Validation of the Reliability of the Porous Structure Parameters for Activated Carbons as Evaluated on the Basis of Adsorption Isotherms from the Gaseous Phase

Adsorption/desorption isotherms from the gaseous phase (benzene vapour, nitrogen) have been determined consecutively a number of times on the same activated carbon sample. The porous structure parameters were evaluated on the basis of the experimental data using the Dubinin-Radushkevich, Dubinin-Ast...

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Main Authors: Bogdan J. Trznadel, Stefan Zietek, Andrzej Światkowski
Format: Article
Language:English
Published: Hindawi - SAGE Publishing 1999-01-01
Series:Adsorption Science & Technology
Online Access:https://doi.org/10.1177/026361749901700102
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spelling doaj-9b788793ad044b61a6cd4a3167a1245c2021-04-02T10:54:55ZengHindawi - SAGE PublishingAdsorption Science & Technology0263-61742048-40381999-01-011710.1177/026361749901700102Validation of the Reliability of the Porous Structure Parameters for Activated Carbons as Evaluated on the Basis of Adsorption Isotherms from the Gaseous PhaseBogdan J. Trznadel0Stefan Zietek1Andrzej Światkowski2 Military Institute of Chemistry and Radiometry, 00-910 Warsaw, Poland Military Institute of Chemistry and Radiometry, 00-910 Warsaw, Poland Military Technical Academy, 00-908 Warsaw, PolandAdsorption/desorption isotherms from the gaseous phase (benzene vapour, nitrogen) have been determined consecutively a number of times on the same activated carbon sample. The porous structure parameters were evaluated on the basis of the experimental data using the Dubinin-Radushkevich, Dubinin-Astakhov, Finger-Büllow, Dubinin-Stoeckli and Horvath-Kawazoe equations for the calculations. Analyses of the mean values and relative errors of particular structural parameters were made as well as comparisons of the stability of the adsorption models used. It was found that the reliability of the results obtained was better for the benzene vapour adsorption isotherms determined by a gravimetric method than for those determined by a volumetric method using nitrogen as the adsorbate.https://doi.org/10.1177/026361749901700102
collection DOAJ
language English
format Article
sources DOAJ
author Bogdan J. Trznadel
Stefan Zietek
Andrzej Światkowski
spellingShingle Bogdan J. Trznadel
Stefan Zietek
Andrzej Światkowski
Validation of the Reliability of the Porous Structure Parameters for Activated Carbons as Evaluated on the Basis of Adsorption Isotherms from the Gaseous Phase
Adsorption Science & Technology
author_facet Bogdan J. Trznadel
Stefan Zietek
Andrzej Światkowski
author_sort Bogdan J. Trznadel
title Validation of the Reliability of the Porous Structure Parameters for Activated Carbons as Evaluated on the Basis of Adsorption Isotherms from the Gaseous Phase
title_short Validation of the Reliability of the Porous Structure Parameters for Activated Carbons as Evaluated on the Basis of Adsorption Isotherms from the Gaseous Phase
title_full Validation of the Reliability of the Porous Structure Parameters for Activated Carbons as Evaluated on the Basis of Adsorption Isotherms from the Gaseous Phase
title_fullStr Validation of the Reliability of the Porous Structure Parameters for Activated Carbons as Evaluated on the Basis of Adsorption Isotherms from the Gaseous Phase
title_full_unstemmed Validation of the Reliability of the Porous Structure Parameters for Activated Carbons as Evaluated on the Basis of Adsorption Isotherms from the Gaseous Phase
title_sort validation of the reliability of the porous structure parameters for activated carbons as evaluated on the basis of adsorption isotherms from the gaseous phase
publisher Hindawi - SAGE Publishing
series Adsorption Science & Technology
issn 0263-6174
2048-4038
publishDate 1999-01-01
description Adsorption/desorption isotherms from the gaseous phase (benzene vapour, nitrogen) have been determined consecutively a number of times on the same activated carbon sample. The porous structure parameters were evaluated on the basis of the experimental data using the Dubinin-Radushkevich, Dubinin-Astakhov, Finger-Büllow, Dubinin-Stoeckli and Horvath-Kawazoe equations for the calculations. Analyses of the mean values and relative errors of particular structural parameters were made as well as comparisons of the stability of the adsorption models used. It was found that the reliability of the results obtained was better for the benzene vapour adsorption isotherms determined by a gravimetric method than for those determined by a volumetric method using nitrogen as the adsorbate.
url https://doi.org/10.1177/026361749901700102
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