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Reference isotherm for high pressure adsorption of CO<sub>2</sub> by carbons at 273 K
Auteur(s)
Guillot, André
Date de parution
2001
In
Carbon, Elsevier, 2001/39/13/2059-2064
Résumé
It is suggested that the adsorption of CO<sub>2</sub> on Vulcan 3G at 273 K and up to 3.2 MPa can be used as a reference isotherm for the characterization of porous and non-porous carbons. The results obtained with the proposed reference are in good agreement with those of the nitrogen (77 K) and benzene (293 K) comparison plots. The external surface areas have also been compared with those obtained from immersion calorimetry into C<sub>6</sub>H<sub>6</sub> at 293 K. It also appears that at low relative pressures CO<sub>2</sub> adsorbed on Vulcan 3G follows the Dubinin–Radushkevich–Kaganer equation between 253 and 273 K.
Identifiants
Type de publication
journal article
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