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Key words low grade ores copper minerals column leaching 1 Introduction The highest quantities of copper lead and zinc in the world are obtained by sulphide ore treatment The reserves of high grade ores from which the extraction of non ferrous rare and noble metals is technologically and economically feasible are becoming scarcer year by year At the same time economic growth requires
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answer choices Iron is more difficult to extract than copper Iron is the easiest metal to extract Iron cannot be extracted from its ore Question 11 60 seconds Q Name a metal that could be extracted from its metal oxide by heating with carbon answer choices
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Whatever method is used to manufacture copper from its ore its final purification is by electrolysis Figure 6 Slabs of impure copper blister copper together with thin sheets of pure copper metal or stainless steel or titanium are immersed in a solution of copper ll sulfate mol dm 3 and sulfuric acid 2 mol dm 3 The pure copper
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In the extraction of copper from its sulphide ore copper is obtained finally by oxidation of cuprous sulphide with C u 2 O C u 2 S 2 3 O 2 → C u 2 O S O 2 ↑ C u 2 S 2 C u 2 O → 6 C u I S O 2 ↑
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Given below are the steps for the extraction of copper from its ore Write the chemical equation of the reactions involved in each case i Roasting of copper I sulphide ii Reduction of copper I oxide from copper I sulphide iii Electrolytic refining Post Answer Answers 1 S Sumit Saini i ii iii At anode At cathode Similar Questions An Unbiased coin is tossed 4 times
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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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The extraction of aluminium is dealt with in a separate learn its within this topic Heating with Carbon monoxide Used for extracting iron from iron ore using the blast furnace Roasting in Air Used in extractingcopper from copper I sulphide copper pyrites The copper is extracted by roasting the ore in air
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Find the force acting on the electron if its velocity is directed towards the wire Give one difference each between diamagnetic and ferromagnetic substances Give one example of each
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The process of extracting metal ores buried deep underground is called Mining The metal ores are found in the earth s crust in varying abundance 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
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The average grade of the metallurgical chromite ore was pct Cr2O3 with 52 pct of the ore having a chromium to iron ratio of 3 1 or over pct having a ratio between 2 1 and 3 1 and pct having a ratio less than 2 1 Chemical grade chromite ore generally ranged from 40 to 46 pct Cr2O3 with a chromium to iron ratio of 1 to 2 1
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For example copper pyrite calamine etc Impurities in an ore are called gauge The removal of a gauge from the ore is called concentration ore Several steps are involved in the extraction of pure metal from ores Major steps are as follows Concentration of the ore Isolation of the metal from its concentrated ore Purification of the metal
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Extracting copper from its ores The method used to extract copper from its ores depends on the nature of the ore Sulfide ores such as chalcopyrite CuFeS 2 are converted to copper by a different method from silicate carbonate or sulfate ores Chalcopyrite also known as copper pyrites and similar sulfide ores are the commonest ores of
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The ability to extract copper from ore bodies was well developed by 3000 BCE and critical to the growing use of copper and copper alloys Lake Van in present day Armenia was the most likely source of copper ore for Mesopotamian metalsmiths who used the metal to produce pots trays saucers and drinking vessels
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Copper is a metal that is present low in the reactivity series It mainly occurs in nature in the form of sulphide ore which can be converted into the corresponding oxide simply by heating in the absence of air a process known as roasting The obtained oxide is then reduced with carbon or any other suitable reducing agent to obtain the metal
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2 CuO s C s → 2 Cu s CO2 g Extracting very reactive metals Ores of very reactive metals have to be melted and electrolysed with a direct current DC supply of electricity The
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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 Crashing and Grinding The ore is crushed then ground
