magnetic separator Articles

  • A feasibility study of magnetic separation of magnetic nanoparticle for forward osmosis

    It was recently reported that a UK company has developed a naturally non-toxic magnetoferritin to act as a draw solute for drawing water in forward osmosis process. The gist of this technology is the utilization of the magnetic nanoparticle and high-gradient magnetic separation for draw solute separation and reuse. However, any demonstration on this technology has not been reported yet. In this ...


    By IWA Publishing

  • The Magnetic Duo

    (From Resource Recycling) The combination of high gradient magnetic separation using rare earth roll magnets and eddy current separation has proved to reliably remove aluminum flakes mixed with PET. Recycling of plastic beverage containers made from polyethylene terephthalate (PET) has been a growth industry for the past two decades. Recycled PET can be used in such diverse products as ...


    By Eriez Magnetics Europe Ltd

  • The true value of magnetic separators and metal detectors in bulk handling

    Introduction The purpose of a bulk material handling may be to transport material from one of several locations to an ultimate destination or to process material such as ore in concentrating and smelting or handling materials for manufacturing. The handling of dry materials in loose bulk form involved the extensive use of static machinery such as belt conveyors, screw conveyors, and various ...


    By Eriez Magnetics Europe Ltd

  • Application of magnetic separation technology for the recovery of colemanite from plant tailings

    In this study, colemanite was recovered from tailings produced by the Kestelek (Turkey) Processing Plant by magnetic separation. Magnetic susceptibility measurements revealed that colemanite is diamagnetic in character whereas gangue minerals are weakly paramagnetic, apparently due to the presence of the iron-bearing silicates such as smectite and, to a less extent, illite. Three-stage magnetic ...


    By SAGE Publications

  • Introduction to Ferrite Magnets

    Ferrite magnets are also referred to as ceramic or hard ferrite magnets. In the 1960s these magnets were developed to subsidize costly metallic magnets. Generally, they possess less energy compared to other magnets made of permanent materials. They are hard and relatively brittle. Since their creation, they have gradually won wide acceptance. This has been contributed by their excellent ...


    By Stanford Magnets

  • Magnetic nanocarriers: from material design to magnetic manipulation

    Magnetic nanocarriers play an increasing role in various biomedical applications such as the separation of magnetically 'tagged' DNA, drug delivery or identification of biological species. Recent developments in nanotechnology allow the fabrication of both artificial nanocarriers and magnetic separation devices which may achieve great performances at an incredibly small-volume sample handling. ...


    By Inderscience Publishers

  • Facts About Ferrite Magnets

    Ferrite magnets are also referred to as ceramic or hard ferrite magnets. In the 1960s these magnets were developed to subsidize costly metallic magnets. Generally, they possess less energy compared to other magnets made of permanent materials. They are hard and relatively brittle. Since their creation, they have gradually won wide acceptance. This has been contributed by their excellent ...


    By Stanford Magnets

  • Master Magnets introduce the `R` type

    Eddy Current Separators are one of the most widely used types of magnetic separation equipment in the world today and are being increasingly used in various industrial applications for the separation of non-ferrous metals, such as aluminium and copper, from various types of product. Applications that often call for Eddy Current Separators include the separation of aluminium from crushed glass, ...


    By Master Magnets Ltd

  • Rare earth magnet minerals in China

    Recently in China, the ministry of industry and information released on its websites, ministry of industry and information, ministry of land and resources, National development and reform commission, etc, 6 ministries in total, jointly issued the notice concerning the special action of renovation towards the national rare earth magnet production. The action will last from August 1st to ...


    By Stanford Magnets

  • Magnets: A viable alternative to flotation for sand producers

    Introduction The basic rudiments of mineral beneficiation have not changed for many years. The techniques have been improved, but are still essentially the same, using either a materials weight, density, shape or magnetic susceptibility to enable separation. For removing impurities from non-metallic minerals, such as silica sand, typical methods include Flotation, Gravity and Magnetic ...


    By Eriez Magnetics Europe Ltd

  • How to Safely Use Neodymium Countersunk Magnets

    Neodymium countersunk magnets are magnets shaped like rings with a hole in the middle. Their magnetic force is very strong despite the size of the magnet. They are known to be five to seven times stronger than ceramic (hard ferrite) magnets.  The countersunk neodymium magnets have many domestic and commercial uses.  They can only work with countersunk screws as they are very brittle ...


