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DIGITAL.CSIC
Conference object . 2008 . Peer-reviewed
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Oxicombustión de carbones bituminosos frente a combustión convencional. Características de los carbonizados

Authors: Gómez Borrego, Ángeles; Álvarez Rodríguez, Diego; Fernández Domínguez, Isabel; Menéndez López, Rosa María;

Oxicombustión de carbones bituminosos frente a combustión convencional. Características de los carbonizados

Abstract

[EN]The combustion of coal in conventional power plants produces large amounts of CO2 which contributes to the greenhouse effect. One of the ways to approach the CO2 emmissions abatement is to burn the coal in a O2/CO2 atmosphere which eliminates the need of a separation step. In this study two coals of different rank (a high volatile bituminous and a low volatile bituminous) have been burned in a drop tube reactor using O2/N2 and O2/CO2 mixtures with increasing oxygen content from zero to 21%. Various oxygen concentrations have been selected for each set of experiments in order to follow both the progress of combustion and the influence of oxygen content in the devolatilisation behaviour of coal.

[ES]La combustión de carbón en centrales térmicas produce grandes cantidades de CO2 que contribuyen al efecto invernadero. Una de las opciones para reducir las emisiones de CO2 es quemar el carbón en atmósfera de O2/CO2 que elimina la necesidad de un paso posterior de depuración de CO2. En este estudio, se han realizado experimentos de combustión con dos carbones de distinto rango en un reactor de caída libre utilizando mezclas O2/N2 y O2/CO2 hasta una concentración del 21%. Se han seleccionado varias concentraciones de oxígeno con el fin de hacer un seguimiento tanto del proceso de combustión como del efecto del oxígeno en la desvolatilización del carbón.

Financiación de los proyectos “Hacia la combustión del carbón con emisiones cero de CO2 empleando tecnología oxy-fuel” del El Principado de Asturias y Endesa (PC03-04) y “Procesos avanzados de generación, captura y almacenamiento de CO2” del Ministerio de Educación y Ciencia (PSE2-2005).

Peer reviewed

Country
Spain
Related Organizations
Keywords

Oxicombustión, Reactividad, Carbón pulverizado, Conversión, Char

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
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