Copper Ore Processing Energy Used

  • Copper demand supply and associated energy use to 2050

    2016 07 01· On the other side the extraction and processing of copper ores are energy intensive which will lead to an increase in the global environmental change as a result of CO 2 and other emissions unless the energy demanded for copper is provided by renewable technologies It is also important to reduce the energy use in copper production either by increasing the recycling rate or by increasing

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  • Copper Mining and Extraction Sulfide Ores

    This is either sold for industrial use or used to extract oxide ores of copper by leaching Stage 4 Smelting with fluxes The calcine is heated to over 1200 °C with fluxes such as silica and limestone The calcine melts and reacts with the fluxes Some impurities form a slag such as 2 which floats on the surface of the liquid like oil on water and is easily removed Courtesy of

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  • Copper mining The main stages

    The main copper ores are chalcopyrite bornite malachite Grinding The ore is crushed then ground into powder Concentrating The ore is enriched using a process called froth flotation Unwanted material called gangue sinks to the bottom and is removed Roasting This is where the chemical reactions start The powdered enriched ore is heated in air between 500 °C and 700 °C to remove

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  • Copper production environmental impact

    • Recycling a tonne of copper uses 20% of the energy that would be used to mine and extract the same copper • The copper recycling process has much in common as that to extract it but requires fewer steps High purity copper is melted in a furnace and then reduced Low purity copper is refined through electroplating in sulfuric acid

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  • Explainer These six metals are key to a low carbon future

    2018 04 12· Global copper ore quality is declining over time for example meaning copper mining requires excavating twice as much ore as 10 years ago to yield the same amount of copper This means more mine waste and greenhouse gas emissions although research has shown a shift to other available technologies and more efficient processes could go some way to addressing this impact

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  • Green Energy Reality Check It s Not as Clean as You Think

    2020 07 09· Embodied energy use starts with the fuel used by giant mining machines such as the mpg Caterpillar 797F which can carry 400 tons of ore There are also energy costs for electricity at the mine site in remote areas often diesel powered to run machines that crush rocks as well as the energy costs in producing and using chemicals for refining For minerals with very low ore grades fuel

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  • Copper Production How Is Copper Made ThoughtCo

    2019 09 26· 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 and % copper

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  • Copper Production Processes Total Materia Article

    The old traditional process is based on roasting smelting in reverbatory furnaces or electric furnaces for more complex ores producing matte and converting for production of blister copper which is further refined to cathode copper This route for production of cathode copper requires large amounts of energy per ton of copper 30 40 million

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  • MINERAL AND ENERGY RESOURCES Earth Sci

    The copper concentration in copper ore deposits has shown changes throughout history From 1880 to about 1960 the grade of copper ore showed a steady decrease from about 3% to less than 1% mainly due to increased efficiency of mining From about 1960 to 1980 the grade increased to over 1% due to increasing costs of energy and an abundant supply produced by cheaper labor in other countries

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  • Energy and Environmental Profile of the Mining Industry 5

    Energy and Environmental Profile of the Mining Industry 5 Copper For nearly 5 000 years copper was the only metal known to man It remains one of the most used and reused of all metals The demand for copper is due to its good strength and fatigue resistance excellent electrical and thermal conductivity outstanding resistance to corrosion and ease of fabrication Copper offers

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  • Capabilities Metallurgist Mineral Processing Engineer

    Heap leaching is a common mineral processing technique used to extract precious metals Au and Ag copper uranium and other constituents First ore is stacked onto an impermeable plastic liner Then a solution containing reagents specific to the targeted constituent or constituents is dispersed using a drip or sprinkler system The solution percolates through the heap extracting

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  • Energy and materials flows in the copper industry

    Primary production uses about 170 x 10/sup 12/ Btu total energy annually about 100 x 10/sup 6/ Btu/ton pure copper produced from ore Mining and milling use about 60% of the total consumption because low grade ore % copper is now being mined Most copper is extracted by smelting sulfide ores with concomitant production of sulfur dioxide

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  • Copper Mining and Processing Processing Copper Ores

    Copper processing is a complicated process that begins with mining of the ore less than 1% copper and ends with sheets of % pure copper called cathodes which will ultimately be made into products for everyday 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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  • Energy and materials flows in the copper industry

