The flotation process enriched copper in the slag concentrate, compared with FSF slag, in addition to the significant increase in copper grade (about 21.55 %), the As and Cd …
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The copper flotation recovery rate is generally above 90%, the copper concentrate grade is greater than 20%, and the tailings contain 0.3% to 0.5% copper. Common ones …
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The obtained Cu-concentrate is sent to the pyrometallurgical process. If grinding is not fine enough for efficient flotation, copper is lost in tailings. In this paper, the ferric leaching …
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The beneficiation of copper slag employing gravity concentration and froth flotation, with particular emphasis on different collector systems, has been reviewed thoroughly. Further, …
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In this paper, the ferric leaching of slag flotation tailings is studied. Copper extractions of 66% are achieved by ferric leaching, and Cu content in tailings is reduced from …
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Several processing strategies have been investigated for recovery of valuable metals from the copper slag including flotation, hydrometallurgy, pyrometallurgy, and an …
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Flotation is the dominant beneficiation method at present, which mainly aims at utilizing the residual copper in the slag (Zhou et al., 2021; Piatak and Parsons, 2015).However, …
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After copper recovery by flotation, the remaining part of the slag is considered waste and disposed of in the slag dump area. However, even after copper recovery, copper slag …
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The separation of copper and arsenic has always been a major problem of the flotation beneficiation process, which is affected by the multiple factors: the chemical speciation …
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In the pyrometallurgical production and beneficiation of primary Cu, the formation of smelting slags is a necessary by-product. It is estimated that ca. 2–3 tons of slag are …
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Flotation is a common method widely used to recover copper sulfide and metallic copper from CSS because of its low cost, short process, and excellent recycling effect [6].More …
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Copper slag (CS) is typically generated during the smelting of copper sulphide concentrates and the refining of blister copper. Globally, nearly 80 % of copper is produced via …
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Leaching of copper and zinc from copper converter slag flotation tailings using H2SO4 and biologically generated Fe2(SO4)3. Hydrometallurgy, 119–120 (2012), pp. 40-46. …
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Consequently, flotation was attempted to recycle Cu in slag containing copper sulphide components. Three key factors affecting flotation were ascertained, namely, grinding …
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Copper smelter slag and copper smelter slag flotation tailings were leached using sulphuric acid solutions, without or with the addition of either ferric sulphate or hydrogen …
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When the copper in the slag is largely in sulfide phases, flotation of copper slag is similar to sulfide ore flotation of copper. 64−69 In the flotation of copper slag, oxides, alloys, and metallic phases …
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Lowest copper recoveries were obtained with alkyl hydroxamate in single collector floation performance. It has been reported that the alkyl hydroxamate is not very selective for …
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Currently, direct flotation is commonly used to recover Cu from CSS, but the Cu recovery rate is usually below 90%. To gain insight into detecting the factors that affect the …
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High-pressure oxidative acid leaching of copper converter slag, converter slag, and pyrrhotite tailings, nickel smelter slags, and historical copper slag yielded high leaching efficiencies in the range of 91–99% for valuable metals such as …
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Recovering arsenic from copper smelting slag (CS) into concentrate by flotation, along with copper, can effectively manage arsenic contamination and recover substantial metal …
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The nature of copper slag flotation is unique due to the high temperature in the flotation pulp and high metallic copper content in the feed. Despite its great potential for …
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Aiming at the recovery of copper from smelting slag, a flotation approach was studied. It was found that this slag composed of fine particles with complex association and distribution, in …
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Copper slag flotation was studied on an industrial scale at a concentrator plant in the region of Atacama, Chile. This study consisted of the physical, chemical, and mineralogical characterization ...
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Tailings from an industrial copper slag cleaning milling and flotation circuit have been pre-reduced at low temperatures, well below its melting point, using CH 4-H 2-Ar …
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Flotation is the main process for processing slag for valorization of copper and other metals. In order to achieve the best copper recovery and quality of the concentrate, it is necessary to …
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Copper slag flotation was studied on an industrial scale at a concentrator plant in the region of Atacama, Chile. This study consisted of the physical, chemical, and mineralogical …
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In this study, a hydrometallurgical method for the recovery of copper, cobalt, and zinc from copper slag flotation tailings (SFT) was investigated. SFT contains large amounts of valuable metallic compounds, such as copper, cobalt, and zinc. A …
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Copper slag flotation offers a viable approach for recovering valuable copper from this industrial byproduct. By carefully considering factors such as particle size, pH, reagents, temperature, agitation, and froth collection, …
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Thionocarbamates are the group of collectors that are mostly used for flotation of sulphide copper minerals, alone or in combination with xanthates depending on a mineralogical composition of the ore. In this paper, the results …
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Based on the chemical compositions of the slag and the slag flotation tailings (Table 1), it can be concluded that the copper dissolved from the slag flotation tailings mainly originates from the …
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