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extraction of copper ore

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  el jay rc std portable cone crusher specification in south africa for sale

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  • extraction of copper ore

    Copper oxides are more abundant near the surface but are considered lowgrade ore with a lower concentration of copper Although this requires more ore to be extracted and processed this process is less expensive so oxides can still be mined at a profit On the other hand while copper sulfide ores are less abundant they contain higher amounts of copper Although the processing costs are higher

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  • extraction of copper ore

    Extracting copper from other ores Copper can be extracted from nonsulphide 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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  • extraction of copper ore

    The extraction of copper from ore is normally carried out in three major steps The first step mineral processing is to liberate the copper minerals and remove waste constituentssuch as alumina limestone pyrite and silicaso that the copper minerals and other nonferrous minerals of value are concentrated into a product containing between 20 and 30 percent copper

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  • extraction of copper ore

    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 hydrometallurgical process EXTRACTION OF COPPER BY SMELTING PROCESS Following steps are involved in the extraction of copper Crashing and Grinding The ore is

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  • extraction of copper ore

    Copper Mining The commonest ore used in the extraction of copper is Chalcopyrite CuFeS 2 also known as Copper Pyrites and other such sulfides 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

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  • extraction of copper ore

    Copper Applications in Metallurgy of Copper Copper Alloys Extraction Ores are first mechanically crushed and ground so that nearly all copper mineral particles are freed from the gangue Flotation by the injection of air and violent agitation is carried out with the pulverized ore held in suspension in water

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  • extraction of copper ore

    Copper Mining Extraction Process Flow Chart All ore in the pit is drilled and blasted and loaded into trucks and hauled for treatment if the ore is unoxidized sulfidic ore then it needs to be crushed and milled to a fine slurry then it gets past through flotation cells in

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  • extraction of copper ore

    The principle ore of copper is copper pyrite and copper is extracted from this ore The different steps in extraction of copper are Crushing and Concentration The ore obtained from mines are broken down into small piece by jaw crusher and then pulverized The ore being sulphide ore is concentrated by froth floatation process Pulverized ore is kept in water containing pine oil and the mixture is agitated by

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  • extraction of copper ore

    than carbon it can be extracted from its compounds by heating with carbon Copper is an example of this Copper mostly occurs as sulfide ores which are heated in air to convert them to copperII

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  • extraction of copper ore

    After all the nature of the ore only matters for extraction as far as the refining or metallurgy is concerned they are almost always mined aka extracted from the Earth in exactly the same two ways Rolinator 0148 22 July 2007 UTC Agreed and removed the fromationmining sections Do we need a name change Copper extraction from ores

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  • extraction of copper ore

    Copper Mining and Extraction Oxide Ores Most of the copper ores mined today are oxide or sulfide ores Extraction of sulfide ores is covered in more detail in Copper Mining and Extraction Sulfide Ores 11–14 but is introduced here because an important byproduct of

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  • extraction of copper ore

    Acid Leaching – Copper Ore Treatment Method The treatment of copper ores both oxides and sulfides by means of flotation hydrometallurgy or other processes has been well established for many years Flotation has been applied generally to the treatment of sulfide ores

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  • extraction of copper ore

    An ore is a rock that contains enough of a metal or a metal compound to make extracting the metal worthwhile Extraction methods The extraction method used depends upon the metals position in the

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  • extraction of copper ore

    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

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  • extraction of copper ore

    Extraction of Copper Chalcopyrite CuFeS 2 is the commonest copper is mainly extracted from the sulphide ore Cu 2 S by the selfreduction process The ores

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  • extraction of copper ore

    The ore is treated with dilute sulphuric acid This trickles slowly through the ore dissolving copper to form copper sulphate The copper is recovered by electrolytic refining Advantages of this process are much less energy is use than in traditional mining no waste gases are given off

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  • extraction of copper ore

    The copper ore has to be dug from the ground The ore contains some copper mineral and lot of waste rock The copper mine in picture 4 produces 6 tonnes of copper from every 1000 tonnes of ore Extraction An ore has to be changed chemically into the metal This process is called reduction

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  • extraction of copper ore

    The extraction of metals from ores is what allows us to use the minerals in the ground The ores are very different from the finished metals that we see in buildings and bridges Ores consist of the desired metal compound and the impurities and earthly substances called Gangue The extraction of metals and its isolation occurs over a few major steps

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  • extraction of copper ore

    The process of extracting copper from copper ore varies according to the type of ore and the desired purity of the final product Each process consists of several steps in which unwanted materials are physically or chemically removed and the concentration of copper is progressively increased

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  • extraction of copper ore

    Oxidised copper ore vs Copper oxide ore Oxidised copper ore bodies are copper ore bodies which are oxidised in a geological sense Not a chemical sense ie they are products of oxidation of reduced copper minerals sulphides to oxide minerals such as carbonates within the regolith

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  • extraction of copper ore

