Designation:D3466−06(Reapproved2011)StandardTestMethodforIgnitionTemperatureofGranularActivatedCarbon1ThisstandardisissuedunderthefixeddesignationD3466;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thistestmethodcoversthedeterminationofreferenceignitiontemperatureofgranularactivatedcarboninflowingair.Thistestmethodprovidesabasisforcomparingtheignitioncharacteristicsofdifferentcarbons,orthechangeinignitioncharacteristicsofthesamecarbonafteraperiodofservice.1.2Theignitiontemperatureasdeterminedbythistestmethodcannotbeinterpretedastheprobableignitiontempera-tureofthesamecarbonundertheoperatingconditionsofaspecificapplicationunlessthoseconditionsareessentiallythesameasthoseinthistestmethod.2Ifitisdesiredtodeterminetheignitiontemperatureofthecarbonunderaspecificsetofoperatingconditions,thetestmaybemodifiedtosimulatesuchconditions,takingintoconsiderationthefollowingvariables:(1)airflowrate;(2)moisturecontentofthecarbon;(3)beddepth;(4)relativehumidityoftheairstream;(5)heatingrate;(6)contaminants(forexample,hydrocarbons,etc.)intheairstream;and(7)contaminantsthatmayhavebeenadsorbedbythecarbonunderpriorserviceconditions.1.3ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.Specificprecau-tionarystatementsaregiveninSection7.2.ReferencedDocuments2.1ASTMStandards:3D2652TerminologyRelatingtoActivatedCarbonD2854TestMethodforApparentDensityofActivatedCarbonD3195PracticeforRotameterCalibrationE11SpecificationforWovenWireTestSieveClothandTestSievesE220TestMethodforCalibrationo...
