Please use this identifier to cite or link to this item: http://www.alice.cnptia.embrapa.br/alice/handle/doc/1045552
Research center of Embrapa/Collection: Embrapa Suínos e Aves - Artigo em anais de congresso (ALICE)
Date Issued: 2015
Type of Material: Artigo em anais de congresso (ALICE)
Authors: MICHELON, W.
DA SILVA, M. L. B.
MEZZARI, M. P.
PIROLLI, M.
PRANDINI, J.
SOARES, H. M.
Title: Determination of microalgae cellular composition after phycoremediation of swine wastewaters.
Publisher: In: LATIN AMERICAN CONGRESS, 4., 2015, Florianópolis. Anais... Florianópolis: UFSC, 2015. Disponível on line. SOLABIAA.
Language: en
Keywords: Carbohydrate
Lipid
Protein
Phycoremediation.
Description: Phycoremediation of swine wastewaters has been widely reported as an attractive tertiary treatment system, that effectively removes the excessive nutrient loadswhilst offering a valuable source of feedstock biomass. Digestate from an upflow anaerobic sludge blanket (UASB, 6%v/v) and a nitrification reactor (NR; 50% v/v) were used as culturing media to microalgae. Experiments were carried out in lab scale photobioreactors (PBRs) using a consortia of Chlorella and Scenedesmus. Ammonia (44 to 90%) and phosphorus (77%) were efficiently removed from both effluents tested after 4 days. Microalgae biomass harvested from the UASB effluent showed 57, 34 and 1% of proteins, carbohydrates and lipids, respectively. Comparatively, the cellular composition of microalgae grown on NR effluent had lower protein (43%) but higher carbohydrate (42%) contents. Negligible difference in lipid fraction was observed independently of the effluents tested. The results suggest that the biomass harvested from phycoremediation of swine wastewaters can offer a valuable protein and carbohydrate feedstock for nutritional and biotechnological applications.
NAL Thesaurus: microalgae.
Data Created: 2016-05-23
Appears in Collections:Artigo em anais de congresso (CNPSA)

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