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The aim of this study is to understand details about the sample size influence on the CH 4 and CO 2 sorption behaviors of coals. Two anthracites (YQ and QS) were selected, ground and sieved. Four size fractions (from powder size −0.354mm to the lump size 4–10mm) were tested. The manometric method was used to determine the CH 4 and CO 2 sorption isotherms and kinetics...
The operation and numerical simulation of CO 2 -ECBM processes requires a thorough understanding of the fluid conductivity properties of the coal matrix. Therefore, single phase (water) and two-phase (water and gas) fluid flow tests on a cylindrical anthracite coal matrix plug of 28.5mm in diameter and about 20mm in length were conducted in a triaxial flow cell at a confining pressure and...
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