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dc.creatorNikačević, Nikola
dc.creatorPetkovska, Menka
dc.creatorDuduković, Milorad P.
dc.date.accessioned2021-03-10T11:11:00Z
dc.date.available2021-03-10T11:11:00Z
dc.date.issued2009
dc.identifier.issn0009-2509
dc.identifier.urihttp://TechnoRep.tmf.bg.ac.rs/handle/123456789/1516
dc.description.abstractAn experimental investigation of the solids flow pattern in gas-flowing solids-fixed bed contactors is presented. The apparatus and procedures for determining the dynamic and static solids holdups, solids residence time distribution and the extent and rate of the exchange between particles in the static and dynamic solids holdup are described in detail. Experiments were performed in a bench scale system, containing a column (diameter similar to 60 mm) packed with glass beads of 16 mm in diameter packed up to the height of 0.8 m. Tracer experiments with a step input in flowing solids phase were used for determining the residence time distribution and exchange between particles. Fine solids (spheres with mean diameter of 291 pm) of two different colors (all other properties being the same) were used in the tracer experiments to determine the residence time distribution and the exchange between static and dynamic solids holdup. In both types of experiments, the response curves have been obtained via color analysis of digital photos. All experiments have been repeated at different operating conditions, with a broad variation of solids mass flux and gas velocity, and reproducibility at set conditions was checked. The obtained experimental results are discussed and the observed important characteristics of the solids flow pattern are outlined. The effects of the solids flux and gas velocity on the solids flow pattern are presented and analyzed.en
dc.publisherPergamon-Elsevier Science Ltd, Oxford
dc.relationinfo:eu-repo/grantAgreement/MESTD/MPN2006-2010/142014/RS//
dc.rightsrestrictedAccess
dc.sourceChemical Engineering Science
dc.subjectGas-flowing solids-fixed bed contactorsen
dc.subjectMultiphase reactorsen
dc.subjectPacked beden
dc.subjectMultiphase flowen
dc.subjectSolids holdupen
dc.subjectResidence time distributionen
dc.titleSolids flow pattern in gas-flowing solids-fixed bed contactors. Part I Experimentalen
dc.typearticle
dc.rights.licenseARR
dc.citation.epage2509
dc.citation.issue10
dc.citation.other64(10): 2501-2509
dc.citation.rankM21
dc.citation.spage2501
dc.citation.volume64
dc.identifier.doi10.1016/j.ces.2009.02.029
dc.identifier.scopus2-s2.0-64149087202
dc.identifier.wos000266114200023
dc.type.versionpublishedVersion


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