2011
DOI: 10.2516/ogst/2010028
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Chemical Looping with Copper Oxide as Carrier and Coal as Fuel

Abstract: Résumé -Boucle chimique pour la combustion du charbon avec un transporteur d'oxygène à base d'oxyde de cuivre -Une analyse préliminaire a été conduite pour estimer les performances d'un procédé en boucle chimique découplé (CLOU, chemical looping uncoupling) pour la combustion du charbon avec un transporteur d'oxygène à base d'oxyde de cuivre. Les avantages de ce système sont démontrés en établissant le bilan énergétique, l'inventaire et le débit de circulation du matériau transportant l'oxygène, les taux de co… Show more

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Cited by 86 publications
(112 citation statements)
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References 27 publications
(55 reference statements)
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“…They studied the same reaction of decomposition of CuO in a range of temperatures from 1033 to 1183 K. In this work, a global activation energy of 313 kJ/mol for the decomposition reaction was found. Eyring et al [17] studied the reduction kinetic for a pure CuO oxygen carrier in a TGA. They obtained a value of the activation energy for the reduction of 327 kJ/mol using an empirical first order reaction, developed for their purposes of modelling.…”
Section: Introductionmentioning
confidence: 99%
“…They studied the same reaction of decomposition of CuO in a range of temperatures from 1033 to 1183 K. In this work, a global activation energy of 313 kJ/mol for the decomposition reaction was found. Eyring et al [17] studied the reduction kinetic for a pure CuO oxygen carrier in a TGA. They obtained a value of the activation energy for the reduction of 327 kJ/mol using an empirical first order reaction, developed for their purposes of modelling.…”
Section: Introductionmentioning
confidence: 99%
“…Stable reactivity was observed for 600°C, but a decrease in reactivity was observed at both 700 and 800°C. That behavior might be explained by iron silicate formation and was identified previously for Fe 2 O 3 /SiO 2 oxygen carriers [11,18]. The observed formation of iron silicate at high temperature during CLC reactions may lead to synthetic carrier deactivation.…”
Section: Clc Reaction Performance Of Sediments From Potable Water Witmentioning
confidence: 90%
“…For practical power generation in a real CLC system, the other solution for small reaction rates of solid fuel with Fe species might be applied, i.e., by replacing the coal/biomass with, for example, coal/biomass steam gasification syngas. Some examples of that option were also recommended elsewhere [11,23,27].…”
Section: Clc Reaction Performance Of Sediments From Potable Water Witmentioning
confidence: 99%
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