Rare-earth separation based on the differences of ionic …

Therefore, the magnetic separation efficiency is low as it only separates the solid particles with different magnetism but loses to act on the different REEs in the ... (III)) was proposed to promote the separation efficiency. REEs were firstly dissolved in the ILs to form the QL system. Under an external magnetic field, the ...

Magnetic Separation | SpringerLink

Magnetic separation is widely used. All materials with magnetism in the magnetic field can be treated by magnetic separation, which is the main method to treat iron ore. All lean magnetite ores need to remove gangue minerals such as quartz through weakly magnetic field magnetic separators to improve the iron grade of concentrate. …

Magnetic separation | Britannica

Other articles where magnetic separation is discussed: mineral processing: Magnetic separation: Magnetic separation is based on the differing degrees of attraction exerted on various minerals by magnetic fields. Success requires that the feed particles fall within a special size spectrum (0.1 to 1 millimetre). With good results, strongly magnetic minerals …

Magnetic separation: A review of principles, devices, and …

The principle of operation of magnetic separation devices is the interaction between magnetic forces and competing gravitational, hydrodynamic, and interparticle forces …

Recent advances in multimode microfluidic separation …

Zhou et al. demonstrated a ferrofluid-based inertial magnetic separation technique in a straight rectangular microchannel with a subsequent expansion. Their ... proposed a hybrid microfluidic …

Gas-assisted low-field magnetic separation for

Gas-assisted low-field magnetic separation (GAMS) was proposed for efficient recovery of contaminants-loaded magnetic nanoparticles from the large volume of water solution. Pb 2+ loaded magnetic nanoparticles (Fe 3 O 4 /HA) were selected as separation model of GAMS. It was demonstrated under the condition of no surfactant as …

Computational Analysis of Enhanced Magnetic Bioseparation in …

A microfluidic design is proposed for realizing greatly enhanced separation of magnetically-labeled bioparticles using integrated soft-magnetic elements. The elements are fixed and intersect the ...

Minerals | Free Full-Text | Dry Permanent Magnetic Separator: …

Dry magnetic separation is a technology that sorts magnetic minerals from gangue using air as the medium instead of water. When raw ore is fed to the magnetic separator, the magnetic particles are subjected to magnetic force due to the nonuniform magnetic field. ... These results show that the proposed dry magnetic separator for …

Magnetic separation | PPT

Magnetic separation. Jun 16, 2013 • 24 likes • 16,812 views. G. Gulfam Hussain Non-Destructive Testing Engineer at Dekra Germany. Business Technology.

Magnetic particles for the separation and purification of nucleic …

In fact, magnetic separation is the only feasible method for the recovery of small particles (diameter approx. 0.05–1 μm) in the presence of biological debris and other fouling material of similar size. Furthermore, ... The process proposed uses a three-phase emulsion containing soluble polymer particles, a monomer phase and water.

Magnetic phase separation in microgravity | npj Microgravity

Complementary to existing methods, the use of magnetic polarization has been recently proposed to passively induce phase separation in electrolytic cells and …

Optimization of magnetic separation process for iron recovery …

To improve the efficiency of iron recovery from steel slag and reduce the wear-and-tear on facilities, a new method was proposed by adding a secondary screen sizer to the magnetic separation process according to grain size distribution of magnetic iron (M-Fe) in the slag. The final recycling efficiency was evaluated by calculating the percentage …

Magnetic Separation

3.11.2.5 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 …

Removal of algal blooms from freshwater by the coagulation–magnetic

This research investigated the feasibility of changing waste into useful materials for water treatment and proposed a coagulation–magnetic separation technique. This technique was rapid and highly effective for clearing up harmful algal blooms in freshwater and mitigating lake eutrophication. A magnetic coagulant was synthesized by …

(PDF) High-Gradient Magnetic Separation Method for Weakly Magnetic

Matrices used in the analysis of the magnetic field: a-John's matrices, b-proposed triangular tooth matrices, c-matrices with combined profiles. Figures - uploaded by the authors Content may be ...

Magnetic Separation | SpringerLink

In any given separation it is customary to describe the two products as "magnetic" and "nonmagnetic" respectively. This is abitrary, because all materials, solids, liquids and gases, have definable magnetic properties. The success of a separation depends on the difference in magnetic response and the rate at which the separation may be ...

