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时间:2019-07-11
《Sulphur-tolerant catalysts in small-scale hydrogen production, a review》由会员上传分享,免费在线阅读,更多相关内容在学术论文-天天文库。
1、internationaljournalofhydrogenenergy37(2012)3978e3992Availableonlineatwww.sciencedirect.comjournalhomepage:www.elsevier.com/locate/heReviewSulphur-tolerantcatalystsinsmall-scalehydrogenproduction,areviewChristianHulteberg*DepartmentofChemicalEngineering,FacultyofEngineering,LundUniversity,P
2、.O.Box124,22100Lund,SwedenarticleinfoabstractArticlehistory:Theroleofsulphurintheproductionofhydrogeninthesmall-scaleforfuelcellapplica-Received15August2011tionsisanimportanttopicinthedesignofsuchsystemsandthisreviewoftheliteratureReceivedinrevisedformstate-of-the-arthasbeenperformedtoshedl
3、ightonsomeofthepossibletrade-offsthat27November2011willhavetobedoneindesigningthesesystems.Thereview-papersummarisestheliter-Accepted1December2011aturewithrespecttosulphur-ladencatalysisinsmall-scalereforming,includingtheAvailableonline24December2011reformingreactions(steamreforming,partial
4、oxidationandauto-thermalreforming),thewater-gasshiftandthecatalysis-basedCOclean-upmethods(methanationandCOpref-Keywords:erentialoxidation).Byusingsulphur-tolerantcatalysts,thedesignerofthesetypesofSulphursystemshaveahigherdegree-of-freedomdesign-wiseandmayhaveabetterpositioninSteamreformin
5、gfindingoptimumoperatingpointsforthesystems.PartialoxidationTheconclusionsdrawnfromtheliteraturereviewedinturnleadstobelievethatitmayAutothermalreformingbepossibletouseasulphur-ladenfuel,atleastinthereformingstepandintheWGSWater-gasshiftreactionstep.Therealsoseemtobeareasonablepossibilitytoo
6、perateasystemonMethanationasulphur-containingliquidhydrocarbon,assumingthatissueswithgasificationandpre-Preferentialoxidationreformingissorted,withthecatalystsdescribedforthefirstreactionstep.Itishoweverbelievedthatitisadvisabletoremoveanysulphurbeforeperformingalow-temperaturecatalyticgas-po
7、lishingreactionstep.Copyrightª2011,HydrogenEnergyPublications,LLC.PublishedbyElsevierLtd.Allrightsreserved.1.Introductionbasis.Hydrogenisoneofthemostimportantbase-chemicalsandismainlyusedintheproductionofammonia-basedThedevelopmentofcatalystsandprocesses
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