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 nameDensity interval (g/cm3)Percentage of macerals
Vitrinite (%)Inertinite (%)Exinite (%)Minerals (%)

Number 1 VC1.26~1.2889.66.63.20.6
1.28~1.32904.11.74.2

Number 1 IC1.40~1.45887.40.73.9
1.45~1.552.59304.5

Number 2 VC1.24~1.2683.111.34.70.9
1.26~1.2886.98.73.50.9
1.28~1.3281.713.332

Number 2 IC1.40~1.4517.6780.63.8
1.45~1.5013.582.41.82.3
1.50~1.5511.478.92.17.6

Number 3 VC1.26~1.28879.23.80
1.28~1.3091.46.71.70.2

Number 3 IC1.40~1.4511.786.81.60.8
1.45~1.558.687.82.11.5
1.55~1.659.382.31.57.9

Number 4 VC1.28~1.3095.21.43.40

Number 4 IC1.40~1.457.989.51.80.8
1.45~1.551.397.401.3

Number 5 VC1.26~1.2892.35.62.10
1.28~1.3094.74.50.80

Number 5 IC1.40~1.4518.779.31.40.6
1.45~1.5011.2841.63.2
1.50~1.605.563.60.930