Multicomponent sorption kinetics of ethane and propane in activated carbon: simultaneous adsorption

Hu X., Rao G.N. and Do D.D. (1993) Multicomponent sorption kinetics of ethane and propane in activated carbon: simultaneous adsorption. Gas Separation and Purification, 7 1: 39-45. doi:10.1016/0950-4214(93)85018-Q


Author Hu X.
Rao G.N.
Do D.D.
Title Multicomponent sorption kinetics of ethane and propane in activated carbon: simultaneous adsorption
Journal name Gas Separation and Purification
ISSN 0950-4214
Publication date 1993
Sub-type Article (original research)
DOI 10.1016/0950-4214(93)85018-Q
Volume 7
Issue 1
Start page 39
End page 45
Total pages 7
Subject 1500 Chemical Engineering
2200 Engineering
Abstract Extensive experimental data of binary adsorption kinetics of ethane and propane onto Ajax activated carbon are collected by using a 'differential adsorption bed' over a range of particle sizes and shapes, bulk concentrations and temperatures. A multicomponent model incorporating macropore, surface and micropore diffusion mechanisms recently proposed by Hu and Do (Chem Eng Sci (in press)) is used to predict the binary adsorption dynamic data by using information of single-component isotherms and dynamics. The multicomponent adsorption equilibrium is calculated by using the ideal adsorbed solution theory (IAST), with the single-component isotherm described by a Unilan equation. The model is found to describe the binary adsorption kinetics well and in particular it accurately predicts the degree of the overshoot of the fast-diffusing/less-strongly adsorbed species.
Keyword activated carbon
adsorption dynamics
ideal adsorbed solution theory
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status Unknown

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