# matte in cupper e traction

###### Copper Extraction - W3spoint

Copper metal is extracted from molten matte by a process called bessemerization The matte is introduced into Bessemer converter which upholds by tuyers The air is blown through the molten matte A blast of hot air converts Cu 2 S into Cu 2 O which then reacts with remaining Cu 2 S to give molten copper with some impurity in the mixture

###### THE EFFECT OF COPPER CONTENT IN THE MATTE ON THE ,

copper content in the matte, distribution coefficient between slag and matte for Cu, Zn and Pb increases, for Ag and Se decreases, while for Ni, As and Sb has an insignificant change Au and Bi are almost entirely concentrated in the matte Key words: copper concentrates, smelting, L S/M Me, matte, slag #C o re sp nd ig au th : z vk [email protected] b J .

###### Copper Mining and Production Processes Explained

Processes: copper mining and production Copper is found in natural ore deposits around the world This page explains copper mining: the production route taken from ore-containing rock to a final product that is the highest-purity commercial metal in existence and used in a wide variety of applications essential to modern living

###### Why copper matte is put in silica lined converter ,

Dec 21, 2017· Copper matte contains Cu 2 S and FeS Copper matte is put in a silica-lined converter to remove the remaining FeO and FeS present in the matte as slag (FeSiO 3) Also, some silica is added to the silica-lined converter Then, a hot air blast is blown As a result, the remaining FeS and FeO are converted to iron silicate (FeSiO 3) and Cu 2 S is .

###### EXTRACTION OF COPPER - City Collegiate

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 more , Matte is converted into copper in a special furnace which is known as "Bessemer converter" When air is blown through the matte following reactions take place

###### Copper extraction - Hyperleap

Following is a list of minerals that serve as copper ores in the copper mining process: Most copper is mined or extracted as copper sulfides from large open pit mines in porphyry copper deposits that contain 04 to 10% copper It is used to extract many metals from their ores, including silver, iron, copper, and other base metals

###### Copper Mining and Extraction Sulfide Ores

The liquid left is a mixture of copper sulfides and iron sulfid 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 Blister copper from the smelter is poured into the anode casting moulds

###### Extraction of copper from copper pyrites (CuFeS2 ,

Bessemerisation in extraction of copper The molten matte (CU 2 S + FeS) is transferred to a Bessemer converter, a pear shaped vessel lined with MgO or SiO 2 and heated by hot air blown through tuyers and mounted in such a way that it can be filled in any direction It is mixed with some silica as flux and heated by passing hot air through tuyers

###### Extraction of Copper from Copper pyrite | Grade 12 Science ,

The lower end of blast furnace has two openings for slag and copper matte Fig: Blast Furnace for extraction of copper Bassemerisation The molten matte is mixed with little silica and charged into a Bessemer converter Lined internally by basic lining of CaO or MgO

###### Matte | metallurgy | Britannica

Matte, crude mixture of molten sulfides formed as an intermediate product of the smelting of sulfide ores of metals, especially copper, nickel, and leadInstead of being smelted directly to metal, copper ores are usually smelted to matte, preferably containing 40–45 percent copper along with iron and sulfur, which is then treated by converting in a Bessemer-type converter

###### In the extraction of copper, the copper matte is a mixture of:

The chemical formula of copper matte is C u 2 S + F e S It is a combination of copper sulphide and iron sulphide It is a phase in which extracted metal is converted into crude metal which is a final product 8 0 − 7 0 % of copper matte is used 8 0 − 9 5 % 5 − 1 7 % metallic copper, F e − C o alloy etc are used

###### Copper_extraction_techniques - chemeurope

Currently, the most common source of copper ore is the mineral chalcopyrite (CuFeS 2), which accounts for about 50% of copper productionThe 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

###### Nickel extraction from nickel matte - IOPscience

Oct 24, 2017· Nickel extraction from nickel matte R Subagja 1 Published under licence by IOP Publishing Ltd IOP Conference Series: Materials Science and Engineering, Volume 285, Mineral Processing and Technology International Conference 2017 23–24 October 2017, Jakarta, Indonesia

###### METALLURGY OF COPPER-EXTRACTION OF COPPER-BLISTER ,

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

###### Metallurgy of copper - SlideShare

Dec 06, 2017· Copper pyrite or chalcopyrite CuFeS2 2 Chalcocite or copper glance Cu2S 3 Malachite green [CuCO3Cu(OH)2] 4 Azurite blue [2CuCO3Cu(OH)2] 5 Bornite or Peacock ore [3Cu2SFe2S3] 6 Cuprite Cu2O 3 EXTRACTION OF COPPER • Copper is mainly extracted from its sulfide ores by smelting • Following steps are involved in the extraction of copper:

###### What is the role of silica in extraction of Cu from copper ,

the copper matte Though, the slag can be easily separated from the desired product Smelting is an exothermic reaction between copper pyrite ore, oxygen of air and fluxes (such as silica and limestone) at 1200 °C (above the melting point of copper, but below that of the iron and silica) to form a liquid called "copper matte"

###### Slags and mattes in Vanyukov's process for the extraction ,

The properties of liquid slag and matte were studied in the autogeneous extraction of copper which occurs in the Vanyukov’s furnace, applied in the Balkhash copper-smelting plant (Balkhash Group .

