A comparative evaluation of coal specific surface area by CO2 and N2 adsorption and its influence on CH4 adsorption capacity at different pore sizes

@inproceedings{Zhao2016ACE,
  title={A comparative evaluation of coal specific surface area by CO2 and N2 adsorption and its influence on CH4 adsorption capacity at different pore sizes},
  author={Junlong Zhao and Hao Xu and Dazhen Tang and Jonathan Paul Mathews and Song Chong Li and Shu Tao},
  year={2016}
}
Abstract Coal has a heterogenous porosity that influences its specific surface area (SSA) and CH 4 adsorption and desorption. However, the pore size distribution obtained with N 2 adsorption is only reliable at pore sizes >2 nm omitting the important contribution of micropore ( 2 at 77 K and CO 2 at 273 K, respectively, to compared the adsorption pore structure characteristics of different coal ranks, seams, and macrolithotypes, which further revealed the influences of mesopore (2–50 nm) and… CONTINUE READING
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