— It can be seen from Table 1 that PbSO 4 is the major component in the copper smelter dust which is also the major component in ... Characterization of copper smelter dust for copper recovery. Proc Manuf 7:121–126. Google Scholar Montenegro V, Sano H, Fujisawa T (2013) Recirculation of high arsenic content copper smelting dust to …
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— Smelter dust from copper extraction plants contains copper (Cu), which is both an economic loss and a pollution issue. There is therefore a need for techniques to …
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— Previous study showed that mesophilic bacteria in batch cultures could easily oxidize the dust copper sulfide minerals with high recovery (Massinaie et al., 2006). Biological dissolution of copper smelter dust using GeoCoat technology was also examined (Jamali Paghaleh, 2006). Thus, bacterial leaching is a hydrometallurgical alternative …
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— slags, flue gases, and flue dust.4 Copper smelting open-circuit (CSO) dust is an important by-product of the copper smelting industry with the output accounting for approximately 5–10% of total input.5 The dust normally contains desirable metals (Cu, In, Pb, Zn, Sb, and Bi) as well as unfavorable toxic elements (As and Cd), thereby ...
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The purpose of this study was to develop a resource recovery procedure for recovering copper and zinc from dust produced by copper smelting furnaces during the manufacturing of copper-alloy wires. The concentrations of copper in copper-containing dust do not meet the regulation standards defined by …
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— Maximum copper recovery from concentrate and dust was achieved using a moderately thermophilic culture.Under optimum conditions, copper dissolution from concentrate reached 87.52% with moderately ...
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— Flue dust waste coming from a copper (Cu) smelting company has been valorized using a newly developed metallurgical process with the aim of recovering a …
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— A selective acid leaching process was used to recover copper and zinc from dust produced by copper smelting furnaces during the manufacturing of copper-alloy wires and indicated that zinc extraction efficiency was higher than 95%. The purpose of this study was to develop a resource recovery procedure for recovering copper and zinc from dust …
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Semantic Scholar extracted view of "Recovery of metal values from copper smelter flue dust" by J. Ke et al. Skip to search form Skip to main content Skip to account ..., title={Recovery of metal values from copper smelter flue dust}, author={Jia-jun Ke and Ruifang Qiu and Chia-Yung Chen}, journal={Hydrometallurgy}, year={1984}, volume={12 ...
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— The Bureau of Mines researched methods for recovering copper from cyclone and electrostatic-precipitator dusts of primary copper smelters as part of its program to …
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— The objective of the present work was to recover copper from the dust generated in a copper smelting plant. A representative sample of the dust was …
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— Copper smelting open-circuit (CSO) dust is a significant secondary resource containing a large number of valuable metallic elements, and its comprehensive …
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4, and HCl) for copper recovery. The highest recovery efficiency of over 99% was obtained after 8 h in 1 M nitric acid and was optimized at a pulp density of 20 g/L and a stirring speed of 200 rpm at 20 C temperature. Keywords Flue dust Copper recovery Size separation Magnetic separation Leaching Introduction
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— Maximum copper recovery from concentrate and dust was achieved using a moderately thermophilic culture.Under optimum conditions, copper dissolution from concentrate reached 87.52% with moderately ...
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— In the case of copper recovery, the treatment is performed in an acid solution and results in iron dissolution, which is subsequently extracted by lime precipitation together with any residual copper. ... Precipitation of gold and silver from cyanide solutions by zinc dust is a commonly-used technique in cementation, which also contains lead ...
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— In this study, a process of selective metal recovery from flue dust through the magnetic separation and the leaching process were developed. All the experiments …
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arsenic, zinc, indium, and copper are mainly volatilized to dust. The main problem of this process is the low recovery of valuable metals [1–6]. The second process treats copper smelting dust by leaching, arsenic, zinc, indium, copper are leached to liquid and lead, bismuth, tin are left in slag for the pyrometallurgical processes.
