(PDF) Magnetic separation of weakly magnetic copper minerals …
Abstract and Figures. High Gradient Magnetic Separation of chalcopyrite and bornite, both weakly magnetic copper minerals with mass susceptibilities of about 0.1 × 10-6m3/kg ...
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Magnetic Separation
Magnetic Separation. Magnetic separation means applying magnetic separators with the appropriate magnetic field intensity, magnetic field gradient, and other conditions to separate different minerals according to their differences in magnetic susceptibility. ... (red copper, yellow brass, etc.). A complicating issue is that shredding results in ...
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Fabrication of magnetic Fe3O4@metal organic framework
The magnetic composite after adsorption of Cu²⁺ was readily separated with an external magnet, and the retained copper could be stripped by acetic acid, which can effectively catalyze the ...
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Characterization and Recovery of Copper from Converter
The magnetite content was determined by a magnetic susceptibility technique using a SATMAGAN 135 instrument with an accuracy of 0.4 pct over the measurement range. ... The present investigation confirms that the separation of copper can be effectively achieved by adding a reducing agent to reduce the magnetite in the …
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Utilization of high-gradient magnetic separation–secondary …
Copper-oxide raw ore has a complex composition and cannot be processed effectively by conventional, single-stage sorting methods. Based on the characteristics of copper-oxide ore, a new combined grinding–flotation–high-gradient magnetic separation–secondary grinding–leaching process has been proposed to recover …
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Minerals | Free Full-Text | Efficient Recovery of the Combined Copper …
The advantage of the new process is to introduce magnetic separation to enrich copper and reduce iron. The magnetic concentrate was leached with stirring for 3 days at room temperature, and the copper leaching efficiency could reach about 60%. The magnetic tailing is easily leached for 4 h at 40 °C.
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How Does Magnetic Separation Work? | Elcan Industries
Magnetic separation is a process used to separate materials based on their magnetic properties. Essentially, magnetic materials can be separated from non-magnetic materials by using a magnetic field. The application of a magnetic field in the separation process is initiated by using a magnet or an electromagnet, which produces a magnetic field ...
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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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Copper loss analysis and loss separation method in a …
Finally, a copper loss separation method is designed to test copper loss of 550,000 rpm UHSPMSM considering the influence of the rotor PM flux at ultra-high speed. The theoretical analysis and experimental results verify each other. In the end, the experimental results verify the effectiveness of theoretical analysis.
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Innovative methodology for comprehensive and
DOI: 10.1016/J.JCLEPRO.2018.03.264 Corpus ID: 158745401; Innovative methodology for comprehensive and harmless utilization of waste copper slag via selective reduction-magnetic separation process
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Crystals | Free Full-Text | Magnetic Zeolite: Synthesis and Copper …
Zeolites are widely used in diverse applications, including the removal of heavy metals from wastewater. However, separating fine-sized zeolite particles from treated water is often a challenge. In this work, a novel method utilizing a colloidal polyvinyl alcohol (PVA) solution to bind iron oxide nanoparticles to a Linde Type A (LTA) zeolite was used …
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Copper Recovery from Yulong Complex Copper Oxide Ore …
A combined process of flotation and high-gradient magnetic separation was proposed to utilize Yulong complex copper oxide ore. The effects of particle size, activators, Na2S dosage, LA (a mixture of ammonium sulfate and ethylenediamine) dosage, activating time, collectors, COC (a combination collector of modified hydroxyl oxime acid …
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Magnetic Separation: Principles, Devices, and …
Magnetic separation, thanks to its advantages of large processing capacity, low operation cost, high efficiency and applicability, and environmental friendliness in comparison to other separation …
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Magnetic Fluid Separation | SpringerLink
Magnetic fluid separation is a separation method that takes magnetic fluid as the separating medium and makes different minerals suspended in layers in the magnetoelectric field and gravity field in accordance with their magnetic intensity (or electric property contrast) and density under the action of an external magnetic field, …
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Molybdenum Copper Separation Methods Chemical and …
