Reaction type | Reaction equation | Reaction heat ΔH 298 K, kJ·kg-1·mol-1 | equilibrium constant | |||
---|---|---|---|---|---|---|
800 ℃ | 1300 ℃ | |||||
heterogeneous reaction | ||||||
combustion | C+O2=CO2 | -406 430 | 1.8×1017 | 1.5×1013 | ||
partial combustion | 2C+O2=CO | -246 372 | 1.4×1017 | 4.56×1015 | ||
Carbon reacts with water vapor | C+H2O=CO+H2 | +118 577 | 0.807 | 1.01×102 | ||
Boudouard reaction | C+CO2=2CO | +160 896 | 0.775 | 3.04×102 | ||
hydrogenation reaction | C+2H2=CH4 | -83 800 | 0.466 | 1.08×10-2 | ||
homogeneous reaction | ||||||
Hydrogen combustion reaction | 2H2+O2=2H2O | -482 185 | 2.2×1017 | 4.4×1011 | ||
CO combustion reaction | 2CO+O2=2CO2 | -567 326 | 2.4×1015 | 4.9×1010 | ||
water-gas reaction | CO+H2O=CO2+H2 | -42 361 | 1.04 | 0.333 | ||
Methanation reaction | CO +3H2=CH4+H2O | -206 664 | 0.577 | 1.77×10-4 |