Experimental study and mathematical modelling of convective thin-layer drying of noni (Morinda citrifolia L.)

Authors

  • Francisco Canelo Facultad de Ingeniería Química, Universidad Nacional de Ingeniería (UNI), Managua, Nicaragua
  • Kevin Gutiérrez Facultad de Ingeniería Química, Universidad Nacional de Ingeniería (UNI), Managua, Nicaragua
  • Apolinar Picado Department of Chemical Engineering, KTH Royal Institute of Technology, Sweden https://orcid.org/0000-0002-4138-8043
  • Rafael Gamero Facultad de Ingeniería Química, Universidad Nacional de Ingeniería (UNI), Managua, Nicaragua

DOI:

https://doi.org/10.5377/nexo.v36i01.15791

Keywords:

Morinda citrifolia, Mathematical modelling, Thin-layer drying, Regression analysis

Abstract

In this study, the drying kinetics of noni (Morinda citrifolia L.) was investigated in a laboratory tunnel dryer at air temperatures of 50, 60, and 70 °C and velocities of 1.0, 1.5, and 2.0 m/s. Noni showed only a falling drying rate period. Further, a non-linear regression procedure was used to determine the characteristic drying curve. The experimental drying data of noni were employed to fit thin-layer models. Under the evaluated experimental conditions, the Page model provided the best representation of thin-layer drying characteristics of noni. The effective moisture diffusivity ranged from 1.77 × 10-7 to 3.33 × 10-7 m2/s. The activation energy was found to be 3.34 kJ/mol.

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Published

2023-02-22

How to Cite

Canelo, F. ., Gutiérrez, K. ., Picado, A. ., & Gamero, R. . (2023). Experimental study and mathematical modelling of convective thin-layer drying of noni (Morinda citrifolia L.). Nexo Scientific Journal, 36(01), 3–16. https://doi.org/10.5377/nexo.v36i01.15791

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