Phenomenology of Graphite Burning in Air Ingress Accidents of HTRs

Table 1

Chemical reactions relevant in graphite burning.

No.	Reaction	Δ𝐻𝑅 (kJ/mol)
(1a)	2C + O2→ 2CO	−221.04
(1b)	C + O2→ CO2	−393.51
(2)	C + CO2⟷ 2CO	+172.47
(3)	2CO + O2→ 2CO2	−565.98