Homogeneous and Heterogeneous Micropore Structures in Carbonaceous Adsorbents—Twenty Years Later

Artur P. Terzyk; Piotr A. Gauden; Piotr Kowalczyk

doi:10.1006/jcis.2002.8602

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Homogeneous and Heterogeneous Micropore Structures in Carbonaceous Adsorbents—Twenty Years Later

Journal article

Peer reviewed

Homogeneous and Heterogeneous Micropore Structures in Carbonaceous Adsorbents—Twenty Years Later

Artur P. Terzyk, Piotr A. Gauden and Piotr Kowalczyk

Journal of colloid and interface science, Vol.254(2), pp.242-249

2002

DOI: https://doi.org/10.1006/jcis.2002.8602

PMID: 12702394

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Abstract

theory of adsorption

adsorption

activated carbon

heterogeneity

Dubinin–Radushkevich–Stoeckli and/or Dubinin–Astakhov–Stoeckli adsorption isotherm equation

microporosity

The major aim of this study is to show that, developed by Dubinin and Stoeckli, the relation between the parameters of DA (Dubinin-Astakhov) and DRS (Dubinin-Radushkevich-Stoeckli) equations is an approximation. It is shown that the parameter B(0) of DRS isotherm should be taken into account in such a relationship; strictly speaking, the parameter n(DA) of DA adsorption isotherm equation is not only the function of the dispersion of the heterogeneity of carbon, it also depends on the location of the maximum of the distribution of this heterogeneity. Moreover, taking into account that the DR isotherm rather does not describe the adsorption in a homogeneous micropore system, the analogous relationship, however, for DA adsorption isotherm as a local equation in GAI (General Adsorption Isotherm) is proposed.

Details

Title: Homogeneous and Heterogeneous Micropore Structures in Carbonaceous Adsorbents—Twenty Years Later
Authors/Creators: Artur P. Terzyk - Materials Research Group (United States)
Piotr A. Gauden - Materials Research Group (United States)
Piotr Kowalczyk - Department of Respiratory Protection, Military Institute of Chemistry and Radiometry, gen. Chruściel Avenue 105, Warsaw, 00-910, Poland
Publication Details: Journal of colloid and interface science, Vol.254(2), pp.242-249
Publisher: Elsevier Inc
Identifiers: 991005560367007891
Murdoch Affiliation: Centre for Water, Energy and Waste
Language: English
Resource Type: Journal article

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Collaboration types: Domestic collaboration
Citation topics: 2 Chemistry; 2.90 Water Treatment; 2.90.27 Adsorption
Web Of Science research areas: Chemistry, Physical
ESI research areas: Chemistry