Optimization of Calorific Value of Densified Bush Mango Shell and Palm Pressed Fibre Briquettes

Edeh John Chijioke; Eze Nixson Nwakonam; Ibeh Matthew Imagwuike; Eboh Francis Chinweuba

doi:doi:10.11648/j.ajmie.20220703.11

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Optimization of Calorific Value of Densified Bush Mango Shell and Palm Pressed Fibre Briquettes

Edeh John Chijioke, Eze Nixson Nwakonam, Ibeh Matthew Imagwuike, Eboh Francis Chinweuba

Published in American Journal of Mechanical and Industrial Engineering (Volume 7, Issue 3)

Received: 28 June 2022 Accepted: 18 July 2022 Published: 24 August 2022

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Abstract

Energy value of biomass materials can be enhanced through composition, densification and process parameter manipulation. In this study, biomass briquettes of bush mango shell (BMS) and palm pressed fibre (PPF) compositions were evaluated and its calorific values optimized. The effects of biomass concentration, dwelling/compaction time and compression pressure on calorific value were investigated for briquette samples in the compositions of BMS: PPF ratios of 100:0, 75:25, 50:50, 25:75, and 0:100) as sample A, B, C, D and E respectively. An empirical prediction model of the combustion property of the briquettes was developed and optimized using response surface methodology. It was observed across the samples that as bush mango shell composition increased, the calorific value improved significantly from 12.4kJ/kg to 18.65kJ/kg. Increase in dwelling time and pressure also showed slight increase in calorific value of the briquette samples. An optimum calorific value of 19.03 kJ/kg for briquette sample B (75:25 biomass ratio) was realized at dwelling time of 40 minutes and pressure of 25MPa as adequately predicted by a reduced second order model. The model prediction accuracy was over 98% (Pred. R² of 0.9858) with Coefficient of Variance of 0.64% and Adeq. Precision value of 63.936. Thus, Sample B briquettes possess improved combustion properties with burning rate of 0.472g/min at optimum conditions hence suitable for adoption by investors in renewable energy sector.

Published in	American Journal of Mechanical and Industrial Engineering (Volume 7, Issue 3)
DOI	10.11648/j.ajmie.20220703.11
Page(s)	36-44
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), 2022. Published by Science Publishing Group

Keywords

BMS and PPF Briquettes, Biomass Concentration, Dwelling Time, Compression Pressure, Calorific Value, Optimization

References

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APA Style

Edeh John Chijioke, Eze Nixson Nwakonam, Ibeh Matthew Imagwuike, Eboh Francis Chinweuba. (2022). Optimization of Calorific Value of Densified Bush Mango Shell and Palm Pressed Fibre Briquettes. American Journal of Mechanical and Industrial Engineering, 7(3), 36-44. https://doi.org/10.11648/j.ajmie.20220703.11

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ACS Style

Edeh John Chijioke; Eze Nixson Nwakonam; Ibeh Matthew Imagwuike; Eboh Francis Chinweuba. Optimization of Calorific Value of Densified Bush Mango Shell and Palm Pressed Fibre Briquettes. Am. J. Mech. Ind. Eng. 2022, 7(3), 36-44. doi: 10.11648/j.ajmie.20220703.11

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AMA Style

Edeh John Chijioke, Eze Nixson Nwakonam, Ibeh Matthew Imagwuike, Eboh Francis Chinweuba. Optimization of Calorific Value of Densified Bush Mango Shell and Palm Pressed Fibre Briquettes. Am J Mech Ind Eng. 2022;7(3):36-44. doi: 10.11648/j.ajmie.20220703.11

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@article{10.11648/j.ajmie.20220703.11,
  author = {Edeh John Chijioke and Eze Nixson Nwakonam and Ibeh Matthew Imagwuike and Eboh Francis Chinweuba},
  title = {Optimization of Calorific Value of Densified Bush Mango Shell and Palm Pressed Fibre Briquettes},
  journal = {American Journal of Mechanical and Industrial Engineering},
  volume = {7},
  number = {3},
  pages = {36-44},
  doi = {10.11648/j.ajmie.20220703.11},
  url = {https://doi.org/10.11648/j.ajmie.20220703.11},
  eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.ajmie.20220703.11},
  abstract = {Energy value of biomass materials can be enhanced through composition, densification and process parameter manipulation. In this study, biomass briquettes of bush mango shell (BMS) and palm pressed fibre (PPF) compositions were evaluated and its calorific values optimized. The effects of biomass concentration, dwelling/compaction time and compression pressure on calorific value were investigated for briquette samples in the compositions of BMS: PPF ratios of 100:0, 75:25, 50:50, 25:75, and 0:100) as sample A, B, C, D and E respectively. An empirical prediction model of the combustion property of the briquettes was developed and optimized using response surface methodology. It was observed across the samples that as bush mango shell composition increased, the calorific value improved significantly from 12.4kJ/kg to 18.65kJ/kg. Increase in dwelling time and pressure also showed slight increase in calorific value of the briquette samples. An optimum calorific value of 19.03 kJ/kg for briquette sample B (75:25 biomass ratio) was realized at dwelling time of 40 minutes and pressure of 25MPa as adequately predicted by a reduced second order model. The model prediction accuracy was over 98% (Pred. R2 of 0.9858) with Coefficient of Variance of 0.64% and Adeq. Precision value of 63.936. Thus, Sample B briquettes possess improved combustion properties with burning rate of 0.472g/min at optimum conditions hence suitable for adoption by investors in renewable energy sector.},
 year = {2022}
}

