Research Article
Properties and Developments of Combustion and Gasification of Coal and Char in a CO2-Rich and Recycled Flue Gases Atmosphere by Rapid Heating
Table 1
The properties of coal sample.
| | Item | Coal sample of Datong |
| | Ash | 8.20 | | Volatile matter | 29.4 | | Proximate analysis | Fixed carbon | 62.4 | | (wt% dry basis) | Fuel ratio (= FC·VM−1) | 2.12 | | HHV (kJ·kg−1) | 30300 | | LHV (kJ·kg−1) | 29300 |
| | C | 76.9 | | H | 4.30 | | Ultimate analysis | N | 0.83 | | (wt% dry basis) | O | 7.20 | | S | 0.67 | | Combustible S | 0.62 | | Noncombustible S | 0.05 |
| | IDT | 1353 | | Ash fusibility (K, ASTM method in reducing atmosphere) | ST | 1398 | | HT | 1403 | | FT | 1488 |
| | Ash fusibility | EP | 1413 | | (K, DIN method in | SP | 1463 | | oxidizing atmosphere) | FP | 1753 |
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