extraction of copper ore

Why is the extraction of copper from pyrites more
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Hence the extraction of copper from its pyrite ore is difficult than from its oxide ore through reduction Previous Question Next Question Popular Questions of Class Chemistry Q -Give simple chemical tests to distinguish between the following pairs of compounds i Propanal and Propanone...
Copper mining and the copper extraction process explained
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Copper is also extracted from oxidised ores including copper silicates carbonates and sulphat Here the copper ores are crushed and ground as above but they are then leached with sulphuric acid to produce an impure copper sulphate solution The solution is purified using solvent extraction and electrode twinning...
The Extraction of Copper
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Aug 21 2020 0183 32 Extracting of Copper from Other Or Copper can be extracted from non-sulfide 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 sulfuric acid to produce a very dilute copper...
Extraction
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The finely crushed ore is concentrated by Froth EXTRACTION OF COPPER IMPORTANT ORES OF COPPER Copper pyrite or chalcopyrite CuFeS 2 Chalocite Cu 2 S or copper glance Malachite green CuCO 3Cu OH 2 Azurite blue 2CuCO 3Cu OH 2 Bornite 3Cu 2 SFe2S 3 or peacock ore Melaconite CuO etc EXTRACTION OF COPPER FROM SULPHIDE ORE...
Copper Mining Waste Wastes US EPA
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It briefly characterizes the geology of copper ores and the economics of the industry The document describes copper ore extraction and beneficiation operations with specific reference to the waste and materials associated with these operations and the potential environmental effects that may result from lead-zinc mining...
Copper Smelting Process
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Modern copper smelters use processed copper ore fed into a flash furnace typically fired by oxygen which produces blister copper being further processed in a converter furnace Molten copper is poured from here into rectangular moulds the resulting ingots subjected to electrolysis producing a metal of 999 purity Copper can be recycled indefinitely without the base metal being compromised...
GCSE CHEMISTRY
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Extraction of Metals Extraction of Copper Copper is sometimes found as native metal Copper ores include copper II oxide and copper II sulfide Copper II oxide can be reduced by reaction with carbon Some copper ores may contain only small amounts of copper These are called low grade ores and have less than 1 copper but they are still used because copper is so valuable...
Extractive Metallurgy of Copper
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The most common ore used in the copper extraction is Chalcopyrite CuFeS 2 also recognized as Copper Pyrites and other such sulfid The proportion of copper in the real ore is too limited for straightforward copper extraction to be feasible The concentration of ore is required and the Froth Flotation method is used for this process...
extraction of copper from ore
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Energy and Environmental Profile of the US Mining Industry 51 Process Overview 511 Copper Ore Mining Copper is commonly extracted from surface underground and increasingly from in situ Get Price Copper Process Plant Processing...
Extraction of Copper
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Extraction of Copper Copper pyrites is the main ore 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 or The extraction...
Extraction of copper from copper pyrites CuFeS2
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Copper is extracted from its principal ore copper pyrites CuFeS 2 The ore is concentrated by froth flotation process The concentrated ore is roasted in a reverberatory furnace when the following reactions occur 1 The volatiles like sulphur and arsenic escape as gases S O 2----->SO 2 4AS 3O 2----...
Extracting a metal from its ore
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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 One of the common copper ores malachite...
How Extraction of Copper from Copper Pyrites
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Sulphide ores such as chalcopyrite are converted to copper by a dissimilar method from silicate carbonate or sulphate or The principal ore of copper is copper pyrite and copper is extracted from this ore Extraction of copper from copper pyrites involves the...
From Ore to Finished Product
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Copper ore is extracted using two basic methods of mining - open pit or underground mining 3 Processing of Copper Ore The first step in processing the ore removed from the mine is to break the large rocks of ore into smaller piec This is accomplished by a variety of subsequent processing steps 4 Beneficiation of Copper Ore...
Copper production environmental impact
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Smelting and Extraction Sulfide Ore The dried copper concentrates are sent to the smelting operation where it is reduced and melted in several operations At the end of this smelting process the copper is about 99 pure Oxide Ore The copper-bearing solution is collected and pumped to the extraction plant where it is purified...
given below are the steps for extraction of copper from
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Given below are the steps for extraction of copper from its ore Write the reaction involved a Roasting of copper I sulphide b Reduction of copper I oxide with copper...
Hydrometallurgical method of extraction of copper from
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We claim 1 A method for extraction of copper from sulphide ores or concentrates by leaching the ore or concentrates by means of iron III chloride and copper II chloride containing leach solution characterized in that the leaching process is regulated in order to keep the red-ox potential between 430 mV and 460 mV whereby iron III chloride is reduced to iron II chloride while copper...
Innovations Introduction to Copper Mining Extraction
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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 to which surface-active agents have been added...
Extraction of Copper and Zinc Chemistry Class 12
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May 15 2020 0183 32 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...
A new way of extracting copper MIT News Massachusetts
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Jun 28 2017 0183 32 Most current copper extraction processes burn sulfide minerals in air which produces sulfur dioxide a harmful air pollutant that has to be captured and reprocessed but the new method produces elemental sulfur which can be safely reused for example in fertilizers The researchers also used electrolysis to produce rhenium and molybdenum...
Copper extraction
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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 The ore is treated with dilute sulfuric ac...
Extraction of Copper
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Jun 24 2015 0183 32 Class 12 Chemistry Processes of Isolation of Elements Extraction of Copper...
Extraction Of Copper Mining Concentration Smelting
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Jan 11 2018 0183 32 Copper Mining The commonest ore used in the extraction of copper is Chalcopyrite CuFeS 2 also known as Copper Pyrites and other such sulphid 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...
Copper mining The main stag
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Copper mines are only set up where there is more than 5kg of copper per tonne of rock 05 by mass Ideally the figure should be closer to 2 The flow chart shows you how copper is extracted from its ore and converted into pure metal...
Innovations Introduction to Copper Mining Extraction
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The principal 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...
Copper extraction by wet chemical method
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Jan 01 2018 0183 32 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...
Solvometallurgical process for extraction of copper from
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May 04 2020 0183 32 As the future copper requirements are much larger than what can be obtained through even perfect copper recycling from urban mines there will be a need for the primary mining of copper Unfortunately extraction of copper from sulphidic ores either by pyrometallurgy or hydrometallurgy is typically associated with a relatively large eco...
Copper Extraction from Sulfide Ores
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EXTRACTION OF COPPER FROM SULPHIDE ORES Copper is mostly extracted from the sulphide ore copper pyrites by means of the following two processes i-Smelting process ii-Hydrometallurgical process SMELTING PROCESS Modern copper metallurgy is based on the smelting process Following steps are involved i CONCENTRATION OF THE ORE The finely powdered ore is concentrated by...
How copper is made
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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...
The Extraction of Copper
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The Extraction of Copper - Chemistry LibreTexts...

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