copper slag processing equipment
Comprehensive review on metallurgical recycling and cleaning of copper slag
2021.5.1 Based on the background, a combinative residue-free leaching process for copper slag with sorting, roasting, acid leaching, carbonate precipitation, ammonia
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Sustainable and Comprehensive Utilization of Copper Slag: A
2023.4.21 Due to the angular shape of copper slag compared to most natural sands it can be expected that CUS has a beneficial impact on stability of slopes or embankments
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A comprehensive review on the recovery of copper values from copper slag
2023.8.1 Gorai et al. [37] reviewed copper slag characterization and various processing routes comprising pyro and hydrometallurgical methods for metal recovery
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(PDF) Technology of Processing Slags of Copper
2019.11.19 Technology of Processing Slags of Copper Production using Local Secondary Technogenic Formations A.A. Yusupkhodjaev, Sh.T. Khojiev, B.T.
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Improved Settling Mechanisms of an Industrial Copper Smelting Slag
2023.8.28 Copper in the slag is attributed to entrained droplets and dissolved copper. The entrained copper droplets in a slag treated in a fuming furnace are mainly copper
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The potential for copper slag waste as a resource for a
2021.10.1 1. Introduction Copper slag is a waste produced during pyrometallurgical processing of metals from copper concentrates. The decomposition and oxidation
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Processing of slags of copper manufacturing with
2020.11.6 The article discusses the issues of processing slag of copper production using devices that model ideal mixing. It has been shown that the use of this type of apparatus increases the...
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Minerals Free Full-Text Processing of Waste
2020.3.23 Processing of Waste Copper Converter Slag Using Organic Acids for Extraction of Copper, Nickel, and Cobalt by Pratima Meshram 1, Uday Prakash 1, Lalit Bhagat 1, Abhilash 1,*, Hongbo Zhao
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A new method of full resource utilization of copper slag
2022.6.1 , Ge Liu a b Add to Mendeley doi/10.1016/j.hydromet.2022.105899 Get rights and content Abstract Copper
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Elemental properties of copper slag and measured airborne
The copper slag processing facility produced granules of specific sizes for the abrasive blasting and roofing industries. All processing occurred outdoors, however equipment controls were located indoors. The facility was located on a past smelting site that processed mostly copper, and other metals such as silver and aluminum before its ...
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Recovery of Precious Metals (Au, Ag, Pt, and Pd) from Urban
2020.5.19 With the aim of investigating deportments of precious metals in pyrometallurgical processing of waste electrical and electronic equipment, the distributions of selected precious metals (gold, silver, platinum, and palladium) between copper matte and three different silica-saturated slags (pure FeOx-SiO2, FeOx-SiO2-Al2O3, and FeOx
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A comprehensive review on the recovery of copper values from copper slag
2023.8.1 Processing of copper slag. Though copper slags can be used to manufacture concrete, ceramic tiles, roofing granules, and abrasives, the high logistics cost of transporting them from a remote area to a manufacturing facility makes it uneconomical [112]. However, it is wise to recover the remnant Cu values in the slag, which would not
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Modelling copper smelting – the flash smelting plant, process and equipment
2019.11.12 ABSTRACT The effectivity of present copper smelting technologies have their roots in industrial and laboratory-scale experience accumulated over the past decades. Since early ‘60s, the tools for improving the processing conditions and smelting vessel design included scale modelling and manual computing of homogeneous
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Minerals Free Full-Text Recovery of Iron from Copper Slag
2020.10.31 The Fe3O4 and Fe2SiO4 in copper slag were successfully reduced to metallic iron by coal-based direct reduction. Under the best reduction conditions of 1300 °C reduction temperature, 30 min reduction time, 35 wt.% coal dosage, and 20 wt.% CaO dosage (0.75 binary basicity), the Fe grade of obtained iron concentration achieved
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A new method of full resource utilization of copper slag
2022.6.1 Sarfo et al. (2017) carried out carbothermal reduction process of copper slag (from the United States) by mixing 12.5% carbon with copper slag and reacting at 1420 °C for 0.75 h. The initial copper slag is reduced to low-grade pig iron with the recovery efficiency of up to 90% (Sarfo et al., 2017). However, non-ferrous metal elements can
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(PDF) Experimental Study of the Sulphatizing Roasting of
2021.3.1 The present study focuses on the experimental investigation of sulphatizing roasting of flotation tailings from copper slag processing using iron (II) and (III) sulfates followed by water leaching.
