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Hydrometallurgical process for the recovery of metal values from spent lithium-ion batteries in citric acid media

Chen, Xiangping, Zhou, Tao·2014·Waste Management & Research: The Journal for a Sustainable Circular Economy

Abstract

In this paper, a hydrometallurgical process has been proposed to recover valuable metals from spent lithium-ion batteries in citric acid media. Leaching efficiencies as high as 97%, 95%, 94%, and 99% of Ni, Co, Mn, and Li were achieved under the optimal leaching experimental conditions of citric acid concentration of 2 mol L−1, leaching temperature of 80 °C, leaching time of 90 min, liquid–solid ratio of 30 ml g−1, and 2 vol. % H 2 O 2. For the metals recovery process, nickel and cobalt were selectively precipitated by dimethylglyoxime reagent and ammonium oxalate sequentially. Then manganese was extracted by Na-D2EHPA and the manganese-loaded D2EHPA was stripped with sulfuric acid. The manganese was recovered as MnSO 4 in aqueous phase and D2EHPA could be reused after saponification. Finally, lithium was precipitated by 0.5 mol L−1 sodium phosphate. Under their optimal conditions, the recovery percentages of Ni, Co, Mn, and Li can reach 98%, 97%, 98%, and 89%, respectively. This is a relatively simple route in which all metal values could be effectively leached and recovered in citric acid media.

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Metadata

Authors
Chen, X., & Zhou, T.
Venue
Waste Management & Research: The Journal for a Sustainable Circular Economy
Published
2014-11
Volume
32
Issue
11
Pages
1083-1093
ISSN
  • 0734-242X (ISSN-L)
  • 1096-3669
OpenAlex
W2321093002
Cited by
209
References
1
FWCI
7.79
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: Hydrometallurgical process for the recovery of metal values from spent lithium-ion batteries in citric acid media. https://app.cochat.ai/papers/10.1177/0734242x14557380
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Chen, X., & Zhou, T. (2014). Hydrometallurgical process for the recovery of metal values from spent lithium-ion batteries in citric acid media. Waste Management & Research: The Journal for a Sustainable Circular Economy. https://doi.org/10.1177/0734242x14557380

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