Classifying – separating – and assorting solids – Treatment subsequent
Patent
1975-12-12
1977-07-12
Custer, Jr., Granville Y.
Classifying, separating, and assorting solids
Treatment subsequent
241 24, 241DIG38, 209211, B03B 534
Patent
active
040348610
ABSTRACT:
A process and apparatus for recovering useable materials from discarded scrap material, such as junked automobiles, is disclosed in which non-ferrous metals are separated from non-metals in a hydrocyclone using water as the aqueous separating medium. A particulate scrap/water suspension is injected into the cylindrical area of the hydrocyclone and a predominently non-metal-containing portion is removed from an overflow area of the cyclone while the non-ferrous metal containing portion is removed from the apex area of the cyclone. If required, the scrap material is preferably pulverized prior to treatment and is subjected to a ferrometallic separation operation if such metals are present.
REFERENCES:
patent: 2793748 (1957-05-01), Herkenhoff
patent: 3306671 (1967-02-01), Leeman
patent: 3379308 (1968-04-01), Horiuchi
patent: 3582001 (1971-01-01), Rose
patent: 3603514 (1971-09-01), Williams
patent: 3687286 (1972-08-01), Weiss
patent: 3735869 (1973-05-01), Carpenter et al.
patent: 3887456 (1975-06-01), Loughner
patent: 3897215 (1975-07-01), Davidson, Jr. et al.
Dreissen Hubert H.
Fontein Freerk J.
Custer, Jr. Granville Y.
Stamicarbon B.V.
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