Membrane support module for permeate separation in a fuel cell

B - Operations – Transporting – 01 – D

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Details

B01D 63/08 (2006.01) B01D 71/02 (2006.01) C01B 3/50 (2006.01)

Patent

CA 2737354

A gas separation unit (102,200,300) for permeating a gas out from a pressurized feed mixture includes an input manifold (104,204), an exhaust manifold, (106,206) and a permeate assembly (108,208,303). The permeate assembly supports one or more permselective foils (130,132,218,232,318) over a hollow cavity (134,272,306) supported by a microscreen element (142,144,228,230,326). The microscreen element includes non-porous perimeter walls (190,192,278) supported on a frame surface and a porous central area (194,280) supported over the hollow cavity. A porous spacer (138,140,174,234) disposed inside the hollow cavity structurally supports the entire microscreen surface spanning the hollow cavity while also providing a void volume for receiving fluid passing through the porous central area and for conveying the fluid through the hollow cavity.

Une unité de séparation de gaz (102, 200, 300) pour filtrer un gaz en sortie d'un mélange d'alimentation mis sous pression comprend un collecteur d'entrée (104, 204), un collecteur de sortie, (106, 206) et un ensemble de perméat (108, 208, 303). L'ensemble de perméat supporte une ou plusieurs feuilles permsélectives (130, 132, 218, 232, 318) sur une cavité creuse (134, 272, 306) supportée par un élément microtamis (142, 144, 228, 230, 326). L'élément microtamis comprend des parois périphériques non poreuses (190, 192, 278) supportées sur une surface cadre et une région centrale poreuse (194, 280) supportée sur la cavité creuse. Un espaceur poreux (138, 140, 174, 234) disposé à l'intérieur de la cavité creuse supporte structuralement la totalité de la surface de microtamis couvrant la cavité creuse tout en fournissant également un volume vide pour recevoir le fluide passant à travers la région centrale poreuse et pour transporter le fluide à travers la cavité creuse.

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