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1、INTERNATIONALJOURNALOFCHEMICALREACTORENGINEERINGVolume72009ReviewR2Trickle-BedLaboratoryReactorsforKineticStudiesGaetanMaryJamalChaoukiyFrancisLuckzEcolePolytechniquedeMontreal,gaetan.mary@polymtl.cayEcolePolytechniquedeMontreal,jamal.chaouki@polymtl.ca
2、zTotalS.A.,francis.luck@total.comISSN1542-6580Broughttoyouby
3、WenzhouUniversityAuthenticated
4、218.75.16.101DownloadDate
5、9/22/123:01PMTrickle-BedLaboratoryReactorsforKineticStudiesGaetanMary,JamalChaouki,andFrancisLuckAbstractInthispaper,differentphenomenaaf
6、fectinglaboratorytrickle-bedreactorsarecarefullyreviewed.Beforefocusingonlaboratoryscale,somegeneralconsider-ationsabouttrickle-bedreactorsarediscussed:regimes,industrialuses,etc.Themainfactorsalaboratorytricklebedreactorsarepresentedanddetailed.Thegreate
7、stsixfactorsinclude:homogeneityofthecatalystbed,catalystwetting,axialdispersion,channeling,isothermicityandmasstransfer.Thesefactorsarereviewedanddifferentcriteria,suggestedintheliterature,aregiveninordertominimizetheinfluenceofthesesixfactors;foreachcrite
8、rion,asimpleapplica-tionispresented.Finally,theapplicationofallthecriteriagiveninthepaperisbasedonahypotheticalexample(hydrodesulfurization).KEYWORDS:trickle-bedreactors,laboratoryscale,plugflowreactors,catalystwetting,axialdispersion,masstransfer,isotherm
9、icity,channeling,homogeneity,bedofcatalystBroughttoyouby
10、WenzhouUniversityAuthenticated
11、218.75.16.101DownloadDate
12、9/22/123:01PMMaryetal.:Trickle-BedLaboratoryReactorsforKineticStudies11.IntroductionSlurryandtrickle-bedreactorsarethetwomaintypesofthree-pha
13、sereactors.Theyareusedinindustrialunitsforconductingsolid-catalyzedreactions.Inslurryreactors,thecatalystissuspendedinafluid.Itsvolumerepresentingabout1to20%ofthetotalvolumeofthereactoranditsdiameterisaround0.1millimeters.Trickle-bedreactorsarepackedbedre
14、actors.Wherethecatalystoccupiesabout50%ofthetotalvolume,theparticlediameterisaround1centimeterindiameterandthetwofluids(gasandliquid)areflowinginsideandwettingthebed(TrambouzeandEuzen,2002;Harriot,2003).Commonflowco