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Composite membranes with cross-linked matrimid selective layer for gas separation
Autori: Carmen Nistor, Marcel Popa, Sergey Shishatskiy, Suzana Pereira Nunes
Data aparitiei: November/December 2008
Revista: Environmental Engineering and Management JournalVol. 7Nr. 6
ISSN: 1843 - 3707
Pret: Gratuit    
Format PDF Format PDF
Abstract
In the present work, composite membranes were developed for separation of hydrogen from its mixtures with other gases. The composite membranes were characterized by single gas permeation and scanning electron microscopy. Gas transport properties have been determined for four gases (H2, CH4, N2, CO2). The influence of cross-linking on transport was measured. H2/CH4 selectivity values up to 115 were obtained. The resulting membranes have a selectivity of H2/CH4 close to intrinsic selectivity of Matrimid 5218.



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