【英文标准名称】:Characterisationofwaste.Leaching.Compliancetestforleachingofgranularwastematerialsandsludges.Onestagebatchtestataliquidtosolidratioof2l/kgformaterialswithhighsolidcontentandwithparticlesizebelow4mm(withoutorwithsi
【原文标准名称】:废弃物的特性.浸析.颗粒废弃物和污泥浸析的符合性试验.高固体含量和粒径小于4mm的材料在液体,固体比为2l/kg时的一级分批试验(有或无尺寸减小)
【标准号】:BSEN12457-1-2002
【标准状态】:现行
【国别】:英国
【发布日期】:2002-10-15
【实施或试行日期】:2002-10-15
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:分析;分批试验;特性记述;化学分析和测试;声明;定义(术语);沉积物;污泥检验;提取行为;粒状;无机材料;浸滤;粒状材料;水源保护;污泥;溶解度;溶质;测试;倾倒(废弃物);废料坑;废弃物;水污染;水溶解度;水质测试;水污染物质
【英文主题词】:Analysis;Batchtests;Characterisations;Chemicalanalysisandtesting;Declarations;Definitions;Deposit;Examinationofsludge;Extractingbehaviour;Granular;Inorganicmaterials;Lixiviation;Particulatematerials;Protectionofwaterresources;Sludge;Solubility;Solutes;Testing;Tipping(waste);Wastedumps;Wastes;Waterpollution;Watersolubility;Watertesting;Water-pollutingsubstances
【摘要】:ThispartoffourEuropeanStandardsspecifiesacompliancetestprovidinginformationonleachingofgranularwastesandsludgesundertheexperimentalconditionsspecifiedhereafter,andparticularlyaliquidtosolidratioof2l/kgdrymatter.Itappliestowastewhichhasaparticlesizebelow4mmwithoutorwithsizereduction(asspecifiedin4.3.2)ThisEuropeanStandardhasbeendevelopedtoinvestigatemainlyinorganicconstituentsfromwastes.Itdoesnottakeintoaccounttheparticularcharacteristicsofnon-polarorganicconstituentsnortheconsequencesofmicrobiologicalprocessesinorganicdegradablewastes.ThetestprocedurespecifiedinthisEuropeanStandardproducesaneluatewhichshallsubsequentlybecharacterisedphysicallyandchemicallyaccordingtoappropriatestandardmethods.Thisprocedureisonlyapplicabletowastematerialandsludgeshavingahighsolidcontent:thedrymattercontentratioshallbeatleasthigherthan33%.Inaddition,thenecessaryquantityofeluateshallbeobtainedtoperformthephysicalandchemicalcharacterisationoftheeluate.Furthermore,theminimumdrymattercontentratioshallbehighenoughtoallowasufficientmixingoftheleachantandthetestportion.NOTE1Thisprocedurecannotbeapplicabletomaterialswithawatercontentorsuchawateraffinitythatagoodmixingofthesolidwiththepredeterminedquantityofliquidisnotachievable.NOTE2Thisprocedurecannotbeapplicabletomaterialsreactingwiththeleachant,leading,forexample,toexcessivegasemission,asolidifyingeffectoranexcessiveheatrelease.NOTE3Bycrushingthematerial,newsurfacesareexposedwhichmayleadtoachangeinleachingproperties.NOTE4Inrelationwiththeminimumdrymattercontentratiorequiredforobtainingenougheluate,thetestportionspecifiedinthisEuropeanStandardof175gramdrymatterresultsinamaximumvolumeofeluateof175mlifitsdrymattercontentratiois50%.Whenthispart1isnotapplicable,theleachingtestatL/S=10specifiedinpart2canbeperformed.Thistestcannotbeusedalonetodeterminetheleachingbehaviourofawaste,asspecifiedinENV12920.ThisEuropeanStandarddoesnotaddressissuesrelatedtohealthandsafety.
【中国标准分类号】:Z13
【国际标准分类号】:13_030_10;13_030_20
【页数】:30P;A4
【正文语种】:英语