Research Article
Ash Evaluation of Indonesian Coal Blending for Pulverized Coal-Fired Boilers
Table 3
Slagging prediction of coal mixture combustion in DTF.
| No. | Index | BD-1A | BD-1B | BD-2A | BD-2B | BD-3A | BD-3B | BD-4A | BD-4B |
| 1 | | 0.274 | 0.269 | 0.366 | 0.439 | 0.583 | 0.463 | 0.686 | 0.474 | Criteria | Low | Low | Low | High | High | High | High | High |
| 2 | | 0.16 | 0.16 | 0.25 | 0.30 | 0.30 | 0.24 | 0.33 | 0.23 | Criteria | Low | Low | Low | Low | Low | Low | Low | Low |
| 3 | | 79.10 | 78.06 | 71.96 | 66.96 | 57.63 | 62.66 | 55.65 | 64.93 | Criteria | Low | Low | Low | Medium | High | Medium | High | High |
| 4 | | 1,148 | 1,200 | 1,116 | 1,136 | 1,160 | 1,154 | 1,152 | 1,136 | Criteria | Very high | High | Very high | Very high | High | High | High | Very high |
| 5 | | 3.83 | 4.18 | 3.56 | 3.82 | 2.40 | 2.10 | 3.64 | 3.50 | Criteria | Very high | Very high | Very high | High | Low | Low | High | High |
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