Chemical Engineering Journal 336 (2018) 612–621 Contents lists available at ScienceDirect Chemical Engineering Journal journal homepage: www.elsevier.com/locate/cej Amine functionalized porous silica for CO /CH separation by adsorption: 2 4 Which amine and why a, a a a b a Luís Mafra , TomažČendak , Sarah Schneider , Paul V. Wiper , João Pires , José R.B. Gomes , c, Moisés L. Pinto CICECO – Aveiro Institute of Materials, Department of Chemistry, University of Aveiro, Campus Universitário de Santiago, 3810-193 Aveiro, Portugal Centro de Química e Bioquímica, Faculdade de Ciências, Universidade de Lisboa, 1749-016 Lisboa, Portugal CERENA, Instituto Superior Técnico, Universidade de Lisboa, Av. Rovisco Pais, n 1, 1049-001 Lisboa, Portugal GR APHICAL A BSTRACT ARTICLE I NFO ABSTRACT Keywords: The separation of CO /CH gas mixtures on mesoporous SBA-15 functionalized with primary, secondary and 2 4 Methane upgrading tertiary amines, and a diamine (primary and secondary), was studied by gas adsorption, solid state nuclear Gas separation magnetic resonance (ssNMR) and electronic structure density functional theory (DFT) techniques to evaluate the Amine-functionalized silicas possible application of amine functionalized mesoporous silicas in the puriﬁcation of natural or biogas sources. Solid-state NMR High pressure adsorption, up to 10 bar, showed a strong
Chemical Engineering Journal – Elsevier
Published: Mar 15, 2018
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