Original scientific paper
Published in: Holistic Approach Environ. 2(2012) 2, pp. 51 – 60
Paper reference number: HAE-23
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HETEROGENEOUS DESTRUCTION OF NITROUS OXIDE BY CHAR
* Faculty of Material Science and Metallurgy, Silesian University of Technology, Katowice, Poland
Reduction of N2O by chars from subbituminous Siersza, Piast and Janina coals have been studied in a pressurised reactor at 973 – 1173 K. It has been found that the reaction N2O + [C] → N2 + [CO] is controlled both by the chemical kinetics and diffusion of N2O within char particle’s pores. The rate constant of the above reaction has been found to be independent of pressure within the examined range of 0.2 – 1.0 MPa.
Keywords: pressurised combustion modelling, N2O reduction