RECOVERY OF IRON FROM COPPER FLASH SMELTING SLAGSRecovery of Iron from Copper Flash Smelting Slags Figure 3 shows the rapid decreasing of copper content in the slag during the first 15 minutes with the graphite rod introduced into the melt, while the iron concentration is maintained almost constant over same period of(PDF) Recovery of iron from copper slag UrtnasanThe recovery behavior of pig iron from copper smelting slag increases with increasing smelting temperature and duration. The recovery rate of pig iron varied greatly depending on the reaction temperature. Keywords copper slag, reduction, pig iron, fayalite, recovery 1.Recovery of iron from copper slag via modified roasting inJun 04, 2020· Up to10%cash back· Based on the above a
Nov 20, 2013· Nov 20, 2013· Aiming at recovering iron from highironcontent 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. Under the optimized
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Carbothermal reduction at elevated temperature (near 1440°C) helped recover a majority of the metal values (e.g., Fe, Cu and Mo) into the ironrich alloy product which can be a feed material for steel making. On the other hand, the nonmetallic residue, the secondary slag, can be used in the glass and ceramic industries.
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Traditionally, copper slag is disposed by water quenched (abbreviated as WQ)method , which cause serious metal pollution [, , , , ]. However, valuable metals in copper slag are wasted by this method. Reduction method is a relatively mature technology for recovery of copper and iron from copper slag.
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Dec 01, · Dec 01, · However, the work was focused on iron recovery and would involve cooling and milling of the product. Recovery of copper from copper slag by physical beneficiation using froth flotation was studied by Sarrafi et al. (2004). They used mercaptobenzothiazole (MBT) collector to recover the copper from the ground copper slag and indicated that a slow
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copper slag recycling plants metal oxides and produces impure copper and an iron rich slag that. at a from reverberatory furnace slag by flotation May 12, 2013
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Recovery of IronMolybdenum Alloy from Copper Slags Figure 2 Slag and ironrich alloy obtained at 1460ºC in an alumina crucible [5] Although, the metallic phase showed three different phases in a very homogeneous dispersion, the matrix is the FeCu alloy with 98,1% of iron and 1,9% of copper
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Jun 04, · Therefore, the recovery ratio of iron in copper slag is an important index for comprehensive recovery and utilization of copper slag resources. More than 80% of iron in copper slag exists in the form of ferric silicate (Fe 2 SiO 4), and only a few Fe exists in magnetite phase. However, the physical and chemical properties of ferric silicate are
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Copper slag can also be used as a building material, formed into blocks. Copper slag is widely used in the sand blasting industry and it has been used in the manufacture of abrasive tools. In general, the spent copper slag is suitable to be used as a fill material for land reclamation.
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In this way, iron contained into slag, using an adequate treatment to to recover copper, molybdenum and iron from copper slag. gravity separation of copper slag and Slag pulverizer machines A process for separating iron from copper slag is 2013 copper slag flotation plant Quarrying and specic gravity and may be recovered for uther
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Metalcess works with you for the whole metal lifecycle from ore extraction to recycling! Copper cathode production line from copper anode, tailored for small medium capacity, provides more flexibility to investors! Metalcess provides Waelz Kiln for the recovery of zinc oxide from low grade zincbearing material including zinc leaching residue
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Feb 03, 2021· Possibilities for minimizing copper losses in converter slags include (1) settling the molten slag to recover entrained matte and copper, (2) smelting the slag with a suitable reductant to recover a copperiron alloy or a lowgrade matte (3) beneficiation of slags by magnetic separation, and
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Jan 17, · Main components of copper slag are iron oxide and SiO 2, these exist in copper slag mainly in the form of fayalite (2FeO·SiO 2). The processing technologies are different depending on the metals to be recovered from copper slag. Hydrometallurgical treatment is
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The recovery behavior of pig iron from copper smelting slag increases with increasing smelting temperature and duration. The recovery rate of pig iron varied greatly depending on the reaction temperature. Keywords copper slag, reduction, pig iron, fayalite, recovery 1.
