In situ solidification of ion exchange beads

Details In situ solidification of ion exchange beads In situ solidification of ion exchange beads

G - Physics

21

F

18/958

G21F 9/12 (2006.01) G21F 9/30 (2006.01)

Patent

CA 1208865

ABSTRACT OF THE DISCLOSURE This invention is directed to a method of solidifying an ion exchange bed composed of ion exchange beads which have been employed to remove ionic species from an aqueous solution which comprises: (a) introduc- ing into and through the ion exchange bed contained in a container a sufficient quantity of a liquid solidifi- cation resin comprising a vinyl ester resin, an unsatu- rated polyester resin or a mixture of the two, and a suitable catalyst to cause the resin to cure, to inter- mix with and encapsulate said ion exchange beads in said container, said resin mixture being flowed through the bed in plug flow, and (b) curing said resin in situ in said container to thereby form a uniform solidifica- tion mixture of said beads and resin in said container. When the ion exchange bed contains free water, the process also effects the removal of substantial portions of the free water and also emulsifies and solidifies free water remaining in the bed.

428363

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