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difficulties faced in magnetic separation of solid

Dec 08, 2016 The mass-independent property of magnetic translation described in equation (1) is an essential factor for achieving separation; that is, when a solid particle is released in an area of common B(x) distribution with a small initial velocity, its position and velocity during translation are uniquely determined by its magnetic susceptibility 1

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  • Magnetic separation, manipulation and assembly of
    Magnetic separation, manipulation and assembly of

    Oct 01, 2005 Magnetic separation is part of a vast subject dealing with manipulation of colloidal particles on the basis of their magnetic as well as other types of properties. This paper will review some physical fundamentals of this subject and summarize models of magnetic separation and manipulation that have been developed mostly over the last 30 years

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  • Magnetic Separation - an overview | ScienceDirect Topics
    Magnetic Separation - an overview | ScienceDirect Topics

    Magnetic separation takes advantage of the fact that magnetite is strongly magnetic (ferromagnetic), hematite is weakly magnetic (paramagnetic), and most gangue minerals are not magnetic (diamagnetic). A simple magnetic separation circuit can be seen in Figure 1.2.5 [9].A slurry passes by a magnetized drum; the magnetic material sticks to the drum, while the nonmagnetic slurry keeps flowing

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  • Magnattack® Global Solves a Difficult Black Spec
    Magnattack® Global Solves a Difficult Black Spec

    Sep 21, 2021 Separation of fine magnetic contaminants is a constant challenge for the milling industry where very fine weakly magnetic slithers and spec contamination is generated. Some identified sources of contamination: deteriorating sifter screens – generating slithers and specs; conveyor systems wear – generating small fragments and wires

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  • Magnetic Separation
    Magnetic Separation

    Magnetic separation. An on-going problem of environmental significance is solid waste disposal. As the land needed to simply throw out solid wastes becomes less available, recycling becomes a greater priority in waste management programs. One step in recycling is the magnetic separation of ferrous (ironcontaining) materials

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  • Magnetic Separator - an overview | ScienceDirect Topics
    Magnetic Separator - an overview | ScienceDirect Topics

    IEA Coal Research, in The Problems of Sulphur, 1989. High gradient magnetic separation (HGMS) Conventional magnetic separators are largely confined to the separation or filtration of relatively large particles of strongly magnetic materials. They employ a single surface for separation or collection of magnetic particles

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  • The effect of magnetic field strenght on the efficiency of
    The effect of magnetic field strenght on the efficiency of

    May 01, 1994 The figure illustrates the effect of the magnetic field on the efficiency of removal of suspended solids from municipal waste water seeded with magnetite. 100 90 E Q [I: 80 70 I IL ./ y .; ..'1 . /'1 Fig.2 E) a Apparent colour .A- Turbidity - e - Suspended solids Y 0.05 0.1 0.15 Magnetic induction (T) The efficiency of the solids removal from

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  • Magnetic separations: From steel plants to biotechnology
    Magnetic separations: From steel plants to biotechnology

    May 15, 2009 The basic principle behind magnetic separations is remarkably simple and remains unchanged from these early examples. It relies on the simple fact that materials with differing magnetic moments experience different forces in the presence of magnetic field gradients; thus, an externally applied field can handpick out of physically similar mixtures those components with distinctive magnetic

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  • Magnetic nanoparticle based solid-phase extraction of
    Magnetic nanoparticle based solid-phase extraction of

    Feb 06, 2018 Dahaghin et al. recently applied a novel magnetic ion imprinted polymer as a selective magnetic solid phase for separation of trace lead(II) ions in thirteen different food matrices. This influential sorbent (Fe 3 O 4 @SiO 2 @Pb(II)-IIP) was based on imidazole as a new ligand which grafted onto the surface of Fe 3 O 4 @SiO 2 NPs

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  • Magnetic Separators | Wet High-Intensity Magnetic Separation
    Magnetic Separators | Wet High-Intensity Magnetic Separation

    High-Intensity Magnetic Separators for Industrial Applications. We helped them pull their old magnets offline and temporarily replaced them with something more suitable: A modern in-line, auto-purging, self-cleaning high-intensity magnetic separator. This separator can capture

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  • Magnetic Separators and Metal Detection for Powders
    Magnetic Separators and Metal Detection for Powders

    Magnetic Separation We make permanent Magnetic Separation Equipment for any application, suitable for almost any industry.; Metal Detection Designed to monitor gravity-fed products, pneumatically conveyed materials on belts, & liquids and slurries in pipes.; Material Handling Equipment A large lineup of material handling equipment for the Recycling, Metal Stamping, Plastics and Food industries

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  • Separation of mineral particles in cyclones under the
    Separation of mineral particles in cyclones under the

    The air-type cyclones operating without the magnetic field (ie as a classifier) produced 50% recoveries of the magnetic fraction of the feed with an enrichment ratio of 1.0. The use of the magnetic field resulted in enrichment ratios as high as 1.8 and up to 25% improvement in recoveries Using a conventional cyclone (as distinct from the air

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  • Magnetic Separation of Pyrite
    Magnetic Separation of Pyrite

    Feb 08, 2021 Little improvement was observed with heat-treatment periods up to 2 minutes. The 5-minute treatment resulted in a 72-percent magnetic separation; after 15 minutes the magnetic fraction was 55 percent, suggesting that there was an optimum time, about 5 minutes

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  • News in screening and separation for bulk solid materials
    News in screening and separation for bulk solid materials

    Aug 12, 2021 In reality, some liquids are always brought along with the solids. It is more helpful to think of a solids separator as a device that breaks an incoming waste stream into two separate flows. The separation of bulk solids is mainly done through one of the following methods: air classification, screening, sieving gravity, and magnetic separation

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  • DNA–Iron Oxide Nanoparticles Conjugates: Functional
    DNA–Iron Oxide Nanoparticles Conjugates: Functional

    Jan 10, 2020 The use of magnetic nanoparticles (MNPs), such as iron oxide nanoparticles (IONPs), in biomedicine is considered to be a valuable alternative to the more traditional materials due to their chemical stability, cost-effectiveness, surface functionalization, and the possibility to selectively attach and transport targeted species to the desired location under a magnetic field. One of the many

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  • US10976227B2 - Magnetic enrichment of magnetically
    US10976227B2 - Magnetic enrichment of magnetically

    The present subject matter describes system ( 100 ) for magnetic enrichment of magnetically marked analytes. The system has capture chip ( 102 ) comprising a sample chamber ( 104 ) for holding sample having magnetically marked analytes, and a recovery chamber ( 106 ) connected to the sample chamber by a channel ( 202 ). The volume of recovery chamber is smaller than volume of sample chamber

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  • US6129848A - Method for continuous magnetic separation
    US6129848A - Method for continuous magnetic separation

    US6129848A US09/461,586 US46158699A US6129848A US 6129848 A US6129848 A US 6129848A US 46158699 A US46158699 A US 46158699A US 6129848 A US6129848 A US 6129848A Authority US Unite

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  • US9327292B2 - Process and system for dry recovery of fine
    US9327292B2 - Process and system for dry recovery of fine

    The present invention refers to a system and method for the totally dry treatment of iron-ore wastes from previous mining operations, suitable for both the processing of ore wastes deposited in barrages and wastes stored in piles. The present invention solves the problems of magnetic separation processes that employ the wet and waste-dewatering way, eliminating the risks which throwing solid

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