copper slag disposal
Review on Comprehensive Recovery Valuable Metals and
2023year3month3day Copper slag, a waste solid produced in the copper smelting process, is a high-quality secondary resource with huge output. The recycling and utilization of copper
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A comprehensive review on the recovery of copper values from copper slag
2023year8month1day The increased demand for copper, in conjunction with slag disposal issues, has urged the global research community to consider copper slag as a potential
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Sustainable and Comprehensive Utilization of Copper Slag: A
2023year4month21day Large amounts of copper slag are produced every year and major fractions of it are currently disposed, not withstanding the multiple ways the material can be used.
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Waste to valuable resource: application of copper slag and steel slag ...
2023year3month20day Waste recycling and reuse is an important component of sustainability. Extensive research is being conducted to address this issue by incorporating industrial
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Environmental and Socioeconomic Impact of
2021year12month3day 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,
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Review on Comprehensive Recovery Valuable Metals and ...
2023year3month4day 中文翻译： 铜渣综合回收有价金属及综合利用研究进展. 铜渣是铜冶炼过程中产生的固体废料，是优质的二次资源，产量巨大。 铜渣的回收利用因其避免了有价金属
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Materials Free Full-Text A Review of the Influence of Copper Slag ...
2022year12month2day Copper slag (CS) is a by-product of the copper smelting process and is one of the nonferrous metal residues. CS is mainly composed of Fe 2 O 3, SiO 2, and a
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Feasibility of Recovering Valuable and Toxic Metals from Copper Slag ...
2023year8month15day Open Access Article. Feasibility of Recovering Valuable and Toxic Metals from Copper Slag Using Iron-Containing Additives. by. Aleksandar M. Mitrašinović. 1,2,*,
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Review on Comprehensive Recovery Valuable Metals and
2023year3month3day The slag wool is more economical, environmentally friendly, and solves the problem of copper slag disposal by comparing with traditional rock wool made from basalt and diabase . The slag wool production has reached more than 1 million tons in the United States, 380,000 tons in Japan, and 200,000 to 300,000 tons in Sweden and Finland up to
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Sustainable and Comprehensive Utilization of Copper Slag: A
2023year4month21day 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
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Environmental and Socioeconomic Impact of Copper Slag-A
2021year12month3day This review article provides the environmental and socioeconomic impacts of slag, as. well as a characterization of copper slag, with the aim of reusing and recycling the slag to benefit the ...
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A comprehensive review on the recovery of copper values from copper slag
2023year8month1day The copper slag sample was ground to a particle size finer than 100 μm and mixed with pure iron sulphates in a blender for 24 h. The composite feed was then heated at a temperature of 625 °C for 6 h. The recovery rate of copper was about 60–79%. ... The increased demand for copper, in conjunction with slag disposal issues, has urged the ...
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Environmental and Socioeconomic Impact of Copper Slag
2021year12month3day 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
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Efficient removal of arsenic from copper smelting wastewater
2020year10month10day Copper slag was the tailing produced after crushing, flotation, and sieving treatments for the copper recovery from copper-enriched slag from converter. As the chemical composition summarized in Table 2 , the copper slag contains abundant iron oxides with a weight percentage of 56.25%, and total percentages of alkali metal oxides
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Molecules Free Full-Text Speciation Characterization and
2024year3month27day Copper slag tailings, primarily stemming from pyrometallurgical processes, predominantly consist of a silicate matrix [].It is estimated that 2–2.2 tons of slag tailing are generated for every ton of copper produced, and approximately 40 million tons of slag are generated from global copper production [2,3,4].Unfortunately, slag tailings are often
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Production and Properties of Copper Slag Request PDF
2017year1month1day Since practically mined ores contain only 0.65 % Cu [2] and the purity is declining over the years [1,2], 752 MT of copper slag was produced worldwide during the period 1999-2019 with 38 MT ...
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(PDF) USE OF COPPER SLAG AS SUSTAINABLE AGGREGATE
2014year10month17day 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 ...
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(PDF) Enhancing the flotation recovery of copper minerals in
2020year1month1day 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
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The potential for copper slag waste as a resource for a
2022year4month1day 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
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Cement-based solidification for the safe disposal of blasted copper slag
2004year10month1day The flexural strengths of concrete with and without copper slag were similar for water to cement ratio of 0.4-0.5.Zain et al., reported an optimum strength performance of the copper slag mortars ...
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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 parameters.
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Cement-based solidification for the safe disposal of blasted copper slag
2004year10month1day 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 slag up to 10% replacement is, therefore, safe with ...
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Materials Free Full-Text A Review of the Influence of Copper Slag ...
2022year12month2day Global copper slag (CS) emissions reached 57.2 million tons in 2021. Despite the increasing reuse of CS, the treatment of CS is still dominated by landfill so far, which not only occupies land resources but also causes damage to the environment. The application of CS to cement-based materials (CBMs) is one of the main approaches to its
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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 ...
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Co-treatment of electroplating sludge, copper slag, and
2021year9month5day 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%
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Environmental and Socioeconomic Impact of Copper
2021year12month3day 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.
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Co-treatment of spent carbon anode and copper slag for
2023year1month10day 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).
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Utilization of copper slag in cement and concrete
2008year8month1day 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
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