Modelagem matemática da cinética de secagem de semente de laranja
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Undergraduate course
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Article
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Acesso aberto
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Abstract
Drying of orange seeds representing waste products from juice processing was studied in the temperatures of 40, 50, 60 and 70 °C and drying velocities of 0.6, 1.0 and 1.4 m/s. Experimental drying kinetics of orange seeds were obtained using a convective air forced dryer. Three thin-layer models: Page model, Lewis model, and the Henderson-Pabis model and the diffusive model were used to predict the drying curves. The Henderson-Pabis and the diffusive models show the best fitting performance and statistical evaluations. Moreover, the temperature dependence on the effective diffusivity followed an Arrhenius relationship, and the activation energies ranging from 16.174 to 16.842 kJ/mol.
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Keywords
Dehydration, Diffusive model, Henderson-Pabis model, Moisture content
Language
English
Citation
Ciencia e Agrotecnologia, v. 39, n. 3, p. 291-300, 2015.
