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1、RelatedCommercialResourcesCHAPTER45CONTROLOFGASEOUSINDOORAIRCONTAMINANTSTerminology.............................................................................45.1AirCleanerSystemDesign......................................................45.9GaseousContaminants........
2、....................................................45.2Safety......................................................................................45.13ProblemAssessment.................................................................45.4Installation,Start-Up,andCommiss
3、ioning...........................45.14ControlStrategies....................................................................45.5OperationandMaintenance..................................................45.14ControlbyVentilationAirCleaning...................................
4、.....45.5EnvironmentalInfluencesonAirCleaners............................45.14Equipment................................................................................45.7TestingMedia,Equipment,andSystems................................45.15HEONLYreasontoremoveagaseousco
5、ntaminantfromanAdsorption.Attractionofasorbatetothesurface,bothouterTairstreamisthatitwouldotherwisehaveharmfulorannoyingsurfaceandinnerporesurface,ofmediabyphysicalforces(Vandereffectsontheventilatedspaceoritsoccupants.Theseeffectsareno-Waalsforces).ticeableatdifferentc
6、oncentrationlevelsfordifferentcontaminants.Activity.Massofsorbatecontainedinasorbentatsaturation,Therearefourcategoriesofharmfuleffects:Toxicity,odor,irrita-expressedasapercentageorfractionofthecarbonmass(i.e.,gramstion,andmaterialdamage.Inmostcases,contaminantsbecomean-
7、contaminant/gramsadsorbent).Activityisanequilibriumpropertynoyingthroughirritationorodorbeforetheyreachlevelstoxictounderparticularchallengeconditions,andisnotafunctionofair-humans,butthisisnotalwaystrue.Forexample,thepotentiallyflow.(Inmostcases,commercialsorbentbedfilt
8、ersarechangedfordeadlycontaminantcarbonmonoxidehasnoodor.efficiencyreasonswellbeforethesorbentissaturat
