Research Article
Characteristics of Corrosion Related to Ash Deposition on Boiler Heating Surface during Cofiring of Coal and Biomass
Table 2
Major ash constituents in fuels (%).
| Fuel | K | Na | Ca | Mg | Al | Si | Fe |
| Straw | 1.96 | 0.78 | 0.84 | 0.072 | 1.69 | 1.83 | 0.17 | Corn stalk | 1.88 | 0.64 | 1.20 | 0.069 | 3.16 | 2.24 | 0.16 | Cotton stalk | 0.86 | 0.35 | 0.84 | ā | 1.65 | 0.51 | 0.25 | Bitumite | 0.081 | 0.11 | 1.05 | 0.50 | 15.87 | 21.71 | 3.99 | Lean coal | 0.098 | 0.16 | 1.61 | 0.86 | 15.38 | 24.36 | 5.66 |
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