Microalgal feedstock for bioenergy: Opportunities and challenges
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2014-01-01
Autores
Reis, Cristiano Eduardo Rodrigues
De Souza Amaral, Mateus
Loures, Carla Cristina Almeida [UNESP]
Da Rós, Patrícia Caroline Molgero
Hu, Bo
Filho, Hélcio José Izário
De Castro, Heizir Ferreira
Gianesella, Sônia Maria Flores
Silva, Messias Borges [UNESP]
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The utilization of algal feedstock for bioenergy can be considered as one of the greatest challenges for biosystems engineering in the near future. Some species of microalgae show high potential for oil accumulation and further utilization of its biomass for biogas generation, pyrolysis, ethanol production, and even as fertilizer. Microalgae can utilize CO<inf>2</inf> as carbon source and can also be grown on nonagricultural environments, such as wastewater facilities, industrial effluents, freshwater, and marine water habitats. The vast research field on microalgae engineering is due to the facts that it can be a source of energy and act as an air and water pollutants removal. There have been considerable advances in engineering its growth, in bioreactor designs, and on lipid accumulation due to chemical, biochemical, and genetic studies. Despite that, there are still some fundamental processing aspects that are considered challenges, either economical, ecological, or technical, such as biomass harvesting and the competition with the higher value products produced from algae, as proteins.
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Biofuels in Brazil: Fundamental Aspects, Recent Developments, and Future Perspectives, p. 367-392.