• Why is the extraction of copper from pyrites more difficult

    Why is the extraction of copper from pyrites more difficult than that from its oxide ore through reduction? Answer The Gibbs free energy of formation ( f G ) of Cu 2 S is less than that of H 2 S and CS 2 .

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  • how is copper extracted from it39;s ore? | Yahoo Answers

    May 11, 2006 · Each stage needs different copper ore mining equipment. How can we get copper concentrate from copper ore? Flotation separation, Gravity separation, and magnetic separation are the mainly methods which are used in mineral ore dressing plant. In most copper ore mining processing plant, flotation method are widely used by copper mines owners.

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  • Copper Mining and Processing: Processing of Copper Ores

    On the other hand, while copper sulfide ores are less abundant, they contain higher amounts of copper. Although the processing costs are higher, ultimately more copper can be extracted. Since each mine site is unique in its mineral composition, concentration, and quantities, the most economical and profitable processing of ore must be

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  • Chemistry Books | Extraction of Copper From Copper Pyrites

    Jun 15, 2018 · Extraction of copper from copper pyrites involves the following steps. This tutorial is created based on plus two Chemistry Books. Crushing and concentration The ore is crushed and then

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  • Copper Mineral, Extraction of Zinc, Extraction of Copper from

    A copper-lead-zinc ore dressing plant in Sweden with the daily output of 1000t, copper content of 0.58%, lead content of 2.85% and zinc content 4.90%; Xinhai adopted copper-lead mixed flotation. Final copper concentrate contains copper 20.25% and lead 6.75%, and the lead concentrate contains lead 58.73% and copper 3.40%.

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  • Copper extraction - Wikipedia

    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.

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  • Copper Mineral, Extraction of Zinc, Extraction of Copper from

    A copper-lead-zinc ore dressing plant in Sweden with the daily output of 1000t, copper content of 0.58%, lead content of 2.85% and zinc content 4.90%; Xinhai adopted copper-lead mixed flotation. Final copper concentrate contains copper 20.25% and lead 6.75%, and the lead concentrate contains lead 58.73% and copper 3.40%.

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  • Mineral dressing (= Orebeneficiation)

    Mineral dressing (= Orebeneficiation) The first process most ores undergo after they leave the mine is mineral dressing (processing), also called ore preparation, milling, and ore dressing or ore beneficiation. Ore dressing is a process of mechanically separating the grains of ore minerals from the gangue minerals, to produce a concentrate

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  • Gold extraction - Wikipedia

    Gold extraction refers to the processes required to extract gold from its ores.This may require a combination of comminution, mineral processing, hydrometallurgical, and pyrometallurgical processes to be performed on the ore.

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  • given below are the steps for extraction of copper from its

    given below are the steps for extraction of copper from its ore write the reaction involved a roasting of copper i sulphide b reduction of copper i ox - Chemistry - TopperLearning.com | skorgfuoo

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  • Copper Mining and Processing: Processing of Copper Ores

    On the other hand, while copper sulfide ores are less abundant, they contain higher amounts of copper. Although the processing costs are higher, ultimately more copper can be extracted. Since each mine site is unique in its mineral composition, concentration, and quantities, the most economical and profitable processing of ore must be

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  • extraction of copper from its ore processing

    EXTRACTION OF COPPER FROM ITS ORES The W elsh . copper pyrites, derives its name from its power to effect the liquefaction of earthy substances. Fluor spar is composed of calcium and fluorine; if it be Fig. 55.Furnace for roasting Copper Ores. BB, Working doors. v, Vault for receiving the roasted ore. FIG. 56.Furnace for roasting Copper Ores.

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  • how is copper extracted from it39;s ore? | Yahoo Answers

    May 11, 2006 · Copper can be extracted from its ore by: 1. Traditional mining (a) underground - sinking a vertical shaft into the Earth to an appropriate depth and driving horizontal tunnels into the ore. (b) open pit - 90% of ore is mined by this method. Ores near the surface can be quarried after removal of the surface layers. 2. Leaching

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  • Describe The Extraction Of Copper From Its Ore - FTMLIE Heavy

    Describe The Extraction Of Copper From Its Ore. Extracting copper from other ores Copper can be extracted from nonsulphide 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 copperII sulphate solution

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  • mining, copper / zinc, roasting of zinc ore in the

    Download this stock image: mining, copper / zinc, roasting of zinc ore in the reverbatory, wood engraving, 19th century, 19th century, graphic, graphics, ore dressing

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  • Eliminating Copper from Gold Ore

    When reviewing Methods of Eliminating Copper from Gold Ores we see that several methods have been suggested to eliminate copper from ores prior to cyanidation. Preliminary extraction of the copper with sulphuric or sulphurous acids may be applicable to ores containing oxidized copper minerals such as malachite, azurite and chrysocolla but these acids have but little effect on sulphide copper

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  • Copper beneficiation process - Yantai Jinpeng Mining

    Copper ore divides into ore sulfide ,ore oxide and mixing ore according to its oxide rate . The main process for copper ore is flotation , for refractory mixed copper ore and refractory oxide ore , normally use hydrometallurgy process .It is a high technological enterprise that integrated research , manufacture, sales and service .

