DOI: 10.1016/j.jhazmat.2021.126020 Corpus ID: 234683192; Co-treatment of electroplating sludge, copper slag, and spent cathode carbon for recovering and solidifying heavy metals.
عرض المزيدThis article reviews the production, composition, environmental behavior and treatment options of copper slag, a by-product of copper smelting and converting. It …
عرض المزيدThis waste from copper extraction — iron silicates– must be stored in the ground like any other pyrometallurgical slag. With a total copper production capacity of 10.08 lakh million tons per ...
عرض المزيدWaste 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 …
عرض المزيدThe use of copper slag in the concrete industry as a partial replacement for cement and/or fine aggregates could potentially reduce environmental harm and also reduce the costs of slag disposal (Mobasher et al., …
عرض المزيدThe 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 …
عرض المزيدCopper slag is a byproduct of copper ore processing that contains valuable metals and poses environmental and socioeconomic challenges. This review article discusses the mineralogy, …
عرض المزيدCopper 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 ...
عرض المزيدCopper 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 …
عرض المزيدCurrent options for management of copper slag include recycling, recovering of metal, 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, abrasive, tiles, glass, road-base construction, railroad ballast, asphalt pavements ...
عرض المزيدCopper slag waste has continued to cause increasing concerns due to the huge volumes being produced annually worldwide. This paper presents a review of copper slag as a potential resource for ...
عرض المزيدCopper slag is the main by-product of the pyrometallurgical process of copper, and more than 50 million tonnes of copper slag was generated in 2020 (Prem et al ... copper slag is mostly thrown directly into slag disposal pits without treatments, allowing the leaching of heavy metals, thereby leading to severe environmental issues …
عرض المزيدCopper slag, which is produced during pyrometallurgical production of copper from copper ores contains materials like iron, alumina, calcium oxide, silica etc. For every tonne of metal production about 2.2 ton of slag is generated. Dumping or disposal of such huge quantities of slag cause environmental and space problems.
عرض المزيدDisposal 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.
عرض المزيدDumping or disposal of this slag causes wastage of metal values and leads to environmental problems. Rather than disposing, these slags can be used taking full …
عرض المزيدThe copper content of the slags range between 0.8 to 5 wt. % and this is considered too high for disposal to the environment. Currently, the slags are sent to a milling and flotation plant for ...
عرض المزيدCopper 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 ...
عرض المزيدThe production of copper bears both viable product and by product know as slag which is a challenge to dispose and poses a problem to the environment. BCL …
عرض المزيدCopper slag, a waste solid produced in the copper smelting process, is a high-quality secondary resource with huge output. The recycling and utilization of …
عرض المزيدCopper slag waste has continued to cause increasing concerns due to the huge volumes being produced annually worldwide. This paper presents a review of copper slag as a potential resource for cobalt and copper metals for a circular economy. An overview of the chemical and mineralogical characterisation of copper slag from 21 …
عرض المزيدRecycling copper slag using innovative technologies and circular economy practices could significantly improve the stability of cobalt and copper supply and could …
عرض المزيدCopper slag, Iron ore tailings (IOT) and M-Sand (MS) were the materials used as partial replacements for river sand among them Copper slag and Iron ore tailings were used as in replacement levels ...
عرض المزيدIn smelting, copper-rich matte containing sulphides and copper slag as by-product are formed [].For every ton of copper produced during smelting and refining operations, approximately 2.2–3 tons of fayalite slag is produced and the management of these significant quantities is difficult [2,3].Copper slags contain high amounts of iron, …
عرض المزيدThe recycling and utilization of copper slag is of great interest because it avoids the loss of valuable metals and the threat of harmful metals, and saves a lot of …
عرض المزيدThe copper content of the slags range between 0.8 to 5 wt. % and this is considered too high for disposal to the environment. Currently, the slags are sent to a milling and flotation plant for liberation and recovery of residual copper. The copper recoveries realized in the plant are much lower than expected and it has been …
عرض المزيدCopper 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 …
عرض المزيدThe increased demand for copper, in conjunction with slag disposal issues, has urged the global research community to consider copper slag as a potential secondary resource of copper. Though the properties and characteristics of the copper slag suggest its suitability for various sectors, such as cement, filler material, ballast, abrasive ...
عرض المزيدCopper 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 …
عرض المزيدAlthough some scientists have shown that the contaminants extracted from composite cement containing copper slag and copper slag do not exceed the limit, these investigations are limited only to ...
عرض المزيدCopper slag waste is considered a potential world resource owing to the huge amounts being produced annually worldwide which contain significant amounts of valuable metals (Phiri et al., 2021). The global copper slag production is estimated at 752 million tons for the period between 1999 and 2019 from the 13 main producing countries …
عرض المزيدAssuming that all the black copper raw materials per ton of electrolytic copper originate from the company's smelting process, 1.35 tons of black copper will be required, and 3.24 tons of copper-based mixed waste, 0.01 tons of waste copper, 0.46 tons of secondary slag, and 94.5 kg of dust will then be generated and directed to the …
عرض المزيدcopper slag is generated, and 70 million tons of copper slag is produced worldwide each year []. At present, a large 3 amount of copper slag occupies land and wastes resources, and the harmful elements contained in it always threaten human living environment and health, such as arsenic [4, 5]. The mineral phase of copper slag consists predomi-
عرض المزيدThe metallurgical recycling of iron and copper from copper slag mainly depends on a transformation from nonmagnetic iron components (fayalite) into magnetite and sedimentation of metallic copper to the bottom of slag at an appropriate oxidising …
عرض المزيدThe 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 …
عرض المزيدThe utilization and the safe disposal of the generated industrial wastes are one of the major concerns of environmentalists in order to reduce their harmful impacts on human health and the environment. Copper slag …
عرض المزيدTherefore, it is very important to collect soot volatilized from the copper slag in the molten state to reduce environmental pollution. The mass of the reduction slag, ingot iron, carbon, and volatiles were obtained. The mass percentages of copper slag, lignite, and CaO before reduction were 314.60, 52.61, and 93.92 g, respectively.
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