extraction of copper from sulphide ore

extraction of copper from sulphide ore

Copper Mining and Extraction Sulfide Ores

Copper can be extracted from its ore by: Underground: sinking a vertical shaft into the Earth to an appropriate depth and driving horizontal tunnels into the ore. Open pit: 90% of ore is mined by this method. Ores near the surface can be quarried after removal of the surface layers.

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Extraction of copper from complex carbonaceous sulfide ore ...

Nov 01, 2021 · 1. Introduction. The complex carbonaceous sulfide ore is categorized under the sediment-hosted stratiform copper deposits which account for about 20–25% of the world's copper production and reserves (Hitzman et al., 2005, Misra, 2000).Carbonaceous sulfide ores host polymetallic minerals characterized by carbonates (dolomite, calcite, magnesite, etc.) and carbonaceous materials

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EXTRACTION OF COPPER

EXTRACTION OF COPPER FROM SULPHIDE ORE Large amount of copper are obtained from copper pyrite (CuFeS2) by smelting. Ores containing 4% or more copper are treated by smelting process. Very poor ores are treated by hydro-metallurgical process. EXTRACTION OF COPPER BY SMELTING PROCESS Following steps are involved in the extraction of copper ...

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US6455019B2 - Process for the extraction of copper from a ...

A process for the extraction of copper from a sulphide ore or concentrate comprises the steps of subjecting the ore or concentrate to pressure oxidation in the presence of oxygen and an acidic solution containing halide and sulphate ions to obtain a resulting pressure oxidation slurry. The slurry is subjected to a liquid/solid separation step to obtain a resulting pressure oxidation filtrate ...

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How is copper extracted from its sulphide ore? Explain the ...

Then electrolytic refining of copper is carried out to remove the rest of the impurities present in the ore. The impure copper is made anode and strip of pure copper are made cathode. On passing the current as shown in the diagram, the pure copper from the anode dissolves into an electrolyte. An equivalent amount of copper is deposited on the ...

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Bacterial consortium for copper extraction from sulphide ...

The mining industry is looking forward for bacterial consortia for economic extraction of copper from low-grade ores. The main objective was to determine an optimal bacterial consortium from several bacterial strains to obtain copper from the leach of chalcopyrite. The major native bacterial species involved in the bioleaching of sulphide ore ...

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In the extraction of copper from its sulphide ore, the ...

In the extraction of copper from its sulphide ore, when ore is subjected to roasting, some of it is oxidised to Cu 2 O which reacts with the remaining Cu 2 S (sulphide ore) to give copper metal. Cu 2 S +2Cu 2 O → 6Cu +SO 2 ↑ In this process, Cu 2 S behaves as reducing agent.

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In the extraction of copper from its sulphide ore, the ...

In the extraction of copper from its sulphide ore, the metal is finally obtained by the reduction of cuprous oxide with copper(I) sulphide. 2 C u 2 S + 3 O 2

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Copper Mining and Processing: Processing Copper Ores ...

Sulfide ores are generally processed using pyrometallurgy, the extraction and purification of metals by processes involving the application of heat. This process uses a series of physical steps and high temperatures to extract and purify copper from copper sulfide ores, in four basic steps: 1) froth flotation, 2) thickening, 3) smelting, and 4 ...

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copper extraction and purification - chemguide

Extracting copper from its ores. The method used to extract copper from its ores depends on the nature of the ore. Sulphide ores such as chalcopyrite are converted to copper by a different method from silicate, carbonate or sulphate ores. Getting copper from chalcopyrite, CuFeS 2. Chalcopyrite (also known as copper pyrites) and similar sulphide ...

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Extraction Of Copper | Mining, Concentration, Smelting ...

Copper Mining: The commonest ore used in the extraction of copper is Chalcopyrite (CuFeS 2) also known as Copper Pyrites and other such sulphides. The percentage of copper in the actual ore is too low for direct extraction of copper to be viable. The concentration of ore is required and it is done by the Froth Flotation method. Concentration of ...

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For the pyrometallurgical method used for the extraction ...

For the pyrometallurgical method used for the extraction of copper from sulphide ore, which statements is//are correct ?

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Synchronous extraction of nickel and copper from a mixed ...

Mar 10, 2018 · When mixed oxide-sulfide nickel ore is treated by the existing process for high-grade nickel sulfide ore, approximately half of the non-ferrous metals including nickel, copper and platinum group metals are lost (Kosyakov et al., 1995), resulting in low recovery of valuable metals and poor economic benefit (Senior and Thomas, 2005).

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Copper Sulfide Flotation - Mineral Processing & Metallurgy

Apr 13, 2016 · Flowsheet for treatment of Copper Sulfide ores rich inminerals such as chalcopyrite with gold and silver as well as arsenopyrite. The above flowsheet is designed for the treatment by flotation of copper as chalcopyrite with gold and silver values. The ore, ranging from 60-65% silica, with pyrite, arsenopyrite, and calcite with 3 to 4% copper.

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「copper extraction from the ore」-KZ mining

Extracting copper from other ores. Copper can be extracted from non sulphide ores by a different process involving three separate stages: Reaction of the ore over quite a long time and on a huge scale with a dilute acid such as dilute sulphuric acid to produce a very dilute copperII sulphate solution.

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copper extraction process from copper ore

Copper beneficiation process Yantai Jinpeng Mining. Copper ore divides into ore sulfide,ore oxide and mixing ore according to its oxide rate . The main process for copper ore is flotation, for refractory mixed copper ore and refractory oxide ore, normally use hydrometallurgy process .It is a high technological enterprise that integrated research, manufacture, sales and service .

