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Observation of wall effects in activated carbon filters by X-ray μCT
Léonard, Angélique; Wullens, H.; Blacher, Silvia et al.
2007In 5th World Congress in Industrial Process Tomography
Peer reviewed
 

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Keywords :
Activated carbon; Adsorption; Wall effect; X-ray microtomography; Carbon; Tomography; Activated carbon beds; Activated carbon filters; Adsorption dynamics; Adsorption profile; Dynamic adsorption; Radial concentration; Wall effects; X ray microtomography
Abstract :
[en] X-ray microtomography has been recently used to follow adsorption dynamics in activated carbon beds. In the present work, this technique allows the detection of wall effects during the dynamic adsorption of methyl iodide. The analysis of transversal cross sections clearly shows the existence of radial concentration profiles within the filters. The adsorption profiles are directly linked to velocity profiles due to a higher permeability at the wall. It is essential to take into account this phenomenon to model adsorption and to predict precisely breakthrough times. © 2007, International Society for Industrial Process Tomography. All rights reserved.
Disciplines :
Chemical engineering
Author, co-author :
Léonard, Angélique  ;  Université de Liège > Département de chimie appliquée > Génie chimique - Procédés et développement durable
Wullens, H.;  DLD Defence Laboratoria Department, NBC Protection, Martelarenstraat 181, Vilvoorde, Belgium
Blacher, Silvia ;  Université de Liège > Département des sciences biomédicales et précliniques > Biologie cellulaire et moléculaire
Marchot, Pierre ;  Université de Liège > Département de chimie appliquée > Département de chimie appliquée
Toye, Dominique  ;  Université de Liège > Département de chimie appliquée > Génie de la réaction et des réacteurs chimiques
Crine, Michel ;  Université de Liège > Département de chimie appliquée > Département de chimie appliquée
Lodewyckx, P.;  Royal Military Academy, Dept. Of Chemistry, Renaissancelaan 30, Brussel, Belgium
Language :
English
Title :
Observation of wall effects in activated carbon filters by X-ray μCT
Publication date :
2007
Event name :
5th World Congress in Industrial Process Tomography
Event date :
3 September 2007 through 6 September 2007
Audience :
International
Main work title :
5th World Congress in Industrial Process Tomography
Publisher :
International Society for Industrial Process Tomography
ISBN/EAN :
978-085316321-3
Pages :
342-347
Peer reviewed :
Peer reviewed
Available on ORBi :
since 02 July 2020

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