    By Stanford Magnets

  • The HogMag Eddy Current Separator - Metal Recovery with Ease

    Why a HogMag? To benefit the customer and the environment the HogMag Eddy Current Separator is fitted with energy saving motors which generates a higher level of speed being achieved increaseing productivity, reducing maintenance and operation costs and improving overall up to 100% metal recovery depending on material. What is A HogMag Eddy Current Separator? ...


    By EcoHog Ltd

  • Rapid, sensitive, and specific immunomagnetic separation of foodborne pathogens

    Food defence requires the means to efficiently screen large volumes of food for microbial pathogens. Even rapid detection methods often require lengthy enrichment steps, making them impractical for this application. There is a great need for rapid, sensitive, specific, and inexpensive methods for extracting and concentrating microbial pathogens from food. In this study, an immunomagnetic ...


    By Inderscience Publishers

  • Visible light induced photocatalytic degradation of rhodamine B by magnetic bentonite

    The photocatalytic activity of magnetic bentonite, Fe3O4 nanoparticles decorated Al-pillared bentonite (Fe3O4/Al-B), for the degradation of rhodamine B (RhB) in the presence of H2O2 under visible light (VL) was evaluated. The effects of different reaction parameters such as catalyst dose, dye concentration and externally added ...


    By IWA Publishing

  • Magnetized manganese oxide nanocomposite for effective decontamination of Cd(II) from wastewaters

    In this study, a composite with magnetic properties has been successfully synthesized by a novel and environmentally friendly route and is applied to Cd(II) adsorption for water decontamination. The quantification of the phases obtained by Rietveld refinement has shown the presence of 84% of Mn3O4 and 16% of Fe3O4. Transmission electron microscopy image shows an ...


    By IWA Publishing

  • Magnetic nanopowder as effective adsorbent for the removal of Congo Red from aqueous solution

    A magnetic iron oxide nanopowder (MnP), prepared by a simple and efficient combustion synthesis technique, was tested for the removal of the anionic dye Congo Red (CR) from aqueous solution. The influence of solution pH, adsorbent dose, temperature, contact time and initial dye concentration on the adsorption of CR onto MnP were investigated. It was shown that the CR adsorption was pH dependent ...


    By IWA Publishing

  • Activated charcoal–magnetic nanocomposite for remediation of simulated dye polluted wastewater

    Herein, we report a straightforward way to fabricate activated charcoal–magnetic nanocomposite (AC–MNC) by chemical precipitation for the sequestration of methylene blue (MB) from a simulated solution. The synthesised nanocomposite was characterised by Fourier transform infra-red (FTIR), Brunauer–Emmett–Teller (BET), transmission electron microscope (TEM) and ...


    By IWA Publishing

  • Vulcanis Maximise Steel Can Recovery with a Bunting Cross Belt Overband Magnet

    Vulcanis has designed and built a new recycling plant to receive and recover steel and aluminium cans in Barking, UK, and purchased a Cross Belt Overband Magnet for steel can recovery from Bunting Magnetics Europe Ltd. Presently, consumers in the UK use approximately 13 billion steel cans and 50 billion aluminium cans per annum and recycling rates are 61% for steel (Tata 2014) and 57% ...


    By Bunting Magnetics Co.

  • Preparation and catalytic performance of copper-containing magnetic catalysts for degradation of azo dye (direct violet)

    A novel magnetically separable magnetic activated carbon supporting-copper (MCAC) catalyst for catalytic wet peroxide oxidation (CWPO) was prepared by chemical impregnation. The prepared samples were characterized by X-ray diffraction (XRD), Brunauer–Emmett–Teller (BET) method, and scanning electron microscopy (SEM) equipped with energy dispersive spectrometry (EDS). The catalytic performance ...


    By IWA Publishing

  • Synthesis of kaolinite/iron oxide magnetic composites and their use in the removal of Cd(II) from aqueous solutions

    Kaolinite/iron oxide magnetic composites (kaolinite/MCs) were used as adsorbent for the removal of Cd(II) from aqueous solutions. The influences of pH, ionic strength, solid/liquid ratio and temperature on Cd(II) sorption on kaolinite/MCs were evaluated. The results showed that the removal of Cd(II) on kaolinite/MCs was strongly dependent on pH and ionic strength. An optimal kaolinite/MCs ...


    By IWA Publishing

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