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Cinética del secado de coco por radiación

Authors: Umaña Calderón, Manuel; Muñoz Mena, Janice; Pacheco Retana, Yuliana; Vargas Elías, Guillermo Asdrúbal;

Cinética del secado de coco por radiación

Abstract

El coco es una fruta que puede aprovecharse completamente desde su parte líquida hasta su parte sólida, considerando la parte alimenticia y los residuos. La parte sólida puede utilizarse directamente como alimento, también puede ser procesado para su uso posterior. El secado es un proceso necesario para su conservación, por lo tanto se evaluó el secado por radiación para establecer la relación entre rapidez y temperatura del proceso. Se utilizaron las temperaturas de 60, 80,100 y 120 °C. El coco fue extraído, molido y homogenizado manualmente. Se utilizó un deshidratador con transmisión de calor por radiación en cuatro temperaturas de proceso. El contenido de humedad fue determinado por la pérdida de masa hasta obtener peso constante en una capa delgada de producto. Se determinó que durante secado, el contenido de humedad es exponencialmente decreciente y el modelo matemático de Midilli se ajustó adecuadamente con un coeficiente de determinación (R2) mayor al 94 %. El efecto de la temperatura en la rapidez del proceso se ajustó con la ecuación de Arrhenius. Se determinó que la energía de activación del proceso de secado por radiación en coco fue de 60,7 kJ/mol. La relación matemática de la rapidez del secado es una doble exponencial que depende directamente de la temperatura y el tiempo de secado.

Country
Costa Rica
Related Organizations
Keywords

Technology, Radiation heat transfer, Deshidratación de coco, T, Energía de activación., Transmisión de calor por radiación, Energía de activación, Deshidratación de coco, Transmisión de calor por radiación, Coconut dehydration, Secado de capa delgada, Activation energy, 634.61 Cocos, Thin layer drying

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
3
Average
Average
Average
Green
gold