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Provedor de dados:  Ciênc. Tecnol. Aliment.
País:  Brazil
Título:  Modeling and kinetic study of bio-ethanol production from soy protein concentrate by-product
Autores:  CALDEIRÃO,Lucas
TANAKA,Cyntia
IDA,Elza
SPINOSA,Wilma
Data:  2016-06-01
Ano:  2016
Palavras-chave:  Alcoholic fermentation
Bioethanol
Soybean molasses
Co-product valorization
Resumo:  Abstract The aim of this work was to evaluate a non-agitated process of bioethanol production from soybean molasses and the kinetic parameters of fermentation using a strain of Saccharomyces cerevisiae (ATCC® 2345). Kinetic experiment was conducted in medium with 30% (w v-1) of soluble solids without supplementation or pH adjustment. The maximum ethanol concentration was in 44 hours, the ethanol productivity was 0.946 g L-1 h-1, the yield over total initial sugars (Y1) was 47.87%, over consumed sugars (Y2) was 88.08% and specific cells production rate was 0.006 h-1. The mathematical polynomial was adjusted to the experimental data and provided very similar parameters of yield and productivity. Based in this study, for one ton of soybean molasses can be produced 103 kg of anhydrous bioethanol.
Tipo:  Info:eu-repo/semantics/article
Idioma:  Inglês
Identificador:  http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0101-20612016000200369
Editor:  Sociedade Brasileira de Ciência e Tecnologia de Alimentos
Relação:  10.1590/1678-457X.0021
Formato:  text/html
Fonte:  Food Science and Technology v.36 n.2 2016
Direitos:  info:eu-repo/semantics/openAccess
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