SUSTAINABILITY WEBINAR SERIES

Transition technologies: closer steps towards lower energy consumption and GHG emissions in the metallurgical industry - FeNi case
Speaker: Prof. Lais Mujica‑Roncery
Thursday, December 4, 2025 at 3-4 PM CET/9-10 AM COL

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Sustainability pushes technological adaptations in the metallurgical industry in order to diminish energy consumption and GHG emission. In this webinar, you will be presented the case of the FeNi production, where a transition technology consisting of selective reduction assisted by magnetic separation (SR-MS) is presented, which is able to be adapted to the RKEF conventional process. Experimental work accompanied by computational thermodynamics indicates that the proposed SR-MS method is able to concentrate Ni from less than 1% in the ore to almost 4% in the calcine, simultaneously diminishing CO2e emissions from 138.82 to 34 kg CO2/kg Ni, with further positive impact on a reduction of ~70% energy consumption during smelting.

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About the Speaker

Lais Mujica Roncery is Associate Professor at Universidad Pedagógica y Tecnológica de Colombia (UPTC), currently the director of the Institute for Research and Innovation in Materials Science and Technology (INCITEMA). Doctoral degree from the Ruhr-Universität Bochum in the Chair of Materials Technology, Master from Universidad Industrial de Santander, Chemical Engineer from Universidad Nacional de Colombia. Mercator Fellowship in Germany, former Japan International Cooperation Agency and Max-Planck Society scholarship holder. Research areas in steels, superalloys, high entropy alloys and sustainable metallurgy.