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Sulphide Gold Ore Treatment by Leaching and Flotation Process

Apr 18, 2016 · Problem with gold recovery from sulphide ore: How may a mill get the maximum recovery of gold from a sulphide ore, at the least capital cost and at the same time obtain the highest net return.This latter point is most important. In many cases a gold mill using an all-cyanide flowsheet with fine grinding of all the ore will report very low gold content in the tailings particularly on an ...

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Chlorate-based oxidative hydrometallurgical extraction of ...

Mar 01, 2009 · 1.Introduction. Many important base metals such as copper, lead, iron, and zinc are present in nature combined with sulfur as metal sulfides, known as chalcopyrite, galena, pyrite, and sphalerite, respectively (Abraitis et al., 2004).The extraction of such metals from their ores has commonly been performed using mainly pyrometallurgical, hydrometallurgical, and biochemical

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Bacterial consortium for copper extraction from sulphide ...

The mining industry is looking forward for bacterial consortia for economic extraction of copper from low-grade ores. The main objective was to determine an optimal bacterial consortium from several bacterial strains to obtain copper from the leach of chalcopyrite. The major native bacterial species involved in the bioleaching of sulphide ore ...

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In the extraction of copper from its sulphide ore the ...

Copper ores are generally oxides or sulphides. - In the extraction of copper (I) sulphide, there are mainly five steps involved. But depending on the type of ore used, steps may be reduced to four. - According to the question copper is extracted from its sulphide ore so copper is extracted from copper glance which is copper (I) sulphide ore.

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Solvometallurgical process for extraction of copper from ...

Dec 13, 2019 · Extraction of copper from sufidic ores, either by pyrometallurgy or hydrometallurgy, has various limitations. In this study, a solvometallurgical process for the extraction of copper from sulfidic ore minerals (chalcopyrite, bornite, chalcocite and digenite) was developed by using an organic lixiviant (FeCl 3 as oxidizing agent and ethylene glycol (EG) as organic solvent).

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EP1012351B1 - Chloride assisted hydrometallurgical ...

EP1012351B1 - Chloride assisted hydrometallurgical extraction of copper from sulphide ore materials - Google Patents Chloride assisted hydrometallurgical extraction of copper from sulphide ore materials Download PDF Info Publication number EP1012351B1. EP1012351B1 ...

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Copper Sulfide Flotation - Mineral Processing & Metallurgy

Apr 13, 2016 · Flowsheet for treatment of Copper Sulfide ores rich inminerals such as chalcopyrite with gold and silver as well as arsenopyrite. The above flowsheet is designed for the treatment by flotation of copper as chalcopyrite with gold and silver values. The ore, ranging from 60-65% silica, with pyrite, arsenopyrite, and calcite with 3 to 4% copper.

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Copper Ore Types: Sulfides vs. Oxides | An Investor's ...

Nov 09, 2020 · Copper sulfide ores are typically the most ... on types of copper deposits to get a better understanding of how copper is found and to learn about the process of copper extraction from ...

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Extraction of Metals - How is it carried out? Different ...

Nov 16, 2021 · Mercury Oxide is formed . The oxide is heated to about 300℃. It gets reduced to form Mercury metal. (II) Extraction of Copper Conc. Sulphide ore Cu 2 S is roasted in air to form Copper Oxide. When enough Cu 2 S has been converted to Cu 2 O, the supply of air is cut. Cu 2 O reacts with the remaining Cu 2 Sto form Cu. Extraction of moderately reactive metals :

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What is the Second step in the extraction process of ...

Oct 15, 2021 · Answer: The second step in the extraction of copper from it's ore depends on the process being used designed based on the ore type. For example the process for oxide copper ore will be different from that for sulphide copper ore. The oxide

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copper extraction process from copper ore

Copper beneficiation process Yantai Jinpeng Mining. Copper ore divides into ore sulfide,ore oxide and mixing ore according to its oxide rate . The main process for copper ore is flotation, for refractory mixed copper ore and refractory oxide ore, normally use hydrometallurgy process .It is a high technological enterprise that integrated research, manufacture, sales and service .

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(PDF) A Review of the Flotation of Copper Minerals

Sulphide ores are the major sources of base metals like Copper, Lead, Zinc, Nickel and Cobalt. Beneficiation of. these base metal sulphide minerals is predominantl y through the froth flotation ...

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「copper extraction from the ore」-KZ mining

Extracting copper from other ores. Copper can be extracted from non sulphide ores by a different process involving three separate stages: Reaction of the ore over quite a long time and on a huge scale with a dilute acid such as dilute sulphuric acid to produce a very dilute copperII sulphate solution.

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A new way of extracting copper | MIT News | Massachusetts ...

Jun 28, 2017 · Doubling efficiency. The new work doubles the efficiency for electrolytic extraction of copper reported in the first paper, which was 28 percent with an electrolyte where only barium sulfide added to the copper sulfide, to 59 percent in the second paper with both lanthanum sulfide and barium sulfide added to the copper sulfide.

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Chlorate-based oxidative hydrometallurgical extraction of ...

Mar 01, 2009 · 1.Introduction. Many important base metals such as copper, lead, iron, and zinc are present in nature combined with sulfur as metal sulfides, known as chalcopyrite, galena, pyrite, and sphalerite, respectively (Abraitis et al., 2004).The extraction of such metals from their ores has commonly been performed using mainly pyrometallurgical, hydrometallurgical, and biochemical

Read More
Extraction of Copper and Zinc - Chemistry, Class 12 ...

May 15, 2020 · Extraction of Copper. It is mainly extracted from copper pyrites (CuFeS 2). The sulphide ore is usually of very low grade and contains iron sulphide, gangue and smaller quantities of arsenic, antimony, selenium tellurium, silver, gold and platinum. The various steps involved in the extraction are: 1) Crushing and concentration

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