processing of the oxidized copper ores

  • Copper Mining and Extraction: Oxide Ores

    The smelting stage gives the name pyroprocessing: processing by fire. (Courtesy of Xstrata.) The smelter for sulfide ores produces sulfur dioxide gas. This is scrubbed from the flue gases to make sulfuric acid for leaching copper from oxide ores. Scrubbing sulfur dioxide also protects the environment.

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  • How to Process Copper Ore: Beneficiation Methods and ...

    Oct 28, 2021 · Flotation is one of the commonly used mineral processing techniques for copper oxide ores. According to the different properties of copper oxide ores, there are sulphidizing flotation, fatty acid flotation, amine flotation, emulsion flotation and chelating agent-neutral oil flotation method. Flotation method of copper oxide ore 1.

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  • Copper Ore Processing Methods

    Apr 11, 2017 · Oxidized ores in which malachite, azurite, and chrysocolla are the predominant copper minerals that do not respond either to gravity or simple flotation methods. Sulfide-filming of the carbonates followed by flotation of the filmed minerals, or direct leaching followed by precipitation of the copper from the solution may be employed for such ores.

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  • Copper Ore Types: Sulfides vs. Oxides - Investing News

    Nov 10, 2020 · These copper oxide ores are usually leached using sulfuric acid to liberate the copper minerals into a solution of sulfuric acid laden with copper sulfate solution. The copper sulfate solution,...

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  • Production of copper cathode from oxidized copper ores by ...

    Feb 01, 2013 · The copper commonly produced from sulfide and oxide copper ores is extracted through pyrometallurgical and hydrometallurgical processes, respectively. In processing of oxide ores, the first step is to leach ore by using a leaching agent commonly sulfuric acid.

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  • (PDF) Flotation of an Oxidized Copper Sulfide Ore

    Kansanshi copper mine is situated in the north western province of Zambia. As a result of the mineral variations, the processing plant treats three distinct ore types, viz. oxide, sulphide and mixed.

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  • The recovery of oxide copper minerals from a complex ...

    As a result of the mineral variations, the processing plant treats three distinct ore types, viz. oxide, sulphide and mixed. The objective of this study was to investigate the floatability of a...

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  • Copper Ore Processing Methods

    Apr 11, 2017 · Oxidized ores in which malachite, azurite, and chrysocolla are the predominant copper minerals that do not respond either to gravity or simple flotation methods. Sulfide-filming of the carbonates followed by flotation of the filmed minerals,

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  • Copper Processing - IDEALS

    The copper can be sold to wire-rod mills or further processed into rods. Anode slime refers to impurities that sink to the bottom of the electrolytic cell. The second method for refining copper is called the hydrometallurgical process. This process begins with oxidized copper ores or oxidized copper wastes.

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  • Copper Ore Types: Sulfides vs. Oxides - Investing News

    Nov 09, 2020 · However, in some cases low-grade copper oxide ores can still be economically mined because they can be processed at a lower cost than copper sulfide ores. Oxidized copper orebodies may be treated ...

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  • copper processing - Ores | Britannica

    copper processing - copper processing - Ores: Principal forms in which copper ores are found include native copper, porphyry copper, massive deposits, and mixed ores. Native copper is simply the metal found unadulterated in nature. Occasionally copper is still found in its native form, but more frequently it is mixed with other minerals, some of which may have value themselves.

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  • (PDF) Recovery of cobalt and copper through reprocessing ...

    Solid residues from the hydrometallurgical processing of Cu-Co oxidised ores are made of the insoluble minerals, siliceous and clayey materials, insoluble sulphide minerals of Cu and Co such as ...

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  • Copper Ore Types: Sulfides versus Oxides | Nasdaq

    Apr 23, 2011 · Oxidized copper ore bodies may be treated several ways, with hydrometallurgical processes used to treat oxide ores dominated by soluble minerals such as copper carbonate minerals. These oxide ores ...

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  • Recovery of cobalt and copper through reprocessing of ...