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The method used to extract copper from its ores depends on the nature of Get Price Get Quote WhatsApp Copper 7 Stocks to Buy Amid Exploding Copper Prices Copper is one of the oldest metals known to humans March 2024 saw the cash price of copper hit a multiyear low of $4 617 per ton on the London Metal Exchange Since then along with many
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A maximum recovery of % Cu and % Co were achieved at 80ºC using 150 mM of citric acid The recovery of copper and cobalt from the oxidized ore using fungal metabolic acid was found to be
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A copper lead zinc ore dressing plant in Sweden with the daily output of 1000t copper content of % lead content of % and zinc content % Xinhai adopted copper lead mixed flotation Final copper concentrate contains copper % and lead % and the lead concentrate contains lead % and copper %
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Extracting a metal from its ore Copper tin lead and iron are more reactive and must be heated with carbon to extract the metals Aluminum calcium sodium and other active metals are extracted using electrolysis Copper can be extracted from its ores by reduction …
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Copper can also be obtained in a similar manner from its sulphide ore Cu2S Heat 2Cu2S 3O g > 2u2O s 2S2O g Heat 2Cu2O Cu2S > 6Cu s SO2 g Extracting Metals in the Middle of the Activity series Metals like iron zinc lead etc occur as sulphides or carbonates in nature First the ore is converted into its oxide form
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Leaching is the process to extract pure copper from a low grade ore Leaching is the process of extracting substances from a solid by dissolving them in a liquid in this process the ore is dissolved in liquid but not impurities Then the copper solution is reacted with iron to get pure copper reduction process Cu 2 H 2→Cu pure 2H
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This is scrubbed from the flue gases to make sulfuric acid for leaching copper from oxide ores Copper sulphate is soluble in water so acid will be saved in the leaching process if Hydrometallurgical copper recovery is the extraction and recovery of copper from ores using aqueous solutions Sulphide ores such as chalcopyrite are converted to copper by a different method from silicate carbonate
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copper pyrites derives its name from its power to effect the liquefaction of earthy substances Fluor spar is composed of calcium and fluorine if it be Fig 55 Furnace for roasting Copper Ores BB Working doors v Vault for receiving the roasted ore FIG 56 Furnace for roasting Copper Ores Section through the line x v of the plan fig
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Optimized leaching parameters yielded over 97% copper extraction from the ore The copper extraction reached its maximum when free acidity was about 10 g/L then slightly decreased and remained constant with further increase of free acidity Contrary to copper the iron leaching efficiency increased with increasing free acidity and attained its maximum level when the free acidity was
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The Extraction of Copper Copper is extracted from its ore by two principal methods Pyrometallurgical method Hydrometallurgical method Pyrometallurgical Method This technique is often used in the extraction of sulphide ores There are four main stages Mining and Milling The ore is crushed and ground into a powder usually containing less than 1% copper Minerals are concentrated into a
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Currently the most common source of copper ore is the mineral chalcopyrite CuFeS 2 which accounts for about 50% of copper focus of this article is on the process of copper extraction from chalcopyrite ore into pure metal Processes for other minerals are mentioned For economic and environmental reasons many of the byproducts of extraction are reclaimed
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The techniques for extraction of copper from oxidized ores are quite different from those employed for the sulfide ores The oxidized ores consisting of the silicates carbonates and sulfates are treated by several methods all involving some form of leaching of the crushed ore with sulfuric acid to produce impure solutions of copper sulfate Today more than 13% of all new copper is
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US1731699A US22140527A US1731699A US 1731699 A US1731699 A US 1731699A US 22140527 A US22140527 A US 22140527A US 1731699 A US1731699 A US 1731699A Authority US United States Prior art keywords mercury ores solution extraction roasting Prior art date 1926 09 24 Legal status The legal status is an assumption and is not a legal conclusion
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How is copper extracted from its sulphide ore Explain the various steps supported by chemical equations Draw labelled diagram for the electrolytic refining of copper Answer Sulphide ore of copper is heated in air 2Cu 2 S 3O 2 → 2Cu 2 O 2SO 2 2Cu 2 O Cu2S → 6Cu SO 2 Labelled diagram of electrolytic refining of copper
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