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Reduction of iron oxide in hydrogen atmosphere by using concentrated solar energy: preliminary study

AuthorsLópez-Delgado, Aurora ; Robla, J. I.; Padilla, Isabel ; Vázquez, Alfonso J.; García-Hierro, Javier; Sánchez-Hernández, R.
KeywordsConcentrated solar energy, iron oxide, reduction,
Issue Date10-Jul-2016
AbstractAccording to the World Meteorological Organization, since the Industrial Revolution, humankind has emitted 375,000 t of CO2 into the atmosphere, producing a level of concentration of this gas in excess of 390 ppm. Metallurgical activities in a given country are responsible for a significant percentage of these emissions. Within the steelmaking works, the process of reduction of iron oxides is one of the largest producers of CO2 emissions. Faced with this alarming situation, the entry into force in 2005 of the Kyoto Protocol, with the aim to reduce emissions of greenhouse gases was a historical challenge of unquestionable significance. Thus, the use of clean energy and the control of CO2 emissions are presented as one of the most important parameters for new chemical processes and for the production of new materials; and, from a scientific point of view, an extraordinary challenge and an unavoidable social commitment. In this sense, our work aims to study the technological feasibility of implementing the use of both hydrogen and concentrated solar energy to reduce iron ore, especially those characteristic of Spanish mining areas with high solar irradiation, and whose destination is the steel industry. Preliminary studies have been carried out using commercial iron oxides in order to establish the experimental parameters which favor the kinetics of the reduction process.
DescriptionEuromat Junior 2016. Lausane, Suiza. Póster
Appears in Collections:(CENIM) Comunicaciones congresos
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