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Medientyp:
E-Artikel
Titel:
SPECIFIC FEATURES OF THE OXYFUEL COMBUSTION CONDITIONS IN A BUBBLING FLUIDIZED BED
Beteiligte:
Skopec, Pavel;
Hrdlička, Jan
Erschienen:
Czech Technical University in Prague - Central Library, 2016
Erschienen in:
Acta Polytechnica, 56 (2016) 4, Seite 312-318
Sprache:
Nicht zu entscheiden
DOI:
10.14311/ap.2016.56.0312
ISSN:
1805-2363;
1210-2709
Entstehung:
Anmerkungen:
Beschreibung:
Oxyfuel combustion is a promising approach for capturing CO<sub>2</sub> from power plants. This technology produces a flue gas with a high concentration of CO<sub>2</sub>. Our paper presents a verification of the oxyfuel combustion conditions in a bubbling fluidized bed combustor. It presents a theoretical analysis of oxyfuel combustion and makes a comparison with combustion using air. It is important to establish a proper methodology for stoichiometric calculations and for computing the basic characteristic fluidization properties. The methodology presented here has been developed for general purposes, and can be applied to calculations for combustion with air and with oxygen-enriched air, and also for full oxyfuel conditions. With this methodology, we can include any water vapour condensation during recirculation of the flue gas when dry flue gas recirculation is used. The paper contains calculations for a lignite coal, which is taken as a reference fuel for future research and for the experiments.