Importance

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Abstract

An electrodeionization apparatus and method of use includes an expanded conductive mesh electrode. The expanded conductive mesh electrode may be formed from any conductive material that is dimensionally stable and may be coated with conductive coating. The expanded conductive mesh electrodes typically have a diamond-shaped pattern of any size that provides support for an adjacent ion-permeable membrane while allowing an electrode or fluid stream to flow through. The conductive mesh electrode may also be placed against an endblock having fluid channels. These channels may be serpentine or parallel channels, which allow fluid flow to wash away any accumulation. The electrodeionization apparatus may have a protective ion-permeable membrane adjacent the electrode. The electrodeionization apparatus may also have a spacer, such as a fabric, a screen or a mesh, positioned adjacent the electrode.

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First Claim