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Biodiesel Synthesis by Ethanolysis of Hura crepitans Seed Oil Unfit for Consumption in Benin

Received: 11 September 2019     Accepted: 7 October 2019     Published: 20 October 2019
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Abstract

To reduce fossil fuel dependence and greenhouse gases, biomass energy is in high demand. Hura crepitans (HC) is a widely distributed plant species in Benin. But its seed oils are reputed to be purgative and unfit for consumption. So, we collected the seeds of HC in Agame (South of Benin). They were extracted and the seed oils have been converted into biodiesel. First, the quality indices (acid, peroxide, iodine and saponification) were determined. Then, elementary physicochemical parameters and fuel properties of the extracted oil have been highlighted according to standardised methods. Transesterification parameters of the seed oils (alcohol/oil and catalyst/oil ratios, temperature and yield) were also studied. The fatty acids of vegetable oil and the characteristics of its obtained biodiesel were finally identified. It appears that HC seeds have a lipid potential of 52.54%. Its oil is unsaturated and dominated by linoleic acid (54.13%). The yield of the transesterification reaction is 81.47%. The fuel parameters of the obtained biodiesel are: acidity (0.41%); density at 26°C (0.887); cetane number (54.44) compared to those of HC seed oils: acidity (4.81%), density at 26°C (0.929) and cetane number (44.53). The biodiesel obtained by transesterification with potash has much better parameters that comply with biodiesel standards. These results suggest that biodiesel of HC could be proposed to power Diesel engines without a preheating system.

Published in American Journal of Physical Chemistry (Volume 8, Issue 3)
DOI 10.11648/j.ajpc.20190803.11
Page(s) 50-57
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

Hura crepitans, Transesterification, Biodiesel, Fuel Parameters

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    Assou Sidohounde, Guevara Nonviho, Fifa Theomaine Diane Bothon, Papin Sourou Montcho, Cokou Pascal Agbangnan Dossa, et al. (2019). Biodiesel Synthesis by Ethanolysis of Hura crepitans Seed Oil Unfit for Consumption in Benin. American Journal of Physical Chemistry, 8(3), 50-57. https://doi.org/10.11648/j.ajpc.20190803.11

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    ACS Style

    Assou Sidohounde; Guevara Nonviho; Fifa Theomaine Diane Bothon; Papin Sourou Montcho; Cokou Pascal Agbangnan Dossa, et al. Biodiesel Synthesis by Ethanolysis of Hura crepitans Seed Oil Unfit for Consumption in Benin. Am. J. Phys. Chem. 2019, 8(3), 50-57. doi: 10.11648/j.ajpc.20190803.11

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    AMA Style

    Assou Sidohounde, Guevara Nonviho, Fifa Theomaine Diane Bothon, Papin Sourou Montcho, Cokou Pascal Agbangnan Dossa, et al. Biodiesel Synthesis by Ethanolysis of Hura crepitans Seed Oil Unfit for Consumption in Benin. Am J Phys Chem. 2019;8(3):50-57. doi: 10.11648/j.ajpc.20190803.11

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  • @article{10.11648/j.ajpc.20190803.11,
      author = {Assou Sidohounde and Guevara Nonviho and Fifa Theomaine Diane Bothon and Papin Sourou Montcho and Cokou Pascal Agbangnan Dossa and Leopold Tchiakpe and Dominique Codjo Koko Sohounhloue},
      title = {Biodiesel Synthesis by Ethanolysis of Hura crepitans Seed Oil Unfit for Consumption in Benin},
      journal = {American Journal of Physical Chemistry},
      volume = {8},
      number = {3},
      pages = {50-57},
      doi = {10.11648/j.ajpc.20190803.11},
      url = {https://doi.org/10.11648/j.ajpc.20190803.11},
      eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.ajpc.20190803.11},
      abstract = {To reduce fossil fuel dependence and greenhouse gases, biomass energy is in high demand. Hura crepitans (HC) is a widely distributed plant species in Benin. But its seed oils are reputed to be purgative and unfit for consumption. So, we collected the seeds of HC in Agame (South of Benin). They were extracted and the seed oils have been converted into biodiesel. First, the quality indices (acid, peroxide, iodine and saponification) were determined. Then, elementary physicochemical parameters and fuel properties of the extracted oil have been highlighted according to standardised methods. Transesterification parameters of the seed oils (alcohol/oil and catalyst/oil ratios, temperature and yield) were also studied. The fatty acids of vegetable oil and the characteristics of its obtained biodiesel were finally identified. It appears that HC seeds have a lipid potential of 52.54%. Its oil is unsaturated and dominated by linoleic acid (54.13%). The yield of the transesterification reaction is 81.47%. The fuel parameters of the obtained biodiesel are: acidity (0.41%); density at 26°C (0.887); cetane number (54.44) compared to those of HC seed oils: acidity (4.81%), density at 26°C (0.929) and cetane number (44.53). The biodiesel obtained by transesterification with potash has much better parameters that comply with biodiesel standards. These results suggest that biodiesel of HC could be proposed to power Diesel engines without a preheating system.},
     year = {2019}
    }
    

