Cross-flow membrane module

Details Cross-flow membrane module Cross-flow membrane module

B - Operations, Transporting

01

D

B01D 63/08 (2006.01) B01D 61/00 (2006.01) B01D 69/06 (2006.01)

Patent

CA 2631503

Liquid-liquid extraction elements are described. A liquid-liquid extraction element includes a first layer pair and a second layer pair disposed adjacent the first layer pair forming a stack of layers. The first layer pair includes a first polymeric microporous membrane, and a first flow channel layer oriented in a first flow direction having a fluid inlet and a fluid outlet disposed on first opposing sides of the extraction element. The second layer pair includes a second polymeric microporous membrane and a second flow channel layer oriented in a second flow direction different than the first flow direction and having a fluid inlet and a fluid outlet disposed on second opposing sides of the extraction element. The first microporous membrane is disposed between the first flow channel and the second flow channel. Methods of extracting a dissolved solute from a first liquid to a second liquid are also described.

L~invention concerne des éléments d~extraction liquide-liquide. Un élément d~extraction liquide-liquide comprend une première paire de couches et une seconde paire de couches disposée de manière adjacente par rapport à la première paire de couches, formant une pile de couches. La première paire de couches comprend une première membrane microporeuse polymérique et une première couche de canal d~écoulement orientée dans une première direction d~écoulement, munie d~un orifice d~entrée de fluide et d~un orifice de sortie de fluide disposés sur les premiers côtés opposés de l~élément d~extraction. La seconde paire de couches comprend une seconde membrane microporeuse polymérique et une seconde couche de canal d~écoulement orientée dans une seconde direction d~écoulement différente de la première direction d~écoulement et munie d~un orifice d~entrée de fluide et d~un orifice de sortie de fluide disposés sur les seconds côtés opposés de l~élément d~extraction. La première membrane microporeuse est disposée entre le premier canal d~écoulement et le second canal d~écoulement. L~invention concerne également des procédés d~extraction d~un soluté dissous d~un premier liquide vers un second liquide.

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