Tuesday, October 2, 2012

Adsorption microcalorimetry applied to the characterisation of adsorbents for CO2 capture

The Canadian Journal of Chemical Engineering, Early View (Online Version of Record published before inclusion in an issue), Article first published online: 30 APR 2012
Adsorption microcalorimetry applied to the characterisation of adsorbents for CO2 capture
F. Wilton Miranda da Silva 1
Débora A. Soares Maia 2
Ronan S. Oliveira 1
Juan Carlos Moreno-Piraján 3
Karim Sapag 2
Célio L. Cavalcante 1
Giorgio Zgrablich 2
Diana C. S. Azevedo 1
diana@gpsa.ufc.br
1 Grupo de Pesquisa em Separações por Adsorção (GPSA), Department of Chemical Engineering, Universidade Federal do Ceará, Campus Universitário do Pici, Bl. 709, 60455-760 Fortaleza, CE, Brazil
2 Instituto de Física Aplicada (INFAP/CONICET), Universidad Nacional de San Luis, San Luis, Argentina
3 Grupo de Investigación en Sólidos Porosos y Calorimetría, Departamento de Química, Universidad de Los Andes, Bogotá, Colombia
Abstract
Results suggest that amino groups may be blocking some physisorption sites, leading to restricted chemisorption on the outer surface.  The primary contribution of this study is the simultaneous measurement of adsorption isotherms and respective differential enthalpy curves for amine-impregnated adsorbents, which may be considered a fingerprint of the modified surface chemistry.
Full Text Source (Subscription or Fee): http://onlinelibrary.wiley.com/doi/10.1002/cjce.21692/abstract?systemMessage=Wiley+Online+Library+will+be+disrupted+on+25+August+from+13%3A00-15%3A00+BST+%2808%3A00-10%3A00+EDT%29+for+essential+maintenance&userIsAuthenticated=false&deniedAccessCustomisedMessage=

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