ASTM D3466-2006 颗粒活性炭燃点的试验方法

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【英文标准名称】:StandardTestMethodforIgnitionTemperatureofGranularActivatedCarbon
【原文标准名称】:颗粒活性炭燃点的试验方法
【标准号】:ASTMD3466-2006
【标准状态】:现行
【国别】:
【发布日期】:2006
【实施或试行日期】:
【发布单位】:美国材料与试验协会(US-ASTM)
【起草单位】:D28.04
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:活性碳;碳;点火;点燃温度;温度;试验
【英文主题词】:activatedcarbon
【摘要】:Activatedcarbonsusedingas-phaseadsorptionmaybesubjectedtoheating,eitherfromheatappliedexternallytothecarbonbed,orheatgeneratedbyradioactive4contaminants,orbytheadsorptionprocessitself.Iftheapplicationofheatissudden,orifnoamplemeanstoconducttheheatfromthecarbonbedexists,thecarbonbedmayignite.Thistestmethodprovidesacontrolledlaboratorytesttodeterminethetemperaturesatwhichsuchignitionoccurs.Asstatedin1.2,thisdoesnotnecessarilygivethetemperatureatwhichignitionwilloccurunderaspecificbedoperatingcondition.Thistestmethoddoes,however,allowsomerankingofcarbonswithregardtoignitiontemperature,andisausefulquality-controlmethodforunusedcarbons.1.1Thistestmethodcoversthedeterminationofreferenceignitiontemperatureofgranularactivatedcarboninflowingair.Thistestmethodprovidesabasisforcomparingtheignitioncharacteristicsofdifferentcarbons,orthechangeinignitioncharacteristicsofthesamecarbonafteraperiodofservice.1.2Theignitiontemperatureasdeterminedbythistestmethodcannotbeinterpretedastheprobableignitiontemperatureofthesamecarbonundertheoperatingconditionsofaspecificapplicationunlessthoseconditionsareessentiallythesameasthoseinthistestmethod.Ifitisdesiredtodeterminetheignitiontemperatureofthecarbonunderaspecificsetofoperatingconditions,thetestmaybemodifiedtosimulatesuchconditions,takingintoconsiderationthefollowingvariables:(1)airflowrate;(2)moisturecontentofthecarbon;(3)beddepth;(4)relativehumidityoftheairstream;(5)heatingrate;(6)contaminants(forexample,hydrocarbons,etc.)intheairstream;and(7)contaminantsthatmayhavebeenadsorbedbythecarbonunderpriorserviceconditions.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.SpecificprecautionarystatementsaregiveninSection.
【中国标准分类号】:G60
【国际标准分类号】:71_040_30
【页数】:4P.;A4
【正文语种】: