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copper slag disposal

Comprehensive review on metallurgical recycling and cleaning of copper slag

2021.5.1 Copper slag, generated mainly during copper smelting, and classified as a potentially harmful waste, is an important secondary resource containing not only

The potential for copper slag waste as a resource for a

2022.4.1 The mining industry faces a number of challenges that include rapid depletion of high-grade deposits, high energy cost for metal production, and growing

A comprehensive review on the recovery of copper values from copper slag

2023.8.1 As copper slag has been identified as a hazardous waste, it requires the adoption of adequate precautionary measures for safe disposal [94]. Therefore,

A Review of Comprehensive Utilization of Copper Slag of China

2022.2.2 The copper content of copper slag is 0.5–4.5% or even higher, which is much higher than the 0.2–0.3% mining grade of copper mines in China. The total iron

Waste to valuable resource: application of copper slag and steel slag ...

2023.3.20 Waste recycling and reuse is an important component of sustainability. Extensive research is being conducted to address this issue by incorporating industrial

Feasibility of Recovering Valuable and Toxic Metals from Copper Slag ...

2023.8.15 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

Environmental and Socioeconomic Impact of

Iron and copper recovery from copper slags through

2021.9.17 Abstract. To recover metal from copper slags, a new process involving two steps of oxidative desulfurization followed by smelting reduction was proposed in which

The potential for copper slag waste as a resource for a

2022.4.1 The mining industry faces a number of challenges that include rapid depletion of high-grade deposits, high energy cost for metal production, and growing environmental concerns associated with mining waste disposal. Copper slag is one of the mining wastes that is raising growing concern due to the huge volumes being produced

(PDF) Environmental and Socioeconomic Impact of Copper Slag

2021.12.3 Abstract. 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 ...

Waste to valuable resource: application of copper slag and steel slag ...

2023.3.20 Waste recycling and reuse is an important component of sustainability. Extensive research is being conducted to address this issue by incorporating industrial by-product such as steel slag, copper slag, fly ash, ferro-chrome slag, and so on into the construction industry. Steel slag, which is mostly calcium carbonate, is created as a by

Ebonygrit – Copper Slag – Opta Group LP

This abrasive is commonly used for restoration of heavily painted steel bridges, ships, and water towers. Ebonygrit is a disposable high-density blasting slag made from a by-product of copper production. Ebonygrit distinguishes from light-weight blasting slag, due to its high density property. Typically, the majority of its composition is iron ...

(PDF) USE OF COPPER SLAG AS SUSTAINABLE AGGREGATE

2014.10.17 The mixes containing steel and Fig. 10 System boundary description for cement, fine aggregate, copper slag and steel slag for the present study [46,[64][65][66] [67] 69] copper slag are economical ...

Sustainable and Comprehensive Utilization of Copper Slag: A

2023.4.21 Annually more than 400 Mt of metallurgical slags are produced worldwide [1,2,3,4,5].From the annual Cu concentrate smelter production capacity, which is equal to around 21 Mt of copper metal in 2021, it can be estimated that more than 45 Mt of CUS were produced from primary sources assuming a slag to copper ratio of 2.2 [3, 4].Only 15% of

Environmental and Socioeconomic Impact of Copper Slag

2021.12.3 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, cobalt, silica, and alumina. Slag is a major problem in the metallurgical industries as it is dumped into heaps which have accumulated into millions

Production and Properties of Copper Slag Request PDF

2017.1.1 Copper slag (CS) is a derivative of copper production that is mainly composed of heavy metals. The large amount of this material accumulated around the world entails a serious environmental danger.

Co-treatment of spent carbon anode and copper slag for

2023.1.10 Currently, copper slag is mostly thrown directly into slag disposal pits without treatments, allowing the leaching of heavy metals, thereby leading to severe environmental issues (Guo et al., 2018a; Shibayama et al., 2010). Correspondingly, copper slag is classified as hazardous waste (Yu et al., 2021).

Simultaneous recovery of arsenic and copper from copper smelting slag ...

2023.11.1 During copper smelting, a variety of arsenic-bearing by-products are generated (Zhang, W. et al., 2021c, d), including copper smelting slag (CS), flue dust, black copper, and anode slime. These waste by-products, with the exception of CS, can be circulated directly into the smelting system for their harmless disposal and further

Waste Management and Treatment of Copper Slag BCL,

2019.1.1 Disposal of slag is problem and a waste when disposed without recovery of any viable metals from the initial process. Investigation the dump of BCL will be necessary cost â€“ reduction/injection for the plant. Fig. 2. (a) Copper slag Copper pyro metallurgical slags are inevitable waste by â€“ products of copper smelting operations.

The potential for copper slag waste as a resource for a

2021.10.1 It unlocks opportunities for production of metals for energy storage using cleaner and more efficient production technologies as well as developing effective recycling strategies to solve both the metal supply and waste disposal problems. Copper slag contains significant amounts of valuable metals with average of 1.83 wt% Zn, 1.67 wt% Ag, 1.36 ...

