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Magnetic separation of fine particles

Apr 13, 2021

Dec 21, 2007 MAGNETIC SEPARATION OF FINE PARTICLES FROM COMPOSITIONS . United States Patent Application 20090152176 . Kind Code: A1 . Abstract: The disclosure describes apparatuses and methods of use that may be used to remove material with magnetic properties from compositions, particularly pharmaceutical compositions

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  • TECHNIQUES FOR SELECTIVE MAGNETIC SEPARATION OF FINE PARTICLES
    TECHNIQUES FOR SELECTIVE MAGNETIC SEPARATION OF FINE PARTICLES

    Feb 24, 2007 Magnetic separation as a particle-particle or particle-fluid separation technique has been extended to be effective for particulates with the smallest known magnetic susceptibility. Most commonly found materials are diamagnetic but the effectiveness of high magnetic field gradient separators for even these very weakly magnetic materials makes

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  • Magnetic particles for the separation and purification of
    Magnetic particles for the separation and purification of

    Oct 25, 2006 Particles with a diameter larger than 1 μm can be separated easily using simple magnetic separators, while separation of smaller particles (magnetic colloids with a particle size ranging from ten to hundreds of nanometres) may require the use of high-gradient magnetic separators

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  • What Are The Factors That Affect The Magnetic Separation
    What Are The Factors That Affect The Magnetic Separation

    Aug 28, 2021 Too small slurry concentration means that the separation concentration is too low, which causes the flow rate to increase, shortens the separation time, and makes some fine magnetic particles that could be recovered enter the tailings and are discarded. Generally, the slurry concentration cannot exceed 35%

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  • Separation of Fine Mineral Particles by Selective Magnetic
    Separation of Fine Mineral Particles by Selective Magnetic

    The separation of ultrafine magnetic particles is significantly influenced by aggregation between particles due to various external and interparticle forces, such as gravity, magnetic attraction

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  • The History of the Development of the Magnetic Separators
    The History of the Development of the Magnetic Separators

    May 16, 2021 Separation efficiency can be compromised and can only increase by ensuring that the feed is in a monolayer to prevent compaction which can lead to non-magnetic particles being trapped within the feed bed and fine particle reporting to the bottom of the feed bed (Dobbins and Sherrel, 2009)

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  • Application of High-Gradient Magnetic Separation to Fine
    Application of High-Gradient Magnetic Separation to Fine

    Within the last decade a new technique, high gradient magnetic separation (HGMS), has been developed and proven capable of removing very small, weakly magnetic particles from nonmagnetic materials. The fundamental concept of HGMS is the interaction of the small paramagnetic particles with a ferromagnetic wire in a uniform background magnetic field

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  • Magnetic Separation and Recycling of Goethite and Calcium
    Magnetic Separation and Recycling of Goethite and Calcium

    In this study, magnetic separation was applied to separating goethite from calcium sulfate with maghemite (γ-Fe 2 O 3) fine particles as the carrier, which were prepared by roasting −1 μm pure magnetite mineral particles. The SEM images and XRD patterns indicated the precipitation of goethite on maghemite fine particles in the goethite

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  • MECHANICAL SEPARATION TECHNIQUES
    MECHANICAL SEPARATION TECHNIQUES

    MAGNETIC SEPARATION Based on magnetic behavior matrial can be classified as” 1. Ferromagnetic –very strong magnetic susceptibility- iron, nickel and cobalt. 2. Paramagnetic –weak magnetic susceptibility – a) Weakly magnetic b) Strongly magnetic 3. Diamagnetic particles –repelled by magnet 4. Non magnetic

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  • Magnetic Separation | Multotec
    Magnetic Separation | Multotec

    Magnetic Separation. Multotec supplies a complete range of magnetic separation equipment for separating ferromagnetic and paramagnetic particles from dry solids or slurries, or for removing tramp metal. Multotec Dry and Wet Drum Separators, WHIMS, Demagnetising Coils and Overbelt Magnets are used in mineral processing plants across the world

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  • Magnetic particle separation, a short review - Elveflow
    Magnetic particle separation, a short review - Elveflow

