Journal of Cleaner Production | VOL. 18
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Energy and greenhouse gas impacts of mining and mineral processing operations

Publication Date Feb 1, 2010

Abstract

Abstract Life cycle assessments of the mining and mineral processing of iron ore, bauxite and copper concentrate were carried out, focussing on embodied energy and greenhouse gas emissions. The results showed that loading and hauling make the largest contributions to the total greenhouse gas emissions for the mining and processing of iron ore and bauxite. In the case of copper ore, the crushing and grinding steps make the largest contribution to the total greenhouse gas emissions for the production of copper concentrate. These results indicate that efforts to reduce the increased greenhouse gas emissions from mining and mineral processing, anticipated in the future as a result of falling ore grades and more finer-grained deposits, should focus on loading and hauling for iron ore and bauxite, while for copper ore the focus should be on grinding. There are a number of new and emerging technologies that could be expected to assist in this task, and these include high pressure grinding rolls and stirred mills for grinding, and further advances in diesel engine technology for loading and hauling applications.

Concepts

Processing Of Iron Ore Processing Of Bauxite Mining Of Bauxite Mineral Processing Operations Mineral Processing Greenhouse Gas Emissions Iron Ore Mining Processing Processing Of Ore Mining Of Ore

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No potential conflict of interest was reported by the authors. The conception and design of the study, acquisition of data, analysis and interpretatio...

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