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e traction of copper from copper slag

Extraction of copper from copper slag: Mineralogical ...

2015-02-07  Point-to-point mineral chemistry of the copper slag is discussed in detail to give better insight into the association of copper in slag. Characterization studies of the representative sample revealed the presence of fayalite and magnetite along with metallic copper disseminated within the iron and silicate phases.

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Extraction Of Copper Mining, Concentration, Smelting ...

2018-01-11  The major steps in the extraction of copper are Copper in Chalcopyrite is reduced to copper sulphide. 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.

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RECOVERY OF COPPER FROM COPPER SLAG AND COPPER SLAG ...

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 H 2 O 2, after 120 minutes of reaction at room temperature. Copper dissolution was generally found to be the dominant ...

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COPPER EXTRACTION FROM COPPER SMELTER SLAG WITH

This work presents the study of copper extraction from smelter slag, which is subjected to sulphating. Sulphating of slag was performed by pyrite concentrate or flotation tailings at temperatures from 500 to 650°C, and the resulting calcine was leached with water. The results showed that maximum copper leaching (70-73%) is obtained from calcine, obtained by two - and three hour sulphating at ...

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Recovery of copper from copper slag and copper slag ...

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...

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The slag obtained during the extraction of copper from ...

The slag obtained during the extraction of copper from copper pyrites is composed of F eS iO3 F eO+Acidic F luxS iO2 → SlagF eS iO3 How satisfied are you with the answer?

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Extraction of copper from copper slag: Mineralogical ...

Point-to-point mineral chemistry of the copper slag is discussed in detail to give better insight into the association of copper in slag. Characterization studies of the representative sample revealed the presence of fayalite and magnetite along with metallic copper

More

RECOVERY OF COPPER FROM COPPER SLAG AND COPPER SLAG ...

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 H 2 O 2, after 120 minutes of reaction at room temperature. Copper dissolution was generally found to be the dominant ...

More

COPPER EXTRACTION FROM COPPER SMELTER SLAG WITH

This work presents the study of copper extraction from smelter slag, which is subjected to sulphating. Sulphating of slag was performed by pyrite concentrate or flotation tailings at temperatures from 500 to 650°C, and the resulting calcine was leached with water. The results showed that maximum copper leaching (70-73%) is obtained from calcine, obtained by two - and three hour sulphating at ...

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Recovery of Copper from Reverberatory Copper Slag and ...

problems during filtration, can prejudice the metal extraction and may form crud during solution purification. It is very important that the silica gel problem is managed because the residue must contain a higher content of amorphous silica which is a valuable additive in Portland cement manufacturing. Copper slag is +2a form of olivine, a magnesium, iron and silicate mineral with the formula ...

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Extraction of copper from copper pyrites (CuFeS2 ...

Smelting in extraction of copper The roasted ore mixed with silica as flux is heated in a blast furnace by a blast of hot air. Most of the FeO is removed as a slag and a molten mixture of Cu 2 S and FeS called matte, get collected in the hearth of the furnace. FeO + SiO 2 -----------> FeSiO 3

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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, CuFeS2

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In the extraction of copper, the slag formed in the blast ...

In the extraction of copper, the slag formed in the blast furnace is: A. C a S i O 3 B. F e S i O 3 C. C a 3 (P O 4 ) 2 D. M n S i O 3 Medium. Answer. Copper ores contain iron as the main impurity. Iron react with silica and is removed as slag. Therefore, the slag formed in the blast furnace is F e S i O 3 . The reaction that takes place in the blast furnace is as follows: F e O + S i O 2 ...

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What is a Copper Slag? (with pictures) - wiseGEEK

2021-01-28  Copper slag is a by-product created during the extraction of copper from copper ore. Copper slag has also gained popularity in the building industry for use as a fill material. Unlike many other fill materials, it poses relatively little threat to the environment.

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Base metals recovery from copper smelter slag by oxidising ...

Silica gel-free solutions containing copper, cobalt and zinc were produced, so that pulp filtration could be easily carried out. The dissolved base metals were successfully extracted from solution by solvent extraction using kerosene Shellsol D70 as diluent. Copper was extracted with LIX 984 and stripped with sulphuric acid solution.

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COPPER EXTRACTION FROM COPPER SMELTER SLAG WITH

This work presents the study of copper extraction from smelter slag, which is subjected to sulphating. Sulphating of slag was performed by pyrite concentrate or flotation tailings at temperatures from 500 to 650°C, and the resulting calcine was leached with water. The results showed that maximum copper leaching (70-73%) is obtained from calcine, obtained by two - and three hour sulphating at ...

More

Recovery of Copper from Reverberatory Copper Slag and ...

problems during filtration, can prejudice the metal extraction and may form crud during solution purification. It is very important that the silica gel problem is managed because the residue must contain a higher content of amorphous silica which is a valuable additive in Portland cement manufacturing. Copper slag is +2a form of olivine, a magnesium, iron and silicate mineral with the formula ...

More

2-Recovery of Copper and Cobalt from Copper Slags as Selective

extracted in 2 h of roasting at 150 °C and 3:1 acid/slag ratio. A method was developed [11] to obtain copper and cobalt from oxidized copper ore and converter slag. This study deals with the issues related to the recovery of Cu and Co from copper slag obtained from Kastamonu Kure region. Mixtures of copper slag,

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METALLURGY OF COPPER-EXTRACTION OF COPPER-BLISTER COPPER

FeSiO3 (slag) floats over the molten matte of copper. BESSEMERIZATION : Copper metal is extracted from molten matte through bessemerization . The matte is introduced in to Bessemer converter which uphold by tuyers. The air is blown through the molten matte. Blast of air converts Cu2S partly into Cu2O which reacts with remaining Cu2S to give molten copper. 2Cu2S + 3O2 è 2Cu2O + 2SO2 2Cu2O ...

