Classifying – separating – and assorting solids – Magnetic – Paramagnetic
Patent
1977-07-15
1980-07-29
Hill, Ralph J.
Classifying, separating, and assorting solids
Magnetic
Paramagnetic
209223R, 209225, B03C 122
Patent
active
042149843
ABSTRACT:
A process is disclosed for separating a relatively more magnetic material from a relatively less magnetic material comprising passing the material being processed through a plurality of regions, each region having a relatively more magnetic segment and a relatively less magnetic segment, such that the plurality of regions are arranged so as to comprise alternating relatively more magnetic and relatively less magnetic segments, which regions are aligned at an angle other than 90.degree. in the plane of the surface of the regions to the direction of the resultant nonmagnetic forces such that the relatively more magnetic material has a tendency to travel at an angle to the direction of flow of the relatively less magnetic material thereby effecting the separation. Preferably each of the regions is aligned from 0.degree. to about 30.degree. with respect to each adjacent region.
REFERENCES:
patent: 455985 (1891-07-01), Fiske
patent: 3289836 (1966-12-01), Weston
patent: 3850811 (1974-11-01), Wheelock
patent: 4003830 (1977-01-01), Schloemann
Magnetic Separation of Ores, U.S. Bureau of Mines, Bulletin 425.
Handbook of Mineral Dressing, Taggart, 1927, John Wiley and Sons, Inc.
Hackh's Chemical Dictionary, 3rd Edition, Julius Grant, McGraw-Hill Book Co., Inc.
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