    Commercial magnetic particle separation. One of the earliest works in magnetic capturing using bulk magnets was reported by Miltenyi in [1]. In this work, a Magnetic Cell Sorter (MACS) from Miltenyi Biotec is used to separate cells labeled with magnetic particles from non-labeled cells. Three basic steps can be observed: the objects of interest

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  • Magnetic Separators - 911Metallurgist
    Magnetic Separators - 911Metallurgist

    Permanent Magnetic Separators The science of magnetic separation has experienced extraordinary technological advancements over the past decade. As a consequence, new applications and design concepts in magnetic separation have evolved. This has resulted in a wide variety of highly effective and efficient magnetic separator designs. In the past, a process engineer faced with a magnetic

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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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  • A superconducting magnetic separation system of
    A superconducting magnetic separation system of

    A superconducting magnetic separation system has been developed to remove fine particles of martensitic transformed stainless steel (diameter: 1–10μm) from a viscous fluid

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  • WO2008080047A3 - Magnetic separation of fine
    WO2008080047A3 - Magnetic separation of fine

    fine particles magnetic separation magnetic conduit Prior art date 2006-12-23 Application number PCT/US2007/088527 Other languages French (fr) Other versions WO2008080047A2 (en Inventor James E Kipp Joseph Chung Tak Wong Jane O Werling Original Assignee Baxter Int Baxter Healthcare Sa James E Kipp Joseph Chung Tak Wong Jane O Werling

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  • US20090152176A1 - Magnetic separation of fine
    US20090152176A1 - Magnetic separation of fine

    Magnetic material in the composition is substantially reduced after flowing through the conduit or column. US20090152176A1 - Magnetic separation of fine particles from compositions - Google Patents

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  • Magnetic seeded filtration for the separation of fine
    Magnetic seeded filtration for the separation of fine

    Nov 02, 2019 In preliminary tests, a nearly instant and complete separation of the magnetic particles could be detected, however in order to also guarantee total separation of hetero-agglomerates the separation time was increased to t sep = 5 min. Fig. 3 shows the schematics of the agglomeration cell and the two states for agglomeration and separation. The main difference between the two states lies

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  • Magnetic Separation of Fine Mineral Sulphides
    Magnetic Separation of Fine Mineral Sulphides

    Jul 07, 2018 Potential fine size separation methods are froth flotation and magnetic separation. The mineral sulfides, with the exception of pyrrhotite, are either weakly paramagnetic (e.g. chalcopyrite) or diamagnetic (e.g. molybdenite). Those which are paramagnetic can only be separated using high-gradient magnetic separation (hgms) at high fields (up to 2 Tesla) and low flow rates (e.g. 1 cms- )

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  • Separation of Fine Mineral Particles by Selective
    Separation of Fine Mineral Particles by Selective

    The separation of ultrafine magnetic particles is significantly influenced by aggregation between particles due to various external and interparticle forces, such as gravity, magnetic attraction

    Get Price
  • Enhanced selective separation of fine particles from
    Enhanced selective separation of fine particles from

    Oct 03, 2020 The use of magnetic separation under acidic conditions was found to be highly effective for soil decontamination through the selective removal of fine clay particles without additional treatment. Therefore, the proposed magnetic-sieving separation using MNPs may be a viable option for removing fine particles from contaminated soil in the remediation of radioactive soil

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  • Principles of Magnetic Separation - Magnetic Separation
    Principles of Magnetic Separation - Magnetic Separation

    May 15, 2021 A separation is achieved when the magnetic force attained is greater than other competing forces, for example, the force of gravity largely acts upon coarse particles, while frictional force, attractive or repulsive force, surface and hydrodynamic drag force predominantly act upon fine particles. These forces are shown in the Figure below

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  • Magnetic particles for the separation and
    Magnetic particles for the separation and

    Oct 25, 2006 Magnetic separation is an emerging technology that uses magnetism for the efficient separation of micrometre-sized para- and ferromagnetic particles from chemical or

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  • Wet High Intensity Magnetic Separators | Multotec
    Wet High Intensity Magnetic Separators | Multotec

    High intensity magnetic separators focus on the separation of very fine particles that are para-magnetic. The current is passed through the coil, which creates a magnetic field. This magnetises the yoke and finally the matrix ring. The para-magnetic matrix material behaves like a magnet and attracts the fines

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