Mechanical conditioning and flocculation of liquids

Details Mechanical conditioning and flocculation of liquids Mechanical conditioning and flocculation of liquids

1984-02-16

1984-12-25

Therkorn, Ernest G.

Liquid purification or separation

Processes

Making an insoluble substance or accreting suspended...

210202, 210208, 210219, 210520, C02F 152

Patent

active

044902603

ABSTRACT:
This invention relates to flocculation apparatus for the purification of liquids, particularly water, wherein provision is made for initial vigorous mixing of the coagulants in the liquid followed by a gradually diminishing agitation of the liquid and flocculent to provide proper flocculation; the apparatus comprising a circular flat bottomed chamber, a central circular well having openings through its wall spaced apart circumferentially and vertically, a plurality of radially extending rotatable arms supported above the chamber, each arm carrying downwardly depending blades spaced apart along the length of the arms and positioned to intersperse with a plurality of series of vertical fixed blades extending radially from the well, and upwardly from the floor of the chamber, the blades extending substantially the full depth of the chamber, at least one feed chamber in communication with the chamber through an opening in the wall thereof, means for rotating the arms and an outlet from the bottom of the well leading to a settling compartment.

REFERENCES:
patent: 2062988 (1936-12-01), Collow
patent: 2185785 (1940-01-01), Dorr
patent: 2253878 (1941-08-01), Weber
patent: 2274361 (1942-02-01), Darby
patent: 2276300 (1942-03-01), Green
patent: 2382409 (1945-08-01), Finney
patent: 2413692 (1947-01-01), Crowther
patent: 2425065 (1947-08-01), Kivari
patent: 3314547 (1967-04-01), Kivell
patent: 3532218 (1970-10-01), Blottnitz
patent: 4297221 (1981-10-01), Moll

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