Liquid purification or separation – Filter – Movable medium
Patent
1975-01-31
1977-01-04
Hart, Charles N.
Liquid purification or separation
Filter
Movable medium
210404, B01D 3306
Patent
active
040011194
ABSTRACT:
The following invention discloses improvements in thickening devices used in the art of separating solid particles from liquids in a slurry of such particles and liquid having the method steps of causing an imperfectly filtered filtrate to flow by gravity to one outlet and a more perfectly filtered filtrate to flow by gravity toward another outlet.
REFERENCES:
patent: 770307 (1904-09-01), Parker
patent: 917305 (1909-04-01), Johnson
patent: 1360684 (1920-11-01), Roberts
patent: 1859642 (1932-05-01), Woodworth
patent: 2289762 (1942-07-01), Duvall
patent: 2534760 (1950-12-01), Ellila
patent: 2669909 (1954-02-01), Gibson
patent: 2685235 (1954-08-01), Lindblad
patent: 2732080 (1956-01-01), Strindlund
patent: 2765085 (1956-10-01), Strindlund
patent: 3043742 (1962-07-01), Chaplin
Hart Charles N.
Hill K. M.
Mukai R. G.
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