhumicacidbypowderedactivatedcarboninsalinewatercon-ditions[J].Desalination,2002,151(1):53~66.[7]YoshihikoMatsui,YoshitakaFukuda.Effectofnaturalorganicmatteronpowderedactivatedcarbonadsorp-tionoftracecontaminants:characteristicsandmecha-nismofcompetitiveadsorption[J].WaterResearch,2003,37(18):4413-4424.[8],.-[M].,.:,2002.[9],,.[J].,1999,19(1):17-22.TheOptimizationExperimentalInvestigationofPACAgainsttheSourceofSonghuaRiverPollutedbyNitrobenzeneZHAOZhiwei1,CUIFuyi1,ZHANGZhenyu1GAOHan2HeDi1(1.SchoolofMunicipalandEnvironmentalEngineering,HarbinInstituteofTechnology,Harbin150090,China;2.LiaoNingUrbanWaterConservationandSewageTreatmentServiceCenter,shenyang110011,China)Abstract:AimedatSonghuaRiverpollutedbynitrobenzene,fivedifferentkindsofpowderactivatedcarbonhavebeenstudiedintheperformanceofremovingnitrobenzene,toidentifythebesttypeofactivatedcar-bon.Thechoiceofthebesttypeofpowderactivatedcarbonwasmadebystudyingitsbasiccharacteristic,theadsorptioncapacityandtheadsorptionratetonitrobenzene.Testresultsshowed:comparedwithadsorp-tionperformancesofdifferentkindsofactivatedcarbonindicators,3#carbon.sspecificsurfaceareawasthelargestofall,andiodinevalueandmethylenebluenumberwerealsothehighest,adsorptionratetonitroben-zenewasthefastestofall,andtheadsorptioncapacitywasthelargesttonitrobenzene.Contrasttestsfor3#and2#carbonintheproductionshowedthatthetwokindsofcarboncouldeffectivelyremovenitroben-zene,but3#carbonapplicationresultswerenoticeablybetterthan2#carbon,therefore3#carbonwasdeterminedtobetheoptimalcarbonspeciesremovingSonghuaRiver.snitrobenzenepollutionultimately,and2#carboncanbeasparecarbonspecieswithitsgoodadsorptionperformanceandapplicationresults.KeyWords:waterpollution;powderedactivatedcarbon(PAC);nitrobenzene;selectivepreference.23:137