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Study of the traditional solar drying of six cassava varieties grown in Côte d'Ivoire

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Author Affiliations

  • 1Physical Chemistry laboratory, UFR SSMT, University of Félix Houphouët-Boigny of Cocody Abidjan, B.P. V34 Abidjan, Côte d'Ivoire
  • 2Physical Chemistry laboratory, UFR SSMT, University of Félix Houphouët-Boigny of Cocody Abidjan, B.P. V34 Abidjan, Côte d'Ivoire
  • 3Physical Chemistry laboratory, UFR SSMT, University of Félix Houphouët-Boigny of Cocody Abidjan, B.P. V34 Abidjan, Côte d'Ivoire

Int. Res. J. Environment Sci., Volume 9, Issue (2), Pages 28-37, April,22 (2020)

Abstract

This work is original in characterizing the traditional solar drying of six cassava varieties (Akaman, Bocou, Bonoua, Manioc blanc, Yacé and Yavo) grown intensely in Côte d'Ivoire. In its implementation, the drying kinetic of these cassava varieties was monitored over a week. Known mass of these cassava samples were dried directly in the sun on an aluminum support. The measurements of sample temperatures, those of the ambient air and the aluminum support, as well as the weighing of these samples, were carried out at well-defined time intervals. From results obtained, it appears that all drying curves of these cassava varieties have a decreasing algorithmic appearance. The moisture for all these cassava varieties, less than 3% of their initial moisture, was obtained after seven consecutive drying days. Their critical moisture (between 0.923 and 1.322 g/g dry matter) is relatively important. This is also the case for their mean vaporization enthalpy (between 8.19&

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