    Primary production uses about 170 x 10/sup 12/ Btu total energy annually about 100 x 10/sup 6/ Btu/ton pure copper produced from ore Mining and milling use about 60% of the total consumption because low grade ore % copper is now being mined Most copper is extracted by smelting sulfide ores with concomitant production of sulfur dioxide

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  • Green Energy Reality Check It s Not as Clean as You Think

    2020 07 09· Embodied energy use starts with the fuel used by giant mining machines such as the mpg Caterpillar 797F which can carry 400 tons of ore There are also energy costs for electricity at the mine site in remote areas often diesel powered to run machines that crush rocks as well as the energy costs in producing and using chemicals for refining For minerals with very low ore grades fuel

    Get Price
  • Energy Efficiency Copper Hydrometallurgy

    Energy Consumption For Copper Extraction Process Route Total Energy Consumption2 kJ/lb % Reduction Crush heap leach SX EW Base case with alternative anodes with ferrous/ferric reaction 15 449 14 966 13 835 % % SAG mill ball mill float smelt refine Base case HPGR ball mill float smelt refine SAG mill ball mill float HT Concentrate Leach SAG mill ball mill float

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  • Energy and Environmental Profile of the Mining Industry 5

    Energy and Environmental Profile of the Mining Industry 5 Copper For nearly 5 000 years copper was the only metal known to man It remains one of the most used and reused of all metals The demand for copper is due to its good strength and fatigue resistance excellent electrical and thermal conductivity outstanding resistance to corrosion and ease of fabrication Copper offers

    Get Price
  • 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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  • How much energy does it take on average to produce 1

    Copper from sulfide ore 60 125MJ 16 600 to 34 700 watt hours Aluminum from a typical mix of 80% virgin and 20% recycled aluminum 219 MJ 60 800 watt hours Silicon from silica 230 235MJ 63 900 to 65 300 watt hours Nickel from ore concentrate 230 270MJ 63 900 to 75 000 watt hours

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  • Copper Smelting Process Furnaces Used By Products and

    2010 04 09· Modern copper smelters use processed copper ore fed into a flash furnace typically fired by oxygen which produces blister copper being further processed in a converter furnace Molten copper is poured from here into rectangular moulds the resulting ingots subjected to electrolysis producing a metal of % purity Copper can be recycled indefinitely without the base metal being compromised

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  • Energy Efficiency Copper Hydrometallurgy

    Energy Consumption For Copper Extraction Process Route Total Energy Consumption2 kJ/lb % Reduction Crush heap leach SX EW Base case with alternative anodes with ferrous/ferric reaction 15 449 14 966 13 835 % % SAG mill ball mill float smelt refine Base case HPGR ball mill float smelt refine SAG mill ball mill float HT Concentrate Leach SAG mill ball mill float

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  • Electrolytic Refining Metallurgist Mineral Processing

    2016 05 24· If an ore contains precious metals it is most unlikely that they will be recovered as for instance the dilute sulphuric acid used for leaching copper and zinc ores and calcines do not dissolve gold or silver The application of electro winning methods is therefore usually limited to ores which do not contain precious metals in sufficient amount to justify their recovery to light metal

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  • 2 Copper

    Underground mining is used when the copper ore is not near the earth s surface Miners dig a shaft into the ore deposit vertically or a horizontal tunnel or adit in order to do this Mining then follows the vein of ore and the underground mine develops In both mining techniques the mined ore must be removed from the mine and transported to a plant for processing and refining Trucks and

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  • Copper Mining and Production Processes Explained

    The copper is then recovered by electrolysis This process is known as SX EW solvent extraction/electrowinning Advantages of these processes are Much less energy is used than in traditional mining No waste gases are given off Low capital investment Ability to be operated economically on a small scale It can be used on ore with as little as % copper for this reason

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  • Energy Renewables about 60% of total copper use is for

    The primary use of copper in wind energy technologies is in the coil windings in the stator and rotor portions of the generator in the high voltage power cable conductors transformer coils and earthing Photovoltaics Copper forms part of the materials presently used for photovoltaic solar cells in the technology s cabling earthing inverter transformers and photovoltaic cell ribbons

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