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energy used in crushing copper ores

Copper - Department of Energy

It is also used in alloys such as brass and bronze, alloy castings, and electroplated ... reactions to extract copper from its ores and concentrates. Generally, these .... Energy and Environmental Profile of the U.S. Mining Industry. Crushing.

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efficiency, economics, energy and emissions – emerging ... - CEEC

is used to crush and grind non-ferrous ores. Of this, 33 ... A2: Copper and gold miners/producers are very energy intensive as far as commodities are concerned.

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Energy Use in the Copper Industry - Princeton University

In-pit crushing and conveying can eliminate the need for .... eluding the type and amount of energy used, the .... ing 1 ton of copper ore requires over 200 billion.

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Proportion of Energy Attributable to Comminution - CEEC

For instance, the comminution energy for copper appears to ... Julius Kruttschnitt Mineral Research Centre, Sustainable Minerals Institute, The University of ... because a substantial proportion of energy used on a mine is in the form of transportation fuel ... grinding and crushing were found to account for 44 per cent.

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Copper extraction techniques

Copper extraction techniques refers to the methods for obtaining copper from its ores. ... The copper ore is crushed and ground to a size such that an acceptably high ... In general, froth flotation...

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Energy Expenditures Associated with the Production and Recycle of ...

May 26, 1971 ... 7.2 Energy Requirements for Copper Production from zenith Ores 30. 7.3 Recovery of ... ployed, energy consumption in their processing can increase to as much as ..... The ore is initially crushed to about 2 in. in size. If the.

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COPPER Copper production

Beneficiation by froth flotation of ore to give copper concentrate ... Typical equipment for crushing to about 20 cm are gyratory and cone crushers ..... primary copper production the overall energy consumption per tonne of copper is about 45 GJ...

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