Research Article
Applicability of Scaling Approach for Analysis of Pyrolysis and Gasification of Porous Structures Composed of Solid Fuel Particles
Table 1
The proximate and ultimate analysis of the straw pellets.
| Analysis | | | Conditions | Proximate analysis | Symbol | Unit | As received | Analytical | Dry | Dry ash-free | | | | | | daf |
| Analytical moisture (dry air) | W | % | 5.6 | 5.8 | — | — | Total moisture |
Wt | % | 10.1 | 5.8 | — | — | Ash | A | % | 3.4 | 3.6 | 3.8 | — | Combustible matter | | % | 86.5 | 90.6 | 96.2 | — | Volatiles | V | % | 69.9 | 73.2 | 77.7 | 80.8 | HHV (higher heating value) |
Qs | kcal/kg | 4034 | 4224 | 4486 | 4662 | HHV |
Qs | kJ/kg | 16889 | 17685 | 18780 | 19518 | LHV (lower heating value) |
Qi | kcal/kg | 3703 | 3905 | 4183 | 4347 | LHV |
Qi | kJ/kg | 15503 | 16348 | 17512 | 18200 | Ultimate analysis | | | | | | | Carbon |
Ct | % | 41.82 | 43.79 | 46.5 | 48.33 | Hydrogen |
Ht | % | 5.22 | 5.47 | 5.81 | 6.04 | Oxygen | O | % | 39.02 | 40.86 | 43.39 | 45.9 | Nitrogen | N | % | 0.43 | 0.45 | 0.48 | 0.5 | Sulfur |
St | % | 0.04 | 0.4 | 0.04 | 0.04 | Chlorine | Cl | % | 0.075 | 0.079 | 0.084 | | Fluor | F | % | | | | |
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