| 摘要 |
PROBLEM TO BE SOLVED: To provide a filter member capable of suppressing falling of ion exchange resin particles.SOLUTION: A sheet-like filter member for removing ion includes: ion exchange resin particles 1 expanding by at least either of swelling and adsorption of ion, and contracting by at least either of drying and separation of ion; and a binder 2 whose shape is changed reversibly following expansion and contraction of the ion exchange resin particles 1. |
