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Keywords = ENICON project

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3 pages, 373 KB  
Proceeding Paper
Energy Transition Metals: Future Demand and Low-Carbon Processing Technologies
by Konstantinos Komnitsas, Ilias Lazos and Toni Eerola
Mater. Proc. 2023, 15(1), 56; https://doi.org/10.3390/materproc2023015056 - 13 Dec 2023
Cited by 2 | Viewed by 1953
Abstract
This paper discusses the importance of the energy transition metals Ni, Co and Li in building Europe’s clean technology value chains and meeting the 2050 climate-neutrality goal. Some emerging metal extraction technologies, investigated in the framework of the Horizon Europe projects ENICON and [...] Read more.
This paper discusses the importance of the energy transition metals Ni, Co and Li in building Europe’s clean technology value chains and meeting the 2050 climate-neutrality goal. Some emerging metal extraction technologies, investigated in the framework of the Horizon Europe projects ENICON and EXCEED, in order to decrease the carbon footprint of the production of energy transition metals, are also discussed. Full article
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5 pages, 2095 KB  
Proceeding Paper
Factors Affecting the Properties of Slag-Based Alkali-Activated Materials
by Konstantinos Komnitsas, Vasiliki Karmali, Dimitra Vathi and Eleftherios Kaklamanos
Mater. Proc. 2023, 15(1), 19; https://doi.org/10.3390/materproc2023015019 - 24 Oct 2023
Viewed by 1263
Abstract
This study, carried out in the frame of the Horizon Europe ENICON project, “Sustainable processing of Europe’s low grade sulphidic and lateritic Ni/Co ores and tailings into battery grade metals”, evaluates the properties of alkali-activated materials (AAMs) produced from slag obtained from the [...] Read more.
This study, carried out in the frame of the Horizon Europe ENICON project, “Sustainable processing of Europe’s low grade sulphidic and lateritic Ni/Co ores and tailings into battery grade metals”, evaluates the properties of alkali-activated materials (AAMs) produced from slag obtained from the Euronickel ferronickel plant at Kavadarci, Republic of N. Macedonia. The activating solution comprises sodium hydroxide (NaOH) and sodium silicate (Na2SiO3) solutions. The effect of various operating parameters, i.e., the molarity of the activating solution (6–10 mol/L), pre-curing period (24–96 h), curing temperature (20–80 °C), and aging period (7–96 days) on the compressive strength, density, porosity and water absorption of the produced AAMs, was initially assessed. The first experimental results indicate that the produced AAMs acquired compressive strength exceeding 40 MPa after curing at 80 °C and aging for 7 days. This value increased to higher than 55 and 70 MPa when the aging period was 28 and 96 days, respectively. Full article
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