【英文标准名称】:StandardTestMethodforParticleSizeDistributionofGranularActivatedCarbon
【原文标准名称】:颗粒活性炭粒度分布的标准试验方法
【标准号】:ASTMD2862-2010
【标准状态】:现行
【国别】:
【发布日期】:2010
【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】:颗粒活性炭;粒度分布;活性炭-颗粒
【英文主题词】:granularactivatedcarbon;particlesizedistribution;Activatedcarbon--granular;Particlesizedistribution
【摘要】:Itisnecessarytoknowthedistributionofparticlesizesofgranularactivatedcarboninordertoprovidepropercontactofgasesorliquidinapackedbedofthematerial.Changesinparticlesizedistributioncanaffectthepressuredropacrossthebedandtherateofadsorptioninabedofagivensize.Meanparticlediameterisapropertyofactivatedcarbonsthatinfluencespressuredrop.Effectivesizeanduniformitycoefficientaretwopropertiesofactivatedcarbonsoftenofinterestinmunicipalwatertreatmentapplicationswherecontrolofparticlesizeisofinterest.1.1Thistestmethodcoversthedeterminationoftheparticlesizedistributionofgranularactivatedcarbon.Forthepurposesofthistest,granularactivatedcarbonisdefinedasaminimumof90%ofthesampleweightbeingretainedona180-x03BC;mStandardsieve.AU.S.mesh80sieveisequivalenttoa180x2013;x03BC;mStandardsieve.Note18212;Forextrudedcarbons,asthelength/diameterratiooftheparticlesincreases,thevalidityofthetestresultsmightbeaffected.1.2Thedataobtainedmayalsobeusedtocalculatemeanparticlediameter(MPD),effectivesize,anduniformitycoefficient.1.3Thevaluesstatedininch-poundunitsaretoberegardedasstandard.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunitsthatareprovidedforinformationonlyandarenotconsideredstandard.1.3.1Exception8212;AllmassmeasurementsareinSIunitsonly.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:A42
【国际标准分类号】:19_120
【页数】:6P.;A4
【正文语种】: