Research Article
N2O and NO Emissions from CFBC Cofiring Dried Sewage Sludge, Wet Sewage Sludge with Coal and PE
Table 1
Properties of sewage sludge and coal.
| | Coal | Dried sewage sludge | Wet sewage sludge | PE |
| Ultimate analysis (wt%, dry ash free basis) | | | | | Carbon | 83.21 | 54.96 | 53.44 | 85.71 | Hydrogen | 4.55 | 6.84 | 7.75 | 14.29 | Oxygen | 9.48 | 26.81 | 29.63 | | Sulfur | 1.52 | 3.24 | 3.01 | | Nitrogen | 0.84 | 8.15 | 6.17 | | Chlorine | 0.04 | 0.48 | 0.48 | | Calcium | 0.36 | 4.37 | 4.10 | | Ca/(S + 0.5Cl) molar ratio | 0.19 | 1.01 | 1.02 | | LHV (MJ/kg) | 25.87 | 12.81 | 0.64 | 46.34 | Proximate analysis (wt%, as received basis) | | | | | Moisture | 4.54 | 7.40 | 76.28 | — | Ash | 15.10 | 35.16 | 11.70 | — | Volatile | 24.60 | 47.40 | 11.67 | — | Fixed carbon | 55.76 | 10.04 | 0.36 | — |
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