Copper Recovery From Slag In India

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Recovery of Copper and Magnetite from Copper Slag Using …

On the one hand, copper slag is nowadays a waste in copper pyrometallurgy despite the significant quantities of iron (>40 wt. %) and copper (1 to 2 wt. %). On the other hand, solar energy, when properly concentrated, offers great potential in high-temperature processes. Therefore, concentrated solar power (CSP) could be used in the treatment of copper slag to …

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Environmental and Socioeconomic Impact of Copper Slag …

Copper slag is generated when copper and nickel ores are recovered from their parent ores using a pyrometallurgical process, and these ores usually contain other elements which include iron ...

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Integrated bioleaching-electrometallurgy for copper recovery …

The increased demand of copper (Cu) in the global market has an emphasis on its recovery from the secondary resources such as printed circuit boards (PCB) waste, metal-containing sludge, slag, fly-ash and industrial effluents to satisfy both the aspects-economics and environmental protection (Kilicarslan et al., 2013; Ahmed et al., 2016).The reason being, Cu is …

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Latest results of the slag cleaning reactor for copper …

furnace with a rate of 6 kg/h. The copper content in the treated slag was stable at 0.4% and magnetite content between 2.0–2.5%. Copper recovery from primary smelter slag consists of the removal of mechanically entrained copper matte and metallic copper inclusions, formed during reduction of dissolved cuprous oxide. After the relatively fast ...

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Characterization, Concentration, and Speciation of Metal

The treatment of large amounts of copper slag is an unavoidable issue resulting from the high demand for copper during the global transition to a sustainable development path. Metal-rich copper slag might serve as a potential source of metals through secondary recovery. In this study, two copper slags (CS1 and CS2) with different metallurgical properties were …

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Comprehensive review on metallurgical recycling and cleaning of copper slag

In consideration of the potential economic performances and environmental impact of discarded copper slag, recent research has focussed on its sustainable utilisation through reuse, rather than disposal (Manz and Castro, 1997; Piatak and Seal, 2010;).Alternative treatments for copper slag have been the object of multiple studies, aimed at the possibility of …

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The potential for copper slag waste as a resource for a …

This work proposes an environmentally safe and economically feasible method of waste copper-nickel production slag utilization (Kola Mining-Metallurgical Company, Nornickel, Kola Peninsula, Russia).

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An overview of recovery of metals from slags

There are many different non-ferrous slags generated from non-ferrous smelters. 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, …

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A comprehensive review on the recovery of copper values …

The beneficiation of copper slag employing gravity concentration and froth flotation, with particular emphasis on different collector systems, has been reviewed thoroughly. Further, the reported …

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Recovery of Copper from Reverberatory Copper Slag …

The optimum digestion temperature is 250oC, at which a high recovery of copper from copper slag is achieved. Figure 7. Copper in the residue at various digestion temperatures. Effect of Digestion Time at 250oC Figure 8 shows that 2 hours of digestion at 250oC was adequate. 0 20 40 60 80 100 120 140 160

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Copper Recovery Through Smelter Slag Flotation in …

Several researchers have reported that slow cooling of the slag can lead to an improvement in copper recovery because of the segregation of some valuable elements such as copper, silver, and molybdenum during the solidification and further cooling (Mihajlović, Kamberović, Korać, Gavrilovski, and Jovanović, 2015; Voisin, Pizarro, and ...

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Towards resource regeneration: A focus on copper recovery …

Copper metal found in electronic waste originates from discarded appliances such as televisions, electrical wiring including those used in construction, and automotive components such as engines (Ji et al., 2023; Liu et al., 2020).Additionally, it is sourced from industrial by-products generated during manufacturing processes, such as copper waste from metallurgical …

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Mineralogical Characterization of Historic Copper Slag to …

The variety of slag compositions of Table 1, is inherent to both the concentrate composition and the extraction method applied.Each slag composition requires an appropriate treatment method for further metal recovery or for utilization as construction material [27,28].Thermal reduction of copper smelter slags with solid carbon is commonly applied in …

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Copper Slag as a Source of Iron: An Overview

Copper Slag as a Source of Iron: An Overview Jayati Priya1,2, Navneet Singh Randhawa2, and Manish Kumar Jain1(B) 1 Department of Environmental Science and Engineering, IIT(ISM) Dhanbad, Dhanbad 826004, India [email protected] 2 Metal Extraction and Recycling Division, CSIR-National Metallurgical Laboratory, Jamshedpur 831007, India Abstract. The production of …

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Iron Recovery from Waste Copper Slag by Using Coal and …

In this work, a new and carbon-free reductant, i.e., secondary aluminum dross, is used to replace coal to recycle valuable metals from copper slag by smelting reduction. The influence of substitution ratio on slag properties and metal recovery was investigated. The results show that the metal recovery is mainly determined by the settlement of the generated metals …

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Feasibility of Recovering Valuable and Toxic Metals from Copper Slag …

One of the greatest environmental challenges in metal extraction is the generation of a large amount of slag. Most of these slags contain insufficient amounts of valuable metals for economical revalorization, but these concentrations may be harmful for the environment. At present, more than 80% of the global copper products are obtained by the smelting process, …

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Recovery of Copper from the Slag of Khatoonabad Flash Smelting Furnace

