Spirally wound membrane device having three separate channels

Details Spirally wound membrane device having three separate channels Spirally wound membrane device having three separate channels

B - Operations, Transporting

01

D

B01D 63/10 (2006.01) B01D 53/22 (2006.01) B01D 63/12 (2006.01)

Patent

CA 2124200

2124200 9310889 PCTABS00022 A spiral wound membrane separation device providing three fluid flow channels separated by semi-permeable membranes (4, 7) is disclosed. When enclosed in a containment vessel each fluid flow channel may be connected by ports to external fluid connections. Both closed ended flow into, and flow through, each channel is possible. A method of separating a selected segment of components of a fluid mixture is disclosed. The module is particularly useful for the separation of gases from a gas mixture by a chemically facilitated separation method such as chemical absorption. An absorbant fluid can be circulated in one membrane channel. The gas mixture is enclosed in a separate channel separated from the absorbant fluid by a semi-permeable membrane (4). The selected absorbed gas component may be removed from the absorbant fluid through a second (7) semi-permeable membrane enclosing a third membrane flow channel in contact with the absorbant fluid.

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