Chemistry and Emissions of Nitrogen Oxides (NO, NO2, N2O) in Combustion of Solid Fuels. II. Heterogeneous Reactions - N2O

0165880 - UCHP-M 20000064 RIV SK eng J - Článek v odborném periodiku
Svoboda, Karel - Čermák, Jiří - Trnka, Otakar
Chemistry and Emissions of Nitrogen Oxides (NO, NO2, N2O) in Combustion of Solid Fuels. II. Heterogeneous Reactions - N2O.
Chemical Papers. Roč. 54, č. 2 (2000), s. 118-130. ISSN 0366-6352
Grant CEP: GA AV ČR IAA4072801
Výzkumný záměr: CEZ:AV0Z4072921
Kód oboru RIV: CI - Průmyslová chemie a chemické inženýrství
Impakt faktor: 0.154, rok: 2000

Nitrous oxide (N2O) volume fractions in atmosphere increaseat an estimated rate 0.7-0.8 ppb per year. Combustion of so-lid fuels and waste at lower temperatures (750-900°C) presentsa significant source of N2O. During stages of a coal particlecombustion (pyrolysis-devolatilization and char combustion)both volatile N and char N are mainly transformed to N2 + NOand partly to N2O. HCN was recognized as the main precursorof N2O in volatile combustion. Char-N conversion to N2O(through various mechanisms) is affected by in situ reduc-tion of N2O by carbon surface and CO.
Trvalý link: http://hdl.handle.net/11104/0001352