Method of applying a layer of ion-exchange resin to a support matrix, permeable to liquid, in a filter element
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United States of America Patent
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Nov 22, 1988
Grant Date -
N/A
app pub date -
Apr 24, 1987
filing date -
Apr 28, 1986
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A layer of small-sized particles of an organic ion exchange resin is applied to a support matrix, permeable to liquid, of a filter element (7) which is arranged in a chamber (5) in an ion-exchange filter (1) for filtering of liquids containing radioactive constituents. The filter and a mixer (11), consisting of a tube with a number of stationary mixing elements arranged one after the other in the longitudinal direction of the tube, are arranged in a circulation system (10) for water. The mixing elements successively divide up a material flow, supplied at the inlet end of the mixer, into a number of sub-flows containing different parts of the original material flow and the sub-flows are reunited, before they reach the outlet end of the tube. Suspended ion-exchange resin (13a, 16a) is supplied to the inlet end (11a) of the mixer for the circulating water while the water is being circulated in the circulation system. A coating of the ion-exchange resin with predetermined and reproducible properties is obtained on each filter element.
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