extraction of copper from roasted pyrite ore

extraction of copper from roasted pyrite ore

How Extraction of Copper from Copper Pyrites? - QS

2021-4-27  The principal ore of copper is copper pyrite and copper is extracted from this ore. Extraction of copper from copper pyrites involves the following steps – Crushing and concentration. The ore is crushed and then concentrated by froth floatation process. The ore obtained from mines are broken down into little piece by jaw crusher and then ...

More

Extraction of copper from copper pyrites (CuFeS2 ...

2021-4-23  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

More

METALLURGY OF COPPER-EXTRACTION OF COPPER

2012-7-24  Large amount of copper are obtained from copper pyrite (CuFeS2) by smelting. ... Following steps are involved in the extraction of copper. CONCENTRATION. ... The roasted ore is mixed with coke and silica (sand) SiO2 and is introduced in to a blast furnace. The hot air is blasted and FeO is converted in to ferrous silicate (FeSiO3).

More

EXTRACTION OF COPPER - University of Technology

2018-1-28  EXTRACTION OF COPPER IMPORTANT ORES OF COPPER Copper pyrite or chalcopyrite (CuFeS 2). Chalocite (Cu 2 S) or copper glance. Malachite green [CuCO 3.Cu(OH) 2]. Azurite blue [2CuCO 3.Cu(OH) 2]. Bornite (3Cu 2 S.Fe2S 3) or peacock ore. Melaconite (CuO) etc. EXTRACTION OF COPPER FROM SULPHIDE ORE Large amount of copper are obtained from copper ...

More

Copper is extracted from copper pyrites. After

Click here👆to get an answer to your question ️ Copper is extracted from copper pyrites. After roasting, the ore is mixed with silica and coke and then smelted in a blast furnace. The matte obtained from the blast furnace is charged into a silica lined converter. Some silica is also added and a hot air blast is thrown into the mixture to obtain blister copper which is purified by ...

More

Copper and Pyrite Separation by Selective and

2021-5-3  The ore from the fine ore bin, delivered at a uniform rate by a Adjustable Stroke Belt Ore Feeder, is ground to minus 65-mesh in a Ball Mill operating in closed circuit with a Spiral Classifier. Reagents are added to the ball mill-classifier circuit for proper depression of the pyrite during the flotation of the copper.

More

Extracting Pyrite From Ore - casalasonrisa

Sulphide Gold Recovery. Pre-concentration of coarse 350 – 500 micron sulphide-associated gold ore, using the InLine Pressure Jig, is required to reject gangue from the high value material.Extraction of Copper from Copper pyrite Grade 12 .The principal ore of copper is copper pyrite and copper is extracted from this ore.

More

Extraction of Copper and Zinc Chemistry, Class 12 ...

2020-5-15  The principal ore of zinc is zinc blende. Extraction: Zinc can be extracted from zinc blende by the following steps: 1) Concentration: The ore is concentrated by froth floatation process. 2) Roasting: Concentrated ore is roasted in the presence of excess of air at about 1200 K to convert zinc sulphide into zinc oxide. 2ZnS + 3O 2 ——> 2ZnO ...

More

Synchronous extraction of nickel and copper from a

2018-3-10  The ore samples were mixed evenly with ammonium sulfate according to different mole ratios varying from 1.4:1 to 2.4:1, and were roasted at 450 °C for 4 h in order to investigate the effect of the ammonium-to-ore mole ratio on the extractions of nickel, copper and iron.

More

COPPER EXTRACTION FROM COPPER SMELTER SLAG

2017-6-9  of copper, iron and zinc leaching are shown in Table 2. Copper leaching increases with time and it is the highest for 3 hours of roast-ing pyrite at the lowest weight of pyrite of 3g. Generally, copper leaching is low and it varies in the range of 10.49 to 25.73%. Re-garding to the iron leaching, it

More

How Extraction of Copper from Copper Pyrites? - QS

2021-4-27  The principal ore of copper is copper pyrite and copper is extracted from this ore. Extraction of copper from copper pyrites involves the following steps – Crushing and concentration. The ore is crushed and then concentrated by froth floatation process. The ore obtained from mines are broken down into little piece by jaw crusher and then ...

More

EXTRACTION OF COPPER - City Collegiate

2012-7-24  EXTRACTION OF COPPER. On industrial scale copper is extracted from its sulphide ore known as copper pyrite (CuFeS 2) by smelting method. STEPS OF EXTRACTION. For ... The concentrated ore is then roasted in the furnace in the presence of oxygen.

More

Copper is extracted from copper pyrites. After

Click here👆to get an answer to your question ️ Copper is extracted from copper pyrites. After roasting, the ore is mixed with silica and coke and then smelted in a blast furnace. The matte obtained from the blast furnace is charged into a silica lined converter. Some silica is also added and a hot air blast is thrown into the mixture to obtain blister copper which is purified by ...

