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|Title:||Potential applications of concentrated solar thermal technologies in the Australian minerals processing and extractive metallurgical industry|
|Author:||Eglinton, Thomas Luke|
|Citation:||JOM-Journal of the Minerals Metals & Materials Society, 2013; 65(12):1710-1720|
|School/Discipline:||School of Chemical Engineering|
|Thomas Eglinton, Jim Hinkley, Andrew Beath, and Mark Dell’Amico|
|Abstract:||The Australian minerals processing and extractive metallurgy industries are responsible for about 20% of Australia’s total greenhouse gas (GHG) emissions. This article reviews the potential applications of concentrated solar thermal (CST) energy in the Australian minerals processing industry to reduce this impact. Integrating CST energy into these industries would reduce their reliance upon conventional fossil fuels and reduce GHG emissions. As CST technologies become more widely deployed and cheaper, and as fuel prices rise, CST energy will progressively become more competitive with conventional energy sources. Some of the applications identified in this article are expected to become commercially competitive provided the costs for pollution abatement and GHG mitigation are internalized. The areas of potential for CST integration identified in this study can be classed as either medium/low-temperature or high-temperature applications. The most promising medium/low-grade applications are electricity generation and low grade heating of liquids. Electricity generation with CST energy—also known as concentrated solar power—has the greatest potential to reduce GHG emissions out of all the potential applications identified because of the 24/7 dispatchability when integrated with thermal storage. High-temperature applications identified include the thermal decomposition of alumina and the calcination of limestone to lime in solar kilns, as well as the production of syngas from natural gas and carbonaceous materials for various metallurgical processes including nickel and direct reduced iron production. Hybridization and integration with thermal storage could enable CST to sustain these energy-intensive metallurgical processes continuously. High-temperature applications are the focus of this paper.|
|Rights:||© 2013 The Minerals, Metals & Materials Society|
|Appears in Collections:||Chemical Engineering publications|
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