What is it about?
The authors studied two meta-anthracite samples from Douro coalfield (NW of Portugal) in which classical sorption isotherms were carried out, using CO2 only.
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Why is it important?
Results have demonstrated that whenever the CO2 is adsorbed in the coal pores/matrix it will be enduringly fixed up to, approximately, pressures of 32 bar in sample A and 34 bar in sample B. Since the gas release process is intensely related to diffusion coefficients, it is crucial to define their evolution on the two analyses reported in this paper.
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This page is a summary of: Coal gas adsorption/desorption isotherms versus diffusion process, International Journal of Global Warming, January 2016, Inderscience Publishers,
DOI: 10.1504/ijgw.2016.076332.
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