Mathematical and Kinetic Modelling for Convective Hot Air Drying of Sweet Potatoes (<i>Ipomoea batatas L</i>)

Inyang Uwem Ekwere; Etuk Benjamin Reuben; Oboh Innocent Oseribho

doi:doi:10.11648/j.ajche.20190701.13

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Mathematical and Kinetic Modelling for Convective Hot Air Drying of Sweet Potatoes (Ipomoea batatas L)

Inyang Uwem Ekwere, Etuk Benjamin Reuben, Oboh Innocent Oseribho

Published in American Journal of Chemical Engineering (Volume 7, Issue 1)

Received: 22 January 2019 Accepted: 8 March 2019 Published: 1 April 2019

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Abstract

The kinetic modelling of thin layer drying is performed with various agricultural products such as seeds, grains, fruits and some plant species with economic importance. Sweet Potato (Ipomoea batatas L) is a widely consumed, and its industrialization is on the increase. The thin layer drying kinetics of sweet potato were experimentally investigated in a convective hot air dryer. Comparison was made between the experimental and model predicted moisture ratio by nonlinear regression analysis. Furthermore, the effect of drying temperature and slice thickness on the selected model constants was evaluated. From the experimental data obtained, it was observed that moisture ratio of the potato sample was directly proportional to the mass of the sample while the time of drying was inversely proportional and these two parameters (mass and time) were used to develop a mathematical model for the thin layer drying of sweet potatoes using a convective hot air dryer. The mathematical model developed was validated. The experimental data fitted the developed mathematical model and gave the Sum of Squares (SSE) value of 0.0001296 and coefficient of determination (R²) as unity. The parameters obtained from the kinetic modelling of the selected models studied could be used in designing low cost dryers for optimum drying conditions.

Published in	American Journal of Chemical Engineering (Volume 7, Issue 1)
DOI	10.11648/j.ajche.20190701.13
Page(s)	22-31
Creative Commons	This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited.
Copyright	Copyright © The Author(s), 2019. Published by Science Publishing Group

Keywords

Sweet Potato, Moisture Ratio, Model Constant, Drying Kinetics, Thin Layer

References

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APA Style

Inyang Uwem Ekwere, Etuk Benjamin Reuben, Oboh Innocent Oseribho. (2019). Mathematical and Kinetic Modelling for Convective Hot Air Drying of Sweet Potatoes (Ipomoea batatas L). American Journal of Chemical Engineering, 7(1), 22-31. https://doi.org/10.11648/j.ajche.20190701.13

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ACS Style

Inyang Uwem Ekwere; Etuk Benjamin Reuben; Oboh Innocent Oseribho. Mathematical and Kinetic Modelling for Convective Hot Air Drying of Sweet Potatoes (Ipomoea batatas L). Am. J. Chem. Eng. 2019, 7(1), 22-31. doi: 10.11648/j.ajche.20190701.13

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AMA Style

Inyang Uwem Ekwere, Etuk Benjamin Reuben, Oboh Innocent Oseribho. Mathematical and Kinetic Modelling for Convective Hot Air Drying of Sweet Potatoes (Ipomoea batatas L). Am J Chem Eng. 2019;7(1):22-31. doi: 10.11648/j.ajche.20190701.13

