Gas separation by adsorbent membranes

Details Gas separation by adsorbent membranes Gas separation by adsorbent membranes

B - Operations, Transporting

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183/1, 117/88.5

B01D 53/22 (2006.01) B01D 69/00 (2006.01) B01D 69/10 (2006.01) B01D 69/12 (2006.01) B01D 69/14 (2006.01) B01D 71/02 (2006.01) C10G 70/04 (2006.01)

Patent

CA 2029484

Composite semipermeable membranes comprising porous adsorptive material supported by a porous substrate are disclosed for use in a process for the separation of multicomponent gas mixtures. In the separation process, one or more primary components adsorb within the pores of the adsorptive material and diffuse by surface flow through the membrane to yield a permeate stream enriched in one or more of the primary components. Methods for making the composite membranes are described.

Cette invention concerne des membranes composites semi-perméables renfermant un matériau adsorbant poreux déposé sur un substrat poreux et servant à la séparation de mélanges gazeux. Le procédé de séparation repose sur l'adsorption d'un ou de plusieurs constituants primaires par les pores du matériau adsorbant et la diffusion par écoulement de surface à travers la membrane pour la production d'un perméat enrichi d'un ou de plusieurs de constituants primaires. Cette invention concerne également des méthodes de fabrication desdites membranes composites.

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