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Copper slag is a byproduct obtained during smelting and refining of copper. Copper smelting slag typically contains about 1 wt.% copper and 40 wt.% iron depending upon the initial ore quality and the furnace type. Main components of copper slag are iron oxide and silica. These exist in copper slag mainly in the form of fayalite (2FeO ·SiO2).
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In this way, iron contained into slag, using an adequate treatment to to recover copper, molybdenum and iron from copper slag. gravity separation of copper slag and Slag pulverizer machines A process for separating iron from copper slag is 2013 copper slag flotation plant Quarrying and specic gravity and may be recovered for uther
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Copper smelting slag is produced from copper pyrometallurgy (both smelting and converting stages), usually grading at 0.33%. The slag may also contains lead zinc minerals like galena, sphalerite. Copper mainly dwells in the slag in the form of bornite, chalcocite, chalcopyrite, and metallic copper. The rest are iron minerals like magnetic
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Recovery of Iron from Copper Flash Smelting Slags Figure 3 shows the rapid decreasing of copper content in the slag during the first 15 minutes with the graphite rod introduced into the melt, while the iron concentration is maintained almost constant over same period of
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Jun 04, · Up to10%cash back· Based on the above analysis, a new method of recovery of iron from copper slag via modified roasting and magnetic separation is proposed, where the whole system is in a weak oxidizing atmosphere due to stable equilibrium of CO 2 CO , and ferrous oxide (FeO) in fayalite is separated by adding flux (CaO) , and then the free FeO is oxidized and roasted to
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A Study on the Recovery of Iron from Copper Slag with [14] Y. Liao, J. Zhou, F. Huang, Separating and recycling of Fe, Temperature, International Journal of Applied Engineering Cu, Zn from dumped copper slag by microwave irradiation Research, Number 2, 977982 ().
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Nov 14, 2013· The mixture of the slag and ammonium chloride (wt ratio 12) was treated at 320 °C for 120 min and subjected to water leaching. After separation the solid residue was treated with ammonium chloride (wt ratio 12) for 160 min. Recovery of zinc, copper, and iron into solution is, respectively, 91.5, 89.7, and 88.3%.
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the slag cannot be effectively utilized. Main methods in use for iron recovery from copper slag include direct beneficiation for iron recovery [3], oxidative modification [4,5] of iron oxide for iron recovery, smelting reduction for iron recovery [6,7], and direct reduction (DR) for iron recovery [8,9], etc.
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This discarded slag contains important amounts of metallic values such as copper and iron. The recovery of copper values from an Indian smelter slag that
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Approximately 2.03.0 t of copper slag (CS) containing 35%45% iron is generated for every ton of copper produced during the pyrometallurgical process from copper concentrate.
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Nov 14, 2013· Nov 14, 2013· The mixture of the slag and ammonium chloride (wt ratio 12) was treated at 320 °C for 120 min and subjected to water leaching. After separation the solid residue was treated with ammonium chloride (wt ratio 12) for 160 min. Recovery of zinc, copper, and iron into solution is, respectively, 91.5, 89.7, and 88.3%.
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The present invention relates to a process for recovery of iron from copper slag. This invention particularly relates to a process for recovery of iron from a waste like granulated copper slag generated during the production of copper from its ores by a pyrometallurgical method. The present invention will be useful for solving the ecological and environmental issues with an added economic
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Recovery of IronMolybdenum Alloy from Copper Slags Figure 2 Slag and ironrich alloy obtained at 1460ºC in an alumina crucible [5] Although, the metallic phase showed three different phases in a very homogeneous dispersion, the matrix is the FeCu alloy with 98,1% of iron and 1,9% of copper with minor
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Dec 01, · However, the work was focused on iron recovery and would involve cooling and milling of the product. Recovery of copper from copper slag by physical beneficiation using froth flotation was studied by Sarrafi et al. (2004). They used mercaptobenzothiazole (MBT) collector to recover the copper from the ground copper slag and indicated that a slowcooled slag would be more favorable for better
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Nov 20, · Furthermore, copper slag is mainly composed of the fayalite (2FeOSiO 2) phase, which means that iron could potentially be recovered from waste copper slag.Thus, we proposed adding a reduction stage as an additional step to the conventional copper smelting process in order to achieve both removal of hazardous elements and recovery of iron from waste copper slag in the present study.
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