B - Operations – Transporting – 01 – D
Patent
B - Operations, Transporting
01
D
B01D 61/36 (2006.01) B01D 61/00 (2006.01) B01D 61/24 (2006.01) B01D 63/02 (2006.01)
Patent
CA 2198872
A method and system (10) for extracting a solute from a fluid or a dense gas may include a dense gas supply (12) and a gas supply line (48) for delivering a dense gas to a pressure equalization chamber (122) and to a pressurizable module (16) containing a bundle of porous hollow fibers. The system (10) also may include a fluid supply (14) and fluid supply line (40) for delivering a fluid to the chamber (122) and to the module (16). The chamber (122) includes a floating diaphragm (26) and serves to substantially equalize the pressure of the fluid and dense gas so that the pressure on both sides of the membranes in the module (16) is essentially the same. At least one of the fluid and dense gas contains a solute to be extracted, while the other one serves as an extracting medium. Solute extraction is driven by the concentration gradient of the solute across the membrane.
Procédé et système (10) d'extraction d'un soluté à partir d'un fluide ou un gaz dense, comprenant une alimentation en gaz dense (12) et une ligne d'alimentation en gaz (48) pour amener un gaz dense dans une chambre d'égalisation de pression (122) et dans un module pressurisable (16) contenant un faisceau de fibres creuses poreuses. Le système (10) peut également comprendre une alimentation de fluide (14) et une ligne d'alimentation de fluide (40) pour amener un fluide dans la chambre (122) et dans le module (16). La chambre (122) comprend un diaphragme flottant (26) et sert à égaliser sensiblement la pression du fluide et du gaz dense afin que des deux côtés des membranes dans le module (16) la pression soit essentiellement identique. Au moins l'un des deux, à savoir le fluide et le gaz dense, contient un soluté à extraire tandis que l'autre sert de milieu d'extraction. L'extraction du soluté est piloté par le gradient de concentration de soluté à travers la membrane.
Robinson James R.
Sims Marc J.
Macrae & Co.
Marc Sims S.f.e.
Porocrit Llc
Robinson James R.
Separation Equipment Technologies Inc.
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