    Dec 01, 2013 · It is an attempt oriented towards the lowering of the mineral processing industry footprint on the environment through the reprocessing of tailings from the beneficiation of oxidised ores of copper and cobalt . As the matter of fact, it is expected that the reprocessing of tailings can enable minimising the release of pollutants to watercourses ...

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  • Ore deposits formed by oxidation and supergene enrichment

    Ore Deposits Formed by Oxidation and Supergene Enrichment · When ore deposits are exposed to the oxidation zone they are weathered and altered with the country rocks. · The surface waters oxidize many ore minerals and yield solvents that dissolve other minerals. · An orebody thus becomes oxidized and generally leached of many of its valuable materials down to the groundwater table, or to ...

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  • Перспективы гидрометаллургической переработки

    of oxidized copper ores and sulfide copper concentrate, as part of new technology of complex processing deposit «erdenetiin ovoo» The issue of the Erdenetiin ovoo deposit development depth increase is considered based on application of heap leaching for oxidized, mixed,cutoff grade ores and pressure leaching for copper sulfide concentrate

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  • COBALT PROCESSING DEVELOPMENTS K G Fisher Bateman ...

    ores of other metals – predominantly copper, nickel and silver/arsenic. Hence cobalt is ... the oxidized cobalt mines of New Caledonia became the major source of cobalt, producing “alliage blanc”, up until 1904 ... supply of sulphides dwindles and laterite processing technology improves. Laterites

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  • US3849269A - Processing ores containing nickel and copper ...

    Ores containing nickel and copper oxides are initially reduced and then leached with aqueous ferric chloride. The resulting solution is oxidized to precipitate ferric hydroxide therefrom and is thereafter separated into its components from which cobalt and nickel are recovered by electrolysis. Alternatively, the resulting solution is oxidized in the presence of flaking agents which assist the ...

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  • How to Beneficiate Oxidized Copper Ores? - JXSC Machine

    Sep 08, 2021 · The same is true in foreign countries. Flotation method is mainly used to deal with easily separable oxidized copper ores, and combined process is mostly used for refractory oxidized copper ores. Selection of Test Scheme . The main separation objects of

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  • Studies on Hydrometallurgical Treatment of Oxydized Gold ...

    Inherent problems of oxidized gold-bearing copper ores processing and a comparison of hydrometallurgical methods, applied for such materials, are discussed in this article. Studies on sulfuric acid and cyanide leaching have been carried out, using the following sample of oxidized ore from one of the copper deposits (Kyrgyzstan), %: 15 Mg O, 45.6 SiO2, 0.1 S, 20 Ca O, 12.1 Fe2O3, 0.86 Cu, 1.78 ...

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  • Hydrometallurgical Processing of Low-Grade Sulfide Ore

    as Casino Project (Yukon Territory, Canada) processing sulfide and oxidized copper ores bearing gold [37]. Minerals 2018, 8, 436 3 of 14 Low temperature and permafrost complicate implementation and operation of heap leaching pads and increase their costs. The following measures are taken to keep the leaching heaps warm [17,38,39]:

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  • Studies on Leaching of Oxidized Copper Ore from South ...

    A leaching study was conducted on South America oxidized copper ore assaying 3.10% Cu, and the process parameters were optimized, including leaching temperature, leaching time, acid consumption, liquid-solid ratio and stirring rate. The results show that copper leaching rate of 92.02% were achieved under the optimized conditions as follows: raw ...

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  • Minerals | Free Full-Text | Assessment of the Possibility ...

    Jan 12, 2021 · The main technology planned for processing copper ores is flotation, suitable for primary copper sulfide ores. Large volumes of oxidized ore are planned to be stored in dumps, and this study investigates the possibility of hydrometallurgical processing of oxidized ores by

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  • Review on New Process and New Reagent of Copper Oxide ...

    The paper briefly analyzes and systematically summarizes flotation process and chemical treatment method of low-grade oxidized copper ores in recent years. The new high-efficient collectors and system of reagent combined usage are developed widely and have become an important research direction of oxidized copper ores.

