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Master's Dissertation
DOI
10.11606/D.9.1990.tde-18032008-142642
Document
Author
Full name
Joao Carlos Monteiro de Carvalho
E-mail
Institute/School/College
Knowledge Area
Date of Defense
Published
São Paulo, 1990
Supervisor
Committee
Aquarone, Eugênio (President)
Brazzach, Milton Leoncio
Vanetti, Maria Cristina Dantas
Title in Portuguese
Influência de vazão exponencialmente decrescente do mosto de melaço de cana-de-açucar no processo descontínuo alimentado de fermentação alcoólica
Keywords in Portuguese
Etanol
Fermentação alcoólica
Melaço de cana-de-açúcar
Processo descontínuo alimentado
Saccharomyces cerevisiae
Abstract in Portuguese
Estudou-se o processo descontínuo alimentado de fermentação alcoólica, utilizando-se mosto de melaço de cana-de-açúcar e Saccharomyces cerevisiae na forma de fermento prensado. Foram analisados a influência da vazão de alimentação exponencialmente decrescente e do tempo de enchimento do fermentador no comportamento do sistema, considerando os seguintes parâmetros: 1. produtividade em etanol e em células, 2. rendimento em etanol e 3. razão de crescimento celular.
Title in English
Influence of exponentially feeding rate on fed-batch alcoholic fermentation of sugar-cane blackstrap molasses
Keywords in English
Alcoholic fermentation
Ethanol
Fed-batch process
Saccharomyces cerevisiae
Sugar-cane molasses
Abstract in English
The fed-batch ethanol fermentation of sugar-cane blackstrap molasses by the action of Saccharomyces cerevisiae (pressed yeast) was studied. The influence of exponencialy decreasing feeding rates and of the fermentor filling up time on the system behavior was analysed considering the following parameters: 1. ethanol and cell productivities, 2. ethanol yield and 3. cell growth ratio.
 
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Publishing Date
2008-03-20
 
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