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— Efficient removal and recovery of arsenic from copper smelting flue dust by a roasting method: Process optimization, phase transformation and mechanism investigation ... Given the above experimental results, a flowsheet is proposed for treating flue dust in the copper smelting process, as shown in Fig. S4. Download: Download high-res image …
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— A flue dust that contains valuable metals is generated during smelting operation for e-waste treatment. However, metal recovery from this flue dust has not been extensively studied. The flue dust can contain valuable metals such as gold, silver, copper, and iron. In this study, the flue dust from e-waste was investigated as the potential metal …
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Lakshmi Process & Engineering Consultants are one of the Leading service providers of E-waste Recycling and recovery of Copper PCB scraps in Bangalore. 1.Copper PCB scraps and routed waste can be recycled by wet process using chemicals to produce Copper Sulphate, copper oxy chloride etc. The liquid effluent arises will be sent to Authorized ...
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— Technological development has led to a growing generation of waste electrical and electronic equipment, including cables. This work concerns the recycling of coaxial cables using two less common configurations of electrostatic separators. At first, the cables were comminuted and sieved. Then, they were subjected to electrostatic …
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— On the basis of the above analysis, a hydrometallurgical route is presented in this work, as shown in Fig. 1, for the metal recovery from the flue dusts of secondary copper smelters.In the alkaline zinc electrowinning, Na 2 S has been used to remove Pb from the leach solution, and this approach can recover lead selectively and quantitatively (Zhao …
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— The chemical composition of FDSC presented in Table 1 shows that the main contents of FDSC were 45.69% Pb, 18.90% Cl, 6.85% Br, 4.88% Zn, 2.36% Cu, and 0.56% Cd, respectively. Obviously, the composition was different from that of primary copper metallurgy, especially the high content of Cl and Br, which are derived from the …
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Abstract. A flue dust that contains valuable metals is generated during smelting operation for e-waste treatment. However, metal recovery from this flue dust has not been …
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— DOI: 10.1016/J.MINPRO.2007.10.003 Corpus ID: 95150193; Continuous copper recovery from a smelter's dust in stirred tank reactors @article{Bakhtiari2008ContinuousCR, title={Continuous copper recovery from a smelter's dust in stirred tank reactors}, author={Fereshteh Bakhtiari and Hossein Atashi and …
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— The volume of CSO dust in typical copper smelting-converting operations has amounted to about 800,000 tons a year. This dust is an important source of valued metals, such as Cu, Zn, Pb and Bi (Chen et al., 2012). ... after copper recovery and arsenic removal. The recovery of Zn and Cd was performed simultaneously by neutralization …
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— Separation and recovery of copper in Cu−As-bearing copper electrorefining black slime by oxidation acid leaching and sulfide precipitation. ... XU Zhi-feng, LI Qiang, NIE Hua-ping. Pressure leaching technique of smelter dust with high-copper and high-arsenic [J]. Transactions of Nonferrous Metals Society of China, 2010, 20: s176âˆ's181. …
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— The phase composition of the dust produced during copper smelting is complex and fluctuates considerably.15 Nevertheless, valuable metals can be recovered from copper smelting dust and recy-cled. In general, the processes for the comprehen-sive utilization and treatment of copper smelting dust resources can be classified into …
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— A maximum of 81.32% recovery of copper could be achieved in 10% HCl leaching while H2SO4 leaching resulted in 78.5 % copper. Discover the world's research 25+ million members
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— The separation of Cu, Pb, Zn, and As from copper smelting dust through oxidative alkali leaching and sulfide precipitation, as well as the subsequent recovery of As through calcification precipitation and carbothermal reduction, were realized in this study to utilize resources from and safely treat copper smelting dust. The binding behavior of …
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— However, most companies choose to sell the Cu 2 Te out at relatively low price rather than further recover tellurium and copper separately due to the technical difficulties of separating Cu and Te efficiently. From research and development perspective, focuses are usually placed on tellurium removal from the leaching solution of anode …
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