Research Article
Effects of Maceral Compositions of Coal on Methane Adsorption Heat
Table 5
The purity of maceral concentrates by using heavy liquid of different density intervals.
| Sample name | Density interval (g/cm3) | Percentage of macerals | Vitrinite (%) | Inertinite (%) | Exinite (%) | Minerals (%) |
| Number 1 VC | 1.26~1.28 | 89.6 | 6.6 | 3.2 | 0.6 | 1.28~1.32 | 90 | 4.1 | 1.7 | 4.2 |
| Number 1 IC | 1.40~1.45 | 8 | 87.4 | 0.7 | 3.9 | 1.45~1.55 | 2.5 | 93 | 0 | 4.5 |
| Number 2 VC | 1.24~1.26 | 83.1 | 11.3 | 4.7 | 0.9 | 1.26~1.28 | 86.9 | 8.7 | 3.5 | 0.9 | 1.28~1.32 | 81.7 | 13.3 | 3 | 2 |
| Number 2 IC | 1.40~1.45 | 17.6 | 78 | 0.6 | 3.8 | 1.45~1.50 | 13.5 | 82.4 | 1.8 | 2.3 | 1.50~1.55 | 11.4 | 78.9 | 2.1 | 7.6 |
| Number 3 VC | 1.26~1.28 | 87 | 9.2 | 3.8 | 0 | 1.28~1.30 | 91.4 | 6.7 | 1.7 | 0.2 |
| Number 3 IC | 1.40~1.45 | 11.7 | 86.8 | 1.6 | 0.8 | 1.45~1.55 | 8.6 | 87.8 | 2.1 | 1.5 | 1.55~1.65 | 9.3 | 82.3 | 1.5 | 7.9 |
| Number 4 VC | 1.28~1.30 | 95.2 | 1.4 | 3.4 | 0 |
| Number 4 IC | 1.40~1.45 | 7.9 | 89.5 | 1.8 | 0.8 | 1.45~1.55 | 1.3 | 97.4 | 0 | 1.3 |
| Number 5 VC | 1.26~1.28 | 92.3 | 5.6 | 2.1 | 0 | 1.28~1.30 | 94.7 | 4.5 | 0.8 | 0 |
| Number 5 IC | 1.40~1.45 | 18.7 | 79.3 | 1.4 | 0.6 | 1.45~1.50 | 11.2 | 84 | 1.6 | 3.2 | 1.50~1.60 | 5.5 | 63.6 | 0.9 | 30 |
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