removing iron ore from copper concentrate
Processing of Complex Materials in the Copper Industry
ResultCopper Content in Ores and Concentrates. A global copper mine-by-mine review undertaken by ICSG found that the global average copper ore grade was as low as 0.45% copper in reported reserves and only 0.65% copper in 2015 copper mine production. Global weighted average of copper concentrate output …
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Advancements in Removing Fluorine from Copper Concentrate
ResultThe copper concentrate contains copper, iron, sulfur, and also some other harmful elements such as fluorine ions . The smelting process involves the …
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REMOVING IMPURITIES FROM IRON ORES: METHODS …
Resultand silica in the iron concentrate should be less than 0.04%, 0.15 % and 1.5 % respectively. Scarcity of high grade iron ores necessitates using lower grade ores with higher amounts of impurities. The
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Copper Concentrates
ResultThe production of concentrates implies the crushing and later milling of the ore down to a particle size allows releasing copper by flotation. The concentrates from different regions have approximately between 24% up to 36% of copper. Copper concentrates are then submitted to a final filtration and drying process to …
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Thermodynamic interaction and iron passivation mechanism of copper
ResultCopper–cobalt sulfide flotation concentrate received from Comika Mining Kamoya project in Congo contains around 24.2% copper, 7.1% cobalt, 22.9% sulfur, 13% iron, and a small amount of other metals. Under the condition of temperature 190 °C, oxygen partial pressure 6 atm, leaching time 2 h, liquid-to …
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Copper Concentrate
ResultWear-Resistant Rubbers for Ore and Mining Industries. Chellappa Chandrasekaran, in Anticorrosive Rubber Lining, 2017. Future of Hydraulic Transportation of Solids. Materials that are currently being transported over long distances by pipelines include coal, iron ore, limestone, and copper concentrates.For hydraulic transportation …
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A Review of the Recovery of Gold and Silver From Copper …
ResultPresentation. Diego Medina. Corby G Anderson. Globally, copper, silver, and gold ore body grades have been dropping, and the mineralogy surrounding them has become more diversified and complex ...
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OPTIONS FOR REMOVING ARSENIC AND TALC FROM A …
ResultArsenic is a penalty element for smelters and at levels exceeding 0.3% the smelters may reject the concentrate. Arsenic is a problem environmentally for copper smelters and penalties apply when it is high. This paper describes the options for penalty element removal and suitability to incorporate into the modified flowsheet.
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Pressure leaching behaviors of copper-cobalt sulfide concentrate …
ResultAfter removing iron and manganese from the residual solution after copper extraction, cobalt is precipitated to obtain the primary cobalt hydroxide product prior to further refining; while for sulfide ore, flotation is the first step, and the flotation concentrate is sent for further treatment such as pyrotechnic process, …
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Method for selectively removing zinc from zinc-containing copper
ResultThe invention relates to a method for selectively removing zinc from zinc-containing copper concentrate by using a high-iron oxidant, which comprises the following steps: mixing zinc-containing copper concentrate with water to form ore pulp, adding a high-iron oxidant into the ore pulp, and carrying out agitation leaching; …
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Extraction and separation of copper and iron from copper …
ResultIn 2021, China imported 23.404 million tons of copper ore and copper concentrate, and 1.12 billion tons of iron ore. The external dependence of both copper and iron exceeded 80%, which posed a great threat to the healthy and sustainable development of China's non-ferrous industry, iron and steel industry …
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Arsenic removal from copper ores and concentrates …
ResultThe arsenic dissolution behavior of other copper ore and concentrate samples were investigated while maintaining leaching conditions of temperature, pulp density, and NaHS and NaOH additions at 80 °C, 500 g/L, and 100 g/L respectively and varying leaching time from 30 min to 6 h.
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Arsenic Removal from Arsenopyrite-Bearing Iron Ore and …
ResultIn most cases, arsenic is an unfavorable element in metallurgical processes. The mechanism of arsenic removal was investigated through roasting experiments performed on arsenopyrite-bearing iron ore. Thermodynamic calculation of arsenic recovery was carried out by FactSage 7.0 software (Thermfact/CRCT, …
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Optimizing iron separation and recycling from iron tailings: …
ResultThe experimental process was presented in Fig. 1 and comprised three stages, including magnetization roasting of iron tailings, alkaline leaching of roasted products, and magnetic separation of leaching residue. The roasted ore was leached with NaOH solution to remove Si-Al gangue minerals, following a procedure that …
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Selective impurity removal and Cu upgrading of copper …
ResultThe gradual decrease of global copper resources is among the most urgent challenges for the mining industry. Sustainable utilization of copper sulphide flotation concentrate from iron oxide copper gold (IOCG) deposits is often constrained by the impurity elements (e.g. U, Th and F) and high levels of gangue …
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Recovering gold from copper concentrate via the
ResultAbstract. HydroCopper™ technology comprises a chloride-leaching method for copper sulfide concentrates and copper production up to semi-products. As compared with the commonly used sulfate ...
