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Magnetic particle separation using controllable magnetic …

Magnetic particle separation is very important in biomedical applications.In this study, a magnetic particle microseparator is proposed that uses micro magnets to produce open/closed magnetic flux for switching on/off the separation. When all magnets are magnetized in the same direction, the magnetic force switch for separation is on; …

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Separation of iron and titanium from titanium magnetite …

Magnetic separation with 0.2 T magnetic field intensity yielded 75.5 % magnetic fraction. Titanomagnetites treated at low temperatures had 50.9 % magnetic portion iron. Magnetic fraction iron extraction was 97.8 %. ... Analysis of the proposed reactions in the titanium magnetite concentrate subjected to low-temperature processing. Various ...

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Simultaneous separation of different magnetic particles by …

Cao et al. [26] proposed a magnetic separation system with a gradient alternating magnetic field to dynamically adjust the magnetic interactions between …

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Magnetic separation of algae genetically modified for …

Magnetic separation of algae has been proposed based on iron oxide nanoparticle binding to cells . The label-less magnetic separation of magnetotactic algae has been also proposed by others . Eliminating the need for magnetic particle attachment reduces the number of steps in the algae to biofuel process, eliminates the …

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Optimized magnetic separation for efficient recovery of V …

Through the multi-step magnetic separation process proposed in this study not only was vanadium recovered effectively but a concentrate with a high titanium content was also produced. 4. Conclusion. In this study, systematic work was conducted to develop an optimal process for magnetic separation, which is a physical separation method …

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An integrated magnetic separation enzyme-linked …

An intelligent colorimetric sensing platform integrated with in situ immunomagnetic separation function was developed for ultrasensitive detection of Escherichia coli O157: H7 (E. coli O157: H7) in food. Captured antibody modified magnetic nanoparticles (cMNPs) and detection antibody/horseradish peroxidase (HRP) co …

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The design and fabrication of thermoplastic microfluidic …

These methods include acoustic separation [9], optical separation [10], [11], [12], electric field-based separation [13], [14], [15], magnetic separation [16], [17], ... and proposed that the number of streamlines between each pillar corresponds to the periodicity of the DLD array. The particle flow in the array is influenced by fluid forces ...

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Rare-earth separations enhanced by magnetic field

Magnetic moment difference was exploited for REs separation in magnetic field. • The β RE/Lu were promoted by 17%-47% with external magnetic field. • The separation efficiency improved with the increase of magnetic field strength. • Magnetism of the REs compounds was proposed as the single electrons in RE(III). •

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Magnetic projection: A novel separation method and its …

According to Table 2, the proposed magnetic separation method, namely "magnetic projection", is a potentially promising technology in separating multi-plastics, as the plastic mixtures have been clearly separated without external energy and/or reagent inputs. The advantages of the proposed method are summarized as follows:

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Review Magnetic separation techniques in sample …

Magnetic separation is usually gentle and nondestructive to biological analytes such as proteins or peptides, and even large protein complexes which tend to be broken up in process of traditional column chromatography may remain active. ... In conclusion, the proposed approach, which combined highly specific screening with …

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Ball milling coupled cascade magnetic separation to …

The intensity of the peaks attributed to FeO at 41.7°, 60.4° and 60.8° showed a trend of first increasing. In the process of alkali disaggregation of Fe 2 SiO 4, FeO would co-precipitate as a product.It could be seen from the Fig. 1 a, the peaks at 43.2° and 62.7° attributed to Fe 2 O 3 and the peaks attributed to FeO gradually weakened after alkali …

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

Abstract: Conventional magnetic separation devices are widely used for the removal of tramp iron from a variety of feed materials and for the beneficiation of ferrous ores. These devices for separation of strongly magnetic materials employ a variety of mechanical designs. Recently developed high gradient magnetic separation devices extend the …

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Centrifugal dry magnetic separation of fine magnetic …

The magnet of cDMS-1000 separator is set under the separation cone, and its polarity alternates in the circumferential direction of the cone. In this investigation, a partial magnetic field distribution of the cDMS separator was revealed using Finite Element Method (FEM), as shown in Fig. 2.It is noted that the residual magnetic flux density of …

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Mainstream partial Anammox for improving nitrogen …

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 …

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Extraction and separation of copper and iron from copper …

Fire treatment, magnetic separation treatment, alkali leaching treatment of CSS and oxygen pressurization in the acid leaching process can effectively improve the leaching efficiency of acid leaching (Zhang et al., 2021). Oxidants such as liquid chlorine or hydrogen peroxide are often added to accelerate the dissolution of copper.

