Magnetic separation of electrically conducting particles from no

Details Magnetic separation of electrically conducting particles from no Magnetic separation of electrically conducting particles from no

1984-03-16

1988-05-10

Schor, Kenneth M.

Classifying, separating, and assorting solids

Magnetic

209214, 209216, 209227, B03C 100, B03C 122

Patent

active

047433647

ABSTRACT:
A magnetic process and apparatus for separating out small electrically conductive particles dispersed in a finely ground, relatively non-conductive medium by means of magnetic fields. More specifically, a steady or relatively slowly varying field is provided, and a higher frequency magnetic field induces magnetic dipoles into the conducting particles, which are displaced by the steady magnetic field to thereby effect separation. The magnetic separation process selectively applies a force on a conductive particle so as to either remove it from the bulk of the non-conductive material or increase the concentration of conductive particles in a given volume of space. The effectiveness of the separation process improves with increasing size of the particle; however, the process can be used for particle sizes that would be classed as "very fine".

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