CO/CO2 ratio in biomass char oxidation. (August 2017)

• Record Type: Journal Article
• Authors: Anca-Couce, Andrés; Sommersacher, Peter; Shiehnejadhesar, Ali; Mehrabian, Ramin; Hochenauer, Christoph; Scharler, Robert
• Is Part Of: Energy procedia. Volume 120(2017)
• Page Start: 238
• Page End: 245
• Publication Date: 2017-08
• Subjects: CO/CO2 ratio -- char oxidation -- biomass -- single particle -- model; Power resources -- Congresses; Power resources -- Periodicals; Power resources; Conference proceedings; Periodicals; 333.7905
• DOI: 10.1016/j.egypro.2017.07.170
• Languages: English
• ISSNs: 1876-6102

Abstract

Abstract: The CO/CO2 release ratio obtained during char combustion of single biomass particles has been analysed in this work experimentally and by modelling. Experiments have been conducted with spruce, straw and Miscanthus pellets at different temperatures. Furthermore, these experiments have been modelled with a single particle model coupled with a CFD model of the single particle reactor. The results show that the CO/CO2 ratio strongly depends on the feedstock, being lower for spruce than for straw or Miscanthus. Furthermore, the most commonly employed correlations for this ratio in literature are not adequate, as they either under- or over-predict it.