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    BS EN 12457-3-2002 Characterisation of waste Leaching Compliance test for leaching of granular waste materials and sludges Two stage batch test at a liquid to solid ratio of 2 l kge.pdf

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    BS EN 12457-3-2002 Characterisation of waste Leaching Compliance test for leaching of granular waste materials and sludges Two stage batch test at a liquid to solid ratio of 2 l kge.pdf

    1、BRITISH STANDARD BS EN 12457-3:2002 Characterisation of waste Leaching Compliance test for leaching of granular waste materials and sludges Part 3: Two stage batch test at a liquid to solid ratio of 2 l/kg and 8 l/kg for materials with a high solid content and with a particle size below 4 mm (withou

    2、t or with size reduction) The European Standard EN 12457-3:2002 has the status of a British Standard ICS 13.030.10; 13.030.20 BS EN 12457-3:2002 This British Standard, having been prepared under the direction of the Building and Civil Engineering Sector Policy and Strategy Committee, was published u

    3、nder the authority of the Standards Policy and Strategy Committee on 15 October 2002 BSI 15 October 2002 ISBN 0 580 40581 8 National foreword This British Standard is the official English language version of EN 12457-3:2002. The UK participation in its preparation was entrusted by Technical Committe

    4、e B/508, Waste management, to Subcommittee B/508/3, Characterisation of waste, which has the responsibility to: A list of organizations represented on this subcommittee can be obtained on request to its secretary. Cross-references The British Standards which implement international or European publi

    5、cations referred to in this document may be found in the BSI Catalogue under the section entitled “International Standards Correspondence Index”, or by using the “Search” facility of the BSI Electronic Catalogue or of British Standards Online. This publication does not purport to include all the nec

    6、essary provisions of a contract. Users are responsible for its correct application. Compliance with a British Standard does not of itself confer immunity from legal obligations. aid enquirers to understand the text; present to the responsible international/European committee any enquiries on the int

    7、erpretation, or proposals for change, and keep the UK interests informed; monitor related international and European developments and promulgate them in the UK. Summary of pages This document comprises a front cover, an inside front cover, the EN title page, pages 2 to 30, an inside back cover and a

    8、 back cover. The BSI copyright date displayed in this document indicates when the document was last issued. Amendments issued since publication Amd. No. Date CommentsEUROPEANSTANDARD NORMEEUROPENNE EUROPISCHENORM EN124573 September2002 ICS13.030.10;13.030.20 Englishversion CharacterisationofwasteLea

    9、chingCompliancetestfor leachingofgranularwastematerialsandsludgesPart3:Two stagebatchtestataliquidtosolidratioof2l/kgand8l/kgfor materialswithhighsolidcontentandwithparticlesizebelow4 mm(withoutorwithsizereduction) CaractrisationdesdchetsLixiviationEssaide conformitpourlixiviationdesdchetsfragmentse

    10、tdes bouesPartie3:Essaienbchedoubleavecunrapport liquidesolidede2l/kgetde8l/kgpourdesmatriaux forteteneurensolidesetunegranulatitinfrieure4mm (sansouavecrductiondelagranularit) CharakterisierungvonAbfllenAuslaugung bereinstimmungsuntersuchungfrdieAuslaugungvon krnigenAbfllenundSchlmmenTeil3:Zweistuf

    11、iges SchttelverfahrenmiteinemFlssigkeits /Feststoffverhltnisvon2l/kgund8l/kgfrMaterialenmit hohemFeststoffgehaltundmiteinerKorngreunter4mm (ohneodermitKorngrereduzierung) ThisEuropeanStandardwasapprovedbyCENon17August2002. CENmembersareboundtocomplywiththeCEN/CENELECInternalRegulationswhichstipulate

    12、theconditionsforgivingthisEurope an Standardthestatusofanationalstandardwithoutanyalteration.Uptodatelistsandbibliographicalreferencesconcernings uchnational standardsmaybeobtainedonapplicationtotheManagementCentreortoanyCENmember. ThisEuropeanStandardexistsinthreeofficialversions(English,French,Ger

