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Ethanol yield calculations in biorefineries COMMENT

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Autor(es):
Bermejo, Pamela Magali ; Badino, Alberto ; Zamberlan, Luciano ; Raghavendran, Vijayendran ; Basso, Thiago Olitta ; Gombert, Andreas Karoly
Número total de Autores: 6
Tipo de documento: Artigo Científico
Fonte: FEMS Yeast Research; v. 21, n. 8, p. 6-pg., 2021-12-13.
Resumo

The ethanol yield on sugar during alcoholic fermentation allows for diverse interpretation in academia and industry. There are several different ways to calculate this parameter, which is the most important one in this industrial bioprocess and the one that should be maximized, as reported by Pereira, Rodrigues, Sonego, Cruz and Badino (A new methodology to calculate the ethanol fermentation efficiency at bench and industrial scales. Ind Eng Chem Res 2018; 57: 16182-91). On the one hand, the various methods currently employed in industry provide dissimilar results, and recent evidence shows that yield has been consistently overestimated in Brazilian sugarcane biorefineries. On the other hand, in academia, researchers often lack information on all the intricate aspects involved in calculating the ethanol yield in industry. Here, we comment on these two aspects, using fuel ethanol production from sugarcane in Brazilian biorefineries as an example, and taking the work of Pereira, Rodrigues, Sonego, Cruz and Badino (A new methodology to calculate the ethanol fermentation efficiency at bench and industrial scales. Ind Eng Chem Res 2018; 57: 16182-91.) as a starting point. Our work is an attempt to demystify some common beliefs and to foster closer interaction between academic and industrial professionals from the fermentation sector. Pereira, Rodrigues, Sonego, Cruz and Badino (A new methodology to calculate the ethanol fermentation efficiency at bench and industrial scales. Ind Eng Chem Res 2018; 57: 16182-91). (AU)

Processo FAPESP: 18/17172-2 - Respostas fisiológicas de leveduras industriais e bactérias contaminantes da produção de etanol a inibidores lignocelulósicos
Beneficiário:Thiago Olitta Basso
Modalidade de apoio: Auxílio à Pesquisa - Regular
Processo FAPESP: 18/11405-5 - Fermentação Alcoólica Extrativa em Biorreatores Pneumáticos com Arraste de Etanol por CO2 Integrada a Etapas de Recuperação
Beneficiário:Alberto Colli Badino Junior
Modalidade de apoio: Auxílio à Pesquisa - Regular