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Polymer Derived Ceramic Membranes for Gas Separation

Jüttke, Yvonne ; Richter, Hannes ; Voigt, Ingolf ; Prasad, Ravi M. ; Bazarjani, Mahdi S. ; Gurlo, Aleksander ; Riedel, Ralf (2013)
Polymer Derived Ceramic Membranes for Gas Separation.
In: Chemical Engineering Transactions , 32
Artikel, Bibliographie

Kurzbeschreibung (Abstract)

Ceramic membranes based on polymer derived ceramics (PDCs) like silicon oxycarbide (SiOC) and silicon carbonitride (SiCN) offer an attractive combination of physical and chemical properties like chemical inertia, high mechanical strength and high temperature resistance. SiOC and SiCN membranes were deposited as thin layers by coating on top of tubular asymmetric porous ceramic substrates starting from a polymeric precursor solution followed by crosslinking and pyrolysis above 600 °C in inert atmosphere. High ideal permselectivities were achieved at 300 °C. SiOC membrane showed nearly ten times higher permeances of hydrogen to carbon dioxide and therefore possessed molecular sieving properties in separation of H2/CO2. A comparable SiCN membrane had a very low H2/CO2 ideal permselectivity but promising results for the other ideal permselectivities.

Typ des Eintrags: Artikel
Erschienen: 2013
Autor(en): Jüttke, Yvonne ; Richter, Hannes ; Voigt, Ingolf ; Prasad, Ravi M. ; Bazarjani, Mahdi S. ; Gurlo, Aleksander ; Riedel, Ralf
Art des Eintrags: Bibliographie
Titel: Polymer Derived Ceramic Membranes for Gas Separation
Sprache: Englisch
Publikationsjahr: 2013
Verlag: AIDIC
Titel der Zeitschrift, Zeitung oder Schriftenreihe: Chemical Engineering Transactions
Jahrgang/Volume einer Zeitschrift: 32
Kurzbeschreibung (Abstract):

Ceramic membranes based on polymer derived ceramics (PDCs) like silicon oxycarbide (SiOC) and silicon carbonitride (SiCN) offer an attractive combination of physical and chemical properties like chemical inertia, high mechanical strength and high temperature resistance. SiOC and SiCN membranes were deposited as thin layers by coating on top of tubular asymmetric porous ceramic substrates starting from a polymeric precursor solution followed by crosslinking and pyrolysis above 600 °C in inert atmosphere. High ideal permselectivities were achieved at 300 °C. SiOC membrane showed nearly ten times higher permeances of hydrogen to carbon dioxide and therefore possessed molecular sieving properties in separation of H2/CO2. A comparable SiCN membrane had a very low H2/CO2 ideal permselectivity but promising results for the other ideal permselectivities.

Fachbereich(e)/-gebiet(e): 11 Fachbereich Material- und Geowissenschaften > Materialwissenschaft > Fachgebiet Disperse Feststoffe
11 Fachbereich Material- und Geowissenschaften > Materialwissenschaft
11 Fachbereich Material- und Geowissenschaften
Hinterlegungsdatum: 11 Jun 2014 10:49
Letzte Änderung: 11 Jun 2014 10:49
PPN:
Sponsoren: The authors thank the Deutsche Forschungsgemeinschaft (DFG) for the financial support within the framework of the DFG program “Adaptive surfaces for high temperature applications“ (SPP 1299).
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