Bioleaching metal-bearing wastes and by-products for resource recovery: a review

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dc.contributor.authorTezyapar Kara, Ipek
dc.contributor.authorKremser, k.
dc.contributor.authorWagland, Stuart
dc.contributor.authorCoulon, Frederic
dc.date.accessioned2023-06-15T11:24:36Z
dc.date.available2023-06-15T11:24:36Z
dc.date.issued2023-05-22
dc.description.abstractThe global transition to a circular economy calls for research and development on technologies facilitating sustainable resource recovery from wastes and by-products. Metal-bearing materials, including electronic wastes, tailings, and metallurgical by-products, are increasingly viewed as valuable resources, with some possessing comparable or superior quality to natural ores. Bioleaching, an eco-friendly and cost-effective alternative to conventional hydrometallurgical and pyrometallurgical methods, uses microorganisms and their metabolites to extract metals from unwanted metal-bearing materials. The performance of bioleaching is influenced by pH, solid concentration, energy source, agitation rate, irrigation rate, aeration rate, and inoculum concentration. Optimizing these parameters improves yields and encourages the wider application of bioleaching. Here, we review the microbial diversity and specific mechanisms of bioleaching for metal recovery. We describe the current operations and approaches of bioleaching at various scales and summarise the influence of a broad range of operational parameters. Finally, we address the primary challenges in scaling up bioleaching applications and propose an optimisation strategy for future bioleaching research.en_UK
dc.description.sponsorshipEuropean Union funding: REGENERATIS, (European Regional Development Fund).en_UK
dc.identifier.citationTezyapar Kara I, Kremser K, Wagland ST, Coulon F. (2023) Bioleaching metal-bearing wastes and by-products for resource recovery: a review, Environmental Chemistry Letters, Volume 21, Issue 6, December 2023, pp. 3329-3350en_UK
dc.identifier.eissn1610-3661
dc.identifier.issn1610-3653
dc.identifier.urihttps://doi.org/10.1007/s10311-023-01611-4
dc.identifier.urihttps://dspace.lib.cranfield.ac.uk/handle/1826/19781
dc.language.isoenen_UK
dc.publisherSpringeren_UK
dc.rightsAttribution 4.0 International*
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/*
dc.subjectBioleachingen_UK
dc.subjectBiohydrometallurgyen_UK
dc.subjectBiominingen_UK
dc.subjectMetal bearing materialen_UK
dc.subjectElectronic wasteen_UK
dc.subjectMultivariate optimisationen_UK
dc.titleBioleaching metal-bearing wastes and by-products for resource recovery: a reviewen_UK
dc.typeArticleen_UK

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