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US4261815A Magnetic separator and method Google

US4261815A Magnetic separator and method Google

A separator to receive a fluid slurry containing magnetic particles and non-magnetic particles and operable to increase the concentration of the magnetic particles at one region within the slurry and deplete the concentration of the magnetic particles at another region of the slurry. There are no moving parts in this separator and its operation is continuous.

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Magnetic separation of general solid particles realised by

Magnetic separation of general solid particles realised by

Dec 08, 2016 Magnetic separation has been conventionally used to collect materials that are either ferromagnetic, ferrimagnetic or strongly paramagnetic. The dynamic motion of weak magnetic materials generally ...

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Gradient Magnetic Separation an overview ScienceDirect

Gradient Magnetic Separation an overview ScienceDirect

Joan S. Esterle, in Applied Coal Petrology, 2008 3.7.5 Magnetic Separation. High gradient magnetic separation (HGMS) (Trindale et al., 1974, and Liu, 1982) is based on coal being diamagnetic (repulsed by a magnet), whereas pyrite is paramagnetic (attracted to a magnet). The magnetic susceptibility of pyrite is 0.3 10-6 G/g (G gauss), compared to coal at -0.4 10

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Pulsating highgradient magnetic separation of fine

Pulsating highgradient magnetic separation of fine

Aug 01, 2009 Pulsating high-gradient magnetic separation (PHGMS) of fine hematite from tailings was studied using a pilot PHGMS separator to investigate the possibility of its application in industry. The results of this investigation indicate that PHGMS is effective for recovering fine hematite from the tailings and greatly improved the separation performance compared with

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HighGradient Magnetic Separation Method for Weakly

HighGradient Magnetic Separation Method for Weakly

Magnetic separation is a technique for removing scrap and concentrating iron ores. Numerous works on magnetic separation have been addressed published 13, which use describes various devices for mineral pro-cessing. Conventional magnetic separation devices are generally lim-ited to the separation of highly magnetic materials, such as iron ...

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Magnetic separation for environmental remediation

Magnetic separation for environmental remediation

Nov 01, 1994 Magnetic separation is a physical separation process that segregates materials on the basis of magnetic susceptibility. Because the process relies on physical properties, separations can be achieved while producing a minimum of secondary waste. Most traditional physical separation processes effectively treat particles larger than 70 microns.

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Weak cation magnetic separation technology and

Weak cation magnetic separation technology and

Weak cation magnetic separation technology analysis We prepared a 200-L sample tube of thoroughly mixed weak cation magnetic sus-pension by adding 10 L magnetic beads binding buffer, 10 L magnetic beads suspension, and 5 L serum, mixing at least 5 times using the sampling gun, and standing at room tempera-ture for 5 min.

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Magnetizing Reduction and Magnetic Separation

Magnetizing Reduction and Magnetic Separation

by low-intensity magnetic separation. Many weakly magnetic minerals can be converted to more strongly magnetic compounds by magnetizing reduction processes 10-12. Geological Survey of Pakistan (GSP) during regional survey in 1989 discovered iron ore deposits near Chiniot town and adjoining areas such as Rajoa, Chak Jhumra, Wad Syedan,

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Study on buildup of fine weakly magnetic minerals on

Study on buildup of fine weakly magnetic minerals on

Abstract Buildup of magnetic mineral particles on matrices determines the saturated deposit volume of minerals, which is of great importance in the high gradient magnetic separation (HGMS) systems. In this paper buildup of fine weakly magnetic minerals on the matrix is studied with a force equilibrium model.

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Magnetic Separation of Sulphide Minerals 911

Magnetic Separation of Sulphide Minerals 911

4 MAGNETIC SEPARATION OF SULPHIDE MINERALS range of variation in susceptibility demon- strated by the various sulphides. COPPER-FLOTATION PLANTS Macuchi, Ecuador At the mill of the Cotopaxi Exploration Co., Macuchi, Ecuador, the principal minerals are chalcopyrite, pyrite, barite, and quartz. The ore contains considerable

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IOP Conference Series Materials Science and

IOP Conference Series Materials Science and

at this time the magnetic separation technology can only be separated from large and strong magnetic particles, while the separation of paramagnetic and weakly magnetic particles was powerless, magnet-ic separation technology was greatly limited13. Figure 1. Schematic diagram of magnetic separation

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PDF A discussion of magnetic separation techniques for

PDF A discussion of magnetic separation techniques for

Figure 1 depicts the basic magnetic separation technologies now available in the marketplace in terms of field intensities and modes of processing. LIMS and scalper magnets are not detailed in this paper. The selection of magnetic separation technology depends on many processing factors, including particle size, and the specific assemblage of minerals and grades as well as

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PULSATING HIGH GRADIENT MAGNETIC SEPARATION

PULSATING HIGH GRADIENT MAGNETIC SEPARATION

The uniform magnetic field was de-homogenized by magnetic matrix, which led to the high magnetic field gradient on the matrix, so that weakly magnetic particles are separable in HGMS separator (Zheng et al., 2016). It is generally believed that HGMS is a deep bed filtration process (Svoboda, 2001), onto which an external magnetic field

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Separation process of iron ore iron ore magnetic

Separation process of iron ore iron ore magnetic

Sep 08, 2020 Gravity separation process and strong magnetic separation process are mainly used to separate coarse-grained (2mm-20mm) and medium-grained weakly magnetic iron ore. Among them, coarse and extremely coarse (greater than 20mm) ores are commonly used in heavy medium or jigging gravity separation technology

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Recovery of Fe2O3 from copper ore tailings by

Recovery of Fe2O3 from copper ore tailings by

Abstract. To comprehensively reuse copper ore tailings, the recovery of -Fe 2 O 3 from magnetic roasted slag after sulfur release from copper ore tailings followed by magnetic separation is performed. In this work, after analysis of chemical composition and mineralogical phase composition, the effects of parameters in both magnetization roasting and magnetic separation

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US4261815A Magnetic separator and method Google

US4261815A Magnetic separator and method Google

A separator to receive a fluid slurry containing magnetic particles and non-magnetic particles and operable to increase the concentration of the magnetic particles at one region within the slurry and deplete the concentration of the magnetic particles at another region of the slurry. There are no moving parts in this separator and its operation is continuous.

