A Sustainable Process for the Recovery of Valuable Metals from Spent Lithium Ion Batteries by Deep Eutectic Solvents Leaching
نویسندگان
چکیده
The feasibility of using low-environmental-impact leaching media to recover valuable metals from lithium ion batteries (LIBs) has been evaluated. Several deep eutectic solvents (DES) were tested as agents in the presence different type additives (i.e., H2O2). optimization Co recovery was carried out by investigating various operating conditions, such reaction time, temperature, solid (black mass) liquid ratio, additive type, and concentration. Leaching with final selected DES choline chloride (33%), lactic acid (53%), citric (13%) at 55 °C achieved an extraction yield more than 95% for cobalt. mechanism likely begins dissolution active material black mass (BM) followed chelation Co(II) DES. results obtained confirm that those are eco-friendly alternative strong inorganic acids used nowadays.
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ژورنال
عنوان ژورنال: Materials proceedings
سال: 2022
ISSN: ['2673-4605']
DOI: https://doi.org/10.3390/materproc2021005100