Imagnetic separation copper slag

Iron Recovery from Discarded Copper Slag in a RHF Direct ...

 · minerals Article Iron Recovery from Discarded Copper Slag in a RHF Direct Reduction and Subsequent Grinding/Magnetic Separation Process Zhicheng Cao 1,2, Tichang Sun 1,*, Xun Xue 1,2 and Zhanhua Liu 2 1 Key Laboratory of High-Efficient Mining and Safety of Metal Mines, Ministry of Education, University of Science and Technology Beijing, Beijing 100083, China; …

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Smelting reduction and kinetics analysis of magnetic iron ...

To improve the recovery of copper, the viscosity of copper molten slag is decreased by the reduction of magnetic iron, which, in turn, accelerates the settling and separation of copper droplets from the slag. A new technology is proposed in which waste cooking oil is used as a reductant to reduce magnetic iron in the copper smelting slag and consequently reduce carbon emissions in the copper ...

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magnetic separation lead and zinc slag material technology

magnetic separation of iron from zinc slag 」 lead and zinc magnetic separationparkhurstprimarycoza. Lead And Zinc Ore Grinding Machine Magnetic separation lead and zinc slag material technology Ore Eliminate the pollution of lead smelting process to remove the slag and one of the valuable zinc slag, iron, silver particles after grinding and, Chat Online; Magnetic Separation Of Zinc Lead.

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Separation & sorting technology for recycling incineration ...

For upstream FE separation the STEINERT MT and STEINERT BR are recommended. Non-Fe separation of fine domestic waste incineration bottom ash. Raw waste incineration bottom ash contains about 2.5% non-Fe metals; the fine-grain proportion in the <10mm range is at least some 60% of the total volume. The non-Fe metals (aluminium, copper ...

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Alternative Reduction of Copper Matte in Reduction Process ...

Gyurov made copper slag oxidation decomposed under pure oxygen system, got different oxidation products at different temperatures and then recycled. 9) Kim used petroleum coke as the reducing agent, reduced copper slag under 1250°C, made reduction product broken-magnetic separation, and got the final magnetic products (iron, more than 65 wt ...

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Recovery of iron from copper slag by deep reduction and ...

Aiming at recovering iron from high-iron-content copper slag, this article introduced a combination technology of deep reduction and magnetic beneficiation, investigated the iron recovery efficiency and optimized the technical conditions. When coke powder with 86wt% fixed carbon was used as a reductant, iron was successfully extracted from the copper slag.

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Effect of Na 2 CO 3 Addition on Carbothermic Reduction of ...

 · Copper smelting slag is a useful secondary resource containing high iron and copper, which can be utilized to prepare crude Fe-Cu alloy by a direct reduction–magnetic separation process for making weathering-resistant steel. However, it is difficult to recover iron and copper from the slag by direct reduction since the iron mainly occurs in fayalite and the copper is held in copper sulfide.

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Mineral Liberation of Magnetite-Precipitated Copper Slag ...

 · Copper smelter slag is the main solid waste generated from copper smelting. Owing to recent overcapacity of the cement industry, which has the highest demand for copper slag, secondary reuse and hence technology development of recycling, has become essential.[] Metal extraction has always been a focus in the study of its reutilization, and many processes have been developed, …

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US20150000467A1

The present invention provides a method of separating and recovering iron from a waste non-ferrous slag, generated in a process for smelting of non-ferrous metals, including copper, zinc and lead, in which a reducing agent and a reaction catalyst are added to the crushed waste non-ferrous slag, and the mixture is subjected to a reduction reaction, thereby converting amorphous iron oxides ...

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A physico-chemical separation process for upgrading iron ...

 · A separation process for upgrading iron from waste copper slag was developed. The process mainly includes reduction, crushing and magnetic separation steps. The magnetic product obtained from the process contains over 65 wt.% iron. The percentage recovery of iron in …

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Magnetic Separation Of Iron From Zinc Slag

magnetic separation copper slag. Waste copper slag is a refractory material with high iron content, but it is difficult to recovery iron minerals from the slag because the iron mainly occurs in fayalite. A new technology of coal-based direct reduction-magnetic separation process was developed to recover iron from the slag assaying 39.85% Fe ...

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Slag Deepfield Copper Electromagnet | Magnetic Lifting ...

Slag Deepfield Copper Electromagnet Few materials are as damaging to magnets and equipment as slag, but the extra-heavy-duty structural design of the Slag Deepfield Copper Electromagnet (SDC) is built to take it. Whether it''s ultra-abrasive scrap, slabs, billets, drop balls, or slag scrap, this is the magnet that can do it all. The copper-wound version…

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US9334548B2

The present invention provides a method of separating and recovering iron from a waste non-ferrous slag, generated in a process for smelting of non-ferrous metals, including copper, zinc and lead, in which a reducing agent and a reaction catalyst are added to the crushed waste non-ferrous slag, and the mixture is subjected to a reduction reaction, thereby converting amorphous iron oxides ...

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

Abstract. To comprehensively reuse copper ore tailings, the recovery of γ-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 process with respect ...

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Utilization of Waste Copper Slag to Produce Directly ...

Waste copper slag is a refractory material with high iron content, but it is difficult to recovery iron minerals from the slag because the iron mainly occurs in fayalite. A new technology of coal-based direct reduction-magnetic separation process was developed to recover iron from the slag assaying 39.85% Fe total and 0.33% Cu.

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Recovery of iron from copper slag via modified roasting in ...

