Classifying – separating – and assorting solids – Magnetic – Paramagnetic
Patent
1975-07-25
1976-10-12
Halper, Robert
Classifying, separating, and assorting solids
Magnetic
Paramagnetic
209223R, 210222, B03C 100
Patent
active
039856461
ABSTRACT:
A method for effecting magnetic separation of magnetically attractable particles dispersed in a fluid carrier, as for example weakly magnetic discoloring contaminants dispersed in a clay slurry. The dispersion is passed through a ferromagnetic filamentatious matrix within a canister disposed in a magnetic field. The matrix is part of a magnetic separator system characterized by a separation parameter p, where p is a function of the geometry and magnetic and electrical properties of the separating apparatus; and of the rheological and magnetic properties of the dispersion. By determinately setting the controllable parameters associated with the aforementioned properties which affect p, a desired attenuation in the population of contaminant species is achieved. Optimized apparatus configurations are also disclosed, which configurations are based upon the discovered relationships.
REFERENCES:
patent: 3471011 (1969-10-01), Iannicelli
patent: 3551897 (1965-10-01), Cooper
patent: 3567026 (1971-02-01), Kolm
patent: 3627678 (1971-12-01), Marston
patent: 3834529 (1974-09-01), Mart
Chem. Abst., 70, 1969, 39880g.
Flanders Harold H.
Halper Robert
J. M. Huber Corporation
Matthews Guy E.
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