Abstract
Cylindrical magnetic medium (rod matrix) serves as the carrier for magnetic particles in pulsating high gradient magnetic separation (PHGMS), which has been widely applied to beneficiate hematite, ilmenite, limonite, siderite, wolframite, etc., in the mineral processing industry and to purify wastewater. The arrangement of rod elements in the matrix plays a decisive role in the magnetic field distribution and in the movement of particles in the matrix, thus generating a significant influence on the performance of PHGMS. The effect of feed solids on PHGMS is investigated in the 3 mm rod matrix of different spacings between rods in a single matrix layer, by Slice-Matrix Analysis; it was found that there is a maximum feed solids for a given matrix; beyond this feed solids, the performance of PHGMS deteriorates significantly.
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