Filter apparatus for removing contaminants from a fluid stream h

Details Filter apparatus for removing contaminants from a fluid stream h Filter apparatus for removing contaminants from a fluid stream h

1978-05-10

1980-09-23

Wyse, Thomas G.

Liquid purification or separation

Processes

Ion exchange or selective sorption

210264, 210268, 55387, 55479, B01D 2320

Patent

active

042241472

ABSTRACT:
An improved withdrawal means for removing spent adsorbent from the adsorber beds of a filter apparatus is disclosed comprising a fixed tube and a rotatable tube positioned concentrically and having a different pattern of slots through each so that a different portion of the slots in each come into an aligned relationship as the rotatable tube is rotated so that spent adsorbent can be pneumatically removed from zones where the slots are aligned. This withdrawal means allows the external selection of adsorbent withdrawal zones, which is especially important in filter apparatus used to filter fluids containing radioactive contaminants.

REFERENCES:
patent: 329305 (1885-10-01), Gaunt
patent: 335603 (1886-02-01), Matthiessen
patent: 1031886 (1912-07-01), Suykerbuyk
patent: 2678108 (1954-05-01), Reid
patent: 3270886 (1966-09-01), Sackett
patent: 3881899 (1975-05-01), Spulgis
patent: 3925046 (1975-12-01), Hickey et al.

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