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dc.contributor.author
Aguirre, Alejo
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dc.contributor.author
Chandra, V.
dc.contributor.author
Peters, E.A.J.F.
dc.contributor.author
Kuipers, J.A.M.
dc.contributor.author
Neira d'Angelo, M.F.
dc.date.available
2021-03-10T12:19:36Z
dc.date.issued
2020-03
dc.identifier.citation
Aguirre, Alejo; Chandra, V.; Peters, E.A.J.F.; Kuipers, J.A.M.; Neira d'Angelo, M.F.; Open-cell foams as catalysts support: A systematic analysis of the mass transfer limitations; Elsevier Science SA; Chemical Engineering Journal; 393; 3-2020; 1-11
dc.identifier.issn
1385-8947
dc.identifier.uri
http://hdl.handle.net/11336/127914
dc.description.abstract
In this work, the analysis of the mass transfer phenomena in catalytic open-cell foams is carried out through the combination of computational fluid dynamics (CFD) simulations and experiments, using the CO oxidation on Pt(1%)/γ-Al2O3/foam as a model reaction. The influence of the local hydrodynamic effects on the diffusion-reaction phenomena occurring at the gas-solid interface of the open-cell solid foams are investigated by Direct Numerical Simulations assuming an infinitely fast reaction. A correlation for the Sherwood number as function of Reynolds -for low Re- is proposed. To validate this experimentally, aluminum foams coated with Pt(1%)/γ-Al2O3 are tested at different reaction conditions for the CO oxidation. The obtained reaction rates and apparent activation energy show the presence of external mass transfer limitations. An analysis of the diffusion-reaction phenomena taking place in the wash-coated layer is presented in terms of dimensionless numbers. A practical criterion is developed in terms of the Thiele modulus (ϕw) and the Biot number (Bim) for the identification of the reaction regimes: kinetic control (ϕw2/Bim<0.1), internal and/or external mass transfer limitations (0.110).
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
Elsevier Science SA
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dc.rights
info:eu-repo/semantics/restrictedAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.subject
CO OXIDATION
dc.subject
DIRECT NUMERICAL SIMULATIONS
dc.subject
MASS TRANSFER LIMITATIONS
dc.subject
OPEN-CELL FOAMS
dc.subject.classification
Otras Ingeniería Química
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dc.subject.classification
Ingeniería Química
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dc.subject.classification
INGENIERÍAS Y TECNOLOGÍAS
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dc.title
Open-cell foams as catalysts support: A systematic analysis of the mass transfer limitations
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2020-12-22T15:41:57Z
dc.journal.volume
393
dc.journal.pagination
1-11
dc.journal.pais
Países Bajos
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dc.journal.ciudad
Amsterdam
dc.description.fil
Fil: Aguirre, Alejo. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Santa Fe. Instituto de Desarrollo Tecnológico para la Industria Química. Universidad Nacional del Litoral. Instituto de Desarrollo Tecnológico para la Industria Química; Argentina
dc.description.fil
Fil: Chandra, V.. Eindhoven University Of Technology; Países Bajos
dc.description.fil
Fil: Peters, E.A.J.F.. Eindhoven University Of Technology; Países Bajos
dc.description.fil
Fil: Kuipers, J.A.M.. Eindhoven University Of Technology; Países Bajos
dc.description.fil
Fil: Neira d'Angelo, M.F.. Eindhoven University Of Technology; Países Bajos
dc.journal.title
Chemical Engineering Journal
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dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/https://www.sciencedirect.com/science/article/pii/S1385894720306471
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/https://doi.org/10.1016/j.cej.2020.124656
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