Open AccessUsing factorial design to increase the efficiency on a small-scale ethanol distillation
Author(s) -
Flávio Dias Mayer,
Giseane Fumagalli-Schettert,
Paulo R. S. Salbego,
Nicholas I. Canabarro,
Vanessa Baldo,
Márcio A. Mazutti,
Edson Luiz Foletto,
Ronaldo Hoffmann
Publication year - 2015
Publication title -
revista facultad de ingeniería universidad de antioquia
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.16
H-Index - 12
eISSN - 2422-2844
pISSN - 0120-6230
DOI - 10.17533/udea.redin.n78a06
Subject(s) - ethanol , factorial experiment , distillation , chemistry , volumetric flow rate , chromatography , ethanol content , ethanol fuel , mathematics , statistics , biochemistry , thermodynamics , physics
This research assessed experimentally the performance of a small-scale ethanol/water distillation column. Statistical analysis was performed using Statistica® 7.0, considering a significance level of 90% (p < 0.10), to evaluate if the independent variables (feed stream ethanol concentration and flow rate) influence on the production of ethanol in accordance with the Brazilian legislation, i.e., a Hydrous Ethanol Fuel with ethanol content between 92.5 and 93.8 wt%. The results demonstrated that the influence of the feed stream ethanol concentration and flow rate were significant for both the top product concentration and the recovery ratio. The recovery ratio of ethanol was above 80%, demonstrating that the performance of the small-scale column is satisfactory.
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