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Título

NO emissions in oxy-coal combustion with the addition of steam in an entrained flow reactor

Autor Álvarez González, Lucía ; Riaza Benito, Juan ; Gil Matellanes, María Victoria ; Pevida García, Covadonga ; Pis Martínez, José Juan ; Rubiera González, Fernando
Palabras clave Entrained flow reactor
NO emissions
Oxy-fuel combustion
Pulverized coal
Steam addition
Fecha de publicación may-2011
EditorWiley-VCH
Citación Greenhouse Gases: Science and Technology 1(2): 180-190 (2011)
ResumenThe NO emissions of a semi-anthracite and a high-volatile bituminous coal were studied under oxy-fuel combustion conditions in an entrained flow reactor (EFR). The results obtained under oxy-fuel atmospheres (21%O2–79%CO2, 30%O2–70%CO2 and 35%O2–65%CO2), were compared with those produced in air. The replacement of CO2 by 5, 10, and 20% of steam in the oxy-fuel combustion atmospheres was also evaluated in order to study the wet recirculation of flue gas. The NO emissions during oxy-fuel combustion were lower than those in air-firing, and a slight increasing trend in NO emissions was observed as O2 concentrations in the oxy-fuel atmospheres increased. Similarly, the NO concentration was reduced by the addition of steam, both under air and under oxy-fuel atmospheres, but no relevant differences between the different steam concentrations were observed.
Versión del editorhttp://dx.doi.org/10.1002/ghg.16
URI http://hdl.handle.net/10261/112249
DOI10.1002/ghg.16
E-ISSN2152-3878
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