Backwash multiple alluvial filter and method of filtering therew

Details Backwash multiple alluvial filter and method of filtering therew Backwash multiple alluvial filter and method of filtering therew

1982-06-29

1984-03-27

Hart, Charles N.

Liquid purification or separation

Processes

Separating

210791, 2103232, 2103331, 210108, B01D 3512, B01D 2924, B01D 2938

Patent

active

044393270

ABSTRACT:
A backwashing alluvial filter has a vertical filter container, a plurality of collecting pipes removably mounted in the container, a plurality of filter elements suspended on the collecting pipes, separating walls subdividing the interior of the filter container into at least two chambers, and communicating with one another via vertical overflow shafts. Washing off of solid matter is performed by supplying a washing liquid via pipes directly under the overflow shafts.

REFERENCES:
patent: 2391716 (1945-12-01), Koupal
patent: 2748077 (1956-05-01), Hodan et al.
patent: 3682306 (1972-08-01), Gaudfrin
patent: 4088579 (1978-05-01), Kocsanyi et al.
patent: 4162973 (1979-07-01), Lynch

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