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| mineral content (%) |
|||||
|---|---|---|---|---|---|
| concentrations of OP-10 (%) | kaolinite (%) | pyrite (%) | quartz (%) | calcite (%) | muscovite (%) |
| original coal | 45.7 | 5.1 | 31.9 | 14.1 | 3.2 |
| 0.2% | 48.5 | 4.5 | 30.1 | 13.8 | 3.0 |
| 0.5% | 49.3 | 4.5 | 27.5 | 15.7 | 2.9 |
| 1.0% | 47.9 | 5.2 | 30.9 | 12.7 | 3.3 |
| 2.0% | 54.9 | 4.4 | 23.3 | 14.7 | 2.8 |
