Equilibrium adsorption data from temperature-programmed desorption measurements

F. Foeth, J.M. Mugge, R. van der Vaart, H. Bosch, T. Reith

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Abstract

This work describes a novel method that enables the calculation of a series of adsorption isotherms basically from a single Temperature-Programmed Desorption (TPD) experiment. The basic idea is to saturate an adsorbent packed in a fixed bed at a certain feed concentration and temperature and to subsequently increase its temperature linearly with time, while maintaining a constant feed concentration. We measured TPD response curves for carbon dioxide on activated carbon at different heating rates for various combinations of feed concentration, molar flow rate and particle size. Response curves from an axially dispersed plug flow model were fitted to experimental data by adjustment of the Langmuir parameters. Adsorption isotherms calculated with these fitted parameters are in good agreement with adsorption data obtained by other methods over the full temperature range. The influence of heating rate on intraparticle mass transfer resistance is discussed.
Original languageEnglish
Pages (from-to)279-286
Number of pages8
JournalAdsorption
Volume2
Issue number2
DOIs
Publication statusPublished - 1996

Fingerprint

Temperature programmed desorption
desorption
Heating rate
Adsorption isotherms
Adsorption
adsorption
isotherms
Carbon Dioxide
Activated carbon
Temperature
Adsorbents
temperature
Carbon dioxide
Mass transfer
Particle size
Flow rate
heating
curves
activated carbon
plugs

Keywords

  • Mathematical models
  • Experimental data
  • Measurement method
  • Thermal desorption

Cite this

Foeth, F., Mugge, J. M., van der Vaart, R., Bosch, H., & Reith, T. (1996). Equilibrium adsorption data from temperature-programmed desorption measurements. Adsorption, 2(2), 279-286. https://doi.org/10.1007/BF00879542
Foeth, F. ; Mugge, J.M. ; van der Vaart, R. ; Bosch, H. ; Reith, T. / Equilibrium adsorption data from temperature-programmed desorption measurements. In: Adsorption. 1996 ; Vol. 2, No. 2. pp. 279-286.
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Foeth, F, Mugge, JM, van der Vaart, R, Bosch, H & Reith, T 1996, 'Equilibrium adsorption data from temperature-programmed desorption measurements' Adsorption, vol. 2, no. 2, pp. 279-286. https://doi.org/10.1007/BF00879542

Equilibrium adsorption data from temperature-programmed desorption measurements. / Foeth, F.; Mugge, J.M.; van der Vaart, R.; Bosch, H.; Reith, T.

In: Adsorption, Vol. 2, No. 2, 1996, p. 279-286.

Research output: Contribution to journalArticleAcademicpeer-review

TY - JOUR

T1 - Equilibrium adsorption data from temperature-programmed desorption measurements

AU - Foeth, F.

AU - Mugge, J.M.

AU - van der Vaart, R.

AU - Bosch, H.

AU - Reith, T.

PY - 1996

Y1 - 1996

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AB - This work describes a novel method that enables the calculation of a series of adsorption isotherms basically from a single Temperature-Programmed Desorption (TPD) experiment. The basic idea is to saturate an adsorbent packed in a fixed bed at a certain feed concentration and temperature and to subsequently increase its temperature linearly with time, while maintaining a constant feed concentration. We measured TPD response curves for carbon dioxide on activated carbon at different heating rates for various combinations of feed concentration, molar flow rate and particle size. Response curves from an axially dispersed plug flow model were fitted to experimental data by adjustment of the Langmuir parameters. Adsorption isotherms calculated with these fitted parameters are in good agreement with adsorption data obtained by other methods over the full temperature range. The influence of heating rate on intraparticle mass transfer resistance is discussed.

KW - Mathematical models

KW - Experimental data

KW - Measurement method

KW - Thermal desorption

U2 - 10.1007/BF00879542

DO - 10.1007/BF00879542

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JO - Adsorption

JF - Adsorption

SN - 0929-5607

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