magnetic separation copper slag

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Extraction and separation of copper and iron from copper …

The CSS processed by the concentrator contains 6.96% copper and 42.42% iron. After cooling by the slag conveyor, the copper concentrate containing 29.44% copper and …

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Magnetic Separation Of Ferrochrome Slag|Mineral processing

When this magnetic separation of slag fraction of more than 5 mm is carried out in a magnetic field with intensity 110-250V AC/m at a linear velocity of the separated material in the magnetic n the Le of 0.5-1.2 m/s Slag fractions up to 5 mm before magnetic separation is subjected to pneumatic classification by class 0.2-0.3 mm and are ...

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Improving Beneficiation of Copper and Iron from Copper Slag by

the roasting-magnetic separation process is the route to convert the metals into a desired phase, which can be easily separated from the slag through mixing copper slag with calcium oxide as fluxes and carbon as a reducing agent, then roasting the mixture at a temperature of about 1200–1300 c, followed by magnetic separation to recover iron from …

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Magnetic Separation Copper Slag

Magnetic Separation Copper Slag Ochsnerreisen. Magnetic separation copper slag.In the indirect reduction of slag at temperatures above its melting point, metallic iron is mainly concentrated at the outer surface of the product, forming large inclusions that are easily extracted by magnetic separation.An expedient approach is to reduce laminar batch consisting of slag …

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Recovery of iron from copper slag via modified roasting …

As shown in Fig. 10, the iron grade of concentrate and tailing and iron recovery ratio of raw copper slag by direct magnetic separation are 48.97%, 39.64% and 33.93%, …

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Magnetic Separation Copper Slag

Magnetic separation copper slag.In the indirect reduction of slag at temperatures above its melting point, metallic iron is mainly concentrated at the outer surface of the product, forming large inclusions that are easily extracted by magnetic separation.An expedient approach is to reduce laminar batch consisting of slag layers no thicker than ...

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Copper recovery magnetic slag

A novel process to upgrade the copper slag by dir. An innovative technology for direct reductionmagnetic separation with the addition of Na 2 CO 3 and CaO was studied to upgrade copper slag assaying 40 33% Fe total and 0 65% Cu It is difficult to recover iron and copper from the slag by direct reduction since the iron mainly occurs in fayalite and the copper exists …

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magnetic separation copper slag

Feb 17, 2021 copper slag (CS) by direct reduction–magnetic separation. By reducing CS at 1200–1300 C, fayalite and copper sulfide can be transformed into metallic iron and copper, and then Fe-Cu alloy phase can be formed [25]. Subsequently, a magnetic separation process is used to recover the Fe-Cu alloy.

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CN102994765B

The method has the advantages of being clean, environment-friendly and zero-emission in waste copper slag treatment process, not only realizing the effective recovery of resources, and reducing...

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Copper Slag Magnetic Separation In South Africa

Bcl slag contains both copper and iron which are of interest and subsequently copper as mentioned can be recovered using flotation and iron be recovered using magnetic separation . talks about past work on recovery of iron from copper slag using direct reduction magnetic separation which yielded iron concentrate of 90.68 assay. the bcl slag is.

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Smelting reduction and kinetics analysis of …

The waste cooking oil decreased the slag viscosity by reducing the magnetic iron content in the copper slag. Decreasing the slag viscosity can improve the kinetics of the separation of...

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Magnetic Separation Method

Magnetic Separation Method. Magnetic separation is a process used to separate materials from those that are less or non­magnetic. All materials have a response when placed in a magnetic field, although with most, the effect is too slight to be detected. The few materials that are strongly affected (magnetised) by magnetic fields are known as ...

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Magnetic separation method of steel-making slag, and magnetic

When the steelmaking slag is heat-treated, the magnetization of the iron-based compound increases, and a larger amount of the iron-based compound can be removed by magnetic separation. The...

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Magnetic Separation of Metallics from Ferrochrome Slag

The separation between slag and metal is not perfect and the granulated slag contains ~1% to 3% of entrapped ferrochrome. Apart from being a loss of valuable Ferro …

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A novel process to upgrade the copper slag by direct reduction-magnetic …

An innovative technology for direct reduction-magnetic separation with the addition of Na2CO3 and CaO was studied to upgrade copper slag assaying 40.3… : Copper slag Direct reduction Wet magnetic separation Na CO CaO DOI: 10.1016/j.powtec.2019.02.046 : 2019 Elsevier Powder Technology …

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Separation of Copper-Nickel by Flotation and Magnetic Methods

The mattes are slow cooled for 4 days, increasing the grain size of the mattes, which improves the sharpness of the subsequent separation. After the mattes are ground to liberate the sulfides, the copper-nickel metallics, which contain a high concentration of precious metals, are removed by magnetic separation.

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Minerals | Free Full-Text | Iron Recovery from Discarded Copper Slag …

By using DR followed by a magnetic separation process for iron recovery from copper slag, Yang [ 10] obtained iron powder of 92.05% iron content with an iron recovery rate of 81.01%, and Wang [ 11] obtained iron powder of 92.96% iron content with an iron recovery rate of 93.49%. Both of their tests have achieved good results.

