High-purity water producing apparatus

Liquid purification or separation – With means to add treating material – Plural distinct separators

Reexamination Certificate

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Details

C210S259000, C210S266000, C210S282000, C210S900000

Reexamination Certificate

active

06951609

ABSTRACT:
A module filled with an organic porous ion exchanger is placed midway on a pipe for transporting high-purity water to be supplied to a point-of-use. As the organic porous ion exchanger is used an organic porous ion exchanger having a three-dimensional mesh structure with mesopores, having an average diameter of 1 μm to 1000 μm, in a wall between interconnected macropores and in which an ion exchange group is uniformly distributed and an ion exchange capacity is 0.5 mg equivalent weight/gram of dried porous body or greater.

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