    13、man).Aversioninanyotherlanguagemadebytra nslation undertheresponsibilityofaCENmemberintoitsownlanguageandnotifiedtotheManagementCentrehasthesamestatusasthe official versions. CENmembersarethenationalstandardsbodiesofAustria,Belgium,CzechRepublic,Denmark,Finland,France,Germany,Greece, Iceland,Ireland

    14、,Italy,Luxembourg,Malta,Netherlands,Norway,Portugal,Spain,Sweden,SwitzerlandandUnitedKingdom. EUROPEANCOMMITTEEFORSTANDARDIZATION COMITEUROPENDENORMALISATION EUROPISCHESKOMITEEFRNORMUNG ManagementCentre:ruedeStassart,36B1050Brussels 2002CEN Allrightsofexploitationinanyformandbyanymeansreserved world

    15、wideforCENnationalMembers. Ref.No.EN124573:2002EEN124573:2002(E) 2 Contents Foreword4 Introduction .5 1 Scope 6 2 Normativereferences 6 3 Termsanddefinitions. .7 3.1 leachingtest . 7 3.2 leachant.7 3.3 eluate.7 3.4 singlebatchleachingtest .7 3.5 serialbatchleachingtest 7 3.6 liquidtosolidratioL/S (a

    16、bbreviation:L/S) .7 3.7 liquidwaste .7 3.8 sludge7 3.9 monolithicwaste 7 3.10 granularwaste. .7 3.11 drymattercontentratio (abbreviation:DR) .7 3.12 moisturecontentratio (abbreviationMC) .8 3.13 laboratorysample 8 3.14 testsample .8 3.15 testportion . 8 4 Compliancetest . 8 4.1 Principle8 4.2 Equipm

    17、entandreagents .8 4.3 Samplingstrategyandsamplepreparation 9 5 Procedure .11 5.1 Testingconditions .11 5.2 Descriptionoftheprocedure 11 5.3 Furtherpreparationoftheeluatesforanalysis . .13 5.4 Blanktestfortheverificationoftheleachingprocedure . .13 6 Calculation13 6.1 Expressionoftheresults. .13 6.2

    18、FirststepbatchatL/S=2 . 14 6.3 SecondstepbatchatL/S=8 14 7 Documentationandtestreport. 14 7.1 Samplepreparation .14 7.2 Productionofeluate 15 7.3 Analyticaldetermination .15 7.4 Calculationsandblanktestinformation . 16 8 Performancecharacteristics. 16 8.1 Objectiveofthevalidation . .16 8.2 Validatio

    19、nstudy .16 8.3 Validationresults .17 8.4 Summaryoftheperformancecharacteristicsevaluation . 20 AnnexA (informative) Informationontheinfluenceonthetestresultsoftheparametersthataffect leaching.22 AnnexB (informative) Testfordeterminingwhetherwasteisintheliquidstate.24 AnnexC (informative) Exampleofda

    20、tasheetforEN124573 .25 AnnexD (informative) ProcessmapforEN12457326 AnnexE (informative) Exampleofaspecificliquidsolidseparationprocedureforsoilsample.28EN124573:2002(E) 3 AnnexZA (Informative) NationaldeviationAfromFrance 29 Bibliography 30EN124573:2002(E) 4 Foreword Thisdocument(EN124573:2002)hasb

    21、eenpreparedbyTechnicalCommitteeCEN/TC292,“Characterisationof waste“,thesecretariatofwhichisheldbyNEN. ThisEuropeanStandardshallbegiventhestatusofanationalstandard,eitherbypublicationofanidenticaltextor byendorsement,atthelatestbyJune2003,andconflictingnationalstandardsshallbewithdrawnatthelatestby J

    22、une2003. ThisdocumenthasbeenpreparedunderamandategiventoCENbytheEuropeanCommissionandtheEuropean FreeTradeAssociation,andsupportsessentialrequirementsofEUDirective(s). ForrelationshipwithEUDirective(s),seeinformativeannexZA,whichisanintegralpartofthisdocument. AccordingtotheCEN/CENELECInternalRegula