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Recovery of iron from copper slag via modified roasting

The optimum conditions for recovering iron by oxidizing roasting and magnetic separation are as follows: calcium oxide content of 25 wt.%, mixed gas flow rates of CO2 and CO of 180 and 20...

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magnetic separation copper slag

Improving Beneficiation of Copper and Iron from Copper. The roastingmagnetic separation process is the route to convert the metals into a desired phase which can be easily separated from the slag through mixing copper slag with calcium oxide as fluxes and carbon as a reducing agent then roasting the mixture at a temperature of about 12001300 C followed by magnetic …

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A novel process to upgrade the copper slag by direct …

Direct reduction-magnetic separation is an efficient way to recovery iron from copper slag, where iron and copper minerals can be transformed into the desired phases …

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Improving Separation of Cu–Fe from Copper Slag by

Chemical phase analysis of the sample was used to measure the quantitative distribution characteristic of iron and copper in the copper slag, and the results are shown in …

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Separation of Copper-Nickel by Flotation and Magnetic …

After the mattes are ground to liberate the sulfides, the copper-nickel metallics, which contain a high concentration of precious metals, are removed by magnetic separation. Then the copper sulfides are floated from …

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Separation of Copper-Nickel by Flotation and Magnetic Methods

However, magnetic separation of the copper-rich fraction removed metallics high in copper (40 to 50 pct), which would indicate that copper was the predominant species being floated and that the iron-nickel alloy was mechanically attached to the copper grains. ... because cobalt would be readily lost to the slag in a copper convertor. A small ...

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Copper Recovery Through Smelter Slag Flotation in Atacama, …

Results showed that, under the proper conditions, the copper grade of the rougher stage increased from 6,43% to 11,04%; the iron recovery of magnetic separation significantly increased from 32,40% to 63,26%; and other evaluation indexes slightly changed in comparison with unmodified copper slags.

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Recovery of Copper and Magnetite from Copper Slag Using

Finally, the treated copper slag was crushed and grinded down to 40 μm, and two fractions were obtained by magnetic separation. The magnetic fraction (85%) was mainly comprised of magnetite, while the non-magnetic fraction (15%) had 5–10 wt. % Cu. Considering the experimental results, 7.5–18 kg Cu/t slag might be recovered from the slag.

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laboratory magnetic separation copper

Copper Slag Magnetic Separation Abstract An innovative technology for direct reduction magnetic separation with the addition of Na2CO3 and CaO was studied to upgrade copper slag assaying 40.33 Fetotal and 0.65 Cu. It is difficult to recover iron and copper from the slag by direct reduction since the iron mainly occurs in fayalite and the copper ...

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Stepwise Utilization Process to Recover Valuable Components from Copper …

It is effective to recover iron from copper slag (CS) by direct reduction–magnetic separation. By reducing CS at 1200–1300 °C, fayalite and copper sulfide can be transformed into metallic iron and copper, and then Fe-Cu alloy phase can be formed [ 25 ]. Subsequently, a magnetic separation process is used to recover the Fe-Cu alloy.

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Smelting reduction and kinetics analysis of magnetic iron in …

The waste cooking oil decreased the slag viscosity by reducing the magnetic iron content in the copper slag. Decreasing the slag viscosity can …

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A novel process to upgrade the copper slag by direct reduction …

An innovative technology for direct reduction-magnetic separation with the addition of Na 2 CO 3 and CaO was studied to upgrade copper slag assaying 40.33% Fe total and …

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Smelting reduction and kinetics analysis of magnetic iron in copper

Because the copper smelting slag contains large amounts of magnetic iron, the modification of copper slag involves the reduction of iron oxides in the slag. In recent years, several studies investigating the reduction of magnetic iron in copper slag have been performed.

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Application of magnetic separation to steelmaking slags for

In this study, a basic oxygen furnace (BOF) steelwork slag obtained from the Kardemir integrated iron and steel works, Karabuk, Turkey is used. A drum magnetic separator system …

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Magnetic separation

Magnetic separation is the process of separating components of mixtures by using a magnet to attract magnetic substances. The process that is used for magnetic separation separates non-magnetic substances from those which are magnetic. This technique is useful for the select few minerals which are ferromagnetic (iron-, nickel-, and cobalt-containing minerals) and …

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Iron Ore Separation From Copper Slag

Utilization of Waste Copper Slag to Produce Directly. Kim et al. carried out a research on reduction-magnetic separation process, where reduction at 1250°C for h and then followed by dry magnetic separation to recover iron from the copper slag of Korea Zinc Co., Ltd., but the grade of product is low and SiO 2 content is as high as %.

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Liberation and Enrichment of Metallic Iron from …

Fayalite in copper slag is reduced to metallic iron and silica through carbothermal reduction, and zinc and lead are enriched in the dust.11 Kim et al.8 performed grinding …

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