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  4. The Microporosity of Activated Carbon Fibre KF1500 Assessed by Combined CO<sub>2</sub> Adsorption and Calorimetry Techniques and by Immersion Calorimetry
 
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The Microporosity of Activated Carbon Fibre KF1500 Assessed by Combined CO<sub>2</sub> Adsorption and Calorimetry Techniques and by Immersion Calorimetry

Auteur(s)
Guillot, André
Stoeckli, Fritz 
Institut de physique 
Bauguil Y.
Date de parution
2000
In
Adsorption Science and Technology, Multi-Science Publishing, 2000/18/1/1-14
Résumé
The microporous structure of the activated carbon fibre KF1500 was investigated by applying a new technique as presented here. This was based on a combination of high-pressure CO<sub>2</sub> adsorption measurements between 253 K and 353 K with direct measurement of the differential heats of adsorption at 298 K at low and medium coverages. The validity of this approach was tested by using two activated carbons which has been characterized previously by a variety of techniques, including immersion calorimetry. It appears that a combination of high-pressure adsorption and calorimetry with CO<sub>2</sub> alone is a useful tool for the characterization of the whole range of microporosity. This approach confirms earlier observations, according to which the initial stage of adsorption by strongly activated carbons corresponds to adsorption on the walls of large micropores rather than to the primary filling of small micropores.
Identifiants
https://libra.unine.ch/handle/123456789/15786
Type de publication
journal article
Dossier(s) à télécharger
 main article: Guillot_A._-_The_Microporosity_of_Activated_Carbon_20090217.pdf (1.27 MB)
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