###### Hydromet Technology - Vale

This type of hydrometallurgical process is not entirely new Many operations, some of them in Canada, have used hydrometallurgical processes for years for extraction of zinc and copper from sulphide concentrat However, it was not until the 1990s that an acid-oxidative hydromet technology was developed to process nickel sulphide concentrat

###### Processes - extraction, mining, smelting, refining ,

Process Copper is found in natural ore deposits around the world This page explains the production route taken from extraction of ore-containing rock to a final product that is the highest-purity commercial metal in existence and used in a wide variety of applications essential to modern living

###### Copper extraction - Wikipedia

Aug 01, 2002· The properties of liquid slag and matte were studied in the autogeneous extraction of copper which occurs in the Vanyukov’s furnace, applied in the Balkhash copper-smelting plant (Balkhash Group of Mining and Metallurgical Enterprises, Kazakhstan) The density and surface tension of the melts were measured using the maximum-bubble pressure method, and the viscosity of the ,

###### In the extraction of copper, the copper matte is a mixture of

In the extraction of copper, 'matte' is formed which is a mixture of $\text{C}{{\text{u}}_{\text{2}}}\text{S,}$ $ie,$ copper (I) sulphide and FeS, ie, iron (II) sulphide Questions from J & K CET 2010 1 A system is changed from an initial state to a final state by a manner such that $\Delta H=q$ If the change from the initial state to .

###### Definitions - International Copper Study Group

Copper is recovered from its sulphide ores by a dry extraction process in which the powdered and concentrated ore is roasted where necessary to drive off excess sulphur and smelted in a furnace to produce copper matte Cement copper (precipitated copper) is a product obtained by precipitation (cementation), ie by adding iron to the aqueous .

###### What is copper matte? - Quora

[1] Copper Matte is the mixture of copper sulphide and some iron sulphide Matte is the phase where copper is extracted prior to the final reduction process converting it to crude copper The composition of copper matte is:- 80– 95 % coppers sul.

###### Copper Smelting Chemistry Tutorial - AUS-e-TUTE

This matte, containing about 40% copper, can then be fed to a converter Conversion of Matte into Blister Copper (impure copper) Air is blown through the molten matte which converts iron(II) sulfide to iron(II) oxide and sulfur dioxide 2FeS + 3O 2 → 2FeO + 2SO 2(g) Iron(II) oxide, FeO, slag is ,

###### Slags and mattes in vanyukov’s process for the extraction ,

Slags and matte in Vanyukov’s process, an autogeneous method of processing sulfide concentrates of nonferrous metals used in a specially designed furnace at the Balkhash copper-smelting plant (Kazakstan), have been characterized by scanning electron microscopy (SEM), energy-dispersive spectroscopy (EDS), and X-ray diffraction (XRD) The liquid matte was shown to have contained 36 ,

###### RECENT ADVANCES IN THE EXTRACTION OF COPPER, NICKEL ,

separation of iron and copper and extraction of copper are achieved in the converting step without external heat supply or reducing agent This feature makes the matte route of extraction of copper economical and universally accepted The copper produced in the converting stage is called blister copper due to its blistery appearance

###### Copper: Occurrence, principles of extraction, Properties ,

In India, copper is mainly found in Singhbhum (Bihar), Khetri and Darbia (Rajasthan) and in Tamilnadu Ores i) Copper pyrite, CuFeS 2 ii) Cuprite or Ruby copper, Cu 2 O iii) Copper glance, Cu 2 S The chief ore of copper is copper pyrite It yields nearly 76% of the world production of copper Extraction from copper pyrites

###### Electrolytic production of copper from chalcopyrite ,

Aug 01, 2020· Reductants common in metallurgical extraction, carbon or hydrogen, are not suitable to reduce sulfide ores because the stability of H 2 S and CS 2 are less than that of the sulfid Instead, oxygen can be used as a selective reactant to separate iron Upon melting, chalcopyrite forms a matte containing Cu 2 S and FeS

###### Extraction Of Copper | Mining, Concentration, Smelting ,

The copper extracted from this process is mixed with the slag and is called Matte Copper due to its texture and appearance This mainly consists of Cu2S which is reduced to pure metal by blasting Matte Copper with air $$Cu^{2}S + O^{2} → 2Cu + SO^{2}$$ The sulphur dioxide escapes the copper ,