Utilize este identificador para referenciar este registo: http://hdl.handle.net/10400.22/3370
Título: Cleanup of industrial effluents containing heavy metals: a new opportunity of valorising the biomass produced by brewing industry
Autor: Soares, Eduardo V.
Soares, Helena Maria
Palavras-chave: Biosorption
Heavy metals bioremediation
Industrial effluents
Metals recycling
Saccharomyces cerevisiae
Data: 2013
Editora: Springer
Relatório da Série N.º: Applied Microbiology and Biotechnology; Vol. 97, Issue 15
Resumo: Heavy metal pollution is a matter of concern in industrialised countries. Contrary to organic pollutants, heavy metals are not metabolically degraded. This fact has two main consequences: its bioremediation requires another strategy and heavy metals can be indefinitely recycled. Yeast cells of Saccharomyces cerevisiae are produced at high amounts as a by-product of brewing industry constituting a cheap raw material. In the present work, the possibility of valorising this type of biomass in the bioremediation of real industrial effluents containing heavy metals is reviewed. Given the autoaggregation capacity (flocculation) of brewing yeast cells, a fast and off-cost yeast separation is achieved after the treatment of metal-laden effluent, which reduces the costs associated with the process. This is a critical issue when we are looking for an effective, eco-friendly, and low-cost technology. The possibility of the bioremediation of industrial effluents linked with the selective recovery of metals, in a strategy of simultaneous minimisation of environmental hazard of industrial wastes with financial benefits from reselling or recycling the metals, is discussed.
Peer review: yes
URI: http://hdl.handle.net/10400.22/3370
ISSN: 0175-7598
Versão do Editor: http://link.springer.com/article/10.1007/s00253-013-5063-y
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