Liquid purification or separation – Particulate material type separator – e.g. – ion exchange or... – With spaced non-particulate separating means
Patent
1978-10-16
1982-03-16
Therkorn, Ernest G.
Liquid purification or separation
Particulate material type separator, e.g., ion exchange or...
With spaced non-particulate separating means
210275, 210282, 210289, B01D 2324, B01D 2712
Patent
active
043200044
ABSTRACT:
For removing iron from water the present apparatus has a bed of manganese zeolite particles above an outlet screen unit and below an inlet screen unit in a container. The container has enough empty space above the treatment bed to permit substantially all of its particles to be tumbled vigorously during backwash for effective removal of the accumulated iron and other impurities trapped in the treatment bed. Each screen unit includes a pair of split rings which hold foraminous screens between them and are radially contractable for slidable insertion in the container, after which they expand radially for a tight fit inside the container. Cross bars on each split ring reinforce the screens.
REFERENCES:
patent: 2167225 (1939-07-01), Van Eweyk
patent: 3101316 (1963-08-01), Rose
patent: 3763879 (1973-10-01), Jaworek
patent: 3951811 (1976-04-01), Casolo
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