C - Chemistry – Metallurgy – 02 – F
Patent
C - Chemistry, Metallurgy
02
F
C02F 1/469 (2006.01) C02F 1/46 (2006.01)
Patent
CA 2656468
Electrodeionisation devices having low scale potential as well water treatment methods using the device are disclosed. The device may have a variety of configurations such as a first depleting compartment disposed between the anode compartment and the cathode compartment, a concentrating compartment in ionic coummunication with the depleting compartment, a second depleting compartment in ionic communication with the concentrating compartment and a first barrier cell in ionic communication with and disposed between the first depleting compartment and at lest one of the anode compartment and the cathode compartment. The device may also have configuration directed to the layering of the anionic exchange resin beads and/or have at l-east one compartment that provides a dominating resistance resulting in a uniform current distribution throughout the apparatus. Temperature control may be provided. It is also possible to arrange for parallel liquid flow.
La présente invention concerne un dispositif de traitement électrochimique présentant un potentiel à petite échelle. Le dispositif présente une variété de configurations orientées vers la lamination de l'échange anionique et de l'échange cationique. Le dispositif de traitement peut également comprendre des baguettes de résine d'échange d'ions de taille inégale et/ou au moins un compartiment qui offre une résistance dominante se traduisant par une distribution de courant uniforme à travers l'appareil.
Arba John W.
Freydina Evgeniya
Gifford Joseph D.
Jha Anil D.
Liang Li-Shiang
Siemens Industry Inc.
Siemens Water Technologies Corp.
Smart & Biggar
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