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Quality of copper concentrate impacts smelter emissions
ResultFor example, in the Kamoa mine in the DRC nearly 70% of mineralogy consist of the high copper content bornite, covellite and chalcocite. The above-mentioned mineralogy results in concentrate quality at above ~60% copper content. Finally, the copper rich minerals include significantly less iron, which …
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Processing of Complex Materials in the Copper …
ResultThis will cause a gradual decrease in the copper concentrate grade of traded concentrates, unless efforts are …
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Processing of Complex Materials in the Copper Industry: …
ResultCopper Content in Ores and Concentrates. A global copper mine-by-mine review undertaken by ICSG found that the global average copper ore grade was as low as 0.45% copper in reported reserves and only 0.65% copper in 2015 copper mine production. Global weighted average of copper concentrate output …
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Recovery of Copper from Copper Sulfide …
ResultThis research investigates the extraction of copper from copper-containing leaching residue, which includes 33.45% of copper, 14.14% of iron, 23.87% of sulfur and trace amounts of …
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Copper Overview: From the Ore to the Applications
ResultCopper is a metal that is widely used in different applications mainly due to its thermal and electrical conductivities, together with its corrosion resistance, particularly when it is alloyed. This chapter intends to be a summary of the copper metallurgy: from the historical aspects and mineral deposits or statistics to the …
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8.2: Mining and Ore Processing
ResultRelatively deep deposits, or those with elongated or irregular shapes are typically mined from underground with deep vertical shafts, declines (sloped tunnels) and levels (horizontal tunnels) (Figures 8.2.1 and 8.2.2). In this way it is possible to focus the mining on the orebody itself. In some cases, the near-surface …
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Australia sends biggest copper concentrate shipment to …
ResultThe exports raise hopes that China may be removing the ban imposed after Australian calls for an inquiry into the origin of covid-19. Australia sends biggest copper concentrate shipment to China ...
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Recovery of high-grade copper concentrate from sulfur-rich porphyry ore
ResultRoughing and cleaning flotation on the feed ore was first carried out to obtain a high grade Cu-S concentrate for the subsequent S removal stage. Roughing flotation of the feed ore and subsequent cleaning operations resulted in a high grade cleaner Cu-S concentrate containing 9.15% Cu and 45.55% S by grade.
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Acidithiobacillus ferrooxidans and mixed Acidophilic …
ResultTherefore, it is crucial to know the removal efficiency and to understand the removal mechanism of sulfur in iron ore concentrate by A. ferrooxidans with Fe 2+ as electron donor and by mixed Acidophilic microbiota with elemental sulfur as the electron donor. Its implementation of it in the metallurgical …
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Copper Concentrate Enrichment Process
ResultMost copper ore currently being mined contains copper mainly as chalcopyrite. ... The cost of shipping and smelting copper concentrates would be greatly reduced if the copper …
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Australia's Rio Tinto sees China driving iron ore demand; copper …
ResultThe company's output of iron ore for the three months to December 31 fell 2 per cent to 87.5 million tons, Rio said in the statement. Bauxite production rose 15 per cent, aluminium was up 8 per ...
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Mineral Concentrate Marketing
ResultLead, zinc and copper smelters each having different smelting practices either give a low return, no payment or a penalty for metals adverse to the particular process. For instance, copper …
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Simultaneous extraction of copper and iron from …
ResultThe present investigation explored the dissolution of copper and iron from chalcopyrite ore in a chloride medium using Cl 2 gas. The effect of various …
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Processing of Cobalt-Copper-Arsenic Complex Ore Concentrate
ResultExtraction of cobalt from complex ore flotation concentrates obtained from the Blackbird Mine. Idaho. USA is reviewed. After flotation of a primary copper concentrate, a bulk concentrate is recovered containing major amounts of cobalt, arsenic, and iron, with minor amounts of copper and nickel. This concentrate …
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