    23、tions,thenationalstandardsorganizationsofthefollowing countriesareboundtoimplementthisEuropeanStandard:Austria,Belgium,CzechRepublic,Denmark,Finland, France,Germany,Greece,Iceland,Ireland,Italy,Luxembourg,Malta,Netherlands,Norway,Portugal,Spain, Sweden,SwitzerlandandtheUnitedKingdom. Thisdocumenthas

    24、beendevelopedprimarilytosupporttherequirementsforcompliancetestingwithintheEUand EFTAcountries. Thisdocumentwaselaboratedonthebasisof: DIN38414S4:1984 AFNORX31210:1992 NEN7343:1992 NORMS2072:1990 NoexistingEuropeanStandardissupersededbythepublicationofthisEuropeanStandard. AnnexesA,B,C,D,EandZAarein

    25、formative. ThisdocumentincludesaBibliography.EN124573:2002(E) 5 Introduction InthedifferentEuropeancountries,testshavebeendevelopedtocharacteriseandassesstheconstituentswhich canbeleachedfromwastematerials.Thereleaseofsolubleconstituentsuponcontactwithwaterisregardedasa mainmechanismofreleasewhichre

    26、sultsinapotentialrisktotheenvironmentduringthereuseordisposalof wastematerials.Theintentofthesetestsistoidentifytheleachingpropertiesofwastematerials.Thecomplexityof theleachingprocessmakessimplificationsnecessary. Notalloftherelevantaspectsofleachingbehaviourcanbeaddressedinonestandard.Teststochara

    27、cterise wastematerialsandtheirbehaviourcangenerallybedividedintothreecategories: (1) “BasicCharacterisation“testsareusedtoobtaininformationontheshortandlongtermleaching behaviourandcharacteristicspropertiesofwastematerials.Liquid/solid(L/S)ratios,leachantcomposition, factorscontrollingleachabilitysu

    28、chaspH,redoxpotential,complexingcapacityandphysicalparametersare addressedinthesetests; (2) “Compliance“testsareusedtodeterminewhetherthewastecomplieswithspecificreferencevalues.The testsfocusonkeyvariablesandleachingbehaviouridentifiedbybasiccharacterisationtests; (3) “Onsiteverification“testsareus

    29、edasarapidchecktoconfirmthatthewasteisthesameasthatwhich hasbeensubjectedtothecompliancetest(s). TheproceduresdescribedinthisEuropeanStandardfallincategory2:compliancetests. ThefourproceduresdescribedinthefourfollowingEuropeanStandardsarebasedondifferentliquidtosolid(L/S) ratiosanddifferentparticles

    30、izesbecausetheseparameters,amongothers,playanimportantroleintheleaching process: EN124571, Onestagebatchtestataliquidtosolidratioof2l/kgformaterialswithhighsolidcontentandwith particlesizebelow4mm(withoutorwithsizereduction). EN124572, Onestagebatchtestataliquidtosolidratioof10l/kgformaterialswithpa

    31、rticlesizebelow4mm (withoutorwithsizereduction). EN124573, Twostagebatchtestataliquidtosolidratioof2l/kgand8l/kgformaterialswithhighsolidcontent andwithparticlesizebelow4mm(withoutorwithsizereduction). EN124574, Onestagebatchtestataliquidtosolidratioof10l/kgformaterialswithparticlesizebelow10mm (wit

    32、houtorwithsizereduction). Eachpartspecifiesadistinctprocedure.Thespecificfeaturesofeachpartaredescribedinthescopeandprinciple ofeachpart.Forgivenwastestheresultscanbedifferentforthedifferentprocedures.Therearesixannexesto thisEuropeanStandardgivingusefulinformationontheselectionoftheappropriateproce

    33、dure,reference documentsandguidanceonthelimitationsoftheseprocedures. Thechoiceoftheproceduredependsonthedegreeandtypeofinformationrequiredforcompliancetesting.This choicehastobemadebytheorganisationestablishingthecompliancerequirements. ThisEuropeanStandardspecifiesacompliancetest.Forbasiccharacter

