Electrical deionization apparatus

C - Chemistry – Metallurgy – 02 – F

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Details

C02F 1/469 (2006.01) B01D 61/48 (2006.01)

Patent

CA 2511868

It is an object of the present invention to provide an electrical deionization apparatus having a novel constitution with excellent deionization efficiency. As means for solving this problem, according to one embodiment of the present invention, there is provided an electrical deionization apparatus having deionization compartments, concentration compartments and electrode compartments partitioned from one another by a plurality of ion exchange membranes between a cathode and an anode, wherein, in the deionization compartments and/or the concentration compartments and/or the electrode compartments, at least one of anion exchange fibrous material layers and cation exchange fibrous material layers are disposed on one another intersecting a water-passing direction.

L'invention concerne un déminéralisateur électrique présentant une efficacité de déminéralisation excellente, dans lequel une chambre de déminéralisation, une chambre de concentration et une chambre d'électrode cloisonnée par une pluralité de membranes échangeuses d'ions sont formées entre une cathode et une anode selon un mode de réalisation. L'invention est caractérisée en ce qu'au moins des couches de matières fibreuses échangeuses d'ions ou des couches de matières fibreuses échangeuses de cations sont disposées de manière empilée dans la chambre de déminéralisation et/ou dans la chambre de concentration et/ou dans la chambre d'électrode transversalement les unes par rapport aux autres dans un sens perméable à l'eau.

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