More
Magnetic separation techniques and HTS magnets

Magnetic separation techniques and HTS magnets

Magnetic separation techniques Figure 2. Magnetic eld generated using an HTS winding. Figure 3. HTS conductor current density Je required to generate different magnetic elds. the electromagnet copper conductor with the HTS wire the resistive loss of the electromagnet will be ideally reduced to 1105 of the copper winding loss.

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PDF Magnetic separation of weakly magnetic copper minerals

PDF Magnetic separation of weakly magnetic copper minerals

Koos Agricola. Jan Top. A. F. Fort. High Gradient Magnetic Separation of small (5-38 m) weakly magnetic copper mineral particles from a copper concentrate and ore has been performed. In previous ...

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Magnetic separation of weakly magnetic copper minerals

Magnetic separation of weakly magnetic copper minerals

Abstract High Gradient Magnetic Separation of chalcopyrite and bornite, both weakly magnetic copper minerals with mass susceptibilities of about 0.1 10 -6 m 3 /kg and 0.2 10 -6 m 3 /kg respectively, has been performed. Initially pure mineral samples were processed before turning to copper samples with decreasing content of the minerals. These were a concentrate, flotation

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Magnetic Separation of Weakly Magnatic Copper Minerals

Magnetic Separation of Weakly Magnatic Copper Minerals

High Gradient Magnetic Separation of small (5-38 m) weakly magnetic copper mineral particles from a copper concentrate and ore has been performed. In previous work coarser fractions of these minerals, bornite and chalcopyrite, were separated successfully. The recovery of the smaller particles in the magnetic fraction decreases but their grade increases compared

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Magnetic separation of weakly magnetic copper minerals

Magnetic separation of weakly magnetic copper minerals

Sep 01, 1985 adshelpatcfa.harvard.edu The ADS is operated by the Smithsonian Astrophysical Observatory under NASA Cooperative Agreement NNX16AC86A

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PDF HighGradient Magnetic Separation Method for

PDF HighGradient Magnetic Separation Method for

Oct 27, 2019 High-Gradient Magnetic Separation Method for Weakly Magnetic Particles an Industrial Application October 2019 Metallofizika i Noveshie Tekhnologii 41(8)1103-1119

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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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Structuralandmagneticstudiesonheavymetal

Structuralandmagneticstudiesonheavymetal

adsorbate by magnetic separation. This paper examines the structure of weakly magnetic and strongly magnetic iron sulphide material produced by SRB with a view to increasing the understanding of its adsorbent and the magnetic properties. The structural properties have been examined using high-resolution imaging and electron diraction in

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Magnetic Separation of Sulphide Minerals 911

Magnetic Separation of Sulphide Minerals 911

4 MAGNETIC SEPARATION OF SULPHIDE MINERALS range of variation in susceptibility demon- strated by the various sulphides. COPPER-FLOTATION PLANTS Macuchi, Ecuador At the mill of the Cotopaxi Exploration Co., Macuchi, Ecuador, the principal minerals are chalcopyrite, pyrite, barite, and quartz. The ore contains considerable

More
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

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Magnetic separation techniques and HTS magnets

Magnetic separation techniques and HTS magnets

Magnetic separation techniques Figure 2. Magnetic eld generated using an HTS winding. Figure 3. HTS conductor current density Je required to generate different magnetic elds. the electromagnet copper conductor with the HTS wire the resistive loss of the electromagnet will be ideally reduced to 1105 of the copper winding loss.

More
Study on buildup of fine weakly magnetic minerals on

Study on buildup of fine weakly magnetic minerals on

Abstract Buildup of magnetic mineral particles on matrices determines the saturated deposit volume of minerals, which is of great importance in the high gradient magnetic separation (HGMS) systems. In this paper buildup of fine weakly magnetic minerals on the matrix is studied with a force equilibrium model.

More
DRY MAGNETIC SEPARATION OF RODMILL FEED AT

DRY MAGNETIC SEPARATION OF RODMILL FEED AT

magnetics may be sufficiently lower to allow more of the weakly magnetic particles to be rejected. Linear regressions relating weight rejection with magnetic iron content in the feed were run for the old belt at splitter position 25 and the new belt at splitter positions 25 and 21, Figure 3. These regressions indicate

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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 EFFICIENCY IN THE FOOD

MAGNETIC SEPARATION EFFICIENCY IN THE FOOD

High holding force, designed for very small and weakly magnetic contamination, is essential to effectively extract weakly magnetic metal, rust and stone contaminations encountered in the food industry of today. These fragments require close contact with the magnet surface to ensure high percentage extraction.

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Magnetic Separation of Sulphide Minerals 911

Magnetic Separation of Sulphide Minerals 911

4 MAGNETIC SEPARATION OF SULPHIDE MINERALS range of variation in susceptibility demon- strated by the various sulphides. COPPER-FLOTATION PLANTS Macuchi, Ecuador At the mill of the Cotopaxi Exploration Co., Macuchi, Ecuador, the principal minerals are chalcopyrite, pyrite, barite, and quartz. The ore contains considerable

More
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