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Magnetic separation for recovering iron resources from …

In this research, efficient iron enrichment was innovatively proposed through "mineral phase transformation - magnetic separation" for the acid-leaching tailings of laterite nickel ore. The process utilizes carbon monoxide (CO) as the reducing agent, and after reduction, the weakly magnetic mineral (Fe 2 O 3 ) is transformed into the ...

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Application of Magnetic Separation Technology in …

Magnetic separation technology is a physical separation method that uses the differences in magnetism between matter to separate them from each other by different motion behaviors in a non-uniform …

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Selective surface magnetization of pentlandite with …

Magnetic coating was proposed to separate pentlandite from serpentine. ... The optimal pH for magnetic separation of magnesite fines from serpentine was above 9.0 [31]. Hence, the effect of pH was investigated in the pH range of 2.0–12.0 by adding 3% magnetite fines and results were presented in Fig. 7.

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Demonstration of magnetically activated and guided isotope …

In response to this challenge, we proposed magnetically activated and guided isotope separation (MAGIS; refs 9, 10). In this article, we present the first …

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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 …

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Construction of an efficient molecular enrichment and magnetic …

In this study, an efficient Fe 3 O 4 @Ag@COF-beased molecular enrichment and magnetic separation flow was proposed for ratiometric SERS detection of MTD. In the composite substrate, COF can not only enrich pesticide molecules, but can also serve as the internal standard (IS) for the ratiometric SERS sensor to increase detection …

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Separation of Iron and Zinc Values from Blast Furnace …

magnetic separation (350 mT), and the concentrate with the iron grade of 66.00%, the recovery rate of 85.54%, and the zinc ... netic separation was proposed to separate iron and zinc from blast furnace dust and recover iron eciently. The optimal reduction conditions were determined experimentally by

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Explain the magnetic separation method.

Magnetic separation method involves using the magnetic properties of either the ore or the gangue to separate them. The ore is first ground into fine pieces and then passed on a conveyor belt passing over a magnetic roller. The magnetic constituent remains on the belt, and the non-magnetic constituent falls off the belt. ...

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Optimization of magnetic separation process for iron …

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 …

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Magnetic separation of general solid particles realised by a …

Magnetic separation has been conventionally used to collect materials that are either ferromagnetic, ferrimagnetic or strongly paramagnetic. ... Hence, by optimising …

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Removal of fine solids from bitumen by hetero-aggregation and magnetic

NAE fine solids removal efficiency by magnetic separation after the introduction of Asp-MNPs and MNPs. Weight ratio of cyclohexane to NAE bitumen was 2:1, and magnetic nanoparticles to NAE bitumen was 1:4. The magnetic separation was conducted under a magnetic field with a strength of 1 Tesla.

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

Abstract: Conventional magnetic separation devices are widely used for the removal of tramp iron from a variety of feed materials and for the beneficiation of ferrous ores. …

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Magnetic Solid Phase Extraction as a Promising Technique …

As a solution to this restriction, magnetic nanomaterials (MNPs) were proposed, since they perform phase separation more conveniently by the application of an external magnetic field. In this case, the method is named a magnetic solid-phase extraction (MSPE). ... One of the first references of using magnetic separation for …

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Study on open gradient magnetic separation using multiple magnetic …

A new type of open gradient magnetic separator using multiple magnetic field sources was proposed. As an example, a open gradient magnetic separation using quadrupole magnetic field was focused in this paper. Simulation study was performed to investigate the basic separation characteristics of our separation method by analyzing the dynamic …

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Basic Principles and Recent Advances in Magnetic …

Magnetic cell separation has become a key methodology for the isolation of target cell populations from biological suspensions, covering a wide spectrum of applications from diagnosis and therapy in biomedicine to …

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