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A new model of the carbonator reactor in the Calcium Looping technology for post-combustion CO2 capture

Opened Access A new model of the carbonator reactor in the Calcium Looping technology for post-combustion CO2 capture

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Autor: Ortiz, Carlos
Chacartegui, R.
Valverde Millán, José Manuel
Becerra Villanueva, José Antonio
Pérez Maqueda, Luis A.
Departamento: Universidad de Sevilla. Departamento de Ingeniería Energética
Universidad de Sevilla. Departamento de Electrónica y Electromagnetismo
Universidad de Sevilla. Departamento de Química Inorgánica
Fecha: 2015
Publicado en: Fuel, 160, 328-338.
Tipo de documento: Artículo
Resumen: The Ca-Looping (CaL) process is considered as a promising technology for CO2 post-combustion capture in power generation plants yielding a minor penalty on plant performance as compared with other capture technologies such as conventional amine-based capture systems. This manuscript presents a new carbonator reactor model based on lab-scale multicyclic CaO conversion results, which take into account realistic CaO regeneration conditions that necessarily involve calcination under high CO2 partial pressure and high temperature. Under these conditions, CaO conversion in the diffusion controlled stage is a relevant contribution to the carbonation degree in the typical residence times. The main novelty of the model proposed in the present work is the consideration of the capture efficiency in the diffusion controlled phase of carbonation. It is demonstrated that increasing the residence time by a few minutes in the carbonator yields a significant improvement of the capture efficienc...
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Cita: Ortiz, C., Chacartegui, R., Valverde Millán, J.M., Becerra Villanueva, J.A. y Pérez Maqueda, L.A. (2015). A new model of the carbonator reactor in the Calcium Looping technology for post-combustion CO2 capture. Fuel, 160, 328-338.
Tamaño: 658.6Kb
Formato: PDF

URI: http://hdl.handle.net/11441/52556

DOI: 10.1016/j.fuel.2015.07.095

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