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  • sulfide copper ore

    • Copper sulfide

      Copper sulfides describe a family of chemical compounds and minerals with the formula CuxSy. Both minerals and synthetic materials comprise these compounds. Some copper sulfides are economically important ores. Prominent copper sulfide minerals include Cu2S and CuS. In the mining industry, the minerals bornite or chalcopyrite, which consist of mixed copper iron sulfides, are often referred to as

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    • Copper Ore Types Sulfides vs. Oxides An Investor's

      Copper sulfide ores are typically the most profitable types of copper ores to mine. That is because they have high copper content, and the copper in them can more easily be separated from unwanted minerals. However, copper oxide ores are more abundant.

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    • Sulfide Minerals

      Galena forms in low and medium temperature ore veins, along with other sulfide minerals, carbonate minerals, and quartz. These can be found in igneous or sedimentary rocks. It often contains silver as an impurity, and silver is an important byproduct of the lead industry.

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    • Copper extraction

      OverviewFroth flotationHistoryConcentrationHydrometallurgical extractionSulfide smeltingConcentrate and copper marketingSee also

      The modern froth flotation process was independently invented the early 1900s in Australia by C.V Potter and around the same time by G. D. Delprat.
      All primary sulfide ores of copper sulfides, and most concentrates of secondary copper sulfides (being chalcocite), are subjected to smelting. Some vat leach or pressure leach processes exist to solubilise chalcocite concentrates and produce copper cathode from the resulting leachatesolution, but this is a m

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    • Sulfide Mining Overview Save Our Sky Blue Waters

      Sulfide mining (also known as metallic mining) refers to mining operations which remove metals, such as copper, nickel, platinum and others, from sulfur bearing ores.

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    • How is copper ore turned into copper? Quora

      Nov 27, 20190183;32;Depends on if the ore is an ore of copper oxide or copper sulfide. If an oxide ore the oxide can be leached with an acid usually sulfuric acid and the copper can be cemented. This is a process where the copper replaces another metal, usually iron.

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    • Sulfide Ore Processing 171; TCB Metals and Refining

      Processing Sulfide Ores. Historically, miners have shipped their sulfide concentrates to overseas smelters that have little to no regulations or emissions controls. However, with the implementation of the Mercury Export Ban of 2008 and the high costs of installing equipment to prepare sulfide ores for

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    • The Threat Save the Boundary Waters

      Sulfide ore copper mining is much more toxic than Minnesotas taconite mining. It produces giant waste piles that, when exposed to air and water, leach sulfuric acid, heavy metals and sulfates. Sulfide ore copper mines pollute groundwater, rivers and lakes.

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    • Sulfide Ores an overview ScienceDirect Topics

      Sulfide Ores. Sulphide ores were mostly created by (i) the intrusion of molten magma from the mantle into the crust of the earth and (ii) the formation of localized metal rich sulphide ore bodies by sequential solidification and/or hydrothermal leaching and precipitation.

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    • Heap Leaching Oxide and Sulfide Copper Ores

      In vat leaching, oxide or oxide sulfide ores are crushed and then leached in large vats with prepared leach solutions. Following a rinsing cycle, the leached residue is discarded or further treated by flotation to recover the sulfide copper minerals. Each of these methods has its advantages and disadvantages.

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    • Copper Mining and Processing Processing of Copper Ores

      B. Processing of Sulfide Ore Sulfide ores are generally processed using pyrometallurgy , the extraction and purification of metals by processes involving the application of heat. This process uses a series of physical steps and high temperatures to extract and purify copper from copper sulfide ores, in four basic steps 1) froth flotation, 2) thickening, 3) smelting, and 4) electrolysis.

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    • What is Sulfide Mining? Mining Action Group

      If sulfide ore or sulfide tailings are exposed to water and air during mining, a chemical reaction creates sulfuric acid basically battery acid. There has never been a sulfide mine that has not polluted nearby water resources. Pollution from sulfide mining is very expensive to fix, and a burden for taxpayers.

