magnetic separation tailings

Application of magnetic separation for the ...

Three-stage magnetic separation tests were performed on the size fractions coarser than 75 microm produced from the tailings (31.52% B (2)O (3)) using a high-intensity permanent magnetic separator. Under the test conditions a colemanite concentrate with a B (2)O (3) content of 43.74% at 95.06% recovery was shown to be produced from the tailings.

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Recovery of Alumina from Magnetic Separation Tailings of ...

高达10%返现  Feb 13, 2014  The magnetic separation tailings were leached in a glass beaker (250 mL) heated in an isothermal temperature water bath, fitted with a mechanical stirrer and a temperature controller. In each batch, 20 g of magnetic separation tailings (dry weight, precision 0.1 mg) were added into the agitated Na 2 CO 3 solution at the required temperature. A ...

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How fines dry magnetic separation could solve mining's ...

Mar 19, 2021  The Brazilian tailings disaster led to protests and questions about how mining could continue in a safer and more sustainable manner (Credit: Rodrigo S Coelho/Shutterstock) Fines dry magnetic separation promises a new alternative. Even before the 2019 disaster, Vale was busy looking for alternatives to wet magnetic separation.

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Application of magnetic separation for the ...

Oct 01, 2008  Three-stage magnetic separation tests were performed on the size fractions coarser than 75 µm produced from the tailings (31.52% B 2 O 3) using a high-intensity permanent magnetic separator. Under the test conditions a colemanite concentrate with a B 2 O 3 content of 43.74% at 95.06% recovery was shown to be produced from the tailings. The ...

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Pulsating high-gradient magnetic separation of fine ...

高达10%返现  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 the

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Pilot-scale extraction of iron from flotation tailings via ...

Flotation tailings (21.86% iron grade) were obtained from Liaoning Province, China. The preconcentration concentrate, which was used as the roasting feed in this study, was obtained (iron recovery of 88.48%, yield of 77.06%) from the flotation tailings by high-intensity magnetic separation

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Application of magnetic separation for the ...

Three-stage magnetic separation tests were performed on the size fractions coarser than 75 microm produced from the tailings (31.52% B (2)O (3)) using a high-intensity permanent magnetic separator. Under the test conditions a colemanite concentrate with a B (2)O (3) content of 43.74% at 95.06% recovery was shown to be produced from the tailings.

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Extraction of Sc from Sc-Bearing V–Ti Magnetite Tailings ...

Apr 21, 2021  In this study, a magnetic separation–shaking table gravity separation process was used to treat Sc-bearing V–Ti magnetite tailings, and the Sc2O3 content in the Sc concentrate was enhanced from 0.0039 to 0.0061%. The majority of the Sc in the Sc concentrate originates from augite, hornblende, and aluminosilicate. Magnesium chloride and the Sc concentrate were placed in a

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Application of magnetic separation for the ...

Oct 01, 2008  Three-stage magnetic separation tests were performed on the size fractions coarser than 75 µm produced from the tailings (31.52% B 2 O 3) using a high-intensity permanent magnetic separator. Under the test conditions a colemanite concentrate with a B 2 O 3 content of 43.74% at 95.06% recovery was shown to be produced from the tailings. The ...

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Recovery of iron from cyanide tailings with reduction ...

Cyanide tailing is a kind of solid waste produced in the process of gold extraction from gold ore. In this paper, recovery of iron from cyanide tailings was studied with reduction roasting-water leaching process followed by magnetic separation. After analysis of chemical composition and crystalline

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Pilot-scale extraction of iron from flotation tailings via ...

Flotation tailings (21.86% iron grade) were obtained from Liaoning Province, China. The preconcentration concentrate, which was used as the roasting feed in this study, was obtained (iron recovery of 88.48%, yield of 77.06%) from the flotation tailings by high-intensity magnetic separation

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Recovery of Pt and Pd from PGM Mine Tailings by Magnetic ...

that a dry magnetic separation process could be used to concentrate Pt in PGM flotation tailings to over 40 g/t and offer as the additional resource for recovering Pt and Pd. Key Words: Platinum group metals ; Flotation tailing ; Magnetic separation ; Magnetic, Non-magnetic. Original Received January 4, 2010 Accepted for Publication Apria 15, 2010

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Iron recovery from zinc mine tailings by magnetic ...

