Fractal Pore and Its Impact on Gas Adsorption Capacity of Outburst Coal: Geological Significance to Coalbed Gas Occurrence and Outburst
Table 1
Basic information and testing data of the coal samples.
Sample ID
Sampling location
Tectonically deformed types
Proximate analysis (%)
FCad
ZC-S5
Nonoutburst area
Primary coal
1.32
2.02
22.7
23.44
51.84
ZC-S8
Primary coal
1.29
1.13
20.83
24.75
53.29
ZC-Q9
Cataclastic coal
1.49
1.10
21.12
29.96
47.82
ZC-S12
Cataclastic coal
1.55
1.43
21.16
27.81
49.60
TC-1
Gas anomaly and outburst area
Scaly coal
1.33
0.35
15.79
28.27
55.59
TC-2
Scaly coal
n/a
0.44
23.51
26.49
49.56
TC-3
Wrinkle coal
1.58
1.08
23.25
28.15
47.52
TC-4
Wrinkle coal
n/a
0.87
18.84
31.33
48.96
Notes: n/a: no available data; : moisture content, air dry basis; : ash content, air dry basis; : volatile content, air dry basis; FCad: fixed carbon, air dry basis.