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    • Copper sulfide

      OverviewKnown copper sulfidesClasses of copper sulfidesOxidation states of copper and sulfurSee alsoExternal links

      Copper sulfides describe a family of chemical compounds and minerals with the formula CuxSy. Both minerals and synthetic materials comprise these compounds. Some copper sulfides are economically important ores.
      Prominent copper sulfide minerals include Cu2S (chalcocite) and CuS (covellite). In the mining industry, the minerals bornite or chalcopyrite, which consist of mixed copper iron sulfides, are often referred to as quot;

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    • Properties of Copper Ores University of Arizona

      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, and chrysocolla are a few examples of oxides ores. Chalcocite, bornite, idaite, covellite, and chalcopyrite are all examples of sulfide ores.

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    • Sulfide Mining Minnesota Center for Environmental

      Twin Metals Minnesota is a subsidiary of Chilean mining company Antofagasta proposing a sulfide (copper nickel) mine near Birch Lake, southeast of Ely. Twin Metals has not yet submitted a mine plan for environmental review, and two federal leases at the core of their proposed mine were issued more than fifty years ago before the passage of modern environmental laws like the Clean Water Act.

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    • Treatment of Mixed Sulfide Oxide Ores of Copper

      Many of our largest copper deposits contain both sulfide and oxidized copper minerals. The large porphyry mines, with a total copper content of from 1.3 to 2.0 per cent., send to their mills ore with an oxide content of from 0.2 to 0.4 per cent.

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    • The Threat of Sulfide Mining Friends of the Boundary

      What is copper sulfide mining? Sulfide mining, which is sometimes referred to as hard rock mining, is the process of extracting trace amounts of copper, nickel and other metals from sulfide ores. When sulfide ore comes into contact with water or oxygen, a chemical reaction occurs and produces sulfuric acid, which is the same as battery acid.

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    • Copper Mining and Extraction Sulfide Ores

      The main ores of copper are sulfides and oxides. From their chemical formulas you can calculate the percentage of copper in each mineral. However this is not the same as the percentage of copper in the ore as that also contains unwanted silicates and other

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    • Science Desk How Sulfide Ore Copper Mines Pollute Save

      May 08, 20150183;32;Sulfide ore copper mining is a risky type of mining that has never been done before in Minnesota. No matter the method, sulfide ore copper mines proposed near the Boundary Waters would extract trace amounts of metals from large volumes of rock. Rock is blasted from pit walls and sorted into metal bearing ore and waste rock.

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    • Copper Mining and Extraction Oxide Ores

      Copper is refined from ores in the ground, either through underground or open pit mines. 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 (1114), 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 Smelting Chemistry Tutorial

      A typical copper ore contains between 0.5% and 2.0% copper. A high grade ore produces a high yield of metal. A low grade order produces a low yield of metal. Copper can be extracted from sulfide ores (usually higher grade ores) by direct smelting. The earliest evidence of copper smelting occurs in Serbian artefacts dating from around 5000 BC.

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    • Copper sulfide ore Mineral information, data and localities.

      A copper ore where the primary copper ore minerals are sulfides. Classification of Copper sulfide ore Hide This section is currently hidden. Click the show button to view.

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    • copper extraction and purification

      Getting copper from chalcopyrite, CuFeS2 Chalcopyrite (also known as copper pyrites) and similar sulphide ores are the commonest ores of copper. The ores typically contain low percentages of copper and have to be concentrated by, for example, froth flotation before refining.

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    • Sulfide Mining Overview Save Our Sky Blue Waters

      Sulfide mining (also known as metallic mining) refers to mining operations which remove metals, such as copper, nickel, platinum and others, from sulfur bearing ores.

