Copper slag (CS) is a type of nontoxic industrial waste that is obtained during matte smelting and refining of copper. CS resembles the size of NFA and can be used as partial or full replacement ...

The use of industrial solid waste to concrete production is environmentally friendly because it contributes to reducing the consumption of natural resources, the pollution concrete production generates and the power it consumes. This paper presents the results of a study on the use of copper slag as pozzolanic supplementary cementing …

1. Introduction. Copper slag (CS) is a type of solid waste associated with the production of the copper metal. Approximately 2–3 tons of CS are generated when producing 1 ton of copper metal [1], [2].The annual production of CS is approximately 40 million tons worldwide [2].During the previous decades, large amounts of CS have been …

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 …

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 slag is of great interest because it avoids the loss of valuable metals and the threat of harmful metals, and saves a lot of natural resources and energy. This paper firstly …

Copper slag is a waste produced during pyrometallurgical processing of metals from copper concentrates. The decomposition and oxidation reactions of the …

Some wastes from copper mines can be reused. Mixtures of crushed waste rock have been used to construct embankments, fills, or pavement bases for highways. Some studies have shown that copper tailings can be used in bricks if pyrites are first removed. For more information, see the 1985 EPA Report to …

Researchers have investigated diverse harmless resource recovery technologies for waste copper slag; however, these disposal technologies still exhibit many challenges, such as high energy consumption, low valuable metal (Cu and Fe) recovery ratios, and secondary pollution (Guo et al., 2016, Sarfo et al., 2017).

While it is preferable to reuse copper slag waste, significant amounts are disposed of by deposition on landfills [31]. Therefore, despite the lack of the possibility of full biodegradation (filler decomposition), it is assumed that after the end of the life cycle of PLA-CS composites, it will be possible to realize the composting process, and ...

The copper slag has been used for cement material, sand blasting, reclamation and so on. However, most of the copper slag is stacked high as waste since the production exceeds demand. This study ...

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

Therefore, utilization of copper slag for recovering iron can be used to feed the steel plant, stimulating its resurrection. This can also help in the waste management of slag, thus reducing environmental pollution. Most slags contain 40 wt.% iron, and extraction of this iron from CS is ideal [ 70 ]. 2.2.

Treatment of molten copper slag by cascade waste-heat recovery was conducted by our group (Fig. 12) [92]. This is a typical method for recovering waste heat from a copper slag. Using this system, the waste heat of the copper slag can be efficiently recovered, and syngas can be obtained. This method can provide heat for pyrolysis and ...

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 …

The copper converter slag used in this study was supplied by a copper smelter located in Guangxi Province, China. The high contents of valuable metals in the slag, including 5.50 wt% Cu, 1.14 wt% Co and 0.35 wt% Sn (Table 1), indicate a recycling was warranted.'Others' in Table 1 mainly included oxygen which combined with Fe, Cu, …

The physical properties of copper slag are given in Table 2.As seen, the density of copper slag varies between 3.16 and 3.87 g/cm 3 based on the amount of iron content. The average specific gravity of copper slag is about 3.5 g/cm 3 that means copper slag is denser than ordinary natural aggregates. In general, water absorption of copper …

In this present study, an effort has been taken to enlighten the utilization of industrial waste copper slag and steel slag as partial replacement of fine and coarse …

The results showed that after adding 2.8 wt pct waste cathode carbon to the copper slag at 1300 °C, the Fe 3 O 4 concentration in the slag was reduced, the fluidity …

Introduction. Converter slag is a waste product in pyrometallurgy processing of copper concentrate. Specifically in the conversion process, where oxygen-rich air is used to oxidise the copper species (such as Cu 2 S) and iron species (such as FeS), producing three phases: blister copper (>98% Cu purity), gases (SO 2, SO 3, minor volatile …

Overall, copper slag waste is considered to be a non-hazardous material when used in construction according to the report by the USEPA of 1991 (Ravindra et al., 2017) ...

1. Introduction. The generation of increasing amounts of industrial wastes and by-products worldwide has raised many economic and environmental concerns (Carneiro et al., 2018, Pan et al., 2018, Sarfo et al., 2017).One of such industrial by-products is copper slag, generated at about 2.2–3 tons per ton of copper produced (Deng et al., …

Waste copper slag is mainly stockpiled or landfilled simply. Except for Fe, there are some residual metal elements in waste copper slag, such as Cu, Zn, Pb, Mo, …

Abstract. Copper slag, generated mainly during copper smelting, and classified as a potentially harmful waste, is an important secondary resource containing not only valuable metals, such as Cu, Fe, Zn, Co and Ni, in abundant quantities, but also hazardous elements, such as Pb and As. Hence, in response of its potential economic …

Copper 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 …

The current practice for management of copper slag waste is based on a linear flow model of 'produce, use and dump', although there are varying practices in different countries. This model of the economy has contributed immensely to depletion of natural resources and dumping of wastes (Stephan and Athanassiadis, 2018, Fořt and …

processing industries, especially waste material such as copper slag. It is estimated that. 2.2–3 tons of copper slag is generated per ton of copper produced, and this waste is mostly.

Meanwhile, metallurgical slag is a solid waste produced in the process of metal smelting, containing large amount of sensible heat, such as blast furnace slag [[12], [13], [14]], steel slag [15], copper slag [16, 17], nickel slag.The discharge temperature of these metallurgical slags from the furnace is 1300–1500 °C [11].For example, the …

4. Conclusion. In this work, a new method was developed and the "Full Resource Utilization" of copper slag without generating new waste resources was achieved. The whole process is divided into three steps: acid dissolution of copper slag, preparation of hematite powder and treatment of acid leach residue.

1. Introduction. Copper slag has a dense structure and is chemically stable [[1], [2]].In the past, copper slag was regarded as industrial waste and directly dumped in the slag yard or utilized for building materials [[3], [4]].These treatments cause the loss of metal resources and pose not a high threat to the environment [5].Copper slag is an artificial …

In order to minimize the amount of waste it is necessary to make more use of copper slag as a valuable resource of minerals, increasing the percentage of utilized copper slag. More than that, the slag contains a substantial amount of valuable metals, with the metal value around 60 times higher than the value of the slag as a product itself …