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1、Carbon.Vol.32.No.4.DD.577-586.1994PergamonCo&right0‘1994Ei&vierSdenciLtdPrintedinGreatBritain.AllrightsreservedOOOS-6223/94$6.00+.CKl0008-6223(93)EOO41-IACTIVATEDCARBONFIBER:FUNDAMENTALSANDAPPLICATIONSMOTOYUKISUZUKIInstituteofIndustrialScience,UniversityofTokyo,7-22-lRoppongi,Minato-ku,Tokyo106,Jap
2、an(Received5November1993;nccepted2December1993)Abstract-Fibrousadsorbentshavetheadvantagesoffastadsorptionrateandeaseofhandli~whencomparedwithgranularadsorbentsandpowderedadsorbents.Thestateoftheartinactivatedcarbonfiber(ACF)developmentinJapaneseindustryandemergingapplicationsarereviewed.Fundamenta
3、lworksrelatedtoACFsarebrieflyintroduced.FordesigningACFbedsforadsorptioninbothgasphaseandaqueousphase,axialdispersioninthebedbecomesanimportantfactorindeterminingbreakthroughbehaviorofthebed.Amethodfordeterminingtheaxialdispersioncoefficientinfiberbedsbasedonbedpropertiesisintroduced.KeyWords-Activ
4、atedcarbonfiber,adsorption,activation,manufacturing,trichloroethylene,axialdispersion,fiberbed.1.INTRODUCTION2.PRODUCTIONOFACFsActivatedcarbonswidelyusedforpurificationandCarbonfibers(CFs)havebeenonthemarketseparationinmanyfieldsarecommoninpelletized,sincethebeginningofthe1960sandarenowpro-granular
5、,powdered,ormoldedform.Recentdevel-ducedtosatisfytheworldwidemarketof6000tonsopmentofactivatedcarbonsinfiberformisincreas-peryearespeciallyintheareasofaeronauticalandingapplicationsofactivatedcarbonsinvariousspacematerialstechnologies.CFsareexpectedtoareasduetoitsuniquecharacteristics.beintheincrea
6、singdemandforcompositematerialsActivatedcarbonfibers(ACFs)haveuniqueinautomobile,housing,sport,andleisureindustriescharacteristicscomparedwithgranularorpowderaswellasairplaneandspaceapplications.CFre-activatedcarbons.Thin-fibershapeclearlyassuresquireshighstrengthandhighelasticity.Thehigh-fastintra
7、particleadsorptionkineticscomparedwithstrengthtypeisproducedfrompolyacrylonitrilepelletizedorgranularactivatedcarbonscommonly(PAN)andthehighelasticitytypeismanufacturedemployedingasphaseandaqueousphaseadsor
