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Copper Mining and Extraction Sulfide Ores

FeO(s) + SiO 2 (s)→ FeO SiO 2 (slag) This is very similar to the removal of impurities in the blast furnace The liquid left is a mixture of copper sulfides and iron sulfides It is called a matte Stage 5 Conversion of matte to copper blister The liquid matte is oxidised with air to form blister copper in a converter Get price

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Metal recovery from copper converter slag by

A study of the recovery of copper cobalt nickel and zinc from copper converter slag by roasting with ferric sulphate is reported Roasting of converter slag with ferric sulphate followed by leaching with water was carried out in order to bring the metal values into solution Get price

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Recovery of cobalt nickel and copper from slags using

Large quantities of valuable metals are present in the huge dumps that have built up over many years of operation of nickel and copper smelters Slags are sometimes treated by slow cooling milling and flotation This approach is satisfactory when the metals in Get price

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Copper Smelting Chemistry Tutorial

Any copper(I) oxide present will be converted into copper(I) sulfide during the smelting process because copper has a higher affinity for sulfur than it does for oxygen for example Cu 2 O + FeS → Cu 2 S + FeO Impurities form a slag which floats on the surface and is easily removed One of the reactions to remove iron impurities is shown below Get price

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Extraction of Copper from Copper Pyrite

Copper occurs both in native state as well as in combined state The chief ore of copper are Copper Pyrite (CuFeS2) Cuprite (Cu2O) Cupper Glance (Cu2S) Malachite [CuCO3 Cu(OH) 2] Extraction of copper Copper is extracted from is chief ore copper pyrite Get price

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extraction of copper from copper slag

Nov 19 2012Copper extraction techniques refers to the methods for obtaining copper from its ores The slag is discarded or reprocessed to recover any remaining copper Extraction of copper from copper pyrites (CuFeS2) | Mastering May 20 2012 gangue + Get price

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12 3 Primary Copper Smelting

Typical primary copper smelter process some of the impurities in the charge oxidize with the fluxes to form a slag on top of the molten bath which is periodically removed and discarded Copper matte remains in the furnace until tapped Matte ranges from 35 Get price

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Extraction Of Copper Application Of Metallurgy

The major steps in the extraction of copper are Copper in Chalcopyrite is reduced to copper sulfide Just like in Blast Furnaces calcium carbonate is added as a flux to create the slag Iron in Chalcopyrite is removed as Iron silicate slag Most of the sulfur in Chalcopyrite turns into Sulphur dioxide Get price

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Management of copper pyrometallurgical slags giving

The unit weight of copper slag is somewhat higher than that of conventional aggregate The absorption capacity of the material is typically very low Granulated copper slag is more porous and therefore has lower specific gravity and higher absorption capacity than air-cooled copper slag Get price

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Science Technical Projects Extraction of Copper

Extraction of Copper INTRODUCTION Copper is a metallic element of great technological and historical importance It is valued for its strength malleability ductility corrosion resistance and its ability to conduct electricity and heat Copper is fairly abundant and has been used by man since prehistoric times for a wide variety of purposes Get price

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Copper extraction

Copper extraction refers to the methods used to obtain copper from its ores The conversion of copper consists of a series of physical and electrochemical processes Methods have evolved and vary with country depending on the ore source local environmental regulations and other factors Get price

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in the extraction of copper from copper pyrites iron is

A blast of sand and hot air is blown into it During this process the remaining iron is removed in the form of slag while copper sulphide is reduced to metallic copper The metallic copper then melts and sinks to the bottom of the converter Get PriceExtraction in the extraction of copper from copper Get price

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extraction of copper from copper slag

Nov 19 2012Copper extraction techniques refers to the methods for obtaining copper from its ores The slag is discarded or reprocessed to recover any remaining copper Extraction of copper from copper pyrites (CuFeS2) | Mastering May 20 2012 gangue + Get price

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Copper Slag

Copper slag is a by-product created during the copper smelting and refining process Copper slag is a by-product obtained during the production of copper metal which can be used as pozzolana in the production of cementing materials Recycling copper slag to recover metals has been focused on copper recovery Get price

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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 Get price

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Extraction of copper from copper slag Mineralogical

