Abstract
Although the production of biofuels from microalgae has numerous advantages over other raw materials, its large-scale application still comes across economic aspects. In this context, the concept of biorefinery emerges as a strategy to increase the sustainability of this process. Studies have been developed to reduce production costs, especially to optimize the harvesting stage. Among the techniques used, bioflocculation is a promising alternative to traditional harvesting methods, as it is viable in terms of cost, execution and efficiency and, above all, it is a more environmentally appropriate method. This study aimed to perform a bibliometric and systematic review of traditional algal harvesting techniques and the mechanisms governing the different interactions of microorganisms used as bioflocculants, especially fungi. The high efficiencies of microalgae harvesting, combined with the possibility of cultivation in wastewater and the various bioproducts originated from this biomass, show the potential application of bioflocculation in the context of integrated biorefineries.
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This study was financed in part by the Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES) - Brasil - Finance Code 001.
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Nazari, M.T., Freitag, J.F., Cavanhi, V.A.F. et al. Microalgae harvesting by fungal-assisted bioflocculation. Rev Environ Sci Biotechnol 19, 369–388 (2020). https://doi.org/10.1007/s11157-020-09528-y
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DOI: https://doi.org/10.1007/s11157-020-09528-y