Journal
RESOURCES-BASEL
Volume 9, Issue 4, Pages -Publisher
MDPI
DOI: 10.3390/resources9040044
Keywords
ore grade; energy demand; development; copper; resource depletion
Categories
Funding
- Ministry of Environment, Climate Protection, and the Energy Sector of Baden-Wurttemberg (Germany) within the NEXUS project [L7516001]
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Copper has always played an important role in human development. Demand for copper is going to rise, which makes its future supply a key issue for society. However, the oft-discussed declining ore grade and, therefore, the assumed enormous increase in energy demand and global warming potential could lead to a supply constraint. To develop suitable strategies to ensure copper availability, it is important to better understand the relationship between energy and ore grade and also its development. Therefore, in this paper we describe the development of the cumulative energy demand of copper production over the last eight decades and give an outlook into the future using a holistic process-based modelling approach. We also discuss how technological progress has thus far been able to offset the decreasing ore grade. However, if geological factors are becoming less favorable, technological improvements such as renewable energies are vital to keep this trend going.
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