A magnetophoretic microdevice for multi-magnetic particles separation

The proposed ACSM chip can offer an improved design for multiple magnetic particles separation and can increase the sorts of the separated magnetic particles. The relevant simulation results have a significant effect on the fundamental understanding of particle dynamic behavior in the chip chamber.

Magnetic Separation | SpringerLink

Magnetic separation is the mineral separation method to separate different minerals by magnetic differences. Basic Principle Based on the level of magnetism, …

Magnetic phase separation in microgravity | npj Microgravity

Complementary to existing methods, the use of magnetic polarization has been recently proposed to passively induce phase separation in electrolytic cells and other two-phase flow devices.

Magnetic Nanoparticles: From Design and Synthesis to Real …

Carreira et al., reported magnetic separation of Gram-positive (S. aureus) and Gram-negative (E. coli) bacteria using cationized magnetoferritin . Open in a separate window. Figure 5. ... The proposed magnetic particles were modified with two polymers—PEG and PEI. PEG was introduced due to its stealthy behavior and PEI …

Separation of the Total Magnetic Anomalies into Induced and

In order to verify that the anomalies separation method proposed in this paper can be applied to underground source anomalies with different geometries and physical parameters, a magnetic model is designed, which consists of three individual rectangles with different geometries and depths, numbered 1, 2, and 3.

Application of magnetic nanoparticles in nucleic acid detection

Chen proposed a magnetic separation (MS) and ... Fang designed a high flux magnetic separation module and a heating and vibration module, which can collect a large number of purified nucleic acids from pathogens of infectious diseases. In the experiment, the system is applied to nucleic acid extraction of human whole blood, and …

Mathematical model and experimental investigation for eddy current

A pilot-scale ECS is proposed and designed in this investigation. As schematically shown in Fig. 1, when the separator is in operation, the nonferrous metals are fed from the inclined feeding plate to the surface of the rotating cylinder; meanwhile, the uniform and the stable alternating magnetic field is produced in the outer space of the …

Minerals | Free Full-Text | Beneficiation of Low-Grade Rare

Between gravity and magnetic separation techniques, the former is less attractive for processing low-grade and fine-grained ores ; thus, this study aimed to investigate the applicability of dry/wet magnetic separation techniques for upgrading low-grade rare earth ore from the Khalzan Buregtei deposit. Specifically, the effects of …

Mainstream partial Anammox for improving nitrogen removal from

Several processes have been proposed for the capture or up-concentration of COD, including chemically enhanced primary treatment, high-rate activated sludge system, membrane technology, and magnetic separation (MS) (Guven et al., 2019, Gong et al., 2021). Among these, MS is highly efficient and has a very short separation time (seconds).

Mineral processing

Mineral processing - Concentration, Separation, Flotation: Concentration involves the separation of valuable minerals from the other raw materials received from the grinding mill. In large-scale operations this is accomplished by taking advantage of the different properties of the minerals to be separated. These properties can be colour (optical sorting), density …

Magnetic separation and characterization of vivianite from digested

The magnetic separation of vivianite from digested sludge was performed, and the feeds and concentrates were analyzed to evaluate the separation. A relatively pure vivianite scaling sample from a WWTP plant in Venlo was used as reference material. The names and description of the samples are presented in Table 1.

The Origins and the Current Applications of Microfluidics-Based

The magnetic separation of cells based on certain traits has a wide range of applications in microbiology, immunology, oncology, and hematology. ... Since the first integration of magnetophoresis and microfluidics, many different approaches have been proposed to magnetically separate cells from suspensions at the micro scale. This …

Development of a novel magnetic separator for

This research article is about development of a new magnetic separator which is based on alternating magnetic field that deflocculate magnetic and nonmagnetic …

Eddy Current Separation

Eddy currents are a manifestation of electromagnetic induction occurring when a magnetic field is applied to a conductor. If the magnetic induction Β in a material changes with time, a voltage is generated in the material, according to the equation. - dB dt = V A. where b = magnetic flux density, V = voltage and A = cross section of enclosed ...

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