Ferrohydrostatic separation method and apparatus

Details Ferrohydrostatic separation method and apparatus Ferrohydrostatic separation method and apparatus

2005-02-08

2005-02-08

Walsh, Donald P (Department: 3653)

Classifying, separating, and assorting solids

Plural, diverse separating operations

Magnetic and fluid suspension

C209S232000

Reexamination Certificate

active

06851557

ABSTRACT:
The invention concerns in one aspect, a ferrohydrostatic separation method in which a ferrofluid is used to separate materials of different density. In the method, the apparent density of the ferrofluid is controlled by means of a vertically orientated magnetic field generated by a C-dipole, open dipole (O-dipole) or split pair electromagnet or permanent magnet. Other aspects of the invention include an apparatus for use in this method and a process for separating materials of different density using the method.

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