dc.creator | Arcenegui Troya, Juan | es |
dc.creator | Sánchez Jiménez, Pedro Enrique | es |
dc.creator | del Rocío Rodríguez Laguna, María | es |
dc.creator | Perejón Pazo, Antonio | es |
dc.creator | Pérez Maqueda, Luis A. | es |
dc.date.accessioned | 2024-05-28T07:40:03Z | |
dc.date.available | 2024-05-28T07:40:03Z | |
dc.date.issued | 2024-01-30 | |
dc.identifier.citation | Arcenegui Troya, J., Sánchez Jiménez, P.E., del Rocío Rodríguez Laguna, M., Perejón Pazo, A. y Pérez Maqueda, L.A. (2024). A generalized interface reaction kinetic model for describing heterogeneous processes driven by contracting mechanisms. Journal of thermal analysis and calorimetry, 149 (6), 2653-2663. https://doi.org/10.1007/s10973-023-12835-5. | |
dc.identifier.issn | 1588-2926 | es |
dc.identifier.issn | 1388-6150 | es |
dc.identifier.uri | https://hdl.handle.net/11441/159089 | |
dc.description.abstract | The correct determination of the kinetic model and the kinetic parameters that describe a heterogeneous process is key to
accurately predicting its progress within a wide range of conditions, which is one of the main purposes of kinetic analysis.
Albeit ideal kinetic models continue to be used to gain insight about the process mechanism, they are constrained by certain
assumptions that are rarely met in real experiments and limit their applicability. This is the case of contracting (or interface)
kinetic models, which are one of the most commonly used. Thus, the ideal kinetic model R2 is derived by assuming
a cylindrical contraction in the radial direction but not contemplating the possibility of a contraction in the direction of the
axis of the cylinder. Moreover, in the case of the ideal model R3, it is assumed that contraction takes place simultaneously
in particles of identical dimensions in all three directions of space (spheres or cubes). Here, it is revisited this type of model,
and it is considered the contraction of particles with different geometries, namely cylinders with different aspect ratios and
rectangular cuboids. Besides, a novel generalized interface reaction model is proposed, which covers all the studied cases and
broadens the range of applicability to more complex situations involving different geometries and inhomogeneous particle
sizes. Finally, the proposed model is applied to the analysis of the experimental thermal dissociation of ammonium nitrate,
previously described in the literature as a sublimation process. It is proved that the novel kinetic model provides a more
accurate description of the kinetics of the reaction and better prediction capabilities. | es |
dc.description.sponsorship | Ministerio de Ciencia e Innovación TED2021-131839B-C22, PDC2021-121552-C21 | es |
dc.description.sponsorship | European Union NextGeneration EU/PRTR PID2022-140815OB-C22 | es |
dc.format | application/pdf | es |
dc.format.extent | 11 | es |
dc.language.iso | eng | es |
dc.publisher | Springer | es |
dc.relation.ispartof | Journal of thermal analysis and calorimetry, 149 (6), 2653-2663. | |
dc.rights | Atribución 4.0 Internacional | * |
dc.rights.uri | http://creativecommons.org/licenses/by/4.0/ | * |
dc.subject | Kinetics | es |
dc.subject | Solid-state processes | es |
dc.subject | Heterogenous process | es |
dc.subject | Interface kinetic model | es |
dc.subject | Non-ideal kinetic model | es |
dc.title | A generalized interface reaction kinetic model for describing heterogeneous processes driven by contracting mechanisms | es |
dc.type | info:eu-repo/semantics/article | es |
dc.type.version | info:eu-repo/semantics/publishedVersion | es |
dc.rights.accessRights | info:eu-repo/semantics/openAccess | es |
dc.contributor.affiliation | Universidad de Sevilla. Departamento de Química Inorgánica | es |
dc.relation.projectID | TED2021-131839B-C22 | es |
dc.relation.projectID | PDC2021-121552-C21 | es |
dc.relation.projectID | PID2022-140815OB-C22 | es |
dc.relation.publisherversion | https://doi.org/10.1007/s10973-023-12835-5 | es |
dc.identifier.doi | 10.1007/s10973-023-12835-5 | es |
dc.journaltitle | Journal of thermal analysis and calorimetry | es |
dc.publication.volumen | 149 | es |
dc.publication.issue | 6 | es |
dc.publication.initialPage | 2653 | es |
dc.publication.endPage | 2663 | es |
dc.contributor.funder | ERDF A way of making Europe | es |
dc.contributor.funder | Ministerio de Ciencia e Innovación (MICIN). España | es |
dc.contributor.funder | Unión Europea (UE) | es |