きよう炭層岩石および石炭のガス吸着性について

抄録

The quantity of methane, argon and helium that can be put into coal or rocks in some coal measures as free gas or adsorbed gas has been investigated under various pressures. The rocks adsorb but a little quantity of methane or argon, while the coal adsorbs far greater quantities of them and a small quantity of helium. The quantity of methane adsorbed in coal increases with pressure, the rate of increase, however, decreasing with pressure. The authors have also investigated how and to what extent the sample should be crushed in determinining the quantities of gases put into it, as well as how to determine the porosity of samples.