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Recovery of lithium and cobalt from spent lithium-ion batteries using organic acids: Process optimization and kinetic aspects

Open access
Golmohammadzadeh, Rabeeh, Rashchi, Fereshteh, Vahidi, Ehsan·2017·Waste Management

Abstract

An environmentally-friendly route based on hydrometallurgy was investigated for the recovery of cobalt and lithium from spent lithium ion batteries (LIBs) using different organic acids (citric acid, Dl-malic acid, oxalic acid and acetic acid). In this investigation, response surface methodology (RSM) was utilized to optimize leaching parameters including solid to liquid ratio (S/L), temperature, acid concentration, type of organic acid and hydrogen peroxide concentration. Based on the results obtained from optimizing procedure, temperature was recognized as the most influential parameter. In addition, while 81% of cobalt was recovered, the maximum lithium recovery of 92% was achieved at the optimum leaching condition of 60°C, S/L: 30gL-1, citric acid concentration: 2M, hydrogen peroxide concentration: 1.25Vol.% and leaching time: 2h. Furthermore, results displayed that ultrasonic agitation will enhance the recovery of lithium and cobalt. It was found that the kinetics of cobalt leaching is controlled by surface chemical reaction at temperatures lower than 45°C. However, diffusion through the product layer at temperatures higher than 45°C controls the rate of cobalt leaching. Rate of lithium reaction is controlled by diffusion through the product layer at all the temperatures studied.

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Metadata

Authors
Golmohammadzadeh, R., Rashchi, F., & Vahidi, E.
Venue
Waste Management
Publisher
Elsevier BV
Published
2017-06
Volume
64
Pages
244-254
ISSN
0956-053X (ISSN-L)
OpenAlex
W2602139987
Cited by
406
References
43
FWCI
18.99
Type
journal article
Language
en
Open access
green

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CoChat. (2026). Citation check: Recovery of lithium and cobalt from spent lithium-ion batteries using organic acids: Process optimization and kinetic aspects. https://app.cochat.ai/papers/10.1016/j.wasman.2017.03.037
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Golmohammadzadeh, R., Rashchi, F., & Vahidi, E. (2017). Recovery of lithium and cobalt from spent lithium-ion batteries using organic acids: Process optimization and kinetic aspects. Waste Management. https://doi.org/10.1016/j.wasman.2017.03.037

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