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Post-combustion CO2 capture adsorbents from spent coffee grounds

AutorGonzález García, Ana Silvia ; González Plaza, Marta ; Pis Martínez, José Juan ; Rubiera González, Fernando ; Pevida García, Covadonga
Palabras claveAdsorption
CO2 capture
Post-combustion
Activated carbon
Coffee residues
Fecha de publicaciónago-2013
EditorElsevier
CitaciónEnergy Procedia 37: 134-141 (2013)
ResumenPost-combustion CO2 capture can contribute to mitigate anthropogenic CO2 emissions in the short-to-medium term at relatively low technology risk. However, there are not post-combustion units installed yet on a commercial scale, and the considered first generation capture processes, based on absorption with amines, are energy intensive. Adsorption processes present scope for reducing the energy penalty of the capture step. In this work, carbons prepared from spent coffee grounds are evaluated as potential adsorbents for this application. They present high CO2/N2 selectivity, and a working capacity competitive to that of zeolite 13X with the appealing advantages of a significant lower cost, higher stability and easier regeneration.
DescripciónGHGT-11
Versión del editorhttp://dx.doi.org/10.1016/j.egypro.2013.05.094
URIhttp://hdl.handle.net/10261/111840
DOI10.1016/j.egypro.2013.05.094
ISSN1876-6102
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