Liquid purification or separation – Magnetic
Patent
1976-04-12
1978-08-29
Granger, Theodore A.
Liquid purification or separation
Magnetic
209223R, 209232, B01D 3506
Patent
active
041102223
ABSTRACT:
The apparatus comprises a magnet for establishing a magnetic field in a first zone, and a separating chamber. The separating chamber is provided with an inlet and an outlet for fluid and contains a fluid-permeable packing of magnetizable material between the inlet and the outlet. One or more parts of the separating chamber consist of magnetic field concentrating means constituted by ferromagnetic material. This part (or each of these parts) would otherwise occupy a region of relatively low magnetic field intensity when the separating chamber is within the first zone and a magnetic field was established in the first zone by means of the magnet. The remainder of the separating chamber consists of substantially non-magnetizable material. Means are provided for moving the separating chamber into, and out of, the first zone and for passing fluid containing magnetizable particles through the separating chamber when within that zone so that magnetizable particles are magnetized and captured in the packing. Means are provided for removing the captured particles from the packing when the separating chamber is in a second zone remote from the first zone.
REFERENCES:
patent: 3503504 (1970-03-01), Bannister
patent: 3567026 (1971-03-01), Kolm
patent: 3627678 (1971-12-01), Marston
patent: 3770629 (1973-11-01), Nolan
patent: 3819515 (1974-06-01), Allen
patent: 3887457 (1975-06-01), Marston et al.
patent: 3920543 (1975-11-01), Marston
Magnetic Properties of the Nickel-Iron-Alloys,- U.S. Pat Ofc. Sci. Library-Jan. 1950.
English Clays Lovering Pochin & Company Limited
Granger Theodore A.
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