Structural heterogeneity in the equilibrium data for hydrocarbons and carbon oxides on activated carbons

Do H.D. and Do D.D. (1994) Structural heterogeneity in the equilibrium data for hydrocarbons and carbon oxides on activated carbons. Gas Separation and Purification, 8 2: 77-93. doi:10.1016/0950-4214(94)80014-6


Author Do H.D.
Do D.D.
Title Structural heterogeneity in the equilibrium data for hydrocarbons and carbon oxides on activated carbons
Journal name Gas Separation and Purification
ISSN 0950-4214
Publication date 1994-01-01
Sub-type Article (original research)
DOI 10.1016/0950-4214(94)80014-6
Volume 8
Issue 2
Start page 77
End page 93
Total pages 17
Subject 1500 Chemical Engineering
Abstract In this paper, we develop a theory to investigate the structural heterogeneity in the adsorption equilibria for gas-solid systems. The structural heterogeneity is characterized by the micropore size distribution. We assume that the solid is made up of patches of pores having the same size and that the local isotherm at a given patch follows either the Langmuir or Jovanovic equation. The network of patched micropores follows a certain distribution. We collected adsorption equilibrium data for a range of adsorbates, ethane, propane, butane, pentane, benzene and carbon dioxide, on an Ajax activated carbon. With these data, and data available from the literature on a number of activated carbons, we extracted their micropore size distributions with the constraint that these distributions must be independent of adsorbate and temperature.
Keyword activated carbon
adsorption equilibria
gas-solid systems
structural heterogeneity
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status Unknown

Document type: Journal Article
Sub-type: Article (original research)
Collection: Scopus Import - Archived
 
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