High-gradient magnetic separation mechanism for separation …

Recently, pulsating high-gradient magnetic separation (PHGMS) has been reported effective as an environmentally friendly and economical strategy for separating chalcopyrite from …

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The separation of chalcopyrite and chalcocite from pyrite in …

The separation of chalcopyrite from pyrite was studied by using a mixture of these two minerals. Fig. 8 shows chalcopyrite recovery as a function of pyrite recovery in rougher …

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Application of superconducting magnetic separation to an …

In this study, the superconducting magnetic separation of chalcopyrite and molybdenite, along with the effects of the magnetic flux density, slurry concentration, and pulsation amplitude on …

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Effect of bleaching powder (ClO−) on pulsating HGMS of chalcopyrite

High gradient magnetic separation (HGMS) is a potential method of separating chalcopyrite from copper-arsenopyrite co-flotation concentrate. However, during the co …

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Magnetic and Electric Properties of Chalcopyrite

Recently Donnay et al. 11 determined crystal and magnetic structure by neutron diffraction. According to them chalcopyrite was antifer romagnetic at least at room temperature. The …

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Separation of Copper-Molybdenum Flotation Concentrate by

This study briefly describes a 7.0T/100CGC low-temperature superconducting magnetic separator and discusses its separation principle as well as the effect of magnetic …

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Magnetic Separation of Fine Mineral Sulphides

The separation of fine sulfides becomes increasingly difficult at fine particle sizes. Potential fine size separation methods are froth flotation and magnetic separation. The mineral …

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Magnetic properties of natural chalcopyrite at low temperature

X-ray diffraction and XPS characterization showed that the 35 formation of more magnetic phases after chalcopyrite and pyrite treatment is the reason behind their 36 increased magnetism. Dry …

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A review of flotation and selective separation of pyrrhotite: A

Therefore, flotation is commonly used instead of magnetic separation to achieve the separation of pyrrhotite [15]. To date, many papers on pyrrhotite flotation have been published, …

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Pulsating high-gradient magnetic separation of chalcopyrite and …

The selective flotation of chalcopyrite from talc in practice is currently difficult and consumes a large amount of depressors, resulting in high production and environmental costs. The …

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High-gradient magnetic separation mechanism for separation …

High-gradient magnetic separation mechanism for separation of chalcopyrite from molybdenite Pulin Dai1, Zixing Xue1, Xiaowei Li1, Yaxiong Jiang1, Nourhan Ahmed1,2, Jianwu Zeng1, …

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Magnetic properties of chalcopyrite and arsenopyrite for high …

The pulsating high-gradient magnetic separation (PHGMS) method has a strong potential for the effective separation of chalcopyrite and talc, based on their difference in …

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The Effect of Microwave Pre-treatment on the Magnetic …

Moreover, magnetic separation of chalcopyrite binary mixtures with enargite and tennantite was performed. The results showed insignificant effects on the magnetic …

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Separation and Purification Technology | Vol 333, 1 April 2024

select article Effect of lime (CaOH+) on chalcopyrite-arsenopyrite separation in high gradient magnetic separation: Experiment and molecular simulation. ... select article Removal …

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Effect of lime (CaOH + ) on chalcopyrite-arsenopyrite separation …

Magnetic separation poses challenges for the effective separation of chalcopyrite and pyrrhotite. Therefore, flotation separation has emerged as a key research focus. This …

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Chalcopyrite with Magnetic and Dielectric Properties: An …

The progress for the development of active, stable, and economic catalysts for the chemical transformation of noxious chemicals to benign is of primary importance. The …

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Application of superconducting magnetic separation to an …

the feasibility of separating mixed Cu and Mo minerals via superconducting magnetic separation. Keywords: superconducting magnetic separation, chalcopyrite and molybdenite separation, …

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The Effect of Microwave Pre-treatment on the Magnetic …

Moreover, magnetic separation of chalcopyrite binary mixtures with enargite and tennantite was performed. The results showed insignificant effects on the magnetic susceptibility of the two …

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Magnetic property of malachite for high-gradient magnetic separation

Malachite (CuCO 3 ·Cu(OH) 2) has long been considered a non-magnetic mineral, so it is never believed separable with magnetic separation.The findings from this innovative …

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Mitigating the effect of inevitable Cu2+ by PHGMS for improving

Pulsating High Gradient Magnetic Separation (PHGMS) is a physical separation method that utilizes the difference of magnetic property between minerals in a pulsating pulp. …

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Arsenopyrite removel with PHGMS method for improving Cu-As …

The pulsating high-gradient magnetic separation (PHGMS) method has a strong potential for the effective separation of chalcopyrite and talc, based on their difference in …

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4. How do metals occur in nature? Give examples to any two typ

Metals occur in nature as ores, such as bauxite and chalcopyrite. Magnetic separation is used for ores like magnetite. Roasting converts zinc sulfide to zinc oxide, while calcination converts …

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Selective separation of chalcopyrite and pyrite with a novel and …

The synergistic effect of CaO and TCSS achieved an improved selective flotation separation of chalcopyrite from pyrite at low alkaline pH of 9, for which the recovery of …

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Enhancing magnetism and magnetic separation of ultrafine …

In this study, we confirm that the PHGMS technique can achieve the separation of chalcopyrite and talc, and explore the potential of oxidation treatment as a strategy to enhance …

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A novel oxidation reagent scheme to realize efficient flotation

Magnetic separation poses challenges for the effective separation of chalcopyrite and pyrrhotite. Therefore, flotation separation has emerged as a key research focus. This study investigated …

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High-gradient magnetic separation mechanism for separation of

The pulsating high-gradient magnetic separation (PHGMS) method has a strong potential for the effective separation of chalcopyrite and talc, based on their difference in …

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The Effect of Heat Treatment on Chalcopyrite

I. Florek, M. Lova ´ s and I. Murova ´, Intensification of magnetic separation of chalcopyrite ore by micro-wave radiation, Proceedings of the 4th Conference on Dielectric …

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SLon New Technology for Chalcopyrite Separation

On July 6, one SLon-2500 (1.7T) and two SLon-2000 (1.3T) WHIMS independently developed by SLon Magnetic Separator Co., Ltd. were installed in a copper mine in Yunnan, realizing the first application of high gradient …

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Performance evaluation of PHGMS technology for superfine chalcopyrite

Pulsating high gradient magnetic separation (PHGMS), as a physical separation method based on magnetic difference among materials, seems to meet the above-mentioned …

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Magnetic properties of chalcopyrite and arsenopyrite for high …

Pulsating high-gradient magnetic separation (PHGMS) is an environment-friendly and economic method for concentrating or removing weakly magnetic minerals from materials, …

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Pulsating HGMS for industrial separation of chalcopyrite from fine

Chalcopyrite is weakly magnetic while molybdenite is diamagentic, with their magnetic susceptibilities at 0.840 × 10-6 m 3 /kg and −0.001 × 10-6 m 3 /kg, respectively (Liu, …

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Chalcopyrite with Magnetic and Dielectric Properties: …

From the observation of magnetic properties, the material chalcopyrite was found to be paramagnetic. The dielectric constant and dielectric loss were also determined and were found to be decreasing with an increase …

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The Effect of Heat Treatment on Chalcopyrite

Physical Separation in Science and Engineering. Volume 12, Issue 1 360951 p. 23-30. Article. Open Access. ... XRD analysis detected phase changes in conventional heat …

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