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A Review on Utilization of Waste Material “Copper Slag” in ...

Copper slag is a waste material during extraction of copper from high concentrate copper ore by floatation and filtration processes. At present ,the accumulated fine copper slag is about 3 lac metric tons (MT),while its annual production is about 2.5 lac tons. Copper slag is a by-product obtained during the matte smelting and refining of copper ...

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Base metals recovery from copper smelter slag by oxidising ...

Silica gel-free solutions containing copper, cobalt and zinc were produced, so that pulp filtration could be easily carried out. The dissolved base metals were successfully extracted from solution by solvent extraction using kerosene Shellsol D70 as diluent. Copper was extracted with LIX 984 and stripped with sulphuric acid solution.

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Copper Slag - an overview ScienceDirect Topics

7.3.2 Copper slag Copper slag, or fayalite slag, is a by-product obtained during the matte smelting, converting and refining of copper (Fig. 7.11). 54,59 It has been estimated that for every tonne of copper produced, about 2.2 tonnes of slag is generated, 60 as a consequence of the relatively low grades of copper concentrates now available.

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Copper Mining and Extraction Sulfide Ores

The blister copper produced by this process is 99% pure copper. The name ‘blister’ copper comes from the fact that this final process produces bubbles of sulfur dioxide on the surface of the copper. The blister copper is cast into anodes ready for electrolytic refining. The anode casting turntable moves slowly round.

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PHYSICOCHEMICAL CHARACTERIZATION OF COPPER SLAG

copper, gold, nickel, cobalt and PGM’s [10, 11]. 3. Non Ferrous slags 3.1 Physico chemical antecedents Figure 2 explains the behaviour of the FeO-Fe 2 O 3-SiO 2 ternary system, which best represents acid slag associated to copper extraction. It is possible to appreciate a

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“Physicochemical characterization of copper slag and ...

slag, and this constitutes one of the main by-products of the metal extraction industry [2]. The average composition of primary copper slag corresponds to 3040 % iron, 35– -40% silica, less than 10 % of alumina and calcium oxide and copper content is around 1%Cu, similar to the ore mined. Cleaning of the primary slag is often economically ...

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METALLURGY OF COPPER-EXTRACTION OF COPPER-BLISTER COPPER

FeSiO3 (slag) floats over the molten matte of copper. BESSEMERIZATION : Copper metal is extracted from molten matte through bessemerization . The matte is introduced in to Bessemer converter which uphold by tuyers. The air is blown through the molten matte. Blast of air converts Cu2S partly into Cu2O which reacts with remaining Cu2S to give molten copper. 2Cu2S + 3O2 è 2Cu2O + 2SO2 2Cu2O ...

More

2-Recovery of Copper and Cobalt from Copper Slags as Selective

extracted in 2 h of roasting at 150 °C and 3:1 acid/slag ratio. A method was developed [11] to obtain copper and cobalt from oxidized copper ore and converter slag. This study deals with the issues related to the recovery of Cu and Co from copper slag obtained from Kastamonu Kure region. Mixtures of copper slag,

More

Copper Mining and Extraction Sulfide Ores

The blister copper produced by this process is 99% pure copper. The name ‘blister’ copper comes from the fact that this final process produces bubbles of sulfur dioxide on the surface of the copper. The blister copper is cast into anodes ready for electrolytic refining. The anode casting turntable moves slowly round.

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(PDF) Base metals recovery from copper smelter slag by ...

removal. A copper smelter slag from Lubumbashi, Democratic Republic of Congo, containing 1.4% Cu, 0.7% Co, 8.9% Zn and 20.9% Fe(II), has been used in this study. The leaching tests have been carried out at normal pressure on ground slag samples

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“Physicochemical characterization of copper slag and ...

slag, and this constitutes one of the main by-products of the metal extraction industry [2]. The average composition of primary copper slag corresponds to 3040 % iron, 35– -40% silica, less than 10 % of alumina and calcium oxide and copper content is around 1%Cu, similar to the ore mined. Cleaning of the primary slag is often economically ...

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Ammonia leaching of slag from direct-to-blister copper ...

Smelting of copper concentrates in a flash furnace directly into a copper blister results in the production of slag with high copper and lead content. The recovery of these metals is carried out in an electric furnace, from which copper–lead–iron metallic alloy is then processed in a converter furnace.

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Smelting - Wikipedia

Smelting is a process of applying heat to ore in order to extract a base metal. It is a form of extractive metallurgy.It is used to extract many metals from their ores, including silver, iron, copper, and other base metals.Smelting uses heat and a chemical reducing agent to decompose the ore, driving off other elements as gases or slag and leaving the metal base behind.

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Why the Extraction of Copper from Chalcopyrite is so ...

Cu 2 O is formed CuSiO3 slag by reacting with silica (SiO 2), so wastage of Copper (Cu) occurs. Finally, the whole process becomes very lengthy. Chalcopyrite (also known as copper pyrites) and similar sulphide ores are the commonest ores of copper.

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OMAN ABRASIVES LLC

Copper slag is generated out of copper concentrate while extracting copper in the copper smelting units. It is composed of ferrosilicate material and oxide when the slag is quenched in the cold water. This process makes the slag into a granule form resulting coarser and angular particles. Where is it used?

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What Is Copper Smelting? (with pictures)

2021-02-23  Matte is then poured into a converter where it reacts with air, lime, and silica to separate the copper from iron slag. The resulting copper from this step is known as blister copper. Blister copper undergoes further firing and purification to remove any remaining impurities.

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