Adsorption kinetics of propane and propylene in Zeolite 5A-K. Unusual irreversible adsorption of propylene

Authors

  • M. E. Patiño Iglesias Instituto de Ciencias, Benemérita Universidad Autónoma de Puebla
  • G. Aguilar Armenta Centro de Investigación, Facultad de Ciencias Químicas, Benemérita Universidad Autónoma de Puebla

Keywords:

Propane, Propylene, Zeolite, Activated adsorption, Reversible adsorption, Adsorption irreversible.

Abstract

This study reveals some interesting interactions among olefin-olefin molecules adsorbed onto the solid 5A-K at temperatures below the critic temperature. The irreversible adsorbed propylene molecules act as “active sites” for a second adsorption. The kinetic measurements of pure hydrocarbons were carried out at different temperatures using a glass high vacuum volumetric system. It was found that the adsorption process for propylene was of the activated type, whereas the adsorption uptake for propane was low and completely reversible. The obtained results allow the assumption that the 5A-K sample could be an excellent adsorbent for the separation of C3H6/C3H8 mixtures at 150º C.

References

. R.T. Yang, Gas Separation by Adsorption Processes, College Press and World Scientific Publishers: River Edge, N. J.. 1, Chapter 1, (1997).

. D. L. Peterson; F. Helfferich; R. K. Griep Proc.-Soc. Chem. Ind., Chem. Eng. Group J. Org. Chem., 217 (1968).

. J. Padin; R. T. Yang Chem. Eng. Sci., 55, 2607 (2000).

. G. Aguilar-Armenta; M. E. Patiño Iglesias, Langmuir, 18, 7456 (2002).

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Published

2012-09-15

Issue

Vol. 25 No. 3 (2012)

Section

Research Papers

License

©2025 by the authors; licensee SMCTSM, Mexico. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution license (http://creativecommons.org/licenses/by/4.0/). 

How to Cite

Adsorption kinetics of propane and propylene in Zeolite 5A-K. Unusual irreversible adsorption of propylene. (2012). Superficies Y Vacío, 25(3), 171-174. https://superficiesyvacio.smctsm.org.mx/index.php/SyV/article/view/200