Influence of depressurization rate on gas production capacity of high-rank coal in the south of Qinshui Basin, China
SU Xuefeng,LIU Yan,CUI Zhouqi,ZHANG Jianguo,YU Li,WANG Kai
Table 2
Final desorption volume at different decompression rates.
Depressuri-
zation rate/
(MPa·d
-1
)
Desorption time/h
Desorption volume/mL
Theoretical adsorption
capacity/mL
Desorption rate/%
3.0
197
2788.2
3046
91.54
1.0
255
2969.5
3046
97.49
0.5
281
2978.7
3046
97.79
0.3
355
2875.5
3046
94.40