The rate of establishing adsorption equilibrium at temperatures below 170°K decreases sharply, so that the equilibrium adsorption of a mixture of gases with nitrogen on NaA zeolite can be investigated only above 170°K.
The presence of a Henry region on the nitrogen and oxygen adsorption isotherms at various temperatures gives yet another independent method for the determination of the initial differential heats and can simplify to a considerable degree the calculation of the thermodynamic functions which characterize the adsorption equilibrium of a binary mixture.
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Arkharov, A.M., Bering, B.P., Kalinnikova, I.A. et al. Nitrogen and oxygen adsorption on NaA zeolite. Russ Chem Bull 21, 1389–1391 (1972). https://doi.org/10.1007/BF00854576
- Adsorption Isotherm
- Binary Mixture