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chalcopyrite magnetic separation
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Application of superconducting magnetic separation to …
separated by normal magnetic separation can be separated by superconducting magnetic separation. Studies (Liu L. et al., 2017) have shown that chalcopyrite is a paramagnetic material with average magnetic susceptibility of 67.53 × 10 -9 m 3 /kg.
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Enhancing magnetism and magnetic separation of ultrafine …
Enhancing magnetism and magnetic separation of ultrafine chalcopyrite from talc through surface oxidation treatment | Semantic Scholar. DOI: …
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Pulsating high-gradient magnetic separation of chalcopyrite …
DOI: 10.1016/j.mineng.2022.107410 Corpus ID: 246346334; Pulsating high-gradient magnetic separation of chalcopyrite and talc @article{Xian2022PulsatingHM, title={Pulsating high-gradient magnetic separation of chalcopyrite and talc}, author={Yong-jun Xian and Yang Hong and Yirong Li and Xiaowei Li and Song Zhang …
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Effect of microwave treatment on the flotation and magnetic separation …
The magnetic properties of pyrite and chalcopyrite were improved by the increase in microwave energy and the duration of treatment to such an extent that 90% of the feed separated as magnetic product.
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Magnetic properties of natural chalcopyrite at low temperature
The final separation and purification was by handpicking under a binocular microscope. The chalcopyrite grains have a distinguishable shiny color, whereas the pyrite grains have a golden dull color. ... Mass magnetization against temperature at different magnetic fields of natural chalcopyrite from Oman. The lowest curve is the …
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Ferric ion-triggered surface oxidation of galena for efficient
The efficient separation of chalcopyrite (CuFeS2) and galena (PbS) is essential for optimal resource utilization. However, finding a selective depressant that is environmentally friendly and cost effective remains a challenge. Through various techniques, such as microflotation tests, Fourier transform infrared spectroscopy, …
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High-gradient magnetic separation mechanism for separation …
The results indicate that the PHGMS achieves a selective separation of chalcopyrite from talc; and under the optimized conditions, a chalcopyrite concentrate of 30.22% Cu grade with 75.79% ...
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Magnetic properties of chalcopyrite and arsenopyrite for …
Separating chalcopyrite from arsenopyrite using flotation has been a big challenge due to their similar floatability. However, this challenging condition may be partially solved by employing their difference in magnetic susceptibility. As a matter of fact, pulsating high-gradient magnetic separation (PHGMS), as an environment-friendly and economic …
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Chalcopyrite with Magnetic and Dielectric Properties: An …
From the observation of magnetic properties, the material chalcopyrite was found to be paramagnetic. The dielectric constant and dielectric loss were also …
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Separation of Copper-Molybdenum Flotation Concentrate …
Separation of chalcopyrite from molybdenite is currently mainly carried out by flotation, but this process is costly because of the extensive use of inhibitors. 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 induction on …
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Performance evaluation of PHGMS technology for superfine chalcopyrite …
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 magnetic susceptibility.
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Pulsating HGMS for industrial separation of chalcopyrite from …
The Matrix Design Theory and Method mainly consists of five steps. Firstly, the characteristics of target minerals to be captured and separated, such as magnetic susceptibility and particle size, were measured, and the separation parameters to be applied in the separator such as solid concentration and flow velocity were pre-determined.
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(PDF) Selective Separation of Chalcopyrite from Galena
This is the reason why this non-toxic depressant achieved the selective depression of galena from chalcopyrite, leading to efficient flotation separation. XFG−40 mL flotation machine with the ...
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New technology of pulsating high gradient magnetic separation
Chalcopyrite (CuFeS 2) and molybdenite (MoS 2) as typical sulfide minerals are very easy for co-flotation in practice, but their mutual separation consumes a large quantity of flotation reagents, particularly for superfinely associated chalcopyrite and molybdenite as encountered in most porphyry copper deposits.Pulsating high gradient …
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Adsorption mechanism of a biodegradable plant
1. Introduction. The separation of chalcopyrite and talc has attracted vast attention recently [1], and the flotation separation of chalcopyrite from talc is a hot issue [2], [3], [4].It is well known that the flotation process will be impacted by the different wettability of minerals [5], [6], [7].Given that chalcopyrite and talc both have naturally …
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Magnetic properties of chalcopyrite and arsenopyrite for
The results indicate that the PHGMS achieves a selective separation of chalcopyrite from talc; and under the optimized conditions, a chalcopyrite concentrate of 30.22% Cu grade with 75.79% ...
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Separation of Copper-Molybdenum Flotation …
the superconducting magnetic separation process was discussed, and the effect of the ultra-high magnetic field strength of the superconducting magnetic separation on the separation performance was explored using experimental data. These results will provide theoretical support for the separation of chalcopyrite from molybdenite and create
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High-gradient magnetic separation mechanism for …
Abstract. Removing molybdenite from chalcopyrite by flotation has long been a challenge due to their similar floatability as sulfide minerals. However, the difference in the magnetic susceptibility of the two minerals may be employed to address this challenge. Recently, pulsating high-gradient magnetic separation (PHGMS) has been reported ...