    34、isation,amethodologyforthe determinationoftheleachingbehaviourofwastehasbeendevelopedwithinTC292andformulatedinENV12920.EN124573:2002(E) 6 1Scope ThispartoffourEuropeanStandardsspecifiesacompliancetestprovidinginformationonleachingofgranular wastesandsludgesundertheexperimentalconditionsspecifiedher

    35、eafter,andparticularlyaliquidtosolidratio of2l/kgdrymatterinafirststepandsubsequentlyof8l/kgdrymatterinasecondstep.Itappliestowastewhich hasaparticlesizebelow4mmwithoutorwithsizereduction(asspecifiedin4.3.2) ThisEuropeanStandardhasbeendevelopedtoinvestigatemainlyinorganicconstituentsfromwastes.Itdoe

    36、snot takeintoaccounttheparticularcharacteristicsofnonpolarorganicconstituentsnortheconsequencesof microbiologicalprocessesinorganicdegradablewastes. ThetestprocedurespecifiedinthisEuropeanStandardproduceseluateswhichshallsubsequentlybe characterisedphysicallyandchemicallyaccordingtoappropriatestanda

    37、rdmethods. Thisprocedureisonlyapplicabletowastematerialandsludgeshavingahighsolidcontent:thedrymattercontent ratioshallbeatleasthigherthan33%.Inaddition,thenecessaryquantityofeluateineachstepshallbeobtained toperformthephysicalandchemicalcharacterisationoftheeluate.Furthermore,theminimumdrymattercon

    38、tent ratioshallbehighenoughtoallowasufficientmixingoftheleachantandthetestportion. NOTE1 Thisprocedurecannotbeapplicabletomaterialswithawatercontentorsuchawateraffinitythatagoodmixingof thesolidwiththepredeterminedquantityofliquidisnotachievable. NOTE2 Thisprocedurecannotbeapplicabletomaterialsreact

    39、ingwiththeleachant,leading,forexample,toexcessivegas emission,asolidifyingeffectoranexcessiveheatrelease. NOTE3 Bycrushingthematerial,newsurfacesareexposedwhichmayleadtoachangeinleachingproperties. NOTE4 Inrelationwiththeminimumdrymattercontentratiorequiredforobtainingenougheluateinthefirststep,thet

    40、est portionspecifiedinthisEuropeanStandardof175gramdrymatterresultsinamaximumvolumeofeluateof175mlifitsdry mattercontentratiois50%. Whenthefirststepofthispart3isnotapplicable,theleachingtestatL/S=10specifiedinpart2canbe performed. Thistestcannotbeusedalonetodeterminetheleachingbehaviourofawaste,assp

    41、ecifiedinENV12920. ThisEuropeanStandarddoesnotaddressissuesrelatedtohealthandsafety. 2 Normativereferences ThisEuropeanStandardincorporatesbydatedorundatedreference,provisionsfromotherpublications.These normativereferencesarecitedattheappropriateplacesinthetext,andthepublicationsarelistedhereafter.F

    42、or datedreferences,subsequentamendmentstoorrevisionsofanyofthesepublicationsapplytothisEuropean Standardonlywhenincorporatedinitbyamendmentorrevision.Forundatedreferencesthelatesteditionofthe publicationreferredtoapplies(includingamendments). ENV12506, CharacterizationofwasteAnalysisofeluatesDetermi

    43、nationofpH,As,Cd,CrVl,Cu,Ni,Pb,Zn,Cl, NO 2 ,SO 4 2 . ENV13370, CharacterizationofwasteAnalysisofeluatesDeterminationofAmmoniumN,AOX,conductivity, Hg,phenolindex,TOC,CN easilyliberatable,F . EN12880, CharacterisationofsludgesDeterminationofdryresidueandwatercontent. ENISO3696, WaterforanalyticallaboratoryuseSpecificationandtestmethods(ISO3696:1987) . ENISO56673, WaterQualitySamplingPart3:Guidanceonthepreservationandhandlingofsamples(ISO 56673:1994). ISO57255:1998, Accuracy(truenessandprecision)ofmeasurementmethodsandresults


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