Extraction of copper from copper slag Mineralogical insights physical beneficiation and bioleaching studies Physical beneficiation of the feed slag (~0 6% Cu) in a 2 L working volume flotation cell using sodium isopropyl xanthate resulted in Cu beneficiation up to 2–4% and final recovery within 42–46% Get price

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[PDF] Recovery of copper from the copper slag and copper

Copper extraction from the slag was typically found to be twice as high as that from the slag flotation tailings Hydrogen peroxide was determined to be the best lixiviant Thus copper and iron extractions were 63 4% and 48 6% respectively when leaching the slag with 3 M H2O2 after 120 minutes of reaction at room temperature Get price

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Copper Occurrence principles of extraction Properties

The chief ore of copper is copper pyrite It yields nearly 76% of the world production of copper Extraction from copper pyrites Extraction of copper from copper pyrites involves the following steps 1 Crushing and concentration The ore is crushed and then concentrated by froth-floatation process 2 RoastingGet price

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Utilisation of copper slag for cement manufacture

2 Using copper slag as a blending material for the manufacture of PSC 3 Understanding the leaching behaviour of copper slag and confirm the suitability of using the same in cement manufacturing It is also found that the utilisation of copper slag in manufacture of cement offers a significant saving in fuel Get price

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Recovery of iron from copper slag by deep reduction and

Nov 20 2013Recovery of iron from copper slag by deep reduction and magnetic beneficiation When coke powder with 86wt% fixed carbon was used as a reductant iron was successfully extracted from the copper slag Under the optimized condition of the coke powder content of 14wt% the calcium-to-silicon mass ratio (Ca/Si) of 0 2 the roasting temperature of 1300C Get price

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RECOVERY OF COPPER FROM COPPER SLAG AND COPPER

Copper extractions from the slag flotation tailings leached with hydrogen peroxide (Fig 6) were approximately half as high as those achieved when the slag was leached with hydrogen peroxide Thus a cooper extraction of 32 7% was obtained for the highest hydrogen peroxide concentration Get price

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Copper Metallurgy Overview

Metalcess offers comprehensive solution for your copper metallurgy project varying from copper ore copper scrap WEEE copper slag/dross or leaching residue etc From process design detail engineering and equipment supply of the production line Metalcess provides not only customer-tailed technology but also responsive service Get price

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Recovery of Copper and Cobalt from Concentrate and

The hydrometallurgical process involves sulfurizing the slag and then roasting the samples to form CuSO4 and CoSO4 The roasted samples were treated with water copper and cobalt were dissolved while any other impurities remained in the solid phase Very little iron was dissolved only 0 2–0 3% of Get price

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Management of copper pyrometallurgical slags giving

The unit weight of copper slag is somewhat higher than that of conventional aggregate The absorption capacity of the material is typically very low Granulated copper slag is more porous and therefore has lower specific gravity and higher absorption capacity than air-cooled copper slag Get price

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Copper Slag

Applications of Copper Slag include abrasive blasting building materials landfilling road construction abrasive tools cutting tools tiles and glass and roofing granules Replacing sand by Copper Slag in blasting applications will lead to safer and cleaner dust free Get price

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gold from copper slag

gold in copper slag justperuzzi copper slag from gold ore processing ugcnetnic copper processing The extraction of copper from its ores and the prepare the ore for blasting and the broken ore is hauled to the ore dressing plant by truck (at copper and other metals of value (such as gold and silver) the next step is to of the iron react with the flux and form a light fluid layerGet price

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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 Get price

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Extraction of iron from copper

Extraction of iron from copper-plant slag Subsequent increase in temperature to 1200C improves the extraction of iron In the indirect reduction of slag at temperatures above its melting point metallic iron is mainly concentrated at the outer surface of the product forming large inclusions that are easily extracted by magnetic separation Get price

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Extraction of copper from copper pyrites (CuFeS2

The sulphur dioxide escaping from the melt gets trapped in the cooler parts of the surface giving a blistery appearance for copper and hence it is called blister copper Blister copper is further refined by poling and electrolytic method as described in the refining of metals The air oxidises FeS to FeO which combine with silica forming a slag Get price

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Extraction of Non

Extraction of lead metal is less complicated than copper and the dominant method is through pyrometallurgy Metalcess can design production line of different capacity to suit customer requirement either lead concentrate or recycling project of spent lead acid battery lead containing slag and residue lead containing glass (CRT screen) etc Get price

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