Superconducting magnetic separation is a method of mineral separation by a magnetic separator with superconductor as a magnetic system. Its application is mainly with the aid of a superconducting magnetic separator equipment. Following the birth of the first superconducting magnet in 1961, J.D. Bannister of the United States invented …

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 …

Superconducting magnetic separation is a method of mineral separation by a magnetic separator with superconductor as a magnetic system. Its application is …

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.

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 ...

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. It is difficult to recover iron and copper from the slag by direct reduction since the iron mainly occurs in fayalite and the copper exists in copper sulfide.

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 …

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 …

The motion equations of the magnetic particles were derived. 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 the feasibility of separating copper-molybdenum by superconducting …

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 …

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 ...

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, …

Chelating magnetic nanoparticles are classified as a notable classification of adsorbents due to their incomparable advantage of easy separation from solution via an …

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 methods, can be widely considered for use in the field of mineral processing. ... copper-molybdenum, copper-lead, copper-zinc separation). …

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

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 …

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 ...

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 …

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 …

In order to recycle iron from copper slag with total iron content (TFe) of 39.96%(mass fraction), a technique with lignite-based direct reduction followed by magnetic separation was presented.

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 ...

Electromagnetic Separation of Copper Iron Sulphides. Table of Contents. Chalcopyrite, sp. gr. 4.15 to 4.3, is too feebly magnetic to be separated raw, and must be roasted to either the magnetic sulphide or …

The high-grade magnetic separation test yielded a magnetic separation concentrates productive rate of 22.40%, a copper grade of 2.06%, and a recovery rate of …

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 ...

This technique involves the separation of the material that can be attracted to a magnetic field from the material that cannot be attracted to a magnetic field. ... The ores of metals that contain either the metal or the impurity to be magnetic can be separated by electromagnetic separation. Since the ore of copper that is copper pyrite that is ...

The results show that under the proper conditions, the copper grade of rougher copper concentrate was increased from 6.43% to 11.04%, iron recovery of magnetic separation was increased ...

Magnetic fluid separation is a separation method that takes magnetic fluid as the separating medium and makes different minerals suspended in layers in the …

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.

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 …