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High-Flux Carbon Molecular Sieve Membranes for Gas Separation.
Richter, Hannes; Voss, Hartwig; Kaltenborn, Nadine; Kämnitz, Susanne; Wollbrink, Alexander; Feldhoff, Armin; Caro, Jürgen; Roitsch, Stefan; Voigt, Ingolf.
Afiliación
  • Richter H; Fraunhofer Institute for Ceramic Technologies and Systems, IKTS-Hermsdorf branch, Michael-Faraday-Strasse 1, 07629, Hermsdorf, Germany.
  • Voss H; BASF SE, Membrane Separation Processes, GCP/TC-L 540, 67056, Ludwigshafen, Germany.
  • Kaltenborn N; Fraunhofer Institute for Ceramic Technologies and Systems, IKTS-Hermsdorf branch, Michael-Faraday-Strasse 1, 07629, Hermsdorf, Germany.
  • Kämnitz S; Fraunhofer Institute for Ceramic Technologies and Systems, IKTS-Hermsdorf branch, Michael-Faraday-Strasse 1, 07629, Hermsdorf, Germany.
  • Wollbrink A; Leibniz University Hannover, Institute for Physical Chemistry and Electrochemistry, Callinstrasse 3A, 30167, Hannover, Germany.
  • Feldhoff A; Leibniz University Hannover, Institute for Physical Chemistry and Electrochemistry, Callinstrasse 3A, 30167, Hannover, Germany.
  • Caro J; Leibniz University Hannover, Institute for Physical Chemistry and Electrochemistry, Callinstrasse 3A, 30167, Hannover, Germany.
  • Roitsch S; University of Köln, Institute of Physical Chemistry, Luxemburger Strasse 116, 50939, Köln, Germany.
  • Voigt I; Fraunhofer Institute for Ceramic Technologies and Systems, IKTS-Hermsdorf branch, Michael-Faraday-Strasse 1, 07629, Hermsdorf, Germany.
Angew Chem Int Ed Engl ; 56(27): 7760-7763, 2017 06 26.
Article en En | MEDLINE | ID: mdl-28504418
Carbon membranes have great potential for highly selective and cost-efficient gas separation. Carbon is chemically stable and it is relative cheap. The controlled carbonization of a polymer coating on a porous ceramic support provides a 3D carbon material with molecular sieving permeation performance. The carbonization of the polymer blend gives turbostratic carbon domains of randomly stacked together sp2 hybridized carbon sheets as well as sp3 hybridized amorphous carbon. In the evaluation of the carbon molecular sieve membrane, hydrogen could be separated from propane with a selectivity of 10 000 with a hydrogen permeance of 5 m3 (STP)/(m2 hbar). Furthermore, by a post-synthesis oxidative treatment, the permeation fluxes are increased by widening the pores, and the molecular sieve carbon membrane is transformed from a molecular sieve carbon into a selective surface flow carbon membrane with adsorption controlled performance and becomes selective for carbon dioxide.
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Idioma: En Revista: Angew Chem Int Ed Engl Año: 2017 Tipo del documento: Article País de afiliación: Alemania Pais de publicación: Alemania
Texto completo
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Idioma: En Revista: Angew Chem Int Ed Engl Año: 2017 Tipo del documento: Article País de afiliación: Alemania Pais de publicación: Alemania