Hydrogen production by Enterobacter sp. LBTM 2 using sugarcane bagasse hemicellulose hydrolysate and a synthetic substrate : understanding and controlling toxicity.

Registro completo de metadados
MetadadosDescriçãoIdioma
Autor(es): dc.creatorRincon, Ivon Maritza Campos-
Autor(es): dc.creatorZorel, José Augusto-
Autor(es): dc.creatorMenegatto, Marília Bueno da Silva-
Autor(es): dc.creatorSilva, Flaviane Cristina-
Autor(es): dc.creatorHerrera Adarme, Oscar Fernando-
Autor(es): dc.creatorTonucci, Marina Caldeira-
Autor(es): dc.creatorBaeta, Bruno Eduardo Lobo-
Autor(es): dc.creatorAquino, Sergio Francisco de-
Autor(es): dc.creatorSilva, Silvana de Queiroz-
Data de aceite: dc.date.accessioned2025-08-21T15:21:10Z-
Data de disponibilização: dc.date.available2025-08-21T15:21:10Z-
Data de envio: dc.date.issued2023-05-24-
Data de envio: dc.date.issued2023-05-24-
Data de envio: dc.date.issued2020-
Fonte completa do material: dc.identifierhttp://www.repositorio.ufop.br/jspui/handle/123456789/16663-
Fonte completa do material: dc.identifierhttps://doi.org/10.1590/0001-3765202120201679-
Fonte: dc.identifier.urihttp://educapes.capes.gov.br/handle/capes/1011505-
Descrição: dc.descriptionSugars released by thermochemical pretreatment of lignocellulosic biomass are possible substrate for hydrogen production. However, the major drawback for bacterial fermentation is the toxicity of weak acids and furan derivatives normally present in such substrate. This study aimed to investigate the metabolism involved in hydrogen production by the isolate Enterobacter LBTM2 using 10, 20 and 30-fold diluted synthetic (SH) and sugarcane bagasse hemicellulose (SBH) hydrolysates. In addition, the effects of acetic acid, formic acid and furfural on the bacterial metabolism, as well as detoxification of SBH with activated carbon and molecularly imprinted polymers on the hydrogen production were assessed. The results showed the best hydrogen yield was 0.46 mmol H2 /mmol sugar for 20-times diluted SH, which was 2.3-times higher than obtained in SBH experiments. Bacterial growth and hydrogen production were negatively affected by 0.8 g/L of acetic acid when added alone, but were totally inhibited when formic acid (0.4 g/L) and furfural (0.3 g/L) were also supplied. However the maximum hydrogen production of SBH20 has duplicated when 3% of powdered activated carbon was added to the SBH experiment. The results presented herein can be helpful in understanding the bottlenecks in biohydrogen production and could contribute towards development of lignocellulosic biorefinery.-
Formato: dc.formatapplication/pdf-
Idioma: dc.languageen-
Direitos: dc.rightsaberto-
Direitos: dc.rightsThis article is distributed under Creative Commons Attribution-NonCommercialNoDerivatives License 4.0 (CC BY-NC-ND). Fonte: o PDF do artigo.-
Palavras-chave: dc.subjectAcetic acid-
Palavras-chave: dc.subjectActivated carbon-
Palavras-chave: dc.subjectBiorefinery-
Palavras-chave: dc.subjectFermentation-
Palavras-chave: dc.subjectMolecularly imprinted polymers-
Título: dc.titleHydrogen production by Enterobacter sp. LBTM 2 using sugarcane bagasse hemicellulose hydrolysate and a synthetic substrate : understanding and controlling toxicity.-
Aparece nas coleções:Repositório Institucional - UFOP

Não existem arquivos associados a este item.