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Recovery of Al, Cr and V from steel slag by bioleaching: batch and column experiments

Gomes, Helena I.; Funari, Valerio; Mayes, William M.; Rogerson, Mike; Prior, Timothy J.


Helena I. Gomes

Valerio Funari

Mike Rogerson

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Dr Tim Prior
Senior Lecturer in Inorganic Chemistry


Steel slag is a major by-product of the steel industry and a potential resource of technology critical elements. For this study, a basic oxygen furnace (BOF) steel slag was tested for bacterial leaching and recovery of aluminium (Al), chromium (Cr), and vanadium (V). Mixed acidophilic bacteria were adapted to the steel slag up to 5% (w/v). In the batch tests, Al, Cr, and V were bioleached significantly more from steel slag than in control treatments. No statistical difference was observed arising from the duration of the leaching (3 vs 6 d) in the batch tests. Al and Cr concentrations in the leachate were higher for the smaller particle size of the steel slag (


Gomes, H. I., Funari, V., Mayes, W. M., Rogerson, M., & Prior, T. J. (2018). Recovery of Al, Cr and V from steel slag by bioleaching: batch and column experiments. Journal of environmental management, 222, 30-36.

Journal Article Type Article
Acceptance Date May 16, 2018
Online Publication Date May 23, 2018
Publication Date Sep 15, 2018
Deposit Date May 23, 2018
Publicly Available Date May 24, 2019
Journal Journal of Environmental Management
Print ISSN 0301-4797
Electronic ISSN 1095-8630
Publisher Elsevier
Peer Reviewed Peer Reviewed
Volume 222
Pages 30-36
Public URL
Publisher URL
Additional Information This article is maintained by: Elsevier; Article Title: Recovery of Al, Cr and V from steel slag by bioleaching: Batch and column experiments; Journal Title: Journal of Environmental Management; CrossRef DOI link to publisher maintained version:; Content Type: article; Copyright: © 2018 Elsevier Ltd. All rights reserved.


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