Table 3.
Ash fusion temperatures of raw coal and bio-coal briquettes.
| Samples | DT ( °C) | ST ( °C) | HT ( °C) | FT ( °C) |
|---|---|---|---|---|
| Raw coal | 1250 | 1290 | 1300 | 1350 |
| Bio-coal briquette (97:3) | ||||
| Binder ratios | ||||
| 5P-5 M | 1240 | 1260 | 1290 | 1320 |
| 8P-7 M | 1230 | 1240 | 1280 | 1300 |
| 10P-5 M | 1240 | 1250 | 1290 | 1330 |
| 5P-10 M | 1240 | 1250 | 1270 | 1310 |
| Bio-coal briquette (95:5) | ||||
| Binder ratios | ||||
| 5P-5 M | 1240 | 1250 | 1290 | 1340 |
| 8P-7 M | 1230 | 1260 | 1280 | 1330 |
| 10P-5 M | 1240 | 1240 | 1280 | 1340 |
| 5P-10 M | 1230 | 1260 | 1280 | 1330 |
| Bio-coal briquette (90:10) | ||||
| Binder ratios | ||||
| 5P-5 M | 1200 | 1250 | 1270 | 1300 |
| 8P-7 M | 1210 | 1250 | 1280 | 1310 |
| 10P-5 M | 1230 | 1240 | 1290 | 1320 |
| 5P-10 M | 1220 | 1240 | 1270 | 1310 |