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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Gerold, Eva
Montanuniversität Leoben
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (6/6 displayed)
- 2024Development of a Dross Build-Up Growth Process Model for Hot-Dip Galvanizing Considering Surface Reaction Kineticscitations
- 2023Towards a sustainable approach using mineral or carboxylic acid to recover lithium from lithium iron phosphate batteriescitations
- 2023SeLiReco 2.0 - A more sustainable process for the recycling of lithium-ion batteries
- 2023Gluconic Acid Leaching of Spent Lithium-Ion Batteries as an Environmentally Friendly Approach to Achieve High Leaching Efficiencies in the Recycling of NMC Active Materialcitations
- 2022Studies on the phase formation of cobalt contacted with zinc vapourcitations
- 2021Decomposition of hydrogen peroxide in selected organic acids
Places of action
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document
SeLiReco 2.0 - A more sustainable process for the recycling of lithium-ion batteries
Abstract
The success story of lithium-ion batteries in the field of electromobility but also portable devices is undisputed and will continue to make a significant contribution to decarbonization in the future. However, in line with the idea of circular economy, efficient and sustainable recycling strategies for spent lithium-ion batteries are mandatory. The need to recover the valuable metals Co, Ni, Mn and Li with high quality and efficiency is therefore of great importance. Due to the basic chemical properties of e.g. lithium, efficient recovery is often only possible by hydrometallurgical methods. Furthermore, hydrometallurgy exhibits significant advantages such as low-emission process design and low energy requirements. Conventional hydrometallurgical methods employ strong inorganic acids to dissolve the valuable metals. However, this leads to a significant salt load in the process effluents and to an increased CO2 equivalent due to the production of the chemicals applied. Therefore, the substitution<br/>of these with organic acids appears to be a significant improvement with respect to the challenges addressed. The SeLiReco (Selective Lithium Recovery) process similarly originally built on leaching with sulfuric acid. Subsequently, selective precipitation steps enable the valuable metals to be recovered in high quality. Particularly remarkable is the possibility of recovering lithium as lithium <br/> phosphate in a high quality and with an efficiency of 90 %. The further development of this process to SeLiReco 2.0 included the substitution of sulfuric acid by citric acid, which has a significantly lower CO2 equivalent in its production. It could be shown that despite the application of the weaker acid,<br/>efficient leaching can be demonstrated. Furthermore, the feasibility as well as the efficiency of the subsequent precipitation steps could also be confirmed. This adaptation of the original SeLiReco process thus leads to a more sustainable design of the process and maintains the high standards of the recovered products.