Compare The Cost And Energy Expenditure Involved In The . cost e penditure in extracting aluminium from its oreYouTube. 24 Dec 2013 Analyse information to compare the cost and energy expenditure involved in the extraction of aluminium from its ore and the recycling of . Read more. Chat Online; GCSE CHEMISTRYExtraction of AluminiumEnergyCost

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The furnace energy efficiency was calculated as 18.1% by using the amount of heat that is given to the aluminum and the total heat of the fuel ().Meanwhile, international studies report that the efficiency of conventional reverberatory furnaces is between 20 and 25%, .In Table 3, it is also observed that the main source of energy losses is the sensible heat in the flue gas which was 46.2% (2 ...

Sustainability: The Aluminium Way533 Кб. Recycling aluminium uses only 5% of the energy – and produces only 5% ofThe primary energy expenditure amounts typically to 14.2 kilowatt hour per kilogram of aluminium.As energy costs are a major part of overall production costs, improved energy efciency is essential for the aluminium...

Energy Use in Metal ProductionPublications. energy in aluminium produced using electricity that is coal-based natural gas-based and nuclear energy-based is approximately 22.4 13.3 and 9.9 kg CO 2 -e/kg Al respectively. The energy required to recycle metals is a relatively small fraction of the energy required to. Get Price.

According to Alcoa, the world's largest producer of aluminium, the best smelters use about 13 kilowatt hours ( 46.8 megajoules) of electrical energy to produce one kilogram of aluminium; the worldwide average is closer to 15 kWh/kg (54 MJ/kg). Worldwide production of aluminium in 2010 was 41.4 million tonnes. Using the figures above this ...

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The figure above shows energy consumption for the entire aluminum sector, which includes all primary, secondary, and downstream production. Total aluminum sector energy use accounted for over 300 trillion British thermal units in 2006. Primary processing includes processing raw materials and manufacturing aluminum. The subsector secondary ...

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Preface This report provides reliable and comprehensive statistical data over the period 1960 to 2003 for the evaluation of energy trends and issues in the U.S. aluminum industry.

ALUMINUM AND ENERGY—energy and aluminum—the two have been intimately linked since the industry started in 1886. That was when both Charles Martin Hall, in the United States, and Paul Heroult, in France, working independently, almost simultaneously discovered an economical process to produce aluminum from a fused salt using electrolysis.

Aluminum Manufacturing. The low density and corrosion resistance of aluminum make it the preferred metal for many manufactured products–from spacecraft components to beverage cans. The United States is a large importer and exporter of both primary (made from ore) and secondary aluminum (made from recycled or scrap material).

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