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2023102 · Historical situations repeat themselves, albeit with variations. Over a hundred years ago, iron and steel mills in the eastern United States were running short of cheap, high quality iron ore. Thomas Edison responded by developing an efficient means of extracting pure iron from low-grade magnetite. After spending over a decade in attaining …
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Abstract. The research is aimed at solving the topical problem of enhancing efficiency of iron ore magnetic separation by applying ultrasonic technologies to identify optimal technological parameters of magnetic separation, improving controlled structural parameters of a magnetic separator and pretreating slurry by high-energy ultrasound to clean the ore material …
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2023121 · Abstract High gradient magnetic separation technology is a green production technology that has an unparalleled superiority in separating fine and weak magnetic particles. As the characteristics of poor, fine, and heterogeneous in weakly magnetic mineral resources (hematite, wolframite, rhodochrosite, etc.), the importance of …
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Induced roll magnetic (IRM) separators ( Figure 13.19) are widely used to treat beach sands, wolframite and tin ores, glass sands, and phosphate rock. They have also been used to treat weakly magnetic iron ores, principally in Europe. The roll, onto which the ore is fed, is composed of phosphated steel laminates compressed together on a nonmagnetic …
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The Jones wet high-intensity magnetic separator (WHIMS) was developed in 1956. The structure of the Jones separator is shown in Figure 9.6 and consists mainly of an iron-core electromagnet, a vertical shaft with two (or more) separating rings, a driving system, and feeding and product collection devices.
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According to previous studies, reduction roasting combined with magnetic separation can effectively separate iron resources from BOLPO and other refractory iron-bearing solid residues [17]. In addition, the high-temperature direct reduction method can directly convert low-grade iron ore into raw materials for blast-furnace steelmaking [18]. However, this …
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20211124 · The effect of CaCO3, Na2CO3, and CaF2 on the reduction roasting and magnetic separation of high-phosphorus iron ore containing phosphorus in the form of Fe3PO7 and apatite was investigated. The results revealed that Na2CO3 had the most significant effect on iron recovery and dephosphorization, followed by CaCO3, the effect …
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202445 · Abstract Dry magnetic separation (DMS) has low selectivity for fine magnetic ores, due to the difficult dispersion of fine particles in the separation process. To address this problem, a novel centrifugal dry magnetic separation (cDMS) method was proposed to enhance the separation efficiency for fine particles. In this investigation, the …
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