Anaerobic co-digestion of brewery wastewater and aqueous phase from hydrothermal co-liquefaction of brewer’s spent grain and microalgae.

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MetadadosDescriçãoIdioma
Autor(es): dc.creatorCerqueira, Matheus Ribeiro de Jesus-
Autor(es): dc.creatorCoêlho, Yan Rocha-
Autor(es): dc.creatorAquino, Sergio Francisco de-
Autor(es): dc.creatorAmaral, Mateus de Souza-
Data de aceite: dc.date.accessioned2025-08-21T15:56:31Z-
Data de disponibilização: dc.date.available2025-08-21T15:56:31Z-
Data de envio: dc.date.issued2025-02-25-
Data de envio: dc.date.issued2023-
Fonte completa do material: dc.identifierhttps://www.repositorio.ufop.br/handle/123456789/19797-
Fonte completa do material: dc.identifierhttps://link.springer.com/article/10.1007/s12649-024-02750-7-
Fonte completa do material: dc.identifierhttps://doi.org/10.1007/s12649-024-02750-7-
Fonte: dc.identifier.urihttp://educapes.capes.gov.br/handle/capes/1028077-
Descrição: dc.descriptionAqueous phase (AP) from hydrothermal liquefaction (HTL) is an effluent with a high concentration of organic compounds which exhibits potential for application in anaerobic digestion (AD) systems. However, inhibitory compounds present in this effluent make it difficult to produce biogas. Hence, anaerobic co-digestion (co-AD) is an alternative for diluting the inhibiting compounds in the reactor and, consequently, ensure methane production. In this sense, the aim of this study was to evaluate the methane production from the anaerobic co-digestion of brewery wastewater (BW) and the AP result- ing from the hydrothermal co-liquefaction (co-HTL) of brewer’s spent grain (BSG) and algal biomass. Therefore, AD experiments were carried out using different proportions of BW and AP under controlled temperature (37 °C) and agita- tion conditions (180 rpm). In this way, a two-component (BW and AP) extreme vertices design was employed to evaluate the effects of BW and AP and their interactions on the cumulative methane (CH4) production – NmL CH4.kg COD−1 via co-AD and to model the CH4 production aiming performer a Monte Carlo Simulations (MCS) with 10,000 interactions to evaluate the no-CH4 production risk due AP composition (up to 5, 10, 15, 20 and 25%) on co-AD. The results proved that the potential to inhibit (CH4) production increases as the proportion of AP in the co-AD increases. However, MCS has demonstrated that it is possible to minimize the risks of process failure (no-CH4 production) by controlling the propor- tion of AP in the co-AD mixture. The simulations demonstrated a risk of failure of 21.83, 16.66, 8.40, and only 1.29% of failure (i.e. no-CH4 production) in scenarios considering AP proportion up to 25, 20, 15 and 10% respectively in the co-AD, respectively. The results indicate using up to 10% AP in the co-AD mixture to ensure CH4 production.-
Formato: dc.formatapplication/pdf-
Idioma: dc.languageen-
Direitos: dc.rightsrestrito-
Palavras-chave: dc.subjectAnaerobic co-digestion-
Palavras-chave: dc.subjectBiorefinery-
Palavras-chave: dc.subjectBiocrude-
Palavras-chave: dc.subjectBiogas-
Palavras-chave: dc.subjectThermochemical conversion-
Título: dc.titleAnaerobic co-digestion of brewery wastewater and aqueous phase from hydrothermal co-liquefaction of brewer’s spent grain and microalgae.-
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