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@article{10.11648/j.ajche.20190701.13,
  author = {Inyang Uwem Ekwere and Etuk Benjamin Reuben and Oboh Innocent Oseribho},
  title = {Mathematical and Kinetic Modelling for Convective Hot Air Drying of Sweet Potatoes (Ipomoea batatas L)},
  journal = {American Journal of Chemical Engineering},
  volume = {7},
  number = {1},
  pages = {22-31},
  doi = {10.11648/j.ajche.20190701.13},
  url = {https://doi.org/10.11648/j.ajche.20190701.13},
  eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.ajche.20190701.13},
  abstract = {The kinetic modelling of thin layer drying is performed with various agricultural products such as seeds, grains, fruits and some plant species with economic importance. Sweet Potato (Ipomoea batatas L) is a widely consumed, and its industrialization is on the increase. The thin layer drying kinetics of sweet potato were experimentally investigated in a convective hot air dryer. Comparison was made between the experimental and model predicted moisture ratio by nonlinear regression analysis. Furthermore, the effect of drying temperature and slice thickness on the selected model constants was evaluated. From the experimental data obtained, it was observed that moisture ratio of the potato sample was directly proportional to the mass of the sample while the time of drying was inversely proportional and these two parameters (mass and time) were used to develop a mathematical model for the thin layer drying of sweet potatoes using a convective hot air dryer. The mathematical model developed was validated. The experimental data fitted the developed mathematical model and gave the Sum of Squares (SSE) value of 0.0001296 and coefficient of determination (R2) as unity. The parameters obtained from the kinetic modelling of the selected models studied could be used in designing low cost dryers for optimum drying conditions.},
 year = {2019}
}

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TY  - JOUR
T1  - Mathematical and Kinetic Modelling for Convective Hot Air Drying of Sweet Potatoes (Ipomoea batatas L)
AU  - Inyang Uwem Ekwere
AU  - Etuk Benjamin Reuben
AU  - Oboh Innocent Oseribho
Y1  - 2019/04/01
PY  - 2019
N1  - https://doi.org/10.11648/j.ajche.20190701.13
DO  - 10.11648/j.ajche.20190701.13
T2  - American Journal of Chemical Engineering
JF  - American Journal of Chemical Engineering
JO  - American Journal of Chemical Engineering
SP  - 22
EP  - 31
PB  - Science Publishing Group
SN  - 2330-8613
UR  - https://doi.org/10.11648/j.ajche.20190701.13
AB  - The kinetic modelling of thin layer drying is performed with various agricultural products such as seeds, grains, fruits and some plant species with economic importance. Sweet Potato (Ipomoea batatas L) is a widely consumed, and its industrialization is on the increase. The thin layer drying kinetics of sweet potato were experimentally investigated in a convective hot air dryer. Comparison was made between the experimental and model predicted moisture ratio by nonlinear regression analysis. Furthermore, the effect of drying temperature and slice thickness on the selected model constants was evaluated. From the experimental data obtained, it was observed that moisture ratio of the potato sample was directly proportional to the mass of the sample while the time of drying was inversely proportional and these two parameters (mass and time) were used to develop a mathematical model for the thin layer drying of sweet potatoes using a convective hot air dryer. The mathematical model developed was validated. The experimental data fitted the developed mathematical model and gave the Sum of Squares (SSE) value of 0.0001296 and coefficient of determination (R2) as unity. The parameters obtained from the kinetic modelling of the selected models studied could be used in designing low cost dryers for optimum drying conditions.
VL  - 7
IS  - 1
ER  -

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Author Information

Inyang Uwem Ekwere

Department of Chemical and Petroleum Engineering, University of Uyo, Uyo, Nigeria
Etuk Benjamin Reuben

Department of Chemical and Petroleum Engineering, University of Uyo, Uyo, Nigeria
Oboh Innocent Oseribho

Department of Chemical and Petroleum Engineering, University of Uyo, Uyo, Nigeria

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APA Style

Inyang Uwem Ekwere, Etuk Benjamin Reuben, Oboh Innocent Oseribho. (2019). Mathematical and Kinetic Modelling for Convective Hot Air Drying of Sweet Potatoes (Ipomoea batatas L). American Journal of Chemical Engineering, 7(1), 22-31. https://doi.org/10.11648/j.ajche.20190701.13

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ACS Style

Inyang Uwem Ekwere; Etuk Benjamin Reuben; Oboh Innocent Oseribho. Mathematical and Kinetic Modelling for Convective Hot Air Drying of Sweet Potatoes (Ipomoea batatas L). Am. J. Chem. Eng. 2019, 7(1), 22-31. doi: 10.11648/j.ajche.20190701.13