Jul 22, 2020  Considering the whole process, magnetic separation and carbothermal reduction, the recovery of Fe from the zinc mine tailings was 67%. Therefore, the process route suggested in this study will not only reduce tailings disposal and consequently the risk of environmental accidents, but it will also provide profitable raw material for the steel ...

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Mineral processing - Wikipedia

Magnetic separation is a process in which magnetically susceptible material is extracted from a mixture using a magnetic force. This separation technique can be useful in mining iron as it is attracted to a magnet. ... or "tailings". Thermal drying is usually used for fine particles and to remove low water content in the particles. Some common ...

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Evaluation of Chromite Recovery from Shaking Table ...

This study aimed to evaluate the chromite recovery from shaking table tailings of Forumad plant by a dry high-intensity magnetic separation. The average feed grade of chromium trioxide (Cr2O3) was 7.62% by XRF. Also, different mineral phases were determined by XRD, identifying the presence of Chrysotile, Augite, Albite, Chlorite and Chromite.

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Recovery of rare earth elements minerals from iron oxide ...

Jun 01, 2019  They indicate that magnetic separation may be used to achieve modest preconcentration, the success of which is limited by the complex nature of the tailings and its concomitant magnetic properties, and thus warranting the need for further downstream processing (e.g., froth flotation) to produce cleaner, higher grade REE minerals concentrates ...

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Minerals Free Full-Text Magnetic Preconcentration and ...

Magnetic separation experiments were carried out and supplemented with a process mineralogical study. Specifically, the magnetic separation with a combination of low-intensity (LIMS) and pulsating high-gradient magnetic separation (HGMS) with SLon® and the characteristics of the resulting concentrates and tailings were investigated.

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An integrated value chain to iron-containing mine tailings ...

The paper objective is to develop a combined process for iron-containing mine tailings capitalization associates the benefits of magnetic separation to reduce the iron content, microwave digestion for metals forms solubilization from solid matrix and microemulsion for their extraction, concentration, and recycling from the digested sample ...

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iron ore wet magnetic separator iron sand separating equipment

2021-8-23 Dry processing of iron ore presents an opportunity to eliminate costs and wet tailings generation associated with flotation and wet magnetic separation circuits. STET has evaluated several iron ore tailings and run of mine ore samples at bench scale (pre-feasibility scale).

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Recovery of γ-Fe2O3 from copper ore tailings by ...

The process of separation and recovery of γ-Fe 2 O 3 is summarized in Figure 13. The pyrrhotite rich in copper ore tailings was oxidized to γ-Fe 2 O 3 which was highly magnetic in magnetizing roasting. Meanwhile, sulfur in the form of SO 2 was released from the

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Recovery of iron from vanadium tailings with coal-based ...

A technique with coal-based direct reduction followed by magnetic separation is presented in this study for recovering and reusing iron otherwise wasted in vanadium tailings. Process parameters such as usage of additives, tailings/reductant/additives ratio, reduction temperature and time, as well as

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Application of magnetic separation for the ...

Oct 01, 2008  Three-stage magnetic separation tests were performed on the size fractions coarser than 75 µm produced from the tailings (31.52% B 2 O 3) using a high-intensity permanent magnetic separator. Under the test conditions a colemanite concentrate with a B 2 O 3 content of 43.74% at 95.06% recovery was shown to be produced from the tailings. The ...

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Recovery of Pt and Pd from PGM Mine Tailings by Magnetic ...

that a dry magnetic separation process could be used to concentrate Pt in PGM flotation tailings to over 40 g/t and offer as the additional resource for recovering Pt and Pd. Key Words: Platinum group metals ; Flotation tailing ; Magnetic separation ; Magnetic, Non-magnetic. Original Received January 4, 2010 Accepted for Publication Apria 15, 2010

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Iron Tailings Re-Processing Technology, A New Weapon for ...