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High-gradient magnetic separation mechanism for …
High-gradient magnetic separation mechanism for separation of chalcopyrite from molybdenite. Minerals and Mineral Materials. DOI: …
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Performance evaluation of PHGMS technology for superfine chalcopyrite …
Chalcopyrite (CuFeS 2) and molybdenite (MoS 2) as typical sulfide minerals are very easy for co-flotation in practice, but their mutual separation consumes a large quantity of flotation reagents, particularly for superfinely associated chalcopyrite and molybdenite as encountered in most porphyry copper deposits. Pulsating high gradient magnetic …
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Superconducting High-Gradient Magnetic Separation
theoretically feasible to use magnetic separation to separate chalcopyrite from molybden-ite. The magnetic susceptibility of chalcopyrite is 0.840 310 6 m /kg, whereas that of molybdenite is 60.001 10 m3/kg. To obtain a better separation, a greater magnetic in-duction is required during magnetic separation because of the smaller …
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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 the magnetism of ultrafine chalcopyrite and improve its magnetic …
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The Effect of Microwave Pre-treatment on the …
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 minerals …
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High-gradient magnetic separation mechanism for separation …
Description of PHGMS processes. A cyclic SLon-100 PHGMS separator was employed to carry out the separation test. As depicted in Figure 2, The key components of the separator include a magnetic yoke, magnetic poles, excitation coils, and a pulsating mechanism [].To ensure the full immersion of the rod matrix, water was initially poured …
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Effect of microwave treatment on the flotation and …
The effects of microwave treatment on the floatabilities and magnetic susceptibilities of some sulfide minerals, namely, pyrite, chalcopyrite, galena and sphalerite, were studied. Pure mineral samples were prepared in -425+212-f.lm, -212+106-f.lm and -106+38-f.lm size fractions. Microflotation and magnetic separation tests were carried out
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Superconducting High-Gradient Magnetic Separation
theoretically feasible to use magnetic separation to separate chalcopyrite from molybden-ite. The magnetic susceptibility of chalcopyrite is 0.840 310 6 m /kg, …
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Effect of microwave treatment on the flotation and magnetic separation …
The effects of microwave treatment on the floatabilities and magnetic susceptibilities of some sulfide minerals, namely, pyrite, chalcopyrite, galena and sphalerite, were studied. Pure mineral samples were prepared in -425+212-μm, -212+106-μm and -106+38-μm size fractions. Microflotation and magnetic separation tests were …
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Pulsation curves strengthen the high gradient magnetic separation
High gradient magnetic separation is a physical method isolating weakly magnetic particles from relatively nonmagnetic materials based on the difference of magnetic force acting on each particle. ... Pulsating HGMS for industrial separation of chalcopyrite from fine copper-molybdenun co-flotation concentrate. Miner. Eng., 170 …
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High-gradient magnetic separation mechanism for separation …
Removing molybdenite from chalcopyrite by flotation has long been a challenge due to their similar floatability as sulfide minerals. However, the difference in the magnetic susceptibility of the two minerals may be employed to address this challenge. Recently, pulsating high-gradient magnetic separation (PHGMS) has been reported …
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Pulsating high-gradient magnetic separation of chalcopyrite …
Pulsating high-gradient magnetic separation (PHGMS) is an environment-friendly and economic method for concentrating or removing weakly magnetic minerals from materials, and its separation for sulfide minerals with similar floatability such as chalcopyrite-molybdenite (Chen et al., 2021b) and chalcopyrite-talc (Xian et al., 2022) …
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Enhancing flotation separation of chalcopyrite and …
Separation effects of sodium polyacrylate (PAAS) and gum Arabic (GA) on flotation of chalcopyrite and magnesium silicate minerals using potassium butyl xanthate (PBX) as collector were ...
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Magnetic separation using superconducting magnets
Practical aspects of high gradient magnetic separation using superconducting magnets. A. Cieśla. Engineering, Materials Science. 2003. Since the 1970s, magnetic separation has been increasingly used for purification of liquid, such as heavy-metal ion removal from laboratory waste-water, purification of kaolin clay in the…. …
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Enhancing magnetism and magnetic separation of ultrafine …
Enhancing magnetism and magnetic separation of ultrafine chalcopyrite from talc through surface oxidation treatment | Request PDF. Journal of Materials …
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Pulsating HGMS for industrial separation of chalcopyrite from …
Pulsating high gradient magnetic separation (PHGMS) was effectively applied for pre-concentration of relatively coarse chalcopyrite ore, therefore in this work, its feasibility for separation of superfine chalcopyrite from molybdenite was firstly attempted, with the separation performance under key operating parameters elucidated via a SLon …
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Pulsating HGMS for industrial separation of chalcopyrite …
DOI: 10.1016/J.MINENG.2021.106967 Corpus ID: 236259260; Pulsating HGMS for industrial separation of chalcopyrite from fine copper-molybdenun co-flotation concentrate @article{Chen2021PulsatingHF, title={Pulsating HGMS for industrial separation of chalcopyrite from fine copper-molybdenun co-flotation concentrate}, …