Opened Access Calcium-looping for post-combustion CO2 capture

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Autor: Valverde Millán, José Manuel
Sánchez Jiménez, Pedro Enrique
Pérez Maqueda, Luis Allan
Departamento: Universidad de Sevilla. Departamento de Química Inorgánica
Universidad de Sevilla. Departamento de Electrónica y Electromagnetismo
Fecha: 2014
Publicado en: Applied Energy, 126 (1), 161-171.
Tipo de documento: Artículo
Resumen: The multicyclic carbonation/calcination (c/c) of CaO solid particles at high temperature is at the basis of the recently emerged Calcium-looping (CaL) technology, which has been shown to be potentially suitable for achieving high and sustainable post-combustion CO2 capture efficiency. Despite the success of pilot plant projects at the MWth scale, a matter of concern for scaling-up the CaL technology to a commercial level (to the GWth scale) is that the CaO carbonation reactivity can be recovered only partially when the sorbent is regenerated by calcination at high temperatures (around 950 °C) as required by the CO2 high concentration in the calciner. In order to reactivate the sorbent, a novel CaL concept has been proposed wherein a recarbonator reactor operated at high temperature/high CO2 concentration leads to further carbonation of the solids before entering into the calciner for regeneration. Multicyclic thermogravimetric analysis (TGA) tests demonstrate the feasibility of recarb...
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Cita: Valverde Millán, J.M., Sánchez Jiménez, P.E. y Pérez Maqueda, L.A. (2014). Calcium-looping for post-combustion CO2 capture. Applied Energy, 126 (1), 161-171.
Tamaño: 411.4Kb
Formato: PDF

URI: https://hdl.handle.net/11441/74160

DOI: 10.1016/j.apenergy.2014.03.081

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