Copper loss in the slag of Khatoonabad flash smelting furnace is estimated to be about 1–3 %. At present, the electric slag cleaning furnace is used for the recovery of copper from slag. However, due to low recovery efficiency of electric furnace along with high consumption of electrical energy and water, selection of a method to enable minimum energy consumption and …

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Extraction of copper from copper slag: Mineralogical …

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 association of copper in slag. …

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Recovery of Copper from Slags Through Flotation at the …

The significant volume of copper smelting slags poses environmental challenges, particularly concerning soil and surface water contamination. However, these slags contain valuable elements such as copper and iron, the recovery of which can contribute to both environmental protection and the circular economy in Chile. This study analyzes, at both …

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Advances in recovery of valuable metals and waste heat from copper slag

End users are important with respect to copper slag waste-recovery technologies. Traditional devices for granulation of metallurgical slag, such as blast-furnace slag and steel slag, are also suitable for the granulation of copper slag, as proven by Liu [99]. Currently, the waste heat recovery from copper slag remains at the research stage.

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copper recovery from slag in india – Grinding Mill China

Copper Slag – General Information, Process, …. Sterlite Industries (India) finds a huge potential for the use of copper slag in concrete …Process for recovery of iron from copper slag; Process for … » Free Online Chat copper recycling in india – Scribd. copper recycling in india – Free download as PDF File (.pdf), text file (.txt) or … A process for the recovery of iron from ...

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Sustainable and Comprehensive Utilization of Copper Slag: A …

Within this paper, application options, the environmental behavior, and ways to treat copper slag in order to remove hazardous and recover valuable metals are critically …

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Copper Separation From Slag in Varying Oxygen Partial

Oxygen partial pressure is a defining thermodynamic variable in the recovery of copper during matte conversion. This study combines theoretical analysis and experiments to investigate the effect of oxygen partial pressure on slag properties and copper separation from slag. Additionally, under high oxygen partial pressure, the mechanism of CaO regulation of …

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Copper Slag as a Source of Iron: An Overview | SpringerLink

This paper explores methods for recovering and treating copper slag. Metal recovery has been a focal point in recent decades but comes with challenges. ... Dhanbad, Dhanbad, 826004, India. Jayati Priya & Manish Kumar Jain. Metal Extraction and Recycling Division, CSIR-National Metallurgical Laboratory, Jamshedpur, 831007, India. Jayati Priya ...

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Copper recovery from copper slags through flotation …

In previous years, numerous methods have been developed on the recovery and utilization of valuable metals in copper smelting slags, which can be summarized as pyrometallurgy [26], hydrometallurgy [27] and flotation [28].Through pyrometallurgy of copper slags, the precipitation of suspended matte (Cu 2 S) droplets is promoted into the matte layer …

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EFFICIENCY OF COPPER RECOVERY FROM A SLAG IN …

Copper is present in a smelting slag from Teniente Converter (TC) in the form of mecha-nically entrained matte inclusions and dissolved copper. Copper recovery from the slag requires magnetite reduction to liberate matte inclusions and create conditions for co-reduction of dissolved cuprous oxide. Efficiency of copper recovery from the slag in an

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Characteristics and utilisation of copper slag

During the past two decades attempts have been made by several investigators and copper producing units all over the world to explore the possible utilisation of copper slag.

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Recovery of Copper and Magnetite from Copper Slag …

Copper slags have been used as abrasives (polishing and cleaning) for metallic structures [15,16] and mainly in the building industry: concrete manufactured with copper slag [5]; copper slags as ﬁne particles in concrete manufacturing [13]; copper slag as a replacement for the sand in cements [9]; copper slag as a ﬁller in glass–epoxy

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Carbothermic Smelting Reduction of Copper Slag for Fe and Cu Recovery

CaO-Al2O3-based refining slag, as a low-cost and low-carbon alternative to lime, has been used as a modifier in the smelting reduction of copper slag. The influence of refining slag/copper slag mass ratio (RS/CS) on the reduction behavior, metal recovery, and slag–refractory interaction was studied through experimental and thermodynamic methods. …

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Economic potential and environmental impact of metal recovery …

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 potential of CSFT.

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Characteristics and utilisation of copper slag—a review

Granulated slag of Sterlite Industries India Limited was used to recover iron values ... Processing of Kure (Turkey) copper slag for the recovery of copper and cobalt and the production of gamma Fe 2 O 3. Trans. Indian Inst. Met., 50 (2–3) (1997), pp. 147-151. View in Scopus Google Scholar.

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The potential for copper slag waste as a resource for a …

The flotation has been investigated for recovery of metals from copper slag using collectors, frothers, modifiers and depressants. The main parameters considered for the flotation approach are particle size, collector dosage and pH. Copper slag flotation is similar to sulphide ore flotation (Osborn et al., 1990, Arslan and Arslan, 2002, Gulay ...

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Resource Utilization of Copper Slag with a Focus on

Reduction. The reduction process for copper slag is typically followed by magnetic separation [].Depending on the temperature and intensity of reduction, it can be classified as direct reduction, deep reduction, and smelting reduction []monly used reducing agents include coke, biomass carbon, and natural gas [31, 32].The reduction process converts ferrous …

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