Effects of Igneous Intrusion on Microporosity and Gas Adsorption Capacity of Coals in the Haizi Mine, China
Figure 9
(a) Evolution of the Langmuir volume with decreasing distance from sill and (b) comparison of gas (methane) adsorption behavior of four samples: sample 2, sample 4, and sample 7 in heat-affected zone and sample 10 in unaltered zone.