Kinetics of Solid-Gas Reactions and Their Application to Carbonate Looping Systems

Larissa Fedunik-Hofman, Alicia Bayon and Scott W. Donne
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Larissa Fedunik-Hofman: Discipline of Chemistry, University of Newcastle, Callaghan, NSW 2308, Australia
Alicia Bayon: CSIRO Energy, P.O. Box 330, Newcastle, NSW 2300, Australia
Scott W. Donne: Discipline of Chemistry, University of Newcastle, Callaghan, NSW 2308, Australia

Energies, 2019, vol. 12, issue 15, 1-35

Abstract: Reaction kinetics is an important field of study in chemical engineering to translate laboratory-scale studies to large-scale reactor conditions. The procedures used to determine kinetic parameters (activation energy, pre-exponential factor and the reaction model) include model-fitting, model-free and generalized methods, which have been extensively used in published literature to model solid-gas reactions. A comprehensive review of kinetic analysis methods will be presented using the example of carbonate looping, an important process applied to thermochemical energy storage and carbon capture technologies. The kinetic parameters obtained by different methods for both the calcination and carbonation reactions are compared. The experimental conditions, material properties and the kinetic method are found to strongly influence the kinetic parameters and recommendations are provided for the analysis of both reactions. Of the methods, isoconversional techniques are encouraged to arrive at non-mechanistic parameters for calcination, while for carbonation, material characterization is recommended before choosing a specific kinetic analysis method.

Keywords: kinetics; solid-gas reactions; carbonate looping; calcium looping; thermochemical energy storage; carbon capture and storage (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2019
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (6)

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