Importance

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Abstract

A separation apparatus having a first tube having an inside diameter and a height, a second tube having an outside diameter and substantially the height of the first tube, the second tube concentric with the first tube, the tubes having a common center-line, a spiral track implemented between the first tube and the second tube, the spiral track descending along the first and second tubes, and a plurality of magnet assemblies positioned on an outside wall of the first tube, providing magnetic fields through the outside wall of the first tube into regions where the spiral track meets the inside diameter of the first tube. A material mixture is introduced at an upper end of the apparatus, entrained in water down the spiral track, and some of the magnetic particles are separated from the material mixture and retained in the magnetic field of individual ones of the magnet assemblies.

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First Claim