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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