copper recovery magnetic slag
Mintek has been working on the recovery of cobalt, and the associated valuable metals, from slags, since 1988, using DC-arc furnace technology to effect selective carbothermic reduction of the oxides of cobalt, nickel, copper, (and zinc, where present), while retaining the maximum possible quantity of iron as oxide in the slag.
Fig. 7 shows a proposed process flowsheet for the copper, zinc, and iron recovery from copper smelter slag of Balkhash copper plant. In this process, crushed slag, with ammonium chloride in a weight ratio 1:2 is subjected to heat treatment for 120 min at 320 °C.
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Characteristics and utilisation of copper slag—a review ... of copper slag for the production of magnetic oxide, Conference Recycling Metals 1992; 13–15 May. Dusseldorf/Neuss, Germany. Google Scholar. Acma et al., 1997. E. Acma, H. Sesigur, O. Addemir, A. TekinProcessing of Kure (Turkey) copper slag for the recovery of copper and cobalt and ...
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Upgrading of Iron from Waste Copper Slag by A Physicochemical Separation Process Waste copper slag Recycling Carbon reduction Wet magnetic separation iron recovery from slag processing Optimization of magnetic separation process for iron recovery from and the reduced zinc by product as waelz slag are high … Get Price
Copper Recovery Services. Cal-Chem Metals works with Clients across North America on copper recovery projects. These copper reclamation projects include copper slag recovery, copper mud recovery and rod mill scale/filter paper recovery.
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Perhaps copper slag was subjected to the most extensive research work with also a long history of over 100 years (Vircikova and Molnar, 1992). There were numerous reports on recovery of Cu, Ni, and Co from copper slag (Ziyadanogullari, 2000, Barnes et al., 1993, Herreros et al., 1998, Basir et al., 1999).
In this paper, the feasibility of an integrated technological route to improve beneficiation of copper and iron components from copper slag through the modification of molten slag was investigated, and the results shows that: the copper grade of rougher copper concentrate was increased from 6.43 to 11.04%, iron recovery from magnetic separation ...
Steel Slag Recovery Plant grinding mill equipmentiron recovery plant from slagmetalbeach iron recovery plant from slag 22/Jan/2018 Slag WikipediaWeb · Slag is the glass-like by-product left over after a desired -steel slag recovery for iron-,Recovery Of …
Abstract: In order to utilize slag discarded by nickel plants, the selective recovery of nickel and copper versus iron was investigated by selective reduction, which was achieved by controlling the reduction parameters and magnetic separation process on bench scale.
The target of the current work is to investigate the possibility of nickel recovery from EAF slag by magnetic separation. To meet the target, the effect of the following parameters was studied: grain size, magnetic field intensity, thickness of slag layer, moisture content, and re-grinding of the coarser slag …
Recovery of copper from copper slag and copper slag flotation tailings 77by oxidative leaching Leaching with ferric sulphate The slag and the slag flotation tailings were leached with ferric sulphate in 1 M sulphuric acid. The ferric iron concentration was varied in the range from 5 g/dm3 to
Nov 20, 2013· Abstract. 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.
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concentrate, various mining operations have initiated the recovery of copper from dumped slag. The typical process uses crushing, milling and flotation. These operations create excessive liner wear rates during crushing and milling because the bond work index of copper slag is 22 kWh/t and this is considered a very hard slag.
Copper smelting slag is the solid waste generated in the process of smelting copper. Due to the limitations of the smelting technology, most of the copper smelting slag contains a certain amount of copper. Disposing and recycling copper can effectively reduce the waste of useful resources, while generating considerable economic effectiveness.
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 ...
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 ...
LATEST RESULTS OF THE SLAG CLEANING REACTOR FOR COPPER RECOVERY 199 The slag velocity is similar. The results of CFD modelling (Figure 3 and 4) for a large furnace show very high slag velocities (up to 0.08 m/s) below the electrode at low magnetic field values (0.01 tesla). The second part of the channel furnace has a
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.
Copper slag is a solid waste that has to be treated for metals recovery. In order to recover iron from copper slag, the technology of carbothermic reduction and magnetic separation was developed.
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.
Copper extraction refers to the methods used to obtain copper from its ores.The conversion of copper consists of a series of physical and electrochemical processes. Methods have evolved and vary with country depending on the ore source, local environmental regulations, and other factors.
smelter slag flotation with leaching of copper from flotation tailing. 4.3. Magnetic concentration Suitable granulation of smelter slag residue after flotation and leaching, as well as dominant content of ferrosilicate component, were referring to possibility of utilizing magnetic concentration for recovery of magnetic minerals. Magnetic
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copper recovery magnetic slag XSM excellent mining . Process for recovery of iron from copper slag - . Copper Flotation Tailings Machine Equipment In . slag . Get Price And Support Online; Slag - Wikipedia. Slag is the glass-like by-product left over after a desired metal has been separated . Historically, the re-smelting of iron ore slag was ...
In nature, iron, copper, lead, nickel and other metals are found in impure states called ores, often oxidized and mixed in with silicates of other metals. During smelting, when the ore is exposed to high temperatures, these impurities are separated from the molten metal and can be removed. Slag is the collection of compounds that are removed.
May 25, 2017· 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 ...
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