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dc.contributor.author
Bidabehere, Claudia María  
dc.contributor.author
García, Juan Rafael  
dc.contributor.author
Sedran, Ulises Anselmo  
dc.date.available
2018-04-17T17:22:43Z  
dc.date.issued
2017-02  
dc.identifier.citation
Bidabehere, Claudia María; García, Juan Rafael; Sedran, Ulises Anselmo; Transient effectiveness factor in porous catalyst particles. Application to kinetic studies with batch reactors; Institution of Chemical Engineers; Chemical Engineering Research & Design; 118; 2-2017; 41-50  
dc.identifier.issn
0263-8762  
dc.identifier.uri
http://hdl.handle.net/11336/42308  
dc.description.abstract
The actual transient characteristics of the effectiveness factor for reactions in porous catalyst particles were considered in a model for kinetic studies in gradientless batch reactors. The transient effectiveness factor depends both on the Thiele modulus and the system’s adsorption capacity, a function of the catalyst mass. After the injection of reactant, the transient effectiveness factor reaches a stable value, which is always larger than the conventional factor based on the assumption of steady state in the concentrations in the particle. The steady state approach on classical pseudo-homogeneous models can be used if the adsorption capacity of the system is low. A new pseudo-homogeneous model, where the accumulation of mass in the particle and the transient effectiveness factor approach are considered, extend this limit to systems with medium or high adsorption capacity. The usual interpretation of the Weisz–Prater parameter was reformulated based on this approach, showing that kinetic constants can be determined precisely if the transient effectiveness factor is employed, thus avoiding the errors induced by the accumulation of mass in the catalyst particles. Proper experimental conditions for kinetic studies were suggested.  
dc.format
application/pdf  
dc.language.iso
eng  
dc.publisher
Institution of Chemical Engineers  
dc.rights
info:eu-repo/semantics/openAccess  
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/  
dc.subject
Transient Effectiveness Factor  
dc.subject
Diffusion-Adsorption-Reaction  
dc.subject
Porous Catalysts  
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Reactor Dynamics  
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Weisz–Prater Criterion  
dc.subject.classification
Otras Ingeniería Química  
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Ingeniería Química  
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INGENIERÍAS Y TECNOLOGÍAS  
dc.title
Transient effectiveness factor in porous catalyst particles. Application to kinetic studies with batch reactors  
dc.type
info:eu-repo/semantics/article  
dc.type
info:ar-repo/semantics/artículo  
dc.type
info:eu-repo/semantics/publishedVersion  
dc.date.updated
2018-04-13T14:23:38Z  
dc.journal.volume
118  
dc.journal.pagination
41-50  
dc.journal.pais
Reino Unido  
dc.description.fil
Fil: Bidabehere, Claudia María. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Mar del Plata. Instituto de Investigaciones en Ciencia y Tecnología de Materiales. Universidad Nacional de Mar del Plata. Facultad de Ingeniería. Instituto de Investigaciones en Ciencia y Tecnología de Materiales; Argentina  
dc.description.fil
Fil: García, Juan Rafael. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Santa Fe. Instituto de Investigaciones en Catálisis y Petroquímica ; Argentina  
dc.description.fil
Fil: Sedran, Ulises Anselmo. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Santa Fe. Instituto de Investigaciones en Catálisis y Petroquímica ; Argentina  
dc.journal.title
Chemical Engineering Research & Design  
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/https://doi.org/10.1016/j.cherd.2016.11.029  
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/https://www.sciencedirect.com/science/article/pii/S0263876216304622