Method for preparing an ion exchange media

B - Operations – Transporting – 01 – D

Patent

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B01D 61/48 (2006.01) B01J 39/04 (2006.01) B01J 47/00 (2006.01) B01J 47/08 (2006.01) C02F 1/469 (2006.01) C02F 1/42 (2006.01)

Patent

CA 2502554

This invention presents an ion exchange media including a plurality of cation exchange zones (C) and anion exchange zones (A) in flow paths that are contained in a substantially nonporous resin transport framework. During electrodeionization and other potential applications the ion exchange media of the invention prevents unfavorable water splitting at resin-membrane interfaces and encourages water splitting at resin-resin interfaces where the water splitting may be constructively used to regenerate the resin.

L'invention concerne un milieu d'échange d'ions comprenant une multitude de zones d'échange d'ions et de zones d'échange d'anions dans des circuits d'écoulement contenus dans une structure de transport en résine essentiellement non poreuse. Pendant l'électrodésionisation et pendant d'autres applications puissantes, le milieu d'échange d'ions décrit dans cette invention permet d'empêcher la séparation de l'eau au niveau des interfaces entre la résine et la membrane et de favoriser cette séparation de l'eau au niveau des interfaces résine-résine où la séparation d'eau peut être utilisée de manière utile pour régénérer la résine.

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