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International Journal of Energy for a Clean Environment
SJR: 0.195 SNIP: 0.435 CiteScore™: 0.74

ISSN Imprimir: 2150-3621
ISSN En Línea: 2150-363X

International Journal of Energy for a Clean Environment

Formerly Known as Clean Air: International Journal on Energy for a Clean Environment

DOI: 10.1615/InterJEnerCleanEnv.v7.i4.30
pages 343-361

INTERACTIONS BETWEEN NO AND VOLATILE MATTER RELEASED BY COAL AND PETCOKE

J. Cances
Laboratoire de Génie des Procédés des Solides Divisés, UMR-CNRS 2392, Ecole des mines d'Albi-Carmaux, Campus Jarlard, 81013 ALBI CT Cedex 09, France
J.-M. Commandre
Ecole des Mines d'Albi-Carmaux, Laboratoire de Génie de Procédés des Solides Divisés, UMR CNRS 2392, Campus Jarlard, route de Teillet, 81013 Albi CT cedex 09, France
S. Salvador
Ecole des Mines d'Albi-Carmaux, Laboratoire de Génie de Procédés des Solides Divisés, UMR CNRS 2392, Campus Jarlard, route de Teillet, 81013 Albi CT cedex 09, France

SINOPSIS

Combustion of solid fuels at 800−1000°C releases fuel NO that may be reduced either by homogeneous reactions with hydrocarbons or heterogeneous char reduction. The solid combustion starts with devolatilisation that releases volatiles, mainly CO and hydrocarbons from hydrogen to tars. A petcoke and a coal are here first pyrolyzed under nitrogen, at different temperatures, using an entrained flow reactor. The gases are sampled and analyzed. Experiments are then undertaken under atmosphere enriched in NO at various temperatures. The NO concentration decreases throughout the process. The relative contribution of homogeneous and heterogeneous NO reduction is then investigated using a numerical model.


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