In this study, the flotation wastes of copper slag (FWCS) obtained from The Black Sea Copper Works (Samsun, Turkey) was used. The chemical compositions of the FWCS (Table 1) were evaluated by using X-ray fluorescence techniques and ICP/ES and MS (ACME Anal. Lab.).As can be seen in Table 1, the FWCS sample contained …
Various copper tailings have different applications in the construction industry [6], but due to the high content of non-ferrous metals, especially in the residues after flotation of copper slag ...
How to Recover Copper from Slag by Flotation. Table of Contents. The bulk of the world's output of copper is produced by smelting copper sulfide flotation …
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 flotation tailings (CSFT) may still contain several metals in varying amounts. However, the complexity and low metal concentration have undermined the …
A novel co-modification method between BOF slag and copper slag is proposed for the effective recovery of valuable metals in the metallurgical slags. The co-modification reactions between the Ca-containing phases in BOF slag and fayalite in copper slag are discussed on the basis of thermodynamic analysis, and the co …
The recovery of copper from copper smelter slag utilizing flotation has been studied. A copper smelter slag from the Wang Jiaqiao smelter in Yunnan Province of china, containing 2.76% Cu, 44.41% Fe, … Expand
Pyrometallurgical cleaning of copper slags involves inducing conditions that encourage suspended matte (Cu 2 S) droplets to settle into the matte layer. The …
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 grades also increased significantly and the Ni and Pb grade increased slightly. Although the Zn, Cr and Fe grade decreased, the iron content in the concentrate was still ...
The subsequent ferric leaching of copper converter slag flotation tailings containing 0.53% copper and 2.77% zinc with the pregnant leach solution was conducted.
Flotation waste of copper slag (FWCS) was used as a raw material for the preparation of a micro-electrolysis material (MEM) through a carbothermal reduction process. The performance of MEM was evaluated for the degradation of organic contaminants in water. The effects of preparation conditions on the performance of MEM …
A novel co-modification method between BOF slag and copper slag is proposed for the effective recovery of valuable metals in the metallurgical slags.
High-pressure oxidative acid leaching of copper converter slag, converter slag, and pyrrhotite tailings, nickel smelter slags, and historical copper slag yielded high leaching …
This mechanism is composed of three reaction process: (i) Some contents of the BOF steel slag dissolve in solutions and release Ca 2+, (ii) Ca 2+ and vanadium form precipitant during the reaction ...
The copper smelting process produces plenty of copper slag every year, which is a hazardous solid waste, but a secondary resource. In the present study, the extraction of copper, nickel, and cobalt from copper slag was investigated through the process of sulfation roasting–water leaching and the process of sulfation …
Investigation of the treatment of flotation waste from copper slag by a thermal method and its use as an iron source in the production of inorganic brown and black pigments that are used in the ceramic industry showed that flotation Waste from Copper slag could be used as anIron source to produce brown andblack pigments in both …
A novel co-modification method between BOF slag and copper slag is proposed for the effective recovery of valuable metals in the metallurgical slags. The co-modification reactions between the Ca-containing phases in BOF slag and fayalite in copper slag are discussed on the basis of thermodynamic analysis, and the co-modification effect on the …
Copper slag flotation tailings (CSTs) are an Fe-rich waste by-product generated in copper slag flotation [17]. The annual production of CST worldwide is expected to exceed 60 million tons [18]. The Fe content of CST is 30–40%, which is higher than any other metallurgical slag [19]. High Fe content makes CST a secondary …
Copper slag was subjected to in-depth mineralogical characterization by integrated instrumental techniques and evaluated for the efficacy of physical beneficiation and mixed meso-acidophilic bioleaching tests towards recovery of copper. Point-to-point mineral chemistry of the copper slag is discussed in detail to give better insight into the …
The metal in copper slag was recovered by flotation. • Sodium carbonate and mechanical activation strengthen flotation. • The mechanism of activated flotation …
DOI: 10.1016/j.cej.2024.153159 Corpus ID: 270540970; Efficient recovery of copper from copper smelting slag by gravity separation combined with flotation @article{Sun2024EfficientRO, title={Efficient recovery of copper from copper smelting slag by gravity separation combined with flotation}, author={Jianjun Sun and Liuyang …
The optimum condition for flotation of the reverberatory furnace slag at Sarcheshmeh Copper Complex is as follows : pH=11.5; R407=30 g/t; solid in pulp=30%; flotation time=12.5 min; MIBC=35 g/t. Slow cooling of the molten slag (in the range of 1300–900 °C) increases the copper recovery considerably (about 85%), and can also …
The Recovery of Copper from Smelting Slag by Flotation Process 235. dithiophosphate. The experimental conditions were pulp density = 33%, collector 50 g/t, terpineol oil 50 g/t without pH regulator. It is shown in Table 4 that the application of butyl xanthate as a collector achieved 69.27% copper recovery rate,
The European Copper Institute defines copper slags as "Substance produced at high temperature in a liquid state, by melting mixtures of metal oxides and non-ferrous metals …
The present paper study of froth flotation of copper, from smelting slag, using not desalinated seawater as fresh water. The higher copper recovery obtained was 77.27%., Under #200 Taylor mesh ...
Froth flotation. In principle, the copper slag flotation is quite similar to the flotation of Cu-bearing sulphide minerals ([68];[128]; [10, 22, 78]). The copper values present in the slag, either as independent metallic particles or in the form of sulphides, can be floated effectively.
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 …
Factors affecting flotation of water-quenched slag from a copper smelting plant in Hubei province,such as grinding fineness,pulp density,pH value and the reagent system,were studied.The results indicate that the best flotation efficiency was obtained with a grinding fineness of 95%-0.074 mm,a pulp density of 30%,a pH value of 7.0 and reagent …
The following parameters were therefore recommended for chemical leaching of copper converter slag flotation tailings: pulp density 30% (w/v), pH 1.5, 70 °C, initial Fe 3 + concentration 15.7 g/L, no aeration, leaching for 1.5 h. These conditions resulted in solubilization of 81.6 and 37.7% of copper and zinc, respectively, while iron recovery ...
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 0.78% to 0.24%.
DOI: 10.1016/j.resourpol.2022.103232 Corpus ID: 255087075; Economic potential and environmental impact of metal recovery from copper slag flotation tailings @article{Gmsoy2023EconomicPA, title={Economic potential and environmental impact of metal recovery from copper slag flotation tailings}, author={Aleyna G{"u}m{"u}şsoy …