More

Extraction from copper pyrites 1 Crushing the ore The

Extraction- from copper pyrites. 1. Crushing the ore - The ore is crushed to increase the surface area for the succeeding chemical reactions. - The ore is then concentrated. 2. Concentration of the ore. - The ore is concentrated by froth floatation. - The fine ore powder is mixed with water and oil, after which air is blown into the mixture, usually from below. 205

More

Copper and Cobalt Recovery from Pyrite Ashes of a ...

Whilst the mineralogy of roasted pyrite ash associated with iron or copper mining has been studied, as this is the main source of sulphur worldwide, the mineralogy, and more importantly, the ...

More

Questions about the extraction of Copper for Copper

2013-4-17  A-level physics tomorrow. Please help me with this question(s): Copper is extracted from its ore, copper pyrite. The ore is roasted in a limited supply of oxygen. The following equations describe the process: 1. 2CuFeS2 (s) + 4O2 (g) ---> CuS2 (s) + 3SO2 (g) + 2FeO (s) 2. Cu2S (s) + O2 (g) ---> 2Cu (s) + SO2 (g) a. (i) Calculate the number of moles of CuFeS2 in 200g. (ii) In the experiment 88g ...

More

In the extraction of copper from sulphide ore the

Roasted copper pyrite on smelting with sand produces FeSiO 3 as fusible slag and Cu 2 S as matte. For removing the gangue, FeS, silica present in the lining of the Bessemer converter, acts as a flux and forms slag (iron silicate) on reaction with FeO. FeS Gangue + 3O 2

More

Copper and Pyrite Separation by Selective and

2021-5-3  The ore from the fine ore bin, delivered at a uniform rate by a Adjustable Stroke Belt Ore Feeder, is ground to minus 65-mesh in a Ball Mill operating in closed circuit with a Spiral Classifier. Reagents are added to the ball mill-classifier circuit for proper depression of the pyrite during the flotation of the copper.

More

Synchronous extraction of nickel and copper from a

2018-3-10  The ore samples were mixed evenly with ammonium sulfate according to different mole ratios varying from 1.4:1 to 2.4:1, and were roasted at 450 °C for 4 h in order to investigate the effect of the ammonium-to-ore mole ratio on the extractions of nickel, copper and iron.

More

COPPER EXTRACTION FROM COPPER SMELTER SLAG

2017-6-9  of copper, iron and zinc leaching are shown in Table 2. Copper leaching increases with time and it is the highest for 3 hours of roast-ing pyrite at the lowest weight of pyrite of 3g. Generally, copper leaching is low and it varies in the range of 10.49 to 25.73%. Re-garding to the iron leaching, it

More

Questions about the extraction of Copper for Copper

2013-4-17  A-level physics tomorrow. Please help me with this question(s): Copper is extracted from its ore, copper pyrite. The ore is roasted in a limited supply of oxygen. The following equations describe the process: 1. 2CuFeS2 (s) + 4O2 (g) ---> CuS2 (s) + 3SO2 (g) + 2FeO (s) 2. Cu2S (s) + O2 (g) ---> 2Cu (s) + SO2 (g) a. (i) Calculate the number of moles of CuFeS2 in 200g. (ii) In the experiment 88g ...

More

Recovery of Copper from Copper Sulfide Concentrate by ...

2015-2-16  The extraction of copper from ore has commonly been performed using mainly pyro- ... Pyrite, sulfur, and sulfuric acid are the sulfate promoters normally used to produce the ... it is important that how much sulfur removed and remained in the roasted ore.

More

Copper and Cobalt Recovery from Pyrite Ashes of a ...

Whilst the mineralogy of roasted pyrite ash associated with iron or copper mining has been studied, as this is the main source of sulphur worldwide, the mineralogy, and more importantly, the ...

More

Manufacture process of copper - SlideShare

Discusses the extraction of copper from Copper pyrite ore. The basic 2 processes Welsh process and Manhe's process ... Smelting: a) The roasted ore is mixed with coke and silica (sand) and charged into the top of the blast furnace. b) Air is forced through pipes and reaction occurs leading to the formation of slag and a matte corresponding with ...

More

Extraction of Copper and Zinc Chemistry, Class 12 ...

2020-5-15  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

More

Copper (Extraction) Karachi Board Notes

2014-5-11  Blister copper is mainly extracted from sulphide ores (copper pyrite). The extraction of Blister Copper proceeds through following four steps. Step I - Concentration The sulphide ores are concentrated by any of the following methods. a. Gravity Separation The powdered ore is passed over a wheel so that it falls in two section due to difference ...

More

copper extraction and purification - chemguide

2015-7-26  Extracting copper from other ores. Copper can be extracted from non-sulphide 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 copper

More

Name the Sulphide Ore of Copper. Describe How Pure

2021-4-11  The sulphide ore of copper is copper pyrite (CuFeS 2). The extraction of pine copper from copper pyrite ore involves the following steps. 1. Crushing and grinding. 2. Concentration by the froth-floatation process to remove gangue particles. 3. Roasting in the presence of free supply of air or O 2 during roasting the reactions taking place are

More

Roasted copper pyrite on smelting with sand produces:

Click here👆to get an answer to your question ️ Roasted copper pyrite on smelting with sand produces:

More