copper mining and extraction sulfide ores answers

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Nickel processing Britannica

With nickel found in two radically different types of ore it is not surprising that the mining methods differ Sulfide deposits are usually mined by underground techniques in a manner similar to copper although some deposits have been mined using open pits in the early stages The mining of laterites is basically an earth moving operation

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Copper Mining Extraction Process Flow Chart

This flowchart made of machinery icons explains or expresses in simple but clear terms the step of the Copper Mining and Copper Extraction Process Starting from either open pit or underground mining and using a different relevant treatment method for oxide or sulphide copper mineral ore Having a quick look now at how porphyry ores are treated and the metals extracted There are two main

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How is sulfur extracted from its ores Quora

There are no or very little sulfur ores at least today The main source is the purification process of natural gas and oil the sulfur is converted into H2S and part of it is burned into SO2 which then react with H2S SO2 2 H2S → 3 S 2 H2

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Copper extraction Wikipedia

Copper Mining and Extraction Sulfide Ores

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Innovations in Copper Mining Extraction Producing

Bioleaching is the extraction of a metal from sulfide ores or concentrates using materials found native to the environment namely water air and microorganisms In other words bioleaching is the commercialization of the ability of certain bacteria and archaea found in nature to catalyze the oxidation of sulfide minerals

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Copper Mine Techniques Ores Mines Occurence Mining

Copper is extracted in large amounts from the Earth s crust by mining of sulphide ores and also oxide ores The procedure of copper processing involves mining and transporting Oxide ores are generally processed through hydrometallurgy heap leaching solvent extraction and electrowinning The sulfide ores are usually processed using the method of pyrometallurgy froth floatation thickening

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Copper Mining and Extraction Sulfide Ores

The smelter for sulfide ores produces sulfur dioxide gas This is scrubbed from the flue gases to make sulfuric acid for leaching copper from oxide ores Scrubbing sulfur dioxide also protects the environment FeO s SiO2 s → FeO SiO2 slag This is very similar to the removal of impurities in the blast furnace The liquid left is a

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How is the copper ore mined Answers

Copper is found alone in nature While copper can be found alone in nature it is usually mined as an ore that is a compound Copper sulfide copper oxide and copper carbonate are probably the most

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What is the best method for sulfide copper leaching

One of the important subject in copper sulfide leaching Ore Characterisation and related method Bacteria Heap Leaching and Oxidative bacterial heap leaching two methods that apply for low grade

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Copper Mining and Extraction Sulfide Ores Answers

Copper Mining 11 14 YEARS and Extraction Sulfide Ores CHEMISTRY Answers 1 Place these products in the extraction process in ascending order of copper content Matte Ore Cathode copper Blister Anode copper Copper concentrate Fire refined copper The correct order is Ore 0 25 to 0 5 copper Concentrate 30 copper Matte 50 70 copper

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Nickel processing Extraction and refining Britannica

Nickel processing Nickel processing Extraction and refining The extraction of nickel from ore follows much the same route as copper and indeed in a number of cases similar processes and equipment are used The major differences in equipment are the use of higher temperature refractories and the increased cooling required to accommodate the higher operating temperatures in nickel

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TENORM Copper Mining and Production Wastes Radiation

Mining and extraction of copper by surface or underground methods can concentrate and expose radionuclides in the waste rock and tailings tailingsThe remaining portion of a metal bearing ore after some or all of a metal such as uranium has been extracted Leaching and solvent extraction electrowinning processes as well as the practice of

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Copper mining in the United States Wikipedia

Copper mining in the United States has been a major industry since the rise of the northern Michigan copper district in the 1840s In 2017 the United States produced 1 27 million metric tonnes of copper worth 8 billion making it the world s fourth largest copper producer after Chile China and Peru Copper was produced from 23 mines in the US Top copper producing states in 2014 were in

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copper extraction and purification chemguide

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 II sulphate solution

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Copper Mining and Extraction Sulfide Ores Answers

This page answers questions posed on a KS3 education resource looking at copper mining extraction and pyro processing of sulfide ores

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Copper production environmental impact

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

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Copper

Oxide copper ores will go through crushing and screening but then will be sent through the sequence of leaching extraction different form than the first extraction in discovery and electrowinning Meanwhile sulfide copper ores require crushing screening grinding beneficiation concentration then smelting

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Copper processing Roasting smelting and converting

Copper processing Copper processing Roasting smelting and converting Once a concentrate has been produced containing copper and other metals of value such as gold and silver the next step is to remove impurity elements In older processes the concentrate containing between 5 and 10 percent water is first roasted in a cylindrical refractory lined furnace of either the hearth or

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extraction of copper by mining

Copper Mining and Extraction Oxide Ores Most of the copper ores mined today are oxide or sulfide ores Extraction of sulfide ores is covered in more detail in Copper Mining and Extraction Sulfide Ores 11–14 but is introduced here because an important by product of this process is used for the extraction of oxide ores

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Copper Mining and Processing Resources and Glossary

For copper sulfide ore electrolysis is the final stage in the process of pyrometallurgy in which anode copper slabs are hung in a large tank full of a copper based electrolyte solution and an electric current is applied resulting in the plating of copper onto 99 9 pure copper cathodes

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Innovations Introduction to Copper Mining Extraction

Copper processing is a complicated process that begins with mining of the ore less than 1 copper and ends with sheets of 99 99 pure copper called cathodes which will ultimately be made into products for everyday use The most common types of ore copper oxide and copper sulfide undergo two different processes hydrometallurgy and pyrometallurgy respectively due to the different

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Treatment of Mixed Sulfide Oxide Ores of Copper

The oxide orebodies in which the copper is present about half as sulfide and half as oxidized minerals and where the recovery to be expected is 25 or 30 lb per ton of ore might well be treated first by the method used at New Cornelia to recover the oxide copper then reground and sent through the regular flotation operation

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What are the two forms of copper ore Answers

It depends upon nature of ore the most common ore of copper is Copper pyrite CuFeS2 the extraction of copper from this ore involves the following steps 1 crushing 2 grinding 3 concentration of

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Sulfide Ores an overview ScienceDirect Topics

Most of the sulfide ores are normally concentrated and roasted before they can be reduced There are several pathways for the reduction of sulfides The copper making process illustrates well this point In some cases copper extraction can be divided into three steps i roasting which can be optional for some copper making routes ii

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Properties of Copper Ores University of Arizona

Properties of Copper Ores The Problem Minerals from which copper can be extracted to make money are called copper ores There are several copper ores but they all fall into two main categories oxide ores and sulfide ores Oxide ores contain oxygen Sulfide ores contain sulfur Azurite malachite

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How is copper obtained from its sulphide ore What is the

Hari om you are asking a question as to How is copper obtained from its sulphide ore What is the equation of this reaction Hari om Hari om ANSWER Excerpts COPPER MINING AND EXTRACTION SULFIDE ORES It s hard to imagine a world wit

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Extraction Of Copper Mining Concentration Smelting

Copper Mining The commonest ore used in the extraction of copper is Chalcopyrite CuFeS 2 also known as Copper Pyrites and other such sulfides 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 Ore

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