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production of copper from sulfide ores

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. For example: FeO(s) + SiO 2 (s)→ FeO.SiO 2 (slag) This is

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Copper Extraction from Sulfide Ores Latest Contents

HYDROMETALLURGY OF COPPER This process is used for the extraction of copper from low grade sulfide ore. In this process, the crushed and ground ore in bulk (about 100,000 tons) is exposed to air and water in big tanks. The air in the presence of water gradually oxidizes copper and iron sulphides to

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Copper Production: How Is Copper Made?

Sep 26, 2019· Copper processing is a complex process that involves many steps as the manufacturer processes the ore from its raw, mined state into a purified form for use in many industries. Copper is typically extracted from oxide and sulfide ores that contain between 0.5 and 2.0% copper.

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Sulfide Ores an overview ScienceDirect Topics

If sulfide ores containing iron and copper are to be smelted, an understanding of both the iron and the copper systems is needed. Again, as in Figure 2.1.3 for the Cu–S–O system, the calculations are limited to oxidation by industrial oxygen so that the pressure of SO 2 will be about 1 atm., except where oxygen pressure is appreciable near

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Science Desk: How Sulfide-Ore Copper Mines Pollute Save

May 08, 2015· The sulfide-ore copper mining industry has a disastrous track record. A peer-reviewed report prepared by Earthworks studied fourteen sulfide-ore copper mines representing 89% of current U.S. copper production. Of those fourteen mines, all had experienced some sort of pipeline spill or other accidental release.

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In the production of copper from ore containing copper(II

Apr 21, 2020· the ore is first roasted to change it to the oxide according to the following equation: 2CuS + 3O2 = 2CuO + 2SO2 A. If 100 g of CuS and 56 g of O2 are available, which reactant is limiting? B. What mass of CuO can be formed from the reaction of 18.7 g of CuS and 12.0 g of O2?

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Copper production & environmental impact

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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4. Beneficiation of Copper Ore

The slurry, when agitated causes the copper sulfide minerals to float at which point they are skimmed off the surface and eventually dried. The dried material called concentrate is then sent to the smelter. Oxide ores (and certain sulfide ores) are placed onto a leach pad and saturated with weak acid solutions that dissolve the copper mineral

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Copper Extraction from Sulfide Ores Latest Contents

HYDROMETALLURGY OF COPPER This process is used for the extraction of copper from low grade sulfide ore. In this process, the crushed and ground ore in bulk (about 100,000 tons) is exposed to air and water in big tanks. The air in the presence of water gradually oxidizes copper and iron sulphides to

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EXTRACTING METALS FROM SULFIDE ORES

Electrorefining is the final step in the smelting process for the recovery of copper from sulfide ores, and this process accounted for nearly 80% of the world copper production of 16 million tones in 2009.

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Mining Industry Copper Sulfide Ore and Flotation Process

1 Types of copper sulfide ore (1) Single copper mineral Its ore characteristic is relatively simple, and the only useful component that can be recycled is copper. The gangue minerals are mainly quartz, carbonate and silicate. (2) Copper-sulfur ore Called copper-bearing pyrite. In addition to copper minerals, iron sulfide can be recovered, and the main mineral of sulfur is pyrite.

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Science Desk: How Sulfide-Ore Copper Mines Pollute Save

May 08, 2015· The sulfide-ore copper mining industry has a disastrous track record. A peer-reviewed report prepared by Earthworks studied fourteen sulfide-ore copper mines representing 89% of current U.S. copper production. Of those fourteen mines, all had experienced some sort of pipeline spill or other accidental release.

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Coarse-particle flotation applied to copper sulfide ores

for copper sulfide ores is around 4. For example, if you had a marginal mineral with a head grade in the coarse fraction of 0.25% Cu, the coarse pre-concentrate would have a grade of around 1% Cu. This pre-concentrate will need to be dewatered, and then go to coarse regrinding for

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

Nov 10, 2020· Read on for an overview of copper oxide ores and copper sulfide ores, with a focus on how they’re processed. For investors interested in copper production, having a good handle on this

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