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CO2 carbonation under aqueous conditions using petroleum coke combustion fly ash

AutorGonzález, Aixa; Navia, Rodrigo; Moreno, Natalia
Palabras clavePetroleum coke fly ash
CO2 capture kinetics
Aqueous medium
Accelerated mineral carbonation
Fecha de publicación18-may-2015
ResumenFly ash from petroleum coke combustion was evaluated for CO2 capture in aqueous medium. Moreover the carbonation efficiency based on different methodologies and the kinetic parameters of the process were determined. The results show that petroleum coke fly ash achieved a CO2 capture yield of 21% at the experimental conditions of 12 g L-1, 363 degrees K without stirring. The carbonation efficiency by petroleum coke fly ash based on reactive calcium species was within carbonation efficiencies reported by several authors. In addition, carbonation by petroleum coke fly ash follows a pseudo-second order kinetic model.
Versión del editorhttp://dx.doi.org/10.1016/j.chemosphere.2014.06.034
URIhttp://hdl.handle.net/10261/115283
DOI10.1016/j.chemosphere.2014.06.034
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