Research Article
Ash Evaluation of Indonesian Coal Blending for Pulverized Coal-Fired Boilers
Table 9
XRD analysis of BD-2B ash.
| Temp. (°C) | Compound name | Chemical formula | SemiQuant (%) |
| 550 | Quartz high | O2Si1 | 82 | Iron(III) phosphate(V)-alpha | Fe1O4P1 | 11 | Sulfur(IV) oxide | O2S1 | 7 |
| 600 | Quartz low | O2Si1 | 86 | Iron(III) phosphate(V)-beta | Fe1O4P1 | 4 | Calcium aluminum silicon | Ca3Al2Si2 | 10 |
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