Research Article
Ash Evaluation of Indonesian Coal Blending for Pulverized Coal-Fired Boilers
Table 7
XRD analysis of BD-1B ash.
| Temp. (°C) | Compound name | Chemical formula | SemiQuant (%) |
| 550 | Silicon oxide | SiO2 | 93 | Millosevichite | Al2O12S3 | 7 |
| 600 | Quartz high | O2Si1 | 13 | Calcium sulfate | Ca(SO4) | 5 | Iron oxide | Fe2O3 | 82 |
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