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Distribution and Control of Arsenic during Copper
2022.12.29 Arsenic is a harmful impurity present in copper concentrates [].In copper smelting, converting, and fire refining processes, arsenic can be present in the condensed phases and gas [].Arsenic-containing materials in the off gas is usually collected in the form of dust [].In the condensed phases, the arsenic can be distributed between matte and
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A Review of Comprehensive Utilization of Copper Slag of China
2022.2.2 According to different copper slag depletion process requirements, the total addition ratio of depleting agent and reducing agent accounts for 3–8 wt.% of the copper slag. ... If the stainless steel of catering appliances, bathroom equipment, and daily hardware are all made of antibacterial stainless steel in the future, the market value will ...
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Application of Attainable Region Technique to Optimize Copper Slag
2022.12.23 Copper slag is a hard material produced from smelting copper-bearing ores. Over the years, research has prioritized utilizing slag as a secondary source of base metals. This paper focuses on the grinding/milling of copper slag collected from the BCL Mine in Botswana to obtain a maximum amount of material in the desired size class with
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Recycling of tellurium via copper smelting processes
2020.2.4 3.1 Microstructure and phase compositions. Figure 1 illustrates a typical microstructure of the equilibrated-quenched sample. The equilibrium assembly consisted of three phases: copper alloy, slag and iron-aluminous spinel. In reducing conditions, the spinel only formed on the interface of the crucible and slag, whereas in oxidizing conditions
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Use of waste copper slag, a sustainable material SpringerLink
2014.5.3 The utilization of solid waste is the challenge for the civil and environmental engineers to utilize the waste from different industry to excel the sustainable development, and in the same time, it is matching with the cost concern of the present materials. Copper slag is a by-product obtained during smelting and refining of copper. The waste copper
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Precious metal recoveries in secondary copper smelting with
2019.12.31 Waste electrical and electronic equipment (WEEE) represents a significant urban resource for precious metals. To maximize the recoveries and sustainable use of these metals, their behavior needs to be characterized in the secondary copper smelting of WEEE. The current study experimentally determined the distributions of gold,
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Advances in recovery of valuable metals and waste heat from copper slag ...
2022.10.1 Therefore, copper slag is used as an abrasive for steel surfaces and as a de-rusting agent in shipbuilding, ship repair, mechanical processing and manufacturing, and petroleum and chemical industries. 4.3. Asphalt additive. Copper slag contains FeO, SiO 2, Al 2 O 3, CaO, and other substances, with the contents of iron oxide and silica reaching ...
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Element Distribution and Migration Behavior in the Copper Slag ...
Copper slag is a solid pollutant with high recyclability. Reduction and separation are regarded as effective disposal methods. However, during the melting process, the separation and migration behavior of elements in the copper slag is complicated. Thus, the formation of pollutants cannot be controlled merely by optimizing the operation
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Comparison of environmental performance of modern copper
2021.12.1 The slag, with iron to silica ratio of 1.0 results in 25.8% of copper, which was returned to the slag blow step of converting. Process air for the copper blow has an oxygen enrichment of 22.2% and the oxygen in off-gas, treated together with the gas from slag blow, was set to be 2.5% (Metso Outotec 2021; Schlesinger et al., 2011). 2.3.
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Minerals Free Full-Text Processing of Waste Copper Converter Slag ...
2020.3.23 An innovative, economical, and environmentally sound hydrometallurgical process has been proposed for recovering Cu, Ni, and Co from copper-rich converter slag by organic acids. In the leaching experiments, the effects of organic acid concentrations, pulp density, temperature, and time were investigated. Optimum recovery of 99.1% Cu, 89.2%
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Recovery of iron from copper slag via modified roasting in
2020.6.4 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
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Combined Processing of Copper-Smelting Slags for the
2020.1.14 A large quantity of copper-smelting slag, the total amount of which can hardly be determined, has been accumulated in the wastes in developed nonferrous metallurgy regions [].According to [], Chile has accumulated more than 45 mln t slag and 4 mln t is annually added to this mass.The wastes of the Russian copper-smelting
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