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    • Sulphide Ores Clariant

      Sulphide Ores Optimize your recovery and reagent consumption for sulfide ores with customized technical solutions. Iron Ore Iron ore beneficiation reagents deliver optimum cost performance. Emulsifiers for Explosives Demand your emulsifiers deliver the high performance you expect and the reliability you require in your emulsion explosives.

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    • (PDF) A Review of the Flotation of Copper Minerals

      Sulphide copper ores are considered easy to treat provided that t he main copper mineral is chalcopyrite [7]. However, in case the ore contains secondary copper minerals, such as chalcocite

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    • Copper Sulfide AMERICAN ELEMENTS

      Copper Sulfide CuS bulk amp; research qty manufacturer. Properties, SDS, Applications, Price. Free samples program. Term contracts amp; credit cards/PayPal accepted.

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    • Copper Ore Types Sulfides versus Oxides Nasdaq

      Sulfide copper ores are the most profitable ores because they have high copper content, and the copper can be more easily separated from the unwanted minerals. It is important to note that sulfide

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    • Treatment of Mixed Sulfide Oxide Ores of Copper

      Many of our largest copper deposits contain both sulfide and oxidized copper minerals. The large porphyry mines, with a total copper content of from 1.3 to 2.0 per cent., send to their mills ore with an oxide content of from 0.2 to 0.4 per cent.

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    • sulfide mineral Definition, Examples, Identification

      Sulfide minerals are the source of various precious metals, most notably gold, silver, and platinum. They also are the ore minerals of most metals used by industry, as for example antimony, bismuth, copper, lead, nickel, and zinc.

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    • Small Scale Treatment of PM Sulfide Ores Gold Refining

      Feb 15, 20200183;32;The ore has a 5 to 10 percent sulfide content, so I expect about 10 to 20 pounds of sulfide concentrate. Dealing with 10 to 20 pounds is a lot easier than 200 pounds. There will be some loss of values in this operation but I accept this because although the method is less than optimal,

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    • Science Desk How Sulfide Ore Copper Mines Pollute Save

      May 08, 20150183;32;When sulfide minerals in ore, tailings or waste rock are exposed to air and water, acid mine drainage develops. Oxidation and hydrolysis reactions turn otherwise benign minerals into toxic materials, including acid, metals (e.g., mercury, copper, nickel, lead

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    • Top 10 Reasons To Stop Twin Metals Sulfide Mining

      Whether the low grade sulfide ore found in northeastern Minnesota is mined or not will have no detectable effect on the availability of copper in the global market, which is where any copper mined in Minnesota would be headed. In either case, mining these days merely fills the gap between the metals we use and the amount we recycle.

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    • Copper sulfide

      Copper sulfides describe a family of chemical compounds and minerals with the formula Cu x S y.Both minerals and synthetic materials comprise these compounds. Some copper sulfides are economically important ores Prominent copper sulfide minerals include Cu 2 S and CuS ().In the mining industry, the minerals bornite or chalcopyrite, which consist of mixed copper iron sulfides, are often

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    • Copper Sulfide an overview ScienceDirect Topics

      Electrorefining of Copper. The common route for turning copper sulfide ores into metal is high temperature oxidation of sulfides to produce an impure liquid copper that is cast into slab like anodes. Principal impurities are iron and precious metals (gold and silver). The anodes are electrolytically refined in cells sketched in Figure 8.

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    • Mining Industry Copper Sulfide Ore and Flotation Process

      Jul 09, 20190183;32;In addition to copper minerals, iron sulfide can be recovered, and the main mineral of sulfur is pyrite. (3) Copper pyrite ore Except for the copper minerals, pyrite and magnetite are worth recovering. Many of the skarn type copper mines in China belong to this type. (4) Copper molybdenum ore Contains molybdenite and copper, some mine also can recover magnetite and pyrite.

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    • From Ore to Finished Product Copper

      The final step in processing sulfide ore copper from the smelter is to make high purity copper cathodes. 8. Copper Products amp; Many Uses Copper cathodes are pure copper produced from the

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