Application of Novel Polymer Materials Containing Deep Eutectic Solvents for the Separation of Metal Ions from Alkaline Battery Leachates
Daria Bożejewicz, Małgorzata A. Kaczorowska
TL;DR
This paper explores using eco-friendly polymer materials with deep eutectic solvents to efficiently separate metal ions from used alkaline batteries, promoting sustainable recycling.
Contribution
The study introduces polymer materials with green deep eutectic solvents for efficient and eco-friendly metal ion separation from battery leachates.
Findings
Polymer materials with deep eutectic solvents achieved up to 93.42% removal of Ni(II) ions.
FTIR-ATR analysis confirmed chemical composition changes in polymer materials after metal ion separation.
DES-based materials align with green chemistry principles for e-waste processing.
Abstract
The widespread, worldwide utilisation of alkaline batteries requires development of proper recycling methods for used batteries, which are considered both as a secondary source of valuable metals and as a threat to the environment (may contain toxic substances). As many separation methods of metal ions from battery leachates are based on the use of substances that require complex synthesis or are not eco-safe, new materials suitable for this purpose are systematically sought. Therefore, in this study, the results of the separation of Ni(II), Zn(II) and Mn(II) ions from alkaline battery leachates using polymer materials (PMs) impregnated with easily synthesised, “green” deep eutectic solvents (DESs) or with ionic liquids (ILs) were presented. Additionally, PMs surface wettability were determined and their chemical compositions were analysed using the Fourier transform infrared…
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Taxonomy
TopicsExtraction and Separation Processes · Ionic liquids properties and applications · Advancements in Battery Materials