Por favor, use este identificador para citar o enlazar este ítem: http://repositorio.ufc.br/handle/riufc/54464
Tipo: Artigo de Evento
Título : Biosurfactant production on air lift bench reactor
Título en inglés: Biosurfactant production on air lift bench reactor
Autor : Santos, Brenda Novais
França, Ítalo Waldimiro Lima de
Rabelo, Maria Cristiane
Melo, Vânia Maria Maciel
Rodrigues, Sueli
Gonçalves, Luciana Rocha Barros
Palabras clave : Biossurfactantes;Biorremediação;Bacillus subtiulis ICA56
Fecha de publicación : 2017
Citación : SANTOS, Brenda Novais; FRANÇA, Ítalo Waldimiro Lima de; RABELO, Maria Cristiane; MELO, Vania Maria Maciel; RODRIGUES, Sueli; GONÇALVES, Luciana Rocha Barros. Biosurfactant production on air lift bench reactor. In: SIMPÓSIO NACIONAL DE BIOPROCESSOS, XXI; SIMPÓSIO DE HIDRÓLISE ENZIMÁTICA DE BIOMASSA, XII., 3 a 6 de set. 2017, Aracaju, Sergipe, Brasil. Anais [...] Aracaju, Sergipe, 2017.
Abstract: This work aimed to investigate the biosurfactant production by Bacillus subtiulis ICA56 (isolated from a Brazilian mangrove) on air lift bench reactor, and evaluate its properties as a tensoative. Even though all biosurfactants advantages over chemical surfactants, the large scale production of biosurfactant is usually limited to the over production of foam, causing a possible product loss. Air lift bench reactor is an option for this issue. So, this reactor apparatus has been applied for biosurfactant production by Bacillus subtilis ICA56. Aeration and pH control have showed a straightforward relation with biosurfactant production. It has been produced around 1,92 g.L-1 of lipopeptide biosurfactant, and a completely O2 consumption, after 33 hours of assay, using aeration about 4L.min-1. It has also been observed a reduction on surface tension about 42% during the cultivation, reaching about 31 mN.m-1, showing its efficiency as a tensoative.
URI : http://www.repositorio.ufc.br/handle/riufc/54464
ISSN : 2447 2816
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