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Reaction of No and N2O Gases with Graphite in TGA
Korean Journal of Chemical Engineering, May 1998, 15(3), 336-340(5), 10.1007/BF02707090
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Abstract
Thermal analyses were conducted in a thermogravimetric analyzer by isothermal techniques in order to characterize the carbon-nitrogen oxide reaction. The carbon samples employed in the present study were SP-1 graphite and Micro 450 graphite. Carbon-NO and carbon-N2O reactions were carried out in a temperature range of 550-900℃ and 5-20 kPa of the partial pressure of reactant. In the NO reaction, reaction orders with respect to NO concentration and activation energy were 0.46-0.92 and 85-102 kJ/mol, respectively. The rate on the monolayer edge was higher than the rate on the multilayer edges. In the N2O reaction, reaction orders with respect to N2O concentration and activation energy were 0.55-1.35 and 167-190 kJ/mol, respectively.
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