西安交通大学学报

3911200511JOURNALOFXI'ANJIAOTONGUNIVERSITYVol.39№11Nov.2005,,,(,710049,):CO2(VOCs).:,CO2,;CO2,CO2;,VOCsVOCs,;VOCs;CO2,VOCs,3,,.:;;;:TU834.8:A:0253!987X(2005)11!1268!05AdsorptionofAirPollutantsonNon-WovenFabricwithActivatedCarbonLiuYanhua,YuanQi,LiYintang,ZhangShuixiang(SchoolofEnergyandPowerEngineering,Xi'anJiaotongUniversity,Xi'an710049,China)Abstract:TheadsorptionbehaviorofCO2andvolatileorganiccompounds(VOCs)onanon-wovenfabricloadedwithactivatedcarbonwasinvestigated.TheexperimentalresultsshowthatlowerairvelocityishelpfultotheadsorptionofCO2.TheeffectoftemperatureonCO2adsorptionissmall,butlowerrelativehumidityisbeneficialtotheadsorptionofCO2.TheadsorptionefficiencyofVOCsonthenon-wovenfabricisindependentoftheconcentrationofVOCsatwindwardsidewhileitisdependentonthetypeofpollutantsources.AndlowerairvelocityishelpfultotheadsorptionofVOCs.Increasingthenumberofadsorptionlayerscanresultinanincreaseintheabsorptionefficiencyofthenon-wovenfabricforbothCO2andVOCswhileitalsoincreasestheresistanceofthecleaningsystem.Theabsorptionefficiencydoesnotincreasean-ymorewhenthenumberofthelayersisover3inthestudy.Thenthesuitablethicknessofadsorptionlayerisofsignificanceforhighabsorptionefficiencyandlowenergycost.Keywords:nonYwovenfabric;activatedcarbon;adsorption;pollutant,80%90%,,CO2.[1!3]、,、、,、、、、,CO2,5[3].、、[4,5],,CO2、.,,(volatileorganiccompounds,VOCs)[6].,[7].:2005!02!28.:(1963),,,.:(2004B21);.,,,、[8].,,.CO2VOCs,,.11.11,.,、.,1.、CO2、、testo350M/XL!454,.、(TVOCs)PGM!30TVOCs.1w(C)/%/mm/g·m-2/501452001:;2:;3:;4:;5:;6:CO2;7:;8:;9:;10:;11:12:;13:;14:;15:;16:1CO21.2、,η=#==0==0-=t=0(1):=0(ml/m3);=t(ml/m3).1.3VOCs,,,VOCs.2.,VOCs,VOCs..CO21.,CO2,.212F01!1322.1CO22.1.12.:22℃;50%;3;CO20.2%;0.1、0.30.5m/s.2CO22,CO2,,CO2,0.CO2,,CO2,0.1m/s,CO250%,,CO2962111,:,0.5m/s,CO220%.,,,.CO2,.2.1.2CO23.:50%;3;CO20.2%;0.1m/s;18、2226℃.,CO2.18、2226℃,CO250.00%、49.95%48.87%,,53、5049min,.3CO2,,.,,.,1826℃,CO2..,,《》1628℃,,,.,.2.1.34.:22℃;3;CO20.2%;0.1m/s;5%.,CO24CO2,30%,CO258%,70min.,,CO2.70%,CO232%,34min.CO2,,.,,.,.,,,.2.2VOCs5VOCs,:20℃;45%;3;0.1m/s.(),1%.VOCs.:VOCs,1(VOCs,66%,3(VOCs,52%.,VOCs(),VOCs.5,VOCs.VOCsVOCs.6VOCs,2(,20℃,45%,3,0.1、0.30.5m/s..,VOCs0721395VOCs6VOCs.:%,VOCs;&,0.10.3m/s,VOCs,60%61%,0.5m/s,VOCs,50%.,VOCs.2.32.3.1CO2CO27.:22℃;50%;CO20.2%;0.1m/s.,,,.1、3、5,36%、50%、59%,29、50、58min.,,,,(3),,.,.,3,.2.3.2VOCs8、VOCsVOCs.2(,20℃,45%,0.1m/s,1、35.:,VOCs.1,VOCs48%,5,VOCs62%.,3,VOCs.8,35,62%.,3VOCs,.3,.,,,.,3//PaCO2VOCs11.2251.16033.8513.53155.8145.9797CO28VOCs172111,:.,.3(1),CO2,CO2,CO2.(2),VOCsVOCs,.VOCs.(3),CO2VOCs,,.,35.:[1]LeeShunCheng,GuoHai,LiWaiMing.Inter-com-parisonofairpollutantconcentrationsindifferentin-doorenvironmentsinHongKong[J].AtmosphericEnvironment,2002,36(12):1929!1940.[2]ChowWK.Ventilationofenclosedtraincompart-mentsinHongKong[J].AppliedEnergy,2002,71(3):161!170.[3]LeeSC,ChangM.Indoorandoutdoorairqualityin-vestigationatschoolsinHongKong[J].Chemo-sphere,2000,41(1):109!113.[4],.[J].,2001,1(4):21!27.[5],,.CO2[J].,2002,25(8):21!24.[6],.(VOC)[J].,2003(3):1!4.[7]ParkSJ,KimKD.AdsorptionbehaviorsofCO2andNH3onchemicallysurface-treatedactivatedcarbons[J].JournalofColloidandInterfaceScience,1999,212(1):186!189.[8]MannsbartG,ChristopherBR.Long-termperform-anceofnonwovengeotextilefiltersinfivecoastalandbankprotectionprojects[J].GeotextilesandGeomem-branes,1997(15):207!221.()《》200511.,(1)……………………………………………2.Job-Shop,,,(22)…………………………3.,,(30)……………………4.Petri,(38)…………………………………………………5.,(45)……………………………………………6.MEMS,(48)………………………………………………………7.,(62)……………………………………………………8.,,(66)…………………………………………………9.,(70)…………………………………《》200521.,,,(127)……………………………………2.STL,,(131)…………………………………………3.,,,(135)………………………………4.,,(139)……………………………………………………5.,,(146)…………………………………6.,,(151)…………………………7.Taylor,,,(155)……………………………8.UGCAPP,,(165)………………………………………9.!,(182)……………………………………………272139