活性炭纤维脱除燃煤烟气中汞的试验研究

34720067()J.HuazhongUniv.ofSci.&Tech.(NatureScienceEdition)Vol.34No.7July2006:2005208229.:(19352),,;,(430074).E2mail:[e-mail]:(50376017).Standardtestmethodformercuryfromcoal2firedstationarysources(OntarioHydroMethod),1999,EPA,USA.(,430074):.Ontario2Hydro,.,,;,,Hg0.:;;;:TK16:A:167124512(2006)0720001204ExperimentalresearchofremovingmercuryfromfluegasbyactivatedcarbonfibersZengHancaiWangXinLiSongliuXuLusiAbstract:Removalofmercuryinthefluegasfrompulverizedfiredcoalbyactivatedcarbonfiberswascarriedoutonaone2dimensionalcombustiontestfacility.MercurystateswereinvestigatedusingOn2tario2Hydromethodandthemercuryinthefluegaswasexperimentallyadsorbedbythreetypesofac2tivatedcarbonfibers.Experimentalresultsindicatethatelementmercurywasthemainstateinfluegas,andgasstatemercurywasadsorbedbyremainedcarboninflyash;activatedcarbonfibersshoweddecentefficiencyonmercuryadsorption,onwhichsurfaceoxygenandnitrogenfunctionalgroupsandmoistureshowedpositiveeffectsonmercuryadsorptionespeciallyforelementmercury.Keywords:coallcombustion;fluegas;removingmercury;activatedcarbonfibersZengHancaiProf.;StateKeyLab.CoalCombustion,HuazhongUniv.ofSci.&Tech.,Wuhan430074,China.(500),900,99%[1]..(ACF)BET,,,,,23,.EPAOntario2Hydro,,.11.1,(ACF1)©1994-2007ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(ACF2)(ACF3).ACF25%,8%,.1.2X(XPS).XPS,XPSC,12.1ACFACF1ACF2ACF3/(m2/g)1303.11030.91618.8/(cm3/g)0.8730.9310.787/nm1.691.831.42WC/%80.771.886.2WO/%13.918.012.4WN/%5.410.21.4WO/WC0.1720.2510.144WN/WC0.0670.1420.0162ACFC1sC-CC-OC=OCOOH/eV284.5286.0287.5289.0ACF148.5238.352.2610.87/%ACF256.6627.445.5910.31ACF374.611.489.33.321,ACF2ACF1,,,,,,O/CN/C,,,.2ACFC-O,C=O,COOH[2];ACF1ACF2C-OACF3,ACF3C=O.22.1,1.,,,6kW,.,.,,12kg/h,1100.,,0.18m3/h,,.,2g,1h;.2.2,EPAOntario2Hydro,2.,2Ontario2Hydro,120,0.24m3/h,1h.,,,8,.1#3#100mLKClHg2+;4#100mLHNO3(5%)+H2O2(10%);5#7#100mLKMnO4(4%)+H2SO4(10%),Hg0;8#200300g.1#8#.2.3(GB/T1665921996),HNO32H2SO42V2O52()34©1994-2007ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(010.0g/L,0.1g/L).33.1,;.:0.3628gg-1,0.1857gg-1,0.0619gg-1.,,,;,,.,,,[3].3.2:9.182g/m3,31.107%,68.893%;23.2125g/m3;32.3927g/m3.,Hg0,,HgCl2,HgO,HgSO4HgS;,Hg2+[4].7,.,,71.66%;,9.1802g/m3.,(1100),,.,.,,68.893%,.3.33.3.1,,.,,,,,.3,7065%90%.33.3.23,(70),ACF3,ACF2ACF1.,Hg0.[5],Hg0;C=O,.(C=N)[6],Hg0,C=O.1,ACF3,;C=O,.ACF2NC=O,ACF1.3.3.3,.3,ACF250,70120,,ACF2,ON;,,.3.3.437:©1994-2007ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.[7],Hg0,,,,.[1],,,.[J].,1998,26(2):12214.[2],.[J].,2000,23(4):26229.[3]DunhamGE,DeWallRA,SeniorCL.Fixed2bedstudiesoftheinteractionsbetweenmercuryandcoalcombustionflyash[J].FuelProcessingTechnology,2003,82:1972213.[4]GalbreathKC,ZygarlickeCJ.Mercurytransforma2tionincoalcombustionfluegas[J].FuelProcessingTechnology,2000,65266:2892310.[5]LiYH,LeeCW,GullettBK.Importanceofactiva2tedcarbonsoxygensurfacefunctionalgroupsonele2mentalmercuryadsorption[J].Fuel,2003,82(4):4512457.[6]Raymundo2PineroE,Cazorla2AmorosD,Linares2So2lanoA,etal.StructuralcharacterizationofN2contai2ningactivatedcarbonfiberspreparedfromalowsof2teningpointpetroleumpitchandamelamineresin[J].Carbon,2002,40(4):5972608.[7]LiYH,LeeCW,GullettBK.Theeffectofactiva2tedcarbonsurfacemoistureonlowtemperaturemer2curyadsorption[J].Carbon,2002,40(1):65272.2006625,,7.,.,,.,,...4()34©1994-2007ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.