 · A novel technology, modified roasting in CO–CO2 mixed gas and magnetic separation, was presented to recover iron from copper slag. The effects of various parameters such as dosage of flux (CaO), gas flowrate of CO and CO2, roasting temperature, roasting time, particle size of modified slag and magnetic flux density on the oxidized modification and magnetic separation were …

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Selective precipitation of magnetite in copper slag by ...

Molten oxidation is a sustainable process for direct precipitation of magnetite from melt copper smelter slag because it involves zero or less energy input due to the exothermic reaction and free reducing carbon addition. During molten oxidation, magnetite precipitation occurred preferentially because of its intensive ferromagnetism and large ...

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Steel Recovered Fom Slag Magnetic Separator

Steel Recovered Fom Slag Magnetic Separator. Balanced magnetic circuit coils are wound with anodized aluminum strap exceeding class h insulation non-deteriorating glastic coil spacers and core insulation solid steel center core full stainless steel bottom plate 3/16" thick stainless steel replaceable wear plate on center impact area of magnet thick steel side plates in magnet case.

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STEINERT SteelMaster as the perfect accomplice for scrap ...

The STEINERT SteelMaster is designed as an in-line system for scrap recycling plants, but can also be operated as a batch process. The STEINERT SteelMaster has working widths of 1 m, 1.5 m and 2 m and is therefore exactly aligned to the requirements of the scrap-processing sector. The SteelMaster can for instance extract well over 90% of all ...

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Iron Recovery from Discarded Copper Slag in a RHF Direct ...

Studies on the direct reduction of carbon-bearing pellets made from discarded copper slag have been conducted in this paper. They include the influences of reduction coal content, limestone content, industrial sodium carbonate content, reduction temperature, reduction time and layers of carbon-bearing pellets on reduction effect. Finally, the optimum conditions have been obtained.

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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 magnetic separation to recover the metallic iron from reductively roasted copper slag obtained at 1250°C and obtained a concentrate of 66.10% Fe content with Fe recovery of ...

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A novel process to upgrade the copper slag by direct ...

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 exists in copper sulfide.

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magnetic separation pper slag

A novel process to upgrade the copper slag by direct ... 1/4/2019 Direct reduction-magnetic separation is an efficient way to recovery iron from copper slag

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NICKEL RECOVERY FROM ELECTRIC ARC FURNACE SLAG BY …

chrome slag, the content in Cr and other metals is high; it is estimated that an almost equal amount of slag and metals is produced in a charge chrome plant. To recover Cr from charge chrome slag, magnetic and gravity separation methods have been used at bench and industrial scale [19, 20]. • Copper slag. The methods used to

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Alternative Reduction of Copper Matte in Reduction Process ...

of the existence of FeS. The recovery body of copper slag was mainly copper matte, returned to smelting process of copper by means containing acid leaching, flotation recovery and depletion recovery.3,7,8) Copper slag con-tains large amounts of fayalite, direct magnetic separation of iron recovery is limited. Recycling method for Fe is

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magnetic separator from slag in jodhpur

magnetic separators from slag - MC World. Magnetic Separator For Slag Granulation System. magnetic separator from slag in jodhpur. Iron Magnetic Separator From Slag iron magnetic separator from slag is suitable for the wet magnetic separation of the materials whose granularity is below 3mm such as magnetite, pyrrhotite, calcined ore and ilmenite and can also be used for removing iron ...

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Recovery of iron from copper slag via modified roasting in ...

Recovery of iron from copper slag via modified roasting in CO–CO 2 mixed gas and magnetic separation: Ping‑guo Jiang 1,2, Jin‑sheng Liu 2, Yi‑yu Xiao 2, Xiao‑heng Tan 2, Wen‑jie Liu 2: 1 School of Materials Science, Shanghai Dianji University, Shanghai 201306, China; 2 Department of Materials, Metallurgy and Chemistry, Jiangxi University of Science and Technology, Ganzhou 341000 ...

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Separation Process and Method-Ore Beneficiation-

Separation is the main step of ore concentration. Metal recovery and productivity largely depend on the separation process and methods. Based on the physical and chemical properties of ore like its grain size, shape, color, density, friction coefficient, magnetism, moisture and electric property, several process and methods are available.

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Copper Slag Magnetic Separator For Sale

Slag magnetic separation machine crusher for sale slag crusher plant supplier india in india used stone slag c get price and support online copper ore slag crushers dryneedling slag crusher and copper crusher in the field of extractive metallurgy, mineral processing, also known as ore dressing, is the process of separating slag.

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magnetic separation of iron from zinc slag

Magnetic Separation Of Iron From Zinc Slag. METHOD OF SEPARATING AND RECOVERING IRON FROM WASTE 1 A method of separating and recovering iron from a waste nonferrous slag, discharged from a process for smelting of nonferrous metals, including copper, zinc and lead, by physical and chemical separation, the method comprising the steps of: (a) crushing the waste nonferrous slag; (b) …

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Copper Slag Magnetic Separation In South Africa

Magnetic Separators From Slag In South Africa. possibilities of converter slag utilization with magnetic separation metal skulls contained in slag can be recovered but at the same time diíficulties . fraction obtained as a result of magnetic separation of converter slag have been used in this process ..

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Crystal formation and growth by slow cooling for recovery ...

Copper smelting produces large amounts of slag and new methods of handling this by-product are required. Considering copper smelting slag as metal resource, we studied the effects of a slow cooling process on the crystal growth of magnetite in smelting slag and the applicability of magnetic separation …

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