Table 1 Parameter of main chemical reaction equations in the UCG process3,22.
No. | Reaction | Heat of reaction (kJ/mol) | Reaction frequency factor (1/s) | Activation energy (kJ/mol) |
|---|---|---|---|---|
(3) | Oxidation | -393 | 20.8 | 100 |
(4) | Carbon monoxide combustion | -571 | 1.12 × 108 | 247 |
(5) | Steam gasification | 131 | 1.87 × 104 | 156 |
(6) | Boudouard | 172 | 6.57 × 106 | 249 |
(7) | Water-gas shift | -41 | f: 1.73 b: 4.48 × 10− 2 | 12.6 |
(8) | Hydrogasification | -75 | 1.81 × 103 | 200 |
