US Patent for Magnetic separation and seeding to improve ...

    Sep 27, 2007 · Generally, magnetic seeding and separation entails mixing magnetic seed, such as magnetite, with the water being treated. Through flocculation, adsorption, absorption and other physical or chemical means, contaminants such as suspended solids, scalants, heavy metals, etc. attach to the magnetic seed to form magnetic particles or magnetic floc.

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    Flocculation-magnetic separation system - Japan Oil, Gas ...

    Sep 30, 2014 · In a flocculation-magnetic separation system comprising a flocculation section generating magnetic flocks by adding flocculant agents and magnetic powders to wastewater that is a target to be treated, and a magnetic separation section separating the generated magnetic flocks by magnetic force, the flocculation-magnetic separation system being ...

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    Magnetic micro/nanoparticle flocculation-based signal ...

    Figure 1A illustrates the magnetic bead flocculation-based signal amplification method. Magnetic particles accumulate due to the magnetic dipole–dipole interaction. ... For instance, conventional standard E. coli detection procedure includes magnetic separation of E. coli from food samples and culturing them in petri dishes, ...

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    Induced rapid magnetic sedimentation of stabilized-Fe3O4 ...

    "Flocculation-assisted magnetic sedimentation" is proposed for nano-separation. Polymer-aided flocculation boosts magnetic separability of the stabilized Fe 3 O 4 particles. Fe 3 O 4 particles flocculated by flocculant of same charge are easier to be recovered. Using flocculant of higher molecular weight reduces the separation efficiency.

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    magnetic separation flocculation - castersmilieu

    A flocculation-magnetic separation is provided which reduces the usage amount of flocculation agents as well as the usage amount of magnetic powders and realizes an improvement in the quality of treated water. In a flocculation-magnetic separation system comprising a flocculation section generating magnetic flocks by adding flocculant agents ...

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    (PDF) Magnetic separation of hematite and limonite fines ...

    flocculation, the magnetic separation could only pro- The effect of solid concentration in hydrophobic floc- duce a concentrate assaying 51% Fe with 48% recovery culation may be correlated with aggregation kinetics and from the fine TK iron ore. However, the FMS process hydrodynamics.

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    Coagulation and Magnetic-Separation Solution, ...

    First, magnetic power and flocculation agents are added to seawater in a high/low-speed roiling tank, and the water is roiled to form magnetized floc measuring around 1mm consisting of plankton, bacteria, mud, and other material.

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    Magnetic flocculation for nanoparticle separation and ...

    Magnetic flocculation thus represents a general platform and alternative paradigm for nanoparticle separation, with potential applications in water treatment and remediation of nanoparticle pollution.

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    Magnetic micro/nanoparticle flocculation-based signal ...

    Figure 1A illustrates the magnetic bead flocculation-based signal amplification method. Magnetic particles accumulate due to the magnetic dipole–dipole interaction. ... For instance, conventional standard E. coli detection procedure includes magnetic separation of E. coli from food samples and culturing them in petri dishes, ...

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    Optimizing the performance of wet drum J magnetic separators

    than coarser particles after magnetization and magnetic flocculation takes place. This is another key aspect of the success of dense media recovery by magnetic separation. Whereas magnetic flocculation promotes the recovery of fine ferromagnetic materials, the nature of the effect also promotes 'stubborn' entrainment of non-magnetic particles.

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    Coagulation and Magnetic-Separation Solution, ...

    First, magnetic power and flocculation agents are added to seawater in a high/low-speed roiling tank, and the water is roiled to form magnetized floc measuring around 1mm consisting of plankton, bacteria, mud, and other material. (2) When then passed through a magnetic separator, the floc adheres to magnetic disks and is removed.

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    Magnetic flocculation and filtration - Page 4 of 7 ...

    flocculation as a process to separate nonmagnetic particles by flocculation with small amounts of injected magnetic particles. The flocs consisting of low and high magnetic-susceptibility .

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    Wet High Intensity Magnetic Separation

    WHIM is the short acronym for Wet High Intensity Magnetic Separation.. At present, most U.S. iron raw materials are produced from magnetic taconites, which are ground to a nominal minus 270 mesh (53 micrometers), beneficiated by wet low-intensity magnetic separation, and pelletized.

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    Magnetic flocculation and filtration - Page 5 of 7 ...

    A model is available in predicting flocculation frequencies between particles of various properties under the influence of a magnetic field. This model provides a basic understanding of fundamental phenomena, such as particle-particle and particle-collector interactions, occurring in HGMF (high gradient magnetic field), and will be extended to describe experimental data of particle ...

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    Magnetic Flocculant for High Efficiency Harvesting of ...

    Magnetic flocculant was synthesized for the highly efficient recovery of microalgal cells. The highest flocculation was achieved using the magnetic flocculant synthesized with iron oxide and 0.1 mg/mL cationic polyacrylamide (CPAM). This resulted in a recovery efficiency of more than 95% within 10 min using a dosage of 25 mg/L for Botryococcus braunii and 120 mg/L for Chlorella ellipsoidea.

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    US20080073278A1 - Magnetic Separation and Seeding to ...

    A process for removing fine particles and particulate from water. The process includes mixing a magnetic ballast, flocculant and water to form magnetic floc, and agitating the magnetic floc in a flocculation zone. A portion of the magnetic floc is collected on a magnetic collector in the flocculation zone. Another portion of the magnetic floc is directed downstream to a setting zone where the ...

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    >>4.18 Separation - Federal Remediation Technologies ...

    Gravity separation is also used for removing immiscible oil phases, and for classification where particles of different sizes are separated. It is often preceded by coagulation and flocculation to increase particle size, thereby allowing removal of fine particles. Magnetic Separation

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    Akira Mochizuki's research works | , Ltd., Tokyo ...

    A flocculation-magnetic separation is provided which reduces the usage amount of flocculation agents as well as the usage amount of magnetic powders and realizes an .

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    Eriez - Magnetic Flocculators

    Eriez Permanent Magnetic Flocculators aid in the separation of minute magnetic particles from liquids and slurries. Used widely in the iron and coal mining industries to speed settling of fine magnetic particles in ore slurries and heavy media slurries, they are finding new use in steel and other industries for agglomerating fine magnetic ...

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    Flocculation: Making clean water (video) | Khan Academy

    Flocculation is the process in which colloids aggregate, or come together, to form larger particles called flocs by the addition of a chemical called a flocculant. Typical flocculants units include alum and ferrix, because they work well with high turbidity fluid mixtures. Now, let's demonstrate how flocculation works.

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    Optimizing the performance of wet drum J magnetic separators

    than coarser particles after magnetization and magnetic flocculation takes place. This is another key aspect of the success of dense media recovery by magnetic separation. Whereas magnetic flocculation promotes the recovery of fine ferromagnetic materials, the nature of the effect also promotes 'stubborn' entrainment of non-magnetic particles.

Get Price
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