Adsorption equilibria of hydrocarbon gaseous mixtures containing polar components

Mikio Konno, Masaru Terabayashi, Yasushi Takako, Shozaburo Saito

Research output: Contribution to journalArticlepeer-review

11 Citations (Scopus)

Abstract

Adsorption equilibria were measured for binary systems of hydrocarbon gaseous mixtures containing polar components. Three different adsorbents were used: molecular sieve 13X, activated carbon G-2X and molecular sieving carbon MSC-5A. The experimental results were compared with results calculated according to two currently adopted prediction methods: the ideal adsorbed solution model and the two-dimensional fluid model. The adsorption equilibria of molecular sieve 13X were in good agreement with the predictions from both models. However, neither model was found to give a good fit with the adsorption equilibria obtained with the other adsorbents. It is shown that the adsorption equilibria of activated carbon G-2X can be well predicted by a modified two-dimensional fluid model which takes into account the distribution of the local molecular concentration. The experimental results obtained from molecular sieving carbon MSC-5A are considered to be accounted for by the nonuniformity of the adsorption energy.

Original languageEnglish
Pages (from-to)398-408
Number of pages11
JournalJOURNAL of CHEMICAL ENGINEERING of JAPAN
Volume18
Issue number5
DOIs
Publication statusPublished - 1985 Jan 1

Keywords

  • Adsorption Energy Distribution
  • Gas Adsorption
  • Local Molecular Concentration
  • Nonpolar Hydrocarbon
  • Phase Equilibrium
  • Polar Hydrocarbon
  • Two-Dimensional Fluid Model

ASJC Scopus subject areas

  • Chemistry(all)
  • Chemical Engineering(all)

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