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DYNA

versão impressa ISSN 0012-7353

Resumo

TORREGROZA-ESPINOSA, Angélica María; MONTES-MONTES, Everaldo Joaquín; AVILA-GOMEZ, Adrián Enrique  e  REMOLINA-LOPEZ, John Fredy. Kinetic modelling of drying of three varieties of yucca industrial. Dyna rev.fac.nac.minas [online]. 2014, vol.81, n.186, pp.184-192. ISSN 0012-7353.  http://dx.doi.org/10.15446/dyna.v81n186.39923.

Drying of three varieties of cassava, was conducted in a tunnel type dryer; the effect of temperature, variety and velocity of drying air on the drying time, using a completely randomized design in factorial arrangement with three factors: temperature (45, 55 and 70°C), speed drying air (1, 3 and 4 m/s) and range (Corpoica Tai, Gines and Veronica), performing three replicates per treatment, resulting in a decrease in drying time to the temperature of 70 ° C for the three varieties. The results obtained were built drying curves, in which it was found that this process took place in the period decreasing. Drying curves were fitted to mathematical models, determining by the R2 and the sum of squared errors (SSE), that page is the model that best describes the drying process.

Palavras-chave : Drying kinetics; mathematical models; equilibrium moisture; activation energy; effective diffusivity.

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