Unicellular microalgae vs. filamentous algae for wastewater treatment and nutrient recovery

Microalgae-based wastewater treatment is a promising platform since it enables nutrient recovery. The use of filamentous algae could improve this technology by reducing harvesting cost and enhancing biomass management. The potential of 12 nicellular and 12 filamentous algae strains was evaluated f...

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Otros Autores: Rearte, Tomás Agustín, Rodríguez, Natalia, Sabatte, Felipe, Fabrizio de Iorio, Alicia Rosa
Formato: Artículo
Lenguaje:Inglés
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Acceso en línea:http://ri.agro.uba.ar/files/intranet/articulo/2021rearte1.pdf
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Aporte de:Registro referencial: Solicitar el recurso aquí
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245 1 |a Unicellular microalgae vs. filamentous algae for wastewater treatment and nutrient recovery 
520 |a Microalgae-based wastewater treatment is a promising platform since it enables nutrient recovery. The use of filamentous algae could improve this technology by reducing harvesting cost and enhancing biomass management. The potential of 12 nicellular and 12 filamentous algae strains was evaluated for the treatment and nutrient recovery of a raw wastewater from a slaughterhouse (RWS). Chlorococcum sp. FAUBA-42 unicellular) and Stigeoclonium sp. FAUBA-10 (filamentous) were selected due to their biomass production using RWS as the sole nutrient source. Comprehensive analysis of batch and semicontinuous regime was carried out for both strains. Semicontinuous cultures showed three times higher biomass productivity than batch regime. The highest biomass productivity (0.45 g DW L− 1 d− 1 ) and photosynthetic quantum yield (1.6 g DW mol photons− 1 ) was reached by the filamentous strain Stigeoclonium FAUBA-10 under 2.5 d HRT. Both strains showed nutrient removal above 92% under 5 d and 2.5 d HRT. Biomass of Stigeoclonium FAUBA-10 can be easily harvested by filtration through mesh screens (<341 μm) which is an operational benefit. 
650 |2 Agrovoc  |9 26 
653 |a WASTEWATE 
653 |a FILAMENTOUS ALGAE 
653 |a PHOTOSYNTHESIS PERFORMANCE 
653 |a BIOMASS PRODUCTIVITY 
653 |a HARVEST 
700 1 |a Rearte, Tomás Agustín  |u Universidad de Buenos Aires. Facultad de Agronomía. Departamento de Recursos Naturales y Ambiente. Cátedra de Química Inorgánica y Analítica. Buenos Aires, Argentina.  |u CONICET. Buenos Aires, Argentina.  |9 31229 
700 1 |9 69257  |a Rodríguez, Natalia  |u Universidad de Buenos Aires. Facultad de Agronomía. Departamento de Recursos Naturales y Ambiente. Cátedra de Química Inorgánica y Analítica. Buenos Aires, Argentina.  |u CONICET. Buenos Aires, Argentina. 
700 1 |a Sabatte, Felipe  |u Universidad de Buenos Aires. Facultad de Agronomía. Departamento de Recursos Naturales y Ambiente. Cátedra de Química Inorgánica y Analítica. Buenos Aires, Argentina.  |9 72271 
700 1 |a Fabrizio de Iorio, Alicia Rosa  |u Universidad de Buenos Aires. Facultad de Agronomía. Departamento de Recursos Naturales y Ambiente. Cátedra de Química Inorgánica y Analítica. Buenos Aires, Argentina.  |9 9199 
773 |t Algal Research  |g Vol.59 (2021), e102442, 11 p., grafs., tbls., fot. 
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