The copper smelter slags are highly heterogeneous and chemically diverse (Table 2).The bulk chemical composition of copper slags mainly depends on the metallurgical processes from which they are derived, which are determined by type of concentrate, type of fluxes, type of furnaces and cooling rates (Gbor et al., 2000, 2003; …

Abstract. Copper slag is a by-product obtained during the matte smelting and refining of copper. Singapore imports huge amount of copper slag to be used as abrasive material for ship clearing and repairing, and resulting in used copper slag as waste material. It has been estimated that 300,000 tonnes of copper slag needs to be disposed annually.

Air-cooled and granulated copper slags have several favourable mechanical properties for use as aggregates in construction such as excellent soundness characteristics, excellent abrasion resistance and good stability (Gorai et al., 2003).These properties of copper slag make it suitable as a partial or full replacement for Portland …

Metal Losses to the Slag in Smelting and Converting. 80% of the copper produced from ores worldwide originates from sulfide ores. The copper concentrate which results from flotation of the ore is typically smelted and converted to blister copper [].During smelting S and Fe are oxidized, where SiO 2 is added to form a liquid ferric or ferrous …

Consequently, flotation was attempted to recycle Cu in slag containing copper sulphide components. Three key factors affecting flotation were ascertained, namely, grinding fineness, the collector and the pH value, while the recovery of Cu estimated by ICP and XRF. Copper concentrate grading at 14.47 with 79.66% Cu …

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Composed mainly of silica, lime and lesser amounts of other components like alumina or magnesia, slag plays a vital role by purifying iron as well as eliminating non-ferrous constituents before transport and smelting. Refer …

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Copper slag is a solid pollutant with high recyclability. Reduction and separation are regarded as effective disposal methods. ... J., and Huang, F. (2016). Separating and Recycling of Fe, Cu, Zn from Dumped Copper Slag by Microwave Irradiation Assisted Carbothermic Method. J. Residuals Sci. Technol. 13 (S1), …

The utilization of solid waste is the challenge for the civil and environmental engineers to utilize the waste from different industry to excel the sustainable development, and in the same time, it is matching with the cost concern of the present materials. Copper slag is a by-product obtained during smelting and refining of copper. The waste copper …

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Abstract. Copper slag can be treated as a secondary resource since it usually contains a substantial amount of copper and other valuable metals. Characterization of the slags to determine the expected metal recovery is essential for the design of separation flow sheets. In this study, the chemical and mineralogical composition of a copper slag ...

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Copper smelting is a major source of copper production, generating significant amounts of slag. In 2022, China produced over 11,000 kilotons of refined copper, leading to 2.2 to 3 tons of slag per ...

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Recycling Today Staff | May 01, 2012. Phoenix Services, headquartered in Kennett Square, Pa., has opened a 13-acre slag processing and distribution facility at the Port of Indiana. The announcement follows the company's signing of a multi-year contract with ArcelorMittal to provide slag and processing services at the steel company's Burns ...

Copper slagCopper slag is a major waste produced in pyrometallurgical plants during the smelting and converting operations and has caused heavy environmental contamination. ... Pan J et al (2021) Comprehensive review on metallurgical recycling and cleaning of copper slag. Resour Conserv Recycl 168:105366. Article CAS Google …

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The most important types of utilization with 9.3 % are the application as raw material for clinker production and recycling within the metal industry. In Brazil, by-products from the steel industry consist of 42 % blast furnace slag, 27 % steelworks slag and 31 % other by-products such as dusts, sludges, etc., according to figures from the ...

Copper in copper slag mainly exists in the form of chalcocite (Cu 2 S), accounting for 80–90%, and the content of metallic copper and copper oxide is generally very small. Iron in copper slag mainly exists in iron olivine, magnetite, zinc-iron spinel (ZnFe 2 O 4 ), and a very small amount of iron exists in the form of hematite and metallic …

Copper smelting slag is a solution of molten oxides created during the copper smelting and refining process, and about 1.5 million tons of copper slag are generated annually in Korea. The oxides in copper smelting slag include ferrous (FeO), ferric oxide (Fe2O3), silica (SiO2 from flux), alumina (AI2O3), calcia (CaO) and …

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Steel slag, which is mostly calcium carbonate, is created as a by-product of the steel oxidation process, whereas copper slag is created as a by-product of the metal smelting process and copper ...

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However, this recycling method causes a waste of valuable metals since copper slag contains abundant iron and copper [1,2, 5]. Besides, the ceramics obtained from copper slag usually show red or ...