Utilize este identificador para referenciar este registo: http://hdl.handle.net/10400.9/3091
Título: Energetic valorization of algal biomass in a hybrid anaerobic reactor
Autor: Assemany, Paula P.
Marques, Isabel Paula Ramos
Calijuri, Maria Lucia
Silva, Teresa Lopes da
Reis, Alberto
Palavras-chave: Microalgae
Anaerobic digestion
Flow cytometry
Waste valorization
Data: 2018
Editora: Elsevier
Citação: Assemany, P.; Marques, I.P.; Calijuri, M.L... [et.al.]. - Energetic valorization of algal biomass in a hybrid anaerobic reactor. In: Journal of Environment Management, 2018, Vol. 209, p. 308-315
Resumo: ABSTRACT: This study evaluated the operation of a hybrid anaerobic reactor fed with algal biomass cultivated in effluent from the brewery industry. Three stages of operation were distinguished during the 72 days of semi-continuous functioning of the reactor: Stage 1 (S1), in which algal biomass was used as substrate; Stage 2 (S2), in which 10% (v/v) of the algal biomass was substituted by olive mill wastewater (OMW); and Stage 3 (S3), in which algal biomass was heat pre-treated. During Sl, a loss of solids was observed, with an increment of organic matter in the outlet. The substitution of 10% of the volume of algal biomass by OMW tripled the methane productivity obtained in the previous stage by digestion of pure algal biomass. Heat pre-treatment was not efficient in rupturing the cell wall, and consequently did not have any effect on the increase in biogas production. The complementarity of substrates in the assessed conditions led to better results than the pre-treatment of the algal biomass.
Peer review: yes
URI: http://hdl.handle.net/10400.9/3091
ISSN: 0301-4797
Versão do Editor: https://doi.org/10.1016/j.jenvman.2017.12.054
Aparece nas colecções:UB - Artigos em revistas internacionais

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