Composite nanoparticle stabilized core carbon molecular sieve hollow fiber membranes having improved permeance

Composite nanoparticle stabilized core carbon molecular sieve hollow fiber membranes having improved permeance

Disclosed herein are asymmetric multilayer carbon molecular sieve ("CMS") hollow fiber membranes and processes for preparing the membranes. The processes include simultaneously extruding a core dope containing a polymer and suitable nanoparticles, a sheath dope, and a bore fluid, followed...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: Zhang, Kuang, Koros, William John
Format: Patent
Sprache:eng
Schlagworte:
PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
SEPARATION
TRANSPORTING
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Beschreibung
Zusammenfassung:Disclosed herein are asymmetric multilayer carbon molecular sieve ("CMS") hollow fiber membranes and processes for preparing the membranes. The processes include simultaneously extruding a core dope containing a polymer and suitable nanoparticles, a sheath dope, and a bore fluid, followed by pyrolysis of the extruded fiber.