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  • LEACHING OF LOW-GRADE COPPER ORES: A CASE STUDY

    Oxidation reactions and leaching of copper minerals and pyrite from low-grade copper ores and mining waste (waste rock, overburden, oxidized portions of the ore body) proceed according to the following stoichiometric equations shown in Table 1 [16]. Dump, heap and in-situ leaching are the

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  • Review on the Mineral Processing-Metallurgy Combined ...

    Experimental Research on Water-Heating Sulphidizing Flotation Process of A Low-Grade Refractory Oxidized Copper Ore [J], Metal mine. 2012(4) 63-67. [6] Yahui Guo. Copper hydrometallurgy - Current status and future direction [J], China Nonferrous Metallurgy. 2006(4) 1-6.

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  • (PDF) PGM extraction from oxidized ores using flotation ...

    Earlier attempts to process the oxidized PGM ores by conventional flotation methods achieved poor recoveries (typically less than 50%). ... floatability of a complex Kansanshi mixed copper ore ...

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  • Investigation of Leaching Kinetics of Copper from ...

    Apr 26, 2012 · The production of metallic copper from low-grade copper ores is generally carried out by hydrometallurgical methods. Leaching is the first prerequisite of any hydrometallurgical process. Solutions containing ammonia may allow for selective leaching of the copper from the ore. In this study, the leaching kinetics of malachite, which is an oxidized copper ore, in ammonium nitrate solutions

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  • Method for processing sulfide concentrates

    The invention relates to methods of processing of oxidized copper ores, mixed sulfide is oxidized copper ores, as well as intermediate products, tailings and slag containing oxidized copper compounds The method of processing the crushed material in the fluidized bed and a method of producing molten pig iron or liquid steel semi-finished ...

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  • US3751240A - Method of roasting copper sulphide ...

    A method of roasting copper-iron-sulphide ore concentrate or mixture, wherein the ratio of sulphur values to copper values is preferably at least one, to yield a calcined product, for the separation and recovery of copper values by acid leaching and electrolytic deposition, having at least 99 percent of its copper values soluble in dilute sulphuric acid and no more than 10 percent of the iron ...

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  • Metallurgist | Article about metallurgist by The Free ...

    The process makes possible the successful treatment of ores with a copper content of less than 1 percent. Nonfloating low-grade oxidized ores, containing less than 0.7 percent copper, are processed by the hydrometallurgical method (leaching).

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  • Study of the flotation of argillaceous copper oxide ore ...

    Dec 08, 2021 · Oxide copper ore accounts for a significant part of China's copper reserves. Most sulfide deposits in China have oxidation zones on the upper part, and some deposits are oxidized to become large and medium-sized oxidation deposits. Therefore, the development and treatment of copper oxide ore are of great significance to the development of the copper metallurgical industry.

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  • OPTIMIZING OF LIXIVIANT AND REDUCTANT ON THE

    des Mines). The copper-cobalt ore is beneficiated by the sulphidization process at the NCK (New Concentrator of Kipushi) . Sulphidization followed by flotation with sulphydryl collectors is a common practice for the treatment of oxidized base metais ores (Shungu et ai, 1988, 163, Zhang, 1993, 619). This process is complex and

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  • Flotation Behavior of Iranian Oxidized Zinc Ore Using ...

    Apr 01, 2015 · In this study, the flotation of oxidized zinc ore from Angooran ore in the presence of cationic collector such as dodecylamine (DDA), anionic collectors such as oleic acid (OA), potassium amyl xanthate (KAX), hexyl mercaptan (HM) and mixed collector (cationic/anionic) was investigated. The parameters of the flotation process such as recovery, grade and the effect of using some collectors ...

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  • Exploitation of copper, nickel and cobalt by treating ...

    Process for treating oxidized ores with a manganiferous matrix to recover the small quantities of copper, nickel and cobalt, which consists of attacking the aforementioned ore by means of an aqueous solution of H 2 SO 4 with the simultaneous injection of sulfur dioxide, at a temperature which does not exceed boiling point of the medium, at a pH less than 1.5; introducing an alkaline sulfide to ...

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