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TY - JOUR
T1 - Optimization of Calorific Value of Densified Bush Mango Shell and Palm Pressed Fibre Briquettes
AU - Edeh John Chijioke
AU - Eze Nixson Nwakonam
AU - Ibeh Matthew Imagwuike
AU - Eboh Francis Chinweuba
Y1 - 2022/08/24
PY - 2022
N1 - https://doi.org/10.11648/j.ajmie.20220703.11
DO - 10.11648/j.ajmie.20220703.11
T2 - American Journal of Mechanical and Industrial Engineering
JF - American Journal of Mechanical and Industrial Engineering
JO - American Journal of Mechanical and Industrial Engineering
SP - 36
EP - 44
PB - Science Publishing Group
SN - 2575-6060
UR - https://doi.org/10.11648/j.ajmie.20220703.11
AB - Energy value of biomass materials can be enhanced through composition, densification and process parameter manipulation. In this study, biomass briquettes of bush mango shell (BMS) and palm pressed fibre (PPF) compositions were evaluated and its calorific values optimized. The effects of biomass concentration, dwelling/compaction time and compression pressure on calorific value were investigated for briquette samples in the compositions of BMS: PPF ratios of 100:0, 75:25, 50:50, 25:75, and 0:100) as sample A, B, C, D and E respectively. An empirical prediction model of the combustion property of the briquettes was developed and optimized using response surface methodology. It was observed across the samples that as bush mango shell composition increased, the calorific value improved significantly from 12.4kJ/kg to 18.65kJ/kg. Increase in dwelling time and pressure also showed slight increase in calorific value of the briquette samples. An optimum calorific value of 19.03 kJ/kg for briquette sample B (75:25 biomass ratio) was realized at dwelling time of 40 minutes and pressure of 25MPa as adequately predicted by a reduced second order model. The model prediction accuracy was over 98% (Pred. R2 of 0.9858) with Coefficient of Variance of 0.64% and Adeq. Precision value of 63.936. Thus, Sample B briquettes possess improved combustion properties with burning rate of 0.472g/min at optimum conditions hence suitable for adoption by investors in renewable energy sector.
VL - 7
IS - 3
ER -

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Author Information

Edeh John Chijioke

Department of Mechanical Engineering, Michael Okpara University of Agriculture, Umudike, Nigeria
Eze Nixson Nwakonam

Engineering Research and Development Program, Projects Development Institute, Enugu, Nigeria
Ibeh Matthew Imagwuike

Department of Mechanical Engineering, Michael Okpara University of Agriculture, Umudike, Nigeria
Eboh Francis Chinweuba

Department of Mechanical Engineering, Michael Okpara University of Agriculture, Umudike, Nigeria

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APA Style

Edeh John Chijioke, Eze Nixson Nwakonam, Ibeh Matthew Imagwuike, Eboh Francis Chinweuba. (2022). Optimization of Calorific Value of Densified Bush Mango Shell and Palm Pressed Fibre Briquettes. American Journal of Mechanical and Industrial Engineering, 7(3), 36-44. https://doi.org/10.11648/j.ajmie.20220703.11

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ACS Style

Edeh John Chijioke; Eze Nixson Nwakonam; Ibeh Matthew Imagwuike; Eboh Francis Chinweuba. Optimization of Calorific Value of Densified Bush Mango Shell and Palm Pressed Fibre Briquettes. Am. J. Mech. Ind. Eng. 2022, 7(3), 36-44. doi: 10.11648/j.ajmie.20220703.11

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AMA Style

Edeh John Chijioke, Eze Nixson Nwakonam, Ibeh Matthew Imagwuike, Eboh Francis Chinweuba. Optimization of Calorific Value of Densified Bush Mango Shell and Palm Pressed Fibre Briquettes. Am J Mech Ind Eng. 2022;7(3):36-44. doi: 10.11648/j.ajmie.20220703.11

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@article{10.11648/j.ajmie.20220703.11,
  author = {Edeh John Chijioke and Eze Nixson Nwakonam and Ibeh Matthew Imagwuike and Eboh Francis Chinweuba},
  title = {Optimization of Calorific Value of Densified Bush Mango Shell and Palm Pressed Fibre Briquettes},
  journal = {American Journal of Mechanical and Industrial Engineering},
  volume = {7},
  number = {3},
  pages = {36-44},
  doi = {10.11648/j.ajmie.20220703.11},
  url = {https://doi.org/10.11648/j.ajmie.20220703.11},
  eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.ajmie.20220703.11},
  abstract = {Energy value of biomass materials can be enhanced through composition, densification and process parameter manipulation. In this study, biomass briquettes of bush mango shell (BMS) and palm pressed fibre (PPF) compositions were evaluated and its calorific values optimized. The effects of biomass concentration, dwelling/compaction time and compression pressure on calorific value were investigated for briquette samples in the compositions of BMS: PPF ratios of 100:0, 75:25, 50:50, 25:75, and 0:100) as sample A, B, C, D and E respectively. An empirical prediction model of the combustion property of the briquettes was developed and optimized using response surface methodology. It was observed across the samples that as bush mango shell composition increased, the calorific value improved significantly from 12.4kJ/kg to 18.65kJ/kg. Increase in dwelling time and pressure also showed slight increase in calorific value of the briquette samples. An optimum calorific value of 19.03 kJ/kg for briquette sample B (75:25 biomass ratio) was realized at dwelling time of 40 minutes and pressure of 25MPa as adequately predicted by a reduced second order model. The model prediction accuracy was over 98% (Pred. R2 of 0.9858) with Coefficient of Variance of 0.64% and Adeq. Precision value of 63.936. Thus, Sample B briquettes possess improved combustion properties with burning rate of 0.472g/min at optimum conditions hence suitable for adoption by investors in renewable energy sector.},
 year = {2022}
}

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