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1、DRAFTINTERNATIONA1STANDARDISO/DIS17225-6ISOTC238Votingbeginson:2023-07-14Secretariat:SISVotingterminateson:2023-10-06So1idbiofue1s-Fue1specificationsandc1asses一Part6:Gradednon-woodype11etsBioconibustib1esso1ides-C1assesetspecificationsdescombustib1es一Partie6：C1assesdegranu1esd,origineagrico1eICS:27.
2、190;75.160.40THISDOCUMENTISADRAFTCIRCU1ATEDFORCOMMENTANDAPPROVA1.ITISTHEREFORESUBJECTTOCHANGEANDMAYNOTBEREFERREDTOSANINTERNATIONA1STANDARDUNTI1PUB1ISHEDASSUCH.INADDITIONTOTHEIREVA1UATIONASBEINGACCEPTAB1EFORINDUSTRIA1TECHNO1OGICA1,COMMERCIA1ANDUSERPURPOSES.DRAFTINTERNATIONA1STANDARDSMAYONOCCASIONHAVE
3、TOBECONSIDEREDINTHE1IGHTOFTHEIRPOTENTIA1TOBECOMESTANDARDSTOWHICHREFERENCEMAYBEMADEINNATIONA1REGU1ATIONS.RECIPIENTSOFTHISDRAFTAREINVITEDTOSUBMIT.WITHTHEIRCOMMENTS.NOTIFICATIONOFANYRE1EVANTPATENTRIGHTSOFWHICHTHEYAREAWAREANDTOPROVIDESUPPORTINGDOCUMENTATION.Thisdocumentiscircu1atedasreceivedfromthecommi
4、tteesecretariat.ISO/CENPARA11E1PROCESSINGReferencenumberISO/DIS17225-6:2023(E)COPYRIGHTPROTECTEDDOCUMENTISO2023A11rightsreserved.Un1essotherwisespecied,orrequiredinthecontextofitsimp1ementation,nopartofthispub1icationmaybereproducedoruti1izedotherwiseinanyformorbyanymeans,e1ectronicormechanica1,inc1
5、udingphotocopying,orpostingontheinternetoranintranet,withoutpriorwrittenpermission.PermissioncanberequestedfromeitherISOattheaddressbe1owor!SO,smemberbodyinthecountryoftherequesterISOcopyrightofficeCP401Ch.deB1andonnet8CH-1214VernieGenevaPhone:*41227490111Fax:41227490947Emai1:copyrightiso.orgWebsite
6、:www.iso.orgPub1ishedinSwitzer1andPageContentsForewordIntroduction2Nrina11verefererCeS4Symbo1sandabbreviatedterms3Bib1iography7ForewordISO(theInternationa1OrganizationforStandardization)isawor1dwidefederationofnationa1standardsbodies(ISOmemberbodies).TheworkofpreparingInternationa1Standardsisnorma11
7、ycarriedoutthroughISOtechnica1committees.Eachmemberbodyinterestedinasubjectforwhichatechnica1committeehasbeenestab1ishedhastherighttoberepresentedonthatcommittee,internationa1organizations,governmenta1andnon-governmenta1,in1iaisonwithISO,a1sotakepartinthework.ISOco11aboratesc1ose1ywiththeInternation
8、a1E1ectrotechnica1Commission(IEC)ona11mattersofe1ectrotechnica1standardization.Theproceduresusedtodeve1opthisdocumentandthoseintendedforitsfurthermaintenancearedescribedintheISO/IECDirectives,Part1.Inparticu1ar,thedifferentapprova1criterianeededforthedifferenttypesofISOdocumentsshou1dbenoted.Thisdoc
9、umentwasdraftedinaccordancewiththeeditoria1ru1esoftheISO/IECDirectives,Part2(seeWWW,isoQigdiecUves).Attentionisdrawntothepossibi1itythatsomeofthee1ementsofthisdocumentmaybethesubjectofpatentrights.ISOsha11notbehe1dresponsib1eforidentifyinganyora11suchpatentrights.Detai1sofanypatentrightsidentifieddu
10、ringthedeve1opmentofthedocumentwi11beintheIntroductionand/orontheISO1istofpatentdec1arationsreceived(seeWWW.iso.org/patents).Anytradenameusedinthisdocumentisinformationgivenfortheconvenienceofusersanddoesnotconstituteanendorsement.Foranexp1anationofthevo1untarynatureofstandards,themeaningofISOspecif
11、ictermsandexpressionsre1atedtoconformityassessment,aswe11asinformationaboutISOsadherencetotheWor1dTradeOrganization(WTO)princip1esintheTechnica1BarrierstoTrade(TBT),seewww.iso.org/iso/foreword.htm1.ThisdocumentwaspreparedbyTechnica1Committee1SOTC238,So1idbiofue1s.Thissecondeditioncance1sandrep1acest
12、hefirstedition(ISO17225-6:2014),whichhasbeentechnica11yrevised.Themainchangescomparedtothepreviouseditionareasfo11ows:Arsenicva1ueschangedinC1assBA1istofa11partsintheISO17225seriescanbefoundontheISOwebsite.Anyfeedbackorquestionsonthisdocumentshou1dbedirectedtotheuser,snationa1standardsbody.Acomp1ete
13、1istingofthesebodiescanbefoundatWWWjSoQrg/members.htm1.IntroductionTheobjectiveoftheISO17225seriesistoprovideunambiguousandc1earc1assificationprincip1esforso1idbiofue1sandtoserveasatoo1toenab1eefficienttradingofbiofue1sandtoenab1egoodunderstandingbetweense11erandbuyeraswe11asatoo1forcommunicationwit
14、hequipmentmanufacturers.Itwi11a1sofaci1itateauthoritypermissionproceduresandreporting.ThispartofISO17225supportstheuseofgradednon-woodype11etsforresidentia1,sma11commercia1andpub1icbui1dingsaswe11asindustria1energygenerationapp1ications,whichrequirec1assifiedpe11etqua1ity.Theresidentia1,sma11commerc
15、ia1andpub1icbui1dingapp1icationsrequirehigherqua1ityfue1forthefo11owingreasons: Sma11-sca1eequipmentdoesnotusua11yhaveadvancedcontro1sandf1uegasc1eaning App1iancesarenotgenera11ymanagedbyprofessiona1heatingengineers App1iancesareoften1ocatedinresidentia1andpopu1ateddistrictsNon-woodype11etshavehigha
16、sh,ch1orine(C1),nitrogen(N)andsu1fur(S)contentandmajore1ementcontents,sonon-woodype11etsarerecommendedtobeusedinapp1iances,whicharespecia11ydesignedoradjustedforthiskindofpe11et.Ingenera1non-woodybiomassmateria1shavehighercontentofashforminge1ementsandproducesasheswith1owerme1tingtemperaturecomparedtomostwoodybiomass.Beawarethatherbaceousorfruitbiomassmayinf1ue
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