The Abu Tartur phosphate deposit is characterized by the presence of ferriferous dolomite, containing 60 to 70% of MgO, which allows the use of magnetic separation to reduce …
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In this paper, the chelating reagent EDTA is introduced to eliminate the adverse influence of calcium species and to restore the selectivity of magnesite-dolomite separation …
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Using a magnetic separation result, the beneficiation process was conducted with additional gravity separation for zircon to produce a valuable mineral concentrate. The process resulted in three kinds of mineral …
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The magnetic separation tailings of saprolite laterite ore containing magnesium processed by roasting and magnetic separation are used as raw materials, and the product of …
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In addition, the PCP collector shows improved efficiency of magnesite and dolomite separation [132], [133]. ... Magnesite concentration technology and caustic–calcined product …
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After magnetic stirring for 10 min, the samples were filtered, washed thoroughly with distilled water, and dried in a vacuum oven at 40 ℃ for 24 h. ... only a small amount of …
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The flotation separation of rhodochrosite from calcite and dolomite using BAHA collector of 2.0 × 10 −4 mol·L −1 was investigated through artificially mixed minerals …
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Phosphate ores from Rajasthan and Madhya Pradesh were subjected to two-stage high gradient magnetic separation using magnetic coating with magnetite and sodium oleate. …
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Contrary to magnetic, Cao et al. (2016) applied electrostatic separation to raw magnesite ore of very fine particle size (< 20 μm) without particular success with regard to the removal of …
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As the main CaO containing gangue mineral, dolomite (MgCa(CO 3) 2) has very similar structure, surface characteristics and floatability with magnesite [8].In order to achieve …
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Application of pre-magnetic separation to address grinding classification density effects and enhance iron-copper separation in deep polymetallic magnetite ores. ... As shown …
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Currently, magnetization roasting combined with magnetic separation has been proved to be an effective method for upgrading some refractory iron ores including the siderite …
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Other than froth flotation, magnetic separation has also been used as an effective technique to separate magnesite and dolomite [67]. Although both have weak magnetic …
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The role of ore mineralogy in selecting the most adequate concentration method for magnesite-dolomite separation was found to be detrimental. The microscopic analysis showed that …
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valuable minerals when their main ore bodies contain magnesium (Mg) carbonates such as dolomite and magnesite. Flotation separation of Mg carbonates from their associated valuable …
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pH regulators play a key role in mineral flotation. In the study, the effects of CaO, Na 2 CO 3 and NaOH on the flotation separation of sphalerite and dolomite were investigated, …
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The effects of conditions of magnetization roasting, magnetic separation and acid leaching on the separation indices were studied. Under the optimum parameters, the iron …
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The flotation separation is primarily based on the physicochemical differences between the surfaces of valuable and associated minerals. Dolomite often causes significant …
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The dolomite particles are then floated to the surface, leaving behind the impurities. Magnetic separation: Magnetic separation is a process in which a magnetically …
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It was observed that the ferriferous dolomite selectively entered into the magnetic product during the magnetic separation process, while the phosphate minerals remained in the …
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A discussion of magnetic separation techniques for concentrating ilmenite and chromite ores (2007) Google Scholar Svoboda, J.: Magnetic Techniques for the Treatment of …
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The mechanism through which ultrasonic treatment enhanced the flotation separation of magnesite and dolomite was analyzed via zeta potential analysis, adsorption …
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It can be concluded, from studying the magnetic separation of magnesite-dolomite that the . optimum conditions of separation are at 1.0 Ampere and 40 rpm. Using these …
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In such a way, this work aims through gravity separation to concentrate the mineral phase hematite. The shaking table was used to process 500 g of the tailing. Three …
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Wu et al. (2016) used self-magnetized pyrite to enhance the flotation of pyrite. The addition of magnetized pyrite (magnetic seeds) promoted an agglomeration between pyrite …
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The results showed that the continuous stability experiments obtained a magnetic separation concentrate with an average iron grade of 65.68% and an average iron recovery of …
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Dolomite is often associated with some other minerals. Common associated minerals include calcite, gypsum, calcium oxalate, magnesium calcite, chalcopyrite, azurite, …
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For improving selectivity of HGMS in processing refractory weakly magnetic minerals, we developed a novel method termed high gradient magnetic separation coupling …
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In water treatment technology, magnetic separation has been widely carried out and several magnetic composite materials have been identified. Hong et al. [15] prepared a highly …
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