The hindering effect of adsorbed components on the permeation of a non-adsorbing component through a microporous silicalite membrane: The potential barrier theory

M. Yang, B. D. Crittenden, S. P. Perera, H. Moueddeb, J. A. Dalmon

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28 Citations (SciVal)

Abstract

A potential barrier model is proposed to describe the hindering effect of light hydrocarbons on the permeation of hydrogen through a microporous silicalite membrane. The model, which only requires independent data on the permeance of pure hydrogen and the adsorption equilibrium isotherms of the light hydrocarbons has been tested on binary experimental systems that include H2/CH4, H2/C2H6, H2/C3H8 and H2/n-C4H10. The substantial reduction in the permeance of hydrogen in the presence of the light hydrocarbons is described successfully over a temperature range of 20-60°C and with feed pressures up to 850kPa. The model is also capable of predicting the substantial reduction in the permeance of hydrogen in an experimental system that included the three lightest hydrocarbons. Copyright (C) 1999 Elsevier Science B.V.

Original languageEnglish
Pages (from-to)1-9
Number of pages9
JournalJournal of Membrane Science
Volume156
Issue number1
DOIs
Publication statusPublished - 24 Apr 1999

Bibliographical note

Funding Information:
The authors are grateful to the European Commission for financial support of this work under the JOULE programme (Project JOE3-CT95-0018).

Keywords

  • Hindering effect
  • Hydrogen
  • Light hydrocarbons
  • Microporous silicalite
  • Permeation
  • Potential barrier theory

ASJC Scopus subject areas

  • Biochemistry
  • General Materials Science
  • Physical and Theoretical Chemistry
  • Filtration and Separation

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