Experimental benchmark data of CH4, CO2 and N2 binary and ternary mixtures adsorption on MOF-5

We present benchmark adsorption data of CH4, CO2 and N2 binary and ternary mixtures on MOF-5 at 297 K and pressures up to 1500 kPa obtained via the isotope exchange technique (IET) and a predictive volumetric method. The ternary mixtures data are organized in two different domains: constant composition and constant pressure planes. The constant composition data show quasi-constant selectivity in the entire pressure range. The constant pressure data showed the existence of azeotrope-like crossover for CH4 along the N2 and CO2 paths. However, these crossovers do not correspond to a reversal in the adsorbent's affinity for CH4. The obtained experimental data is in accord with ideal adsorption solution theory (IAST).