Utilization of copper slag in cement and concrete

2008.8.1 The use of copper slag as a pozzolanic material for a partial substitute for ordinary Portland cement and its effects on the hydration reactions and properties of mortar and concrete have been reported in several publications (Al-Jabri et al., 2006, Taha et al., 2007, Malhotra, 1993, Tixier et al., 1997, Ariño and Mobasher, 1999, Douglas and

The potential for copper slag waste as a resource for a

2022.4.1 Copper slag has been found to possess excellent physical and mechanical properties (Gorai et al., 2003) and its utilisation as a construction material has the potential to reduce waste disposal and reduce the risks to the environment (Mobasher et al., 1996, Alp et al., 2008, Al-Jabri et al., 2011).

Co-treatment of electroplating sludge, copper slag, and

2021.9.5 The copper slag in this research was sampled from Yunnan Province, China. According to the results in Table 1 and Fig. 1 (b), the copper slag included 40.12 wt% Fe, 29.05 wt% SiO 2, and 8.59 wt% (CaO+ MgO) and was primarily composed of the Fe 2 SiO 4 and Fe 3 O 4 phases. It also contained 0.61 wt% Cu, 0.21 wt% Pb, and 0.58 wt%

Blasted copper slag as fine aggregate in Portland cement

2017.7.1 The present work focuses on assessing the viability of applying blasted copper slag, produced during abrasive blasting, as fine aggregate for Portland cement concrete manufacturing, resulting in an alternative and safe disposal method. Leaching assays showed no toxicity for this material. Concrete mixtures were produced, with high

Characterization of copper slag for beneficiation of iron and copper ...

2021.4.1 Copper slag is a metallurgical waste that is disposed by way of stockpiling at designated dump sites within a mining site. The observed depletion of high-grade iron ores in Botswana and the environmental hazards associated with disposal of untreated metallurgical waste, presents an opportunity for research on secondary sources of iron

Copper recovery from copper slags through flotation

2022.6.1 The performance of copper slag flotation is significantly improved through the proposed approach, which provides an idea for improving the recovery of copper slag flotation in the industry. ... Enhancing the flotation recovery of copper minerals in smelter slags from namibia prior to disposal. Heliyon, 6 (1) (2020), 10.1016/j.heliyon.2019 ...

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 parameters.

Copper slag: optimization of productivity and ... - ScienceDirect

2007.1.1 Copper slag is a by-product of the copper smelting industry. The molten slag from the smelter is quenched in water and quick cooling of this slag results in amorphous, non-crystalline particulates. Some of the characteristics of copper slag such as hardness, high density, and low free silica content are useful in removing heavy rust and ...

Recycling copper slag in steel fibre concrete for sustainable ...

2020.10.20 The utilization of copper slag in concrete manufacturing can help in many ways such as reducing disposal cost and environmental danger posed by the landfill disposal to the surrounding. According to studies by Al-Jabri et al. (2009 , 2011) , copper slag is a suitable material for utilization in concrete without compromising its properties.

(PDF) Enhancing the flotation recovery of copper

2020.1.1 Finally, the scientific treatment method of copper slag in future is prospected that green, economic, and environmentally friendly sustainable disposal process is the main theme. View Show abstract

Cement-based solidification for the safe disposal of blasted copper slag

2004.10.1 Trial mixes, water requirement and setting time. This study has shown that the waste copper slag from blasting operation can be safely solidified/stabilized in a cement-based S/S system. The leachability of copper, nickel, lead, and zinc ions presence in copper slag were lower than the regulatory limits. The mortar incorporating waste copper ...

Efficient Recycling of Valuable Metals from Waste Copper Slag

2022.6.21 Copper slag is a by-product produced in the copper smelting and converting processes. [] Every year, more than 40 million tons of copper slag is discharged into the environment worldwide. [] Dumping in specific landfill sites is still the main way to dispose of the copper slag for most copper smelters. [] The disposal of such a huge

The potential for copper slag waste as a resource for a

2022.4.1 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).

Environmental and Socioeconomic Impact of Copper

2021.12.3 smelter slag (copper slag), which comprises metals related to copper, e.g., nickel, zinc, iron, and cobalt [14–17]. Over the years, many mining and mineral processing operations have accepted the responsibility of protecting the environment by following safe disposal regulations of the waste produced.

Efficient and safe disposition of arsenic by ... - ScienceDirect

2021.1.1 In conclusion, the As species in copper slag can be partitioned into Cu-As intermetallics, Cu-As sulfides and As incorporated in fayalite phase and glassy silicates matrix, which are definitely revealed in the present study. ... Disposal of arsenic in copper discharge slags. J. Hazard. Mater., 77 (2000), pp. 241-252, 10.1016/s0304

Copper Slag: Converting waste into sustainable wealth

2022.11.4 The slag is a by-product of the waste generated during pyrometallurgical extraction or the smelting of copper. It means the extraction and purification of copper from sulphide ore at very high ...

Copper slag: Optimization of productivity and

2007.12.31 Copper slag, a by-product from copper smelting industry, is widely used as an abrasive material to remove rust, old coating and other contamination in dry abrasive blasting which is an expensive ...

Study of concrete containing washed copper slag NTU

2023.3.3 Copper slag is a by-product obtained during the matte smelting and refining of copper. Production of one ton of copper generates, approximately 2.2–3 tons copper slag. ... production of value added products and disposal in slag dumps or stockpiles. Currently, copper slag has been widely used for abrasive tools, roofing granules, cutting tools ...

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