Modeling of drying and adsorption isotherms of the fish feed

The aim of this work was to study the drying curves and equilibrium isotherms of extruded fish feed. The drying curves were determined at air temperatures of 50, 60, 70 and 80°C and airflow velocities of 1.5, 2.5 and 3.5 m/s). The equilibrium isotherms of relative humidity of air were obtained betwe...

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Main Authors: Ana Claudia Werner Pacheco, Gianini Regina Luz, Paulo Eduardo Polon, Luiz Mário de Matos Jorge, Paulo Roberto Paraíso
Format: Article
Language:English
Published: Instituto de Tecnologia do Paraná (Tecpar) 2011-06-01
Series:Brazilian Archives of Biology and Technology
Subjects:
Online Access:http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132011000300020
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author Ana Claudia Werner Pacheco
Gianini Regina Luz
Paulo Eduardo Polon
Luiz Mário de Matos Jorge
Paulo Roberto Paraíso
author_facet Ana Claudia Werner Pacheco
Gianini Regina Luz
Paulo Eduardo Polon
Luiz Mário de Matos Jorge
Paulo Roberto Paraíso
author_sort Ana Claudia Werner Pacheco
collection DOAJ
description The aim of this work was to study the drying curves and equilibrium isotherms of extruded fish feed. The drying curves were determined at air temperatures of 50, 60, 70 and 80°C and airflow velocities of 1.5, 2.5 and 3.5 m/s). The equilibrium isotherms of relative humidity of air were obtained between 10 and 80% at 30, 40, 50, and 70°C. The experimental data were fitted for non-linear regression by using Statistica® to the models reported in the literature. The results showed that the drying curves and the equilibrium isotherms were significantly influenced by variations of the air temperature in a similar way to solid materials as described in the literature. The statistical results for models of Page and Peleg showed that the fitting of the experimental drying curve and isotherm data were satisfactory.
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spelling doaj.art-edc8f05a41524a57866a841425e732a52022-12-22T01:38:00ZengInstituto de Tecnologia do Paraná (Tecpar)Brazilian Archives of Biology and Technology1516-89131678-43242011-06-0154357758810.1590/S1516-89132011000300020Modeling of drying and adsorption isotherms of the fish feedAna Claudia Werner PachecoGianini Regina LuzPaulo Eduardo PolonLuiz Mário de Matos JorgePaulo Roberto ParaísoThe aim of this work was to study the drying curves and equilibrium isotherms of extruded fish feed. The drying curves were determined at air temperatures of 50, 60, 70 and 80°C and airflow velocities of 1.5, 2.5 and 3.5 m/s). The equilibrium isotherms of relative humidity of air were obtained between 10 and 80% at 30, 40, 50, and 70°C. The experimental data were fitted for non-linear regression by using Statistica® to the models reported in the literature. The results showed that the drying curves and the equilibrium isotherms were significantly influenced by variations of the air temperature in a similar way to solid materials as described in the literature. The statistical results for models of Page and Peleg showed that the fitting of the experimental drying curve and isotherm data were satisfactory.http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132011000300020extruded fish feedadsorption isothermsequilibrium moisture
spellingShingle Ana Claudia Werner Pacheco
Gianini Regina Luz
Paulo Eduardo Polon
Luiz Mário de Matos Jorge
Paulo Roberto Paraíso
Modeling of drying and adsorption isotherms of the fish feed
Brazilian Archives of Biology and Technology
extruded fish feed
adsorption isotherms
equilibrium moisture
title Modeling of drying and adsorption isotherms of the fish feed
title_full Modeling of drying and adsorption isotherms of the fish feed
title_fullStr Modeling of drying and adsorption isotherms of the fish feed
title_full_unstemmed Modeling of drying and adsorption isotherms of the fish feed
title_short Modeling of drying and adsorption isotherms of the fish feed
title_sort modeling of drying and adsorption isotherms of the fish feed
topic extruded fish feed
adsorption isotherms
equilibrium moisture
url http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132011000300020
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