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  • TY  - JOUR
    T1  - Biodiesel Synthesis by Ethanolysis of Hura crepitans Seed Oil Unfit for Consumption in Benin
    AU  - Assou Sidohounde
    AU  - Guevara Nonviho
    AU  - Fifa Theomaine Diane Bothon
    AU  - Papin Sourou Montcho
    AU  - Cokou Pascal Agbangnan Dossa
    AU  - Leopold Tchiakpe
    AU  - Dominique Codjo Koko Sohounhloue
    Y1  - 2019/10/20
    PY  - 2019
    N1  - https://doi.org/10.11648/j.ajpc.20190803.11
    DO  - 10.11648/j.ajpc.20190803.11
    T2  - American Journal of Physical Chemistry
    JF  - American Journal of Physical Chemistry
    JO  - American Journal of Physical Chemistry
    SP  - 50
    EP  - 57
    PB  - Science Publishing Group
    SN  - 2327-2449
    UR  - https://doi.org/10.11648/j.ajpc.20190803.11
    AB  - To reduce fossil fuel dependence and greenhouse gases, biomass energy is in high demand. Hura crepitans (HC) is a widely distributed plant species in Benin. But its seed oils are reputed to be purgative and unfit for consumption. So, we collected the seeds of HC in Agame (South of Benin). They were extracted and the seed oils have been converted into biodiesel. First, the quality indices (acid, peroxide, iodine and saponification) were determined. Then, elementary physicochemical parameters and fuel properties of the extracted oil have been highlighted according to standardised methods. Transesterification parameters of the seed oils (alcohol/oil and catalyst/oil ratios, temperature and yield) were also studied. The fatty acids of vegetable oil and the characteristics of its obtained biodiesel were finally identified. It appears that HC seeds have a lipid potential of 52.54%. Its oil is unsaturated and dominated by linoleic acid (54.13%). The yield of the transesterification reaction is 81.47%. The fuel parameters of the obtained biodiesel are: acidity (0.41%); density at 26°C (0.887); cetane number (54.44) compared to those of HC seed oils: acidity (4.81%), density at 26°C (0.929) and cetane number (44.53). The biodiesel obtained by transesterification with potash has much better parameters that comply with biodiesel standards. These results suggest that biodiesel of HC could be proposed to power Diesel engines without a preheating system.
    VL  - 8
    IS  - 3
    ER  - 

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Author Information
  • Department of Chemical Engineering-Processes, Polytechnic School of Abomey-Calavi, University of Abomey-Calavi, Abomey-Calavi, Benin

  • Department of Chemical Engineering-Processes, Polytechnic School of Abomey-Calavi, University of Abomey-Calavi, Abomey-Calavi, Benin

  • Department of Chemical Engineering-Processes, Polytechnic School of Abomey-Calavi, University of Abomey-Calavi, Abomey-Calavi, Benin

  • Department of Chemical Engineering-Processes, Polytechnic School of Abomey-Calavi, University of Abomey-Calavi, Abomey-Calavi, Benin

  • Department of Chemical Engineering-Processes, Polytechnic School of Abomey-Calavi, University of Abomey-Calavi, Abomey-Calavi, Benin

  • Bio-Pharmaceutical Engineering Department, Pharmacy Faculty, University of Aix-Marseille, Marseille, France

  • Department of Chemical Engineering-Processes, Polytechnic School of Abomey-Calavi, University of Abomey-Calavi, Abomey-Calavi, Benin

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