Continuous ion exchange apparatus

Details Continuous ion exchange apparatus Continuous ion exchange apparatus

1994-12-27

1996-12-03

Cintins, Ivars

Liquid purification or separation

Flow, fluid pressure or material level, responsive

Maintaining stream pressure or flow

210177, 210189, 210266, 210268, 210269, 210284, B01J 4714

Patent

active

055804454

ABSTRACT:
Disclosed is a novel continuous ion exchange apparatus capable of performing both ion exchange treatment and regeneration treatment within a single column by the use of ion exchange resin(s) whose ion exchange abilities can be regenerated by acid or alkali. The apparatus comprises a resin column or two including an adsorption zone, a washing zone, a regenerating zone sequentially sectioned from the bottom toward the top; a resin extraction transfer means for withdrawal the ion exchange resin from the bottom of the column and transferring them to a metering container disposed on the top of the column; a resin supply means for supplying the ion exchange resin within the metering container to the top of the column, a water passage system allowing the supply of feed water into the interior of the column from the bottom of the adsorption zone and allowing discharge of the treated water from the top of the adsorption zone to the exterior of the column; and a regenerant passage system allowing the supply of the regenerant from the bottom of the regeneration zone into the interior of the column and discharge of regenerant waste from the top of the regeneration zone to the exterior of the column.

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Chemical Engineering Progress, vol. 65, No. 6, Jun. 1969, pp. 59-62, Irwin R. Higgins, "Continuous Ion Exchange of Process Water".
Ion Exchange, A Countercurrent Solid-Liquid Contact For Continuous Ion Exchange, Irwin R. Higgins et al.; New York 1954, pp. 87-92.
Demineralization By Ion Exchange, In Water Treatment and Chemical Processing Of Other Liquids, New York and London, 1968, Samuel B. Applebaum, pp. 341-355.
Water Treatment Handbook, Fifth Edition, 1979, pp. 333-337.

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