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  • A novel process to upgrade the copper slag by direct

    Apr 01, 2019· 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 (metallic Fe and Cu) by direct reducing the mixture of copper slag and carbon as a reductant at about 1200–1300 °C [,,]. In the direct reduction process of copper slag, the

  • Deep reduction recovery of iron from copper slag IIETA

    Magnetic metallic iron powder with low S and P contents, high iron content (92.96%) and high iron recovery rate (93.49%) were produced through deep reduction magnetic separation using coke powder as reductant and CaO as flux under 1,300 °C for 2h.

  • Recovery of metal values from copper slag and reuse of

    Copper slag was characterized and processed. The pyro-metallurgical processing prospects to generate utilizable materials were arrived at through rigorous thermodynamic analysis. Carbothermal reduction at elevated temperature (near 1440°C) helped recover a majority of the metal values (e.g., Fe, Cu and Mo) into the iron-rich alloy product

  • copper recovery magnetic slag Feldspar Crusher Sales

    copper recovery magnetic slag. copper recovery magnetic slag XSM excellent mining crushing machinery products or production line design, the company is committed to building the Chinese brand mine crushing and processing machinery, mainly crusher, mill, sand making our products (copper recovery magnetic slag) in more than one hundred of the worldsales of countries and regions.

  • Recovery of Copper from Reverberatory Copper Slag and

    The slurry was stirred by magnetic stirrer. A schematic flow diagram of the leaching of copper from copper slag is shown in Figure 1. The optimum digestion temperature is 250oC, at which a high recovery of copper from copper slag is achieved. Figure 7. Copper

  • Enhancing the flotation recovery of copper minerals in

    Jan 01, 2020· Slag cleaning can be divided into two types, first being the pyrometallurgical reduction and settling of liquid slag, which is performed in slag-cleaning furnaces, and the second type being the mineral processing-based slag cleaning of solidified or granulated slag by crushing and/or grinding followed by gravity concentration or froth flotation

  • Hydrometallurgical stepwise recovery of copper and zinc

    Nov 01, 2020· Table 2, Table 3 revealed that zinc and copper were mainly present in the forms of zinc oxide and zinc silicate and cuprous oxide and cupric oxide, respectively. The smelting slag sample was ground, mixed, dried, and sieved to obtain 65–75 μm particles for the leaching experiments. Ammonium chloride with a concentration of 99.2% and stronger ammonia water with a concentration of 28% were

  • A novel process to upgrade the copper slag by direct

    Apr 01, 2019· 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 (metallic Fe and Cu) by direct reducing the mixture of copper slag and carbon as a reductant at about 1200–1300 °C [,,]. In the direct reduction process of copper slag, the

  • Deep reduction recovery of iron from copper slag IIETA

    Magnetic metallic iron powder with low S and P contents, high iron content (92.96%) and high iron recovery rate (93.49%) were produced through deep reduction magnetic separation using coke powder as reductant and CaO as flux under 1,300 °C for 2h.

  • Recovery of metal values from copper slag and reuse of

    Copper slag was characterized and processed. The pyro-metallurgical processing prospects to generate utilizable materials were arrived at through rigorous thermodynamic analysis. Carbothermal reduction at elevated temperature (near 1440°C) helped recover a majority of the metal values (e.g., Fe, Cu and Mo) into the iron-rich alloy product

  • Recovery of Copper from Reverberatory Copper Slag and

    The slurry was stirred by magnetic stirrer. A schematic flow diagram of the leaching of copper from copper slag is shown in Figure 1. The optimum digestion temperature is 250oC, at which a high recovery of copper from copper slag is achieved. Figure 7. Copper

  • 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

  • Iron Recovery from Discarded Copper Slag in a RHF Direct

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

  • Synergetic utilization of copper slag and ferruginous

    Mar 20, 2020· Attempts to economically and effectively treat copper slag (CS) and ferruginous manganese ore(FMO) using the traditional direct reduction–magnetic separation process have faced many challenges, such as low levels of metal recovery, poor cost-effectiveness and the need for a high proportion of additives.

  • Improving Copper Recovery from Production Slags by

    Improving Copper Recovery from Production Slags by Advances Stirring Methods Proceedings of EMC 2011 3 treated in the existing copper extraction route or separately in a subsequent reactor the slag phase can be used as construction material for example. 1.2 Conventional pyrometallurgical copper slag

  • RECOVERY OF COPPER FROM COPPER SLAG AND COPPER

    Recovery of copper from copper slag and copper slag flotation tailings 75by oxidative leaching Table 1. Chemical compositions of the copper smelter slag and the slag flotation tailings Constituent Content (wt.%) Copper Slag Slag Flotation Tailings Cu total 0.97 0.59 Cu oxides 0.15 0.06 Cu sulphides 0.82 0.53 SiO 2 33.75 34.62 Al 2 O

  • Copper Recovery INDUSTRIAL SCRAP RECYCLING EQUIPMENT

    Copper Recovery is a manufacturer of wire and cable recycling equipment, offering sales and service worldwide. We also act as agent or representative for some of the finest European manufacturers of recycling machinery. Most recently, we infused our knowledge and know-how gained over the last 18 years of cable recycling, combined it with a

  • 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; [email protected]

  • Iron Recovery from Copper Slag Through Oxidation-Reduction

    A magnetic product containing about 57.9wt% iron was obtained from the magnetic separation under a magnetic field strength of 100 mT. Large amounts of copper slag containing about 40 wt% iron is generated during the process of producing copper. Recovery of iron from the copper slag is very essential not only for recycling the valuable metals

  • (PDF) Recovery of Copper and Cobalt from Copper Slags as

    Copper smelting slag is a solution of molten oxides created during the copper smelting and refining process, and about 1.5 million tons of copper slag are generated annually in Korea.

  • Recovery of copper and cobalt from ancient slag Gülay

    About 2.5 million tonnes of copper smelter slag are available in Küre, northern part of Turkey. This slag contains large amounts of metallic values such as copper and cobalt. A representative slag sample containing 0.98% Cu, 0.49% Co and 51.47% Fe was used in the experimental studies.