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Simplified modeling of fed-batch alcoholic fermentation of sugarcane blackstrap molasses.

Identifieur interne : 001E05 ( Main/Exploration ); précédent : 001E04; suivant : 001E06

Simplified modeling of fed-batch alcoholic fermentation of sugarcane blackstrap molasses.

Auteurs : Attilio Converti [Italie] ; Saleh Arni ; Sunao Sato ; João Carlos Monteiro De Carvalho ; Eugênio Aquarone

Source :

RBID : pubmed:12910547

English descriptors

Abstract

Simplified modeling based on material balances for biomass, ethanol and substrate was used to describe the kinetics of fed-batch alcohol fermentation of sugarcane blackstrap molasses. Maintenance requirements were previously shown to be of particular significance in this system, owing to the use of massive inoculum to minimize inhibitions; therefore, they were taken into consideration for kinetic modeling. Average values of biomass and ethanol yields, productivities, and substrate consumption rates, calculated at the end of runs performed either at constant or exponentially varying flow rates, demonstrated that all of these parameters were influenced by the initial sugar-feeding rate, F(o)S(o). Under conditions of substrate shortage (F(o)S(o)
DOI: 10.1002/bit.10750
PubMed: 12910547


Affiliations:


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