Experimental study on the reaction between nuclear graphite IG-110 and carbon dioxide

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With nuclear graphite IG-110, we measured various kinetic parameters and reaction rates of the C/CO2 reaction. As a result, its activation energy is 295 +/- 8 kJ/mol and the order of reaction is 0.9. It turns out that the rate of C/CO2 reaction is much smaller than the rate of the C/O-2 reaction which is dominant in HTGR air-ingress below 1400 degrees C. Finally, we propose the following rate equation for the C/CO2 reaction of IG-110: r(C-CO2) (kg/m(s)(3)) = 3.95 x 10(3) . exp (-290000/R.T) . (p(CO2))(0.9).
Publisher
ELSEVIER SCIENCE BV
Issue Date
2006-03
Language
English
Article Type
Article
Keywords

GRADE GRAPHITES; OXIDATION; SYSTEM; FLOW

Citation

JOURNAL OF NUCLEAR MATERIALS, v.350, no.1, pp.96 - 100

ISSN
0022-3115
DOI
10.1016/j.jnucmat.2005.11.015
URI
http://hdl.handle.net/10203/90219
Appears in Collection
NE-Journal Papers(저널논문)
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