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  • how is copper extracted from it39;s ore? | Yahoo Answers

    May 11, 2006 · Each stage needs different copper ore mining equipment. How can we get copper concentrate from copper ore? Flotation separation, Gravity separation, and magnetic separation are the mainly methods which are used in mineral ore dressing plant. In most copper ore mining processing plant, flotation method are widely used by copper mines owners.

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  • Chapter 6 Copper Production Technology

    Chapter 6 Copper Production Technology The last boomin technological innovation for the copper industry occurred in the first two dec-ades of this century, whenopen pit mining, flo- tation concentration,and the reverberatory smelter were adapted to porphyry copper ores. With the exception of leaching-solvent extrac-

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  • The Extraction of Copper - Chemistry LibreTexts

    Extracting copper from its ores. The method used to extract copper from its ores depends on the nature of the ore. Sulfide ores such as chalcopyrite (92;(CuFeS_292;)) are converted to copper by a different method from silicate, carbonate or sulfate ores. Chalcopyrite (also known as copper pyrites) and similar sulfide ores are the commonest ores of

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  • Common amp; Basic Formulas for Mineral Processing Calculations

    Generally speaking, the purpose of ore concentration is to increase the value of an ore by recovering most of its valuable contents in one or more concentrated products. The simplest case may be represented by a low grade copper ore which in its natural state could not be economically shipped or smelted.

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  • How is copper extracted from its ore - Answers

    copper was one of the first metals to be extracted from its ore because it has a low melting point which makes it easy to extract Asked in Metal and Alloys How was copper first extracted from its

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  • Copper processing - Ores | Britannica

    Extraction and refining. The extraction of copper from ore is normally carried out in three major steps. The first step, mineral processing, is to liberate the copper minerals and remove waste constituentssuch as alumina, limestone, pyrite, and silicaso that the copper minerals and other nonferrous minerals of value are concentrated into a product containing between 20 and 30 percent copper.

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  • Copper Mining and Extraction Sulfide Ores

    Education Resources Copper Mining and Extraction: Sulfide Ores Its hard to imagine a world without copper. We rely on copper for power, lighting, heating, communications, water supply and transport.

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  • Extracting copper from its ore using carbon - YouTube

    Nov 16, 2015 · Copper is low down in the reactivity series. It is not very reactive. The more reactive a metal is, the more difficult it is to extract from its ore. Reactiv

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  • Dressing of the ore is an essential process in the extraction

    Dressing of the ore is an essential process in the extraction of metal from its ore.Give reason Get the answers you need, now!

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  • copper ore dressing plant - Popular Education

    Copper extraction techniques . Copper extraction techniques refers to the methods for obtaining copper from its ores. of the ore minerals to the advantage of the metallurgical treatment plant. . of the froth flotation proc

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  • Chemistry of Elements

    18.2.2 Concentration or Dressing of the Ore Generally, the ores are found mixed with earthy impurities like sand, clay, lime stone etc. These unwanted impurities in the ore are called gangue or matrix. The process of removal of gangue from powdered ore is called concentration or ore dressing. There are several methods for concentrating the ores.

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  • Copper Mineral, Extraction of Zinc, Extraction of Copper from

    A copper-lead-zinc ore dressing plant in Sweden with the daily output of 1000t, copper content of 0.58%, lead content of 2.85% and zinc content 4.90%; Xinhai adopted copper-lead mixed flotation. Final copper concentrate contains copper 20.25% and lead 6.75%, and the lead concentrate contains lead 58.73% and copper 3.40%.

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  • From Ore to Finished Product - Copper

    Copper - From Beginning to End. Copper is a major metal and an essential element used by man. It is found in ore deposits around the world. It is also the oldest metal known to man and was first discovered and used about 10,000 years ago. And as alloyed in bronze (copper-tin alloy) about 3000 BC, was the first engineering material known to man.

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