The mechanical behaviour of coal with respect to CO2 sequestration in deep coal seams
Carbon dioxide displays a strong affinity for coal due to its propensity to adsorb to the coal surface. The process of CO2 adsorption on coal causes lowering of surface energy and, it is hypothesised that an associated decrease in surface film confinement results in a decrease in material tensile resistance. Following the results of work carried out on the mechanical influence of CO2 on brown coal under in situ conditions [Viete DR, Ranjith PG. The effect of CO2 on the geomechanical and...[Show more]
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