Nov 19, 2020  01 01: Iron tailings re-processing - the magnetic separation. For some iron tailings, iron exists in the magnetite and weakly magnetic hematite and limonite. Gangue minerals are mainly non-magnetic quartz, calcite and so on. The magnetic differences between them determine that the process of magnetic separation can be applied to ...

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An integrated value chain to iron-containing mine tailings ...

The paper objective is to develop a combined process for iron-containing mine tailings capitalization associates the benefits of magnetic separation to reduce the iron content, microwave digestion for metals forms solubilization from solid matrix and microemulsion for their extraction, concentration, and recycling from the digested sample ...

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Recovery of γ-Fe2O3 from copper ore tailings by ...

The process of separation and recovery of γ-Fe 2 O 3 is summarized in Figure 13. The pyrrhotite rich in copper ore tailings was oxidized to γ-Fe 2 O 3 which was highly magnetic in magnetizing roasting. Meanwhile, sulfur in the form of SO 2 was released from the

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Upgrade of nickel and iron from low-grade nickel laterite ...

Aug 23, 2021  Subsequently, the mixed slurry was put into a Davis tube (CRIMM DCCXG ϕ50 mm) for magnetic separation of Ni–Fe concentrates from tailings at magnetic field intensity of 0.1 T for 10 min. The wet concentrates and tailings were both filtered and dried at 80 °C in a vacuum oven for 150 min for subsequent weighing and chemical analysis.

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A discussion of magnetic separation techniques for ...

Magnetic separation has long been used to upgrade and beneficiate a wide variety of industrial minerals. Advances in both wet and dry magnetic separators over the years has broadened their ... As examples, the ilmenite tailings case study presented in this paper shows how advances in

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Iron ore beneficiation and process,gravity and ...

Dec 17, 2020  Combination of flotation and magnetic separation: the magnetite-hematite ore of qualified particle size is fed into the magnetic separator for weak magnetic separation to obtain strong magnetic iron ore and weak magnetic tailings, and the tailings are fed into the magnetic separator for weak magnetic separation. In strong magnetic separation ...

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Mineral processing - Wikipedia

Magnetic separation is a process in which magnetically susceptible material is extracted from a mixture using a magnetic force. This separation technique can be useful in mining iron as it is attracted to a magnet. ... or "tailings". Thermal drying is usually used for fine particles and to remove low water content in the particles. Some common ...

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Reduction roasting–magnetic separation of vanadium ...

Oct 27, 2015  Reduction roasting with sodium sulfate followed by magnetic separation was investigated to utilize vanadium tailings with total iron grade of 54.90 wt% and TiO 2 content of 17.40 wt%. The results show that after reduction roasting–magnetic separation with sodium sulfate dosage of 2 wt% at roasting temperature of 1150 °C for roasting time of 120 min, metallic iron concentrate with total iron ...

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Minerals Free Full-Text Magnetic Preconcentration and ...

Magnetic separation experiments were carried out and supplemented with a process mineralogical study. Specifically, the magnetic separation with a combination of low-intensity (LIMS) and pulsating high-gradient magnetic separation (HGMS) with SLon® and the characteristics of the resulting concentrates and tailings were investigated.

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(PDF) Recycling iron powder by magnetization and magnetic ...

PDF On Jan 1, 2014, Y. Li and others published Recycling iron powder by magnetization and magnetic separation from iron ore tailings Find, read and

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Magnetic separation for mining industry – Magnetense

Our magnetic system for the mining industry are designed to perform the magnetic separation of: EMATITE, SALT,BARITE, TAILINGS, TITANIUM ORE, VADIUM, TUNGSTEN, MOLYBDENUM, NICKEL ORE, MAGNESIA, COPPER ORE, MAGNESITE, COAL, COBALT, POTASH SALT, GRAPHITE, MICA, LIMENITE RUTILE, NICKEL ORE, GOLD ORE, IRON ORE, FELDSPAT, CHROME ORE, DIAMOND

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