    Conventional Copper Extraction Conventionally copper is recovered by a pyrometallurgical process known as smelting In this process copper ore is mined

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  • extraction of copper ore

    22 OVERVIEW OF COPPER EXTRACTION The copper extraction process begins at an open cut mine where Copper Ore is blasted and removed via Excavators and Tip Trucks The ore is fed to a Crusher where it is broken down to a specified maximum size and passed through to a conveyor When the crushed ore falls onto the

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  • extraction of copper ore

    Biological methods of metal extraction Higher The Earths supply of metal ores is limited For example highgrade copper ores which contain a high percentage of copper are becoming harder

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  • extraction of copper ore

    Avoiding the pollution problems in the extraction of iron from the ore Not having to find space to dump the unwanted iron if it wasnt recycled Offsetting these to a minor extent Energy and pollution costs in collecting and transporting the recycled iron to the steel works

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  • extraction of copper ore

    Extraction of copper Copper is extracted from is chief ore copper pyrite The various steps involved in the extractions are a Crushing and concentration The ore is crushed in jaw crusher and powdered in ball mills It is concentrated by froth floatation process In this method powdered ore is mixed with water and pine oil in a tank

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  • extraction of copper ore

    The copper extraction process begins at an open cut mine where Copper Ore is blasted and removed via Excavators and Tip Trucks The ore is fed to a Crusher where it is broken down to a

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  • extraction of copper ore

    Mining and extraction of copper by surface or underground methods can concentrate and expose radionuclides in the waste rock and tailings tailingsThe remaining portion of a metalbearing ore after some or all of a metal such as uranium has been extracted Leaching and solvent extractionelectrowinning processes as well as the practice of recycling raffinate at copper mines

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  • extraction of copper ore

    Nov 04 2019 · Extraction of Metals Industries extract metals from their ores What are ores Let me explain in a simple way Usually less reactive metals such as gold and silver are found in their pure form in the soil But this is not the case with more reactive iron or aluminum Usually iron and aluminum exist as compounds with oxygen also known as oxides

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  • extraction of copper ore

    A graph of mass of the ore used in the extraction against mass of the precipitate produced The results show that the amines and uric acids in chicken waste can complex copper ions from ores just like the acid leached solution Therefore the copper ions obtained from 60 g of the ore were later reduced by hydrazones species prepared in situ

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  • extraction of copper ore

    May 28 2016 · Copper is leached with sulfuric acid from crushed oxide based ores The refined copper from this process is classified as SXEW Solvent Extraction ElectroWon I visited a copper mine in Arizona where this process was used Crushed ore is spread over the side of a very large field There was a collection liner beneath the ore

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  • extraction of copper ore

    Generally copper extraction follows the sequence see Figure below 1 Beneficiation by froth flotation of ore to give copper concentrate Optional partial roasting to obtain oxidized material or calcines 2 Twostage pyrometallurgical extraction 1 smelting concentrates to matte 2 converting matte by oxidation to crude converter or blister copper 3

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  • extraction of copper ore

    There are two steps in the extraction of copper metal from chalcocite a copper ore In the first step copperI sulfide and oxygen react to form copperI oxide and sulfur dioxide2 Cu2 Ss3 O2g rightarrow 2 Cu2 Os2 SO2g In the second step copperI oxide and carbon react to form copper and carbon monoxide Cu2 Os Cs rightarrow 2 Cus COg Write the net chemical

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  • extraction of copper ore

    Extraction of Copper Copper is sometimes found as native metal Copper ores include copperII oxide and copperII sulfide CopperII oxide can be reduced by reaction with carbon Some copper ores may contain only small amounts of copper but they are still used because copper is so valuable

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  • extraction of copper ore

    leaching of highgrade copper oxide ore followed by EW of copper from the leach solution produced low quality copper cathode at relatively high cost In 1968 the tonnage of highgrade oxide ores was decreasing and vat leaching was on the decline The second process heap and dump leaching of low

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  • extraction of copper ore

    Extraction of Silver by cyanide process and its uses Silver also occurs both in combined state as well as in free state The important ores of silver are Argentite Ag 2 S Copper silver glance Horn silver Ruby silver The silver ores are found along with gold ores in some parts of India

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  • extraction of copper ore

    Oct 14 2019 · Metal ore is a type of rock from which a metal can be extracted Ores are most often oxides a common example is hematite Fe 2 O 3 But metals can also be found in sulfides like ZnS sulfates like BaSO 4 or carbonateslike what you will work with today

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  • extraction of copper ore

    Tailings produced from the milling of sulfide ores primarily copper lead and zinc ores may have concentrations of pyrite that are greater than those common in waste rock Also because tailings are composed of small mineral particles the size of fine sand and smaller they can react with air and water more readily than waste rocks

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  • extraction of copper ore

    Copper Refining From Ore to Market while copper ore that is rich in oxides is refined through hydrometallurgy Read on to learn more about copperrefining processes Solvent extraction

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