Monatshefte für Chemie / Chemical Monthly

, Volume 120, Issue 5, pp 401–411 | Cite as

Adsorption of propane andn-butane on polystyrene adsorbents

  • X. Lu
  • M. Jaroniec
  • R. Madey
  • D. Rothstein
  • J. -C. Huang
Anorganische Und Physikalische Chemie


The adsorption isotherms of propane andn-butane adsorbed on two polystyrene adsorbents with high and low specific surface areas were measured in the concentration range from 500 ppm to 10 800 ppm in a helium carrier gas at 273, 298, 303, and 313K. The isotherms can be represented by either a Freundlich or a Langmuir-Freundlich type equation. The energetic heterogeneities of the two adsorbents were characterized in terms of the dispersion of the adsorption energy. Also, the isosteric heats were calculated from the dimensionless adsorption capacities.


Adsorption on polystyrene adsorbents Gas adsorption Energetic heterogeneity of solids Hydrocarbons adsorption 

Adsorption von Propan undn-Butan auf Polystyrol-Adsorbentien


Es wurden die Adsorptionsisothermen von Propan undn-Butan an zwei Polystyrol-Adsorbentien mit hohen und niederen spezifischen Oberflächen im Konzentrationsbereich von 500 bis 10 800 ppm in einem Helium-Trägergas bei 273, 298, 303 und 313 K gemessen. Die Isothermen können entweder mittels Gleichungen vom Freundlich- oder Langmuir-Freundlich-Typ dargestellt werden. Die energetische Heterogenität der zwei Adsorbentien wurde in Termen der Dispersion der Adsorptionsenergie charakterisiert. Es wurden auch die isosterischen Adsorptionswärmen aus den dimensionslosen Adsorptionskapazitäten berechnet.


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Copyright information

© Springer-Verlag 1989

Authors and Affiliations

  • X. Lu
    • 1
  • M. Jaroniec
    • 1
  • R. Madey
    • 1
  • D. Rothstein
    • 1
  • J. -C. Huang
    • 2
  1. 1.Department of PhysicsKent State UniversityKentUSA
  2. 2.Department of Plastic EngineeringUniversity of LowellLowellUSA

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