Liquid purification or separation – Plural chambers with movement of granules therebetween
Patent
1986-11-12
1988-01-12
Cintins, Ivars
Liquid purification or separation
Plural chambers with movement of granules therebetween
210268, 210275, 210284, B01J 4900
Patent
active
047190108
ABSTRACT:
A back rinse arrangement for ion exchange resin in an ion exchange bed through which a liquid to be treated flows in a substantially vertical direction to have contaminants captured therefrom in the ion exchange resin includes an inlet chamber arranged at a lower region of the fixed bed, an injector that opens into the inlet chamber and has a transporting and rinsing liquid selectively supplied thereto, and a conveying and cleansing pipe which extends vertically through the fixed bed and provided with an outlet opening at its upper end. The particulate ion exchange resin, which is particulate or granular, is gradually withdrawn by the flowing transporting and rinsing liquid from the lower region of the fixed bed, and is conveyed through the conveying and cleansing pipe, with simultaneous performance of a cleansing action, to the upper region of the fixed body which gradually descends as the ion exchange material is being withdrawn from its bottom region. The transporting and rinsing liquid which has been contaminated by the contaminants released from the ion exchange resin during its regeneration is removed from the fixed bed.
REFERENCES:
patent: 1745421 (1930-02-01), Higgins
patent: 3667604 (1972-06-01), Lagoutte
patent: 4197201 (1980-04-01), Hjelmner et al.
patent: 4330401 (1982-05-01), Boze et al.
Cillich mie Ernst Vogelmann GmbH & Co.
Cintins Ivars
Teltscher Erwin S.
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