Research Article
N2O and NO Emissions from CFBC Cofiring Dried Sewage Sludge, Wet Sewage Sludge with Coal and PE
Table 3
Composition of the ash of coal and sewage sludge.
| Items | Coal (wt%) | Sewage sludge (wt%) |
| SiO2 | 58.72 | 36.33 | Al2O3 | 21.26 | 21.08 | Fe2O3 | 11.22 | 9.17 | CaO | 2.7 | 10 | MgO | 0.54 | 3.41 | SO3 | 1.25 | 0.87 | TiO2 | 0.84 | 3.49 | K2O | 2.05 | 6.85 | Na2O | 0.12 | 2.01 | P2O5 | 0.22 | 2.08 |
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