Research Article
Preparation and Properties of Agricultural Residuals-Iron Concentrate Pellets
Table 4
Material ratios of carbon-bearing pellets, mass%.
| Test number | Size of concentrate and char/mesh | C/O ā | Concentrate | Crop-derived charcoal | Binder | H2O |
| 1 | 200 | 0.9 | 67.9 | 18.6 | 6.0 | 7.5 | 2 | 200 | 1.0 | 65.6 | 19.9 | 6.5 | 8.0 | 3 | 200 | 1.1 | 63.4 | 21.1 | 7.0 | 8.5 | 4 | 180 | 0.9 | 66.8 | 18.2 | 6.5 | 8.5 | 5 | 180 | 1.0 | 65.6 | 19.9 | 7.0 | 7.5 | 6 | 180 | 1.1 | 64.5 | 21.5 | 6.0 | 8.0 | 7 | 150 | 0.9 | 66.8 | 18.2 | 7.0 | 8.0 | 8 | 150 | 1.0 | 65.6 | 19.9 | 6.0 | 8.5 | 9 | 150 | 1.1 | 64.5 | 21.5 | 6.5 | 7.5 |
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