high gradient magnetic separation for hematit iron ore
· High gradient magnetic separation in centrifugal field. Jul 01, 2015· 1. Introduction. High gradient magnetic separation (HGMS) is a powerful and useful technique for the recovery of fine weakly magnetic particles (Svoboda, 2001).In the recent decades, HGMS has undergone significant advancements and its appliions has expanded with the beneficiation of hematite, limonite, ilmenite .