Bioleaching of metals from spent lithium ion secondary batteries using Acidithiobacillus ferrooxidans

D. Mishra; D-J Kim; D.E. Ralph; J-G Ahn; Y-H Rhee

doi:10.1016/j.wasman.2007.01.010

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Bioleaching of metals from spent lithium ion secondary batteries using Acidithiobacillus ferrooxidans

Journal article

Peer reviewed

Bioleaching of metals from spent lithium ion secondary batteries using Acidithiobacillus ferrooxidans

D. Mishra, D-J Kim, D.E. Ralph, J-G Ahn and Y-H Rhee

Waste Management, Vol.28(2), pp.333-338

2008

DOI: https://doi.org/10.1016/j.wasman.2007.01.010

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Abstract

Bioleaching of spent lithium ion secondary batteries, containing LiCoO2, was attempted in this investigation. The present study was carried out using chemolithotrophic and acidophilic bacteria Acidithiobacillus ferrooxidans, which utilized elemental sulfur and ferrous ion as the energy source to produce metabolites like sulfuric acids and ferric ion in the leaching medium. These metabolites helped dissolve metals from spent batteries. Bio-dissolution of cobalt was found to be faster than lithium. The effect of initial Fe(II) concentration, initial pH and solid/liquid (w/v) ratio during bioleaching of spent battery wastes were studied in detail. Higher Fe(II) concentration showed a decrease in dissolution due co-precipitation of Fe(III) with the metals in the residues. The higher solid/liquid ratio (w/v) also affected the metal dissolution by arresting the cell growth due to increased metal concentration in the waste sample. An EDXA mapping was carried out to compare the solubility of both cobalt and lithium, and the slow dissolution rate was clearly found from the figures.

Details

Title: Bioleaching of metals from spent lithium ion secondary batteries using Acidithiobacillus ferrooxidans
Authors/Creators: D. Mishra (Author/Creator)
D-J Kim (Author/Creator)
D.E. Ralph (Author/Creator)
J-G Ahn (Author/Creator)
Y-H Rhee (Author/Creator)
Publication Details: Waste Management, Vol.28(2), pp.333-338
Publisher: Elsevier BV
Identifiers: 991005540825107891
Copyright: 2007 Elsevier Ltd
Murdoch Affiliation: Parker Cooperative Research Centre for Integrated Hydrometallurgy Solutions
Language: English
Resource Type: Journal article

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Collaboration types: Domestic collaboration; International collaboration
Citation topics: 2 Chemistry; 2.62 Electrochemistry; 2.62.138 Lithium-Ion Battery
Web Of Science research areas: Engineering, Environmental; Environmental Sciences
ESI research areas: Engineering