modeling and optimization of process variables of IRMS was investigated to separate the hematite fines. A three-level Box–Behnken design combined with a response surface methodology RSM and quadratic programming QP was employed ...1 · Polymer-bridging flocculation performance of the ultrafine specular hematite. • High gradient magnetic separation behavior of ultrafine specular hematite flocs. • Interaction energy calculation between mineral particles based on EDLVO theory. • Interaction mechanism between starches and minerals in specular hematite ore.The beneficiation scheme involving size classification in a hydrocyclone followed by gravity separation (Falcon)
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