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AMA Style

Inyang Uwem Ekwere, Etuk Benjamin Reuben, Oboh Innocent Oseribho. Mathematical and Kinetic Modelling for Convective Hot Air Drying of Sweet Potatoes (Ipomoea batatas L). Am J Chem Eng. 2019;7(1):22-31. doi: 10.11648/j.ajche.20190701.13

Copy | Download

@article{10.11648/j.ajche.20190701.13,
  author = {Inyang Uwem Ekwere and Etuk Benjamin Reuben and Oboh Innocent Oseribho},
  title = {Mathematical and Kinetic Modelling for Convective Hot Air Drying of Sweet Potatoes (Ipomoea batatas L)},
  journal = {American Journal of Chemical Engineering},
  volume = {7},
  number = {1},
  pages = {22-31},
  doi = {10.11648/j.ajche.20190701.13},
  url = {https://doi.org/10.11648/j.ajche.20190701.13},
  eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.ajche.20190701.13},
  abstract = {The kinetic modelling of thin layer drying is performed with various agricultural products such as seeds, grains, fruits and some plant species with economic importance. Sweet Potato (Ipomoea batatas L) is a widely consumed, and its industrialization is on the increase. The thin layer drying kinetics of sweet potato were experimentally investigated in a convective hot air dryer. Comparison was made between the experimental and model predicted moisture ratio by nonlinear regression analysis. Furthermore, the effect of drying temperature and slice thickness on the selected model constants was evaluated. From the experimental data obtained, it was observed that moisture ratio of the potato sample was directly proportional to the mass of the sample while the time of drying was inversely proportional and these two parameters (mass and time) were used to develop a mathematical model for the thin layer drying of sweet potatoes using a convective hot air dryer. The mathematical model developed was validated. The experimental data fitted the developed mathematical model and gave the Sum of Squares (SSE) value of 0.0001296 and coefficient of determination (R2) as unity. The parameters obtained from the kinetic modelling of the selected models studied could be used in designing low cost dryers for optimum drying conditions.},
 year = {2019}
}

Copy | Download

TY  - JOUR
T1  - Mathematical and Kinetic Modelling for Convective Hot Air Drying of Sweet Potatoes (Ipomoea batatas L)
AU  - Inyang Uwem Ekwere
AU  - Etuk Benjamin Reuben
AU  - Oboh Innocent Oseribho
Y1  - 2019/04/01
PY  - 2019
N1  - https://doi.org/10.11648/j.ajche.20190701.13
DO  - 10.11648/j.ajche.20190701.13
T2  - American Journal of Chemical Engineering
JF  - American Journal of Chemical Engineering
JO  - American Journal of Chemical Engineering
SP  - 22
EP  - 31
PB  - Science Publishing Group
SN  - 2330-8613
UR  - https://doi.org/10.11648/j.ajche.20190701.13
AB  - The kinetic modelling of thin layer drying is performed with various agricultural products such as seeds, grains, fruits and some plant species with economic importance. Sweet Potato (Ipomoea batatas L) is a widely consumed, and its industrialization is on the increase. The thin layer drying kinetics of sweet potato were experimentally investigated in a convective hot air dryer. Comparison was made between the experimental and model predicted moisture ratio by nonlinear regression analysis. Furthermore, the effect of drying temperature and slice thickness on the selected model constants was evaluated. From the experimental data obtained, it was observed that moisture ratio of the potato sample was directly proportional to the mass of the sample while the time of drying was inversely proportional and these two parameters (mass and time) were used to develop a mathematical model for the thin layer drying of sweet potatoes using a convective hot air dryer. The mathematical model developed was validated. The experimental data fitted the developed mathematical model and gave the Sum of Squares (SSE) value of 0.0001296 and coefficient of determination (R2) as unity. The parameters obtained from the kinetic modelling of the selected models studied could be used in designing low cost dryers for optimum drying conditions.
VL  - 7
IS  - 1
ER  -

Copy | Download