Selective adsorption of ethylene over ethane on natural mordenite and on K+-exchanged mordenite

D. Vargas-Hernández*, M. A. Pérez-Cruz, R. Hernández-Huesca

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

18 Scopus citations


Pure-component adsorption equilibrium and kinetics of ethylene (C2H4and ethane (C2H6on natural mordenite (ZNT) from Tamaulipas, Mexico, and on cation-exchanged mordenite samples (1.5 K-ZNT and 1.8 K-ZNT) were measured at 0, 20, 60, and 100 °C using a glass high-vacuum volumetric system. The measured data were analyzed using the Dual Langmuir model. All of the samples showed selectivity toward ethylene. The adsorbed amounts of ethane and ethylene on the 1.5 K-ZNT and 1.8 K-ZNT samples were lower than those on ZNT; this result can be due to a decrease in micropore volume because of the presence of the K+cations in the cation-exchanged samples. It was established that the adsorptive separation of these gases on ZNT can be effected most efficiently at 100 °C, whereas the use of 1.8 K-ZNT could be recommended at ambient temperature.

Original languageEnglish
Pages (from-to)153-163
Number of pages11
Issue number1-2
StatePublished - Feb 2015
Externally publishedYes

Bibliographical note

Publisher Copyright:
© 2015, Springer Science+Business Media New York.


  • Adsorption equilibrium
  • Adsorption kinetics
  • Ethane
  • Ethylene
  • Mordenite


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