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Influence of fusel oil components on the distillation of hydrous ethanol fuel (HEF) in a bench column

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Influence of fusel oil components on the distillation of hydrous ethanol fuel (HEF) in a bench column

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Título Influence of fusel oil components on the distillation of hydrous ethanol fuel (HEF) in a bench column
Autor Mayer, Flávio Dias
Feris, Liliana Amaral
Marcilio, Nilson Romeu
Staudt, Paula Bettio
Hoffmann, Ronaldo
Baldo, Vanessa
Abstract The components of fusel oil form azeotropes with water, resulting in challenges in obtaining hydrous ethanol fuel (HEF) and increasing investment and operating costs. The aim of this study was to evaluate how the presence of fusel oil affected HEF distillation. Mixtures of ethanol (6.0 to 6.5 % w/w) and water (93.0 to 94 % w/w) containing different concentrations (zero to 0.5 % w/w) of 3-methyl-1-butanol, 2- methyl-1-propanol, propan-1-ol and propan-2-ol were distilled in a laboratory apparatus. Under total reflux conditions, HEF concentrations in compliance with Brazilian legislation specifications were obtained, but the desired concentration could not be attained under continuous operation. All of the experiments resulted in a high loss of ethanol in the bottom product under multiple operating conditions. The results demonstrated that fusel oil affects HEF distillation, but that HEF concentrations can still be obtained in compliance with Brazilian legislation.
Contido em Brazilian journal of chemical engineering. São Paulo. Vol. 32, no. 2 (Apr./June 2015), p. 585-593
Assunto Destilação
Etanol
Óleo de linhaça
[en] Distillation
[en] Fuel ethanol
[en] Fusel oil
Origem Nacional
Tipo Artigo de periódico
URI http://hdl.handle.net/10183/127041
Arquivos Descrição Formato
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