The chemical separation method is the most commonly used method for separating molybdenum and copper. This method is based on the difference in solubility of molybdenum and copper in various acids. The most commonly used acids are sulfuric acid, hydrochloric acid, and nitric acid. The process involves mixing the molybdenum and …
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Copper Recovery from Yulong Complex Copper Oxide …
The results showed that 74.08% Cu was recovered by flotation, while the average grade of the copper concentrates was 21.68%. Another 17.34% Cu was further recovered from the flotation tailing by magnetic separation at 0.8 T. The cumulative recovery of copper reached 91.42%. The modifier LA played a positive role in facilitating …
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Recovery of Iron from Copper Tailings Using a Combined
Direct reduction refers to the process of reducing iron minerals in copper slag to metallic iron particles below the melting temperature of copper slag [].Using direct reduction–magnetic separation technology to recover iron resources in copper slag has fair recovery effect and short reaction time, which is the development trend of …
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Superconducting High-Gradient Magnetic Separation
Separation of Copper-Molybdenum Flotation Concentrate by Superconducting High-Gradient Magnetic Separation. Zekai Wang 1, Xindong Li 2,*, …
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Superconducting Magnet Design for a Vertical-Ring …
Gradient Superconducting Magnetic Separation (VHGMS) system. for recovery of the magnetic ore and purification of non-metallic. minerals. Compared to the conventional design which uses copper ...
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The application of superconducting magnetic …
The tests results show that molybdenum concentrate with Mo grade of 7.4% and recovery of 43.6%, copper concentrate with Cu grade of 33.0% and recovery of …
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Superconducting Magnetic Separation | SpringerLink
Superconducting magnetic separation is a method of mineral separation by a magnetic separator with superconductor as a magnetic system. Its application is …
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Magnetic Separation
Magnetic separation is a process where a contaminant is first attached onto a magnetic carrier material (e.g., magnetite), and subsequently, the contaminant-laden carrier is separated under a magnetic field. The simplest magnetic separator is a permanent magnet. ... As discussed in Chapter 10, dissolved heavy metals like zinc and copper …
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Fabrication of magnetic Fe3O4@metal organic …
A novel magnetic composite, Fe 3 O 4 @metal organic framework@covalent organic framework (Fe 3 O 4 @MOF@COF), was first time prepared by solvothermal methods for selectively separation and preconcentration of Cu 2+.The prepared Fe 3 O 4 @MOF@COF composite was thoroughly characterized with …
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Separation of Cesium Using Magnetic Copper …
In this study, a novel cesium scavenger, magnetic copper hexacyanoferrate (III)/pomelo peel biochar (CuHCF-MPC), is prepared. CuHCF-MPC exhibits remarkable Cs + adsorption properties including rapid kinetics, stability over a wide pH range (pH ≈3–10), high cesium adsorption capacity (145.65 mg g −1 at pH 7), high removal efficiency …
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Separation of gold and other rare materials from an …
As shown in Fig. 1, the size of the apparatus developed to separate the weak magnetic particles was less than 10 cm in length, and its weight was below 1000 g.Two NdFeB plates (4 × 4 × 1 cm ...
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Magnetic Fluid Separation | SpringerLink
Magnetic fluid separation is a separation method that takes magnetic fluid as the separating medium and makes different minerals suspended in layers in the …
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Quantitative characterization and magnetic …
According to the results of mass recovery and grade improvement, one-step magnetic separation method has the best separation effect for Mo, followed by copper, which can be used as the pre-enrichment method for CSFT.
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A novel process to upgrade the copper slag by direct reduction-magnetic
An innovative technology for direct reduction-magnetic separation with the addition of Na 2 CO 3 and CaO was studied to upgrade copper slag assaying 40.33% Fe total and 0.65% Cu.
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The application of superconducting magnetic separation in copper …
The tests results show that molybdenum concentrate with Mo grade of 7.4% and recovery of 43.6%, copper concentrate with Cu grade of 33.0% and recovery of 93.5% could be obtained, which verified ...
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Separation of copper ions by nanocomposites using adsorption process
Cui, L. et al. EDTA functionalized magnetic graphene oxide for removal of Pb (II), Hg (II) and Cu (II) in water treatment: adsorption mechanism and separation property. J. Chem.
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