International Journal of Sustainable and Green Energy

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Bio-Ethanol Yield from Selected Lignocellulosic Wastes

Received: 24 May 2015    Accepted: 12 June 2015    Published: 01 July 2015
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Abstract

Developing nations are experiencing energy deficit because of overdependence on fossil-based fuels. Countries such as Nigeria have abundant raw materials for biofuels, yet these have not been explored. This study was designed to evaluate the bioethanol production potentials of lignocellulosic-based wastes. The mean glucose yield and TRS obtained from the 13.1M H2SO4 were significantly higher than those of 9.4M and 5.6M H2SO4 hydrolysis. The mean glucose yield and TRS obtained from the 13.1M H2SO4 hydrolysis were: CP (85.1±5.7, 209.8±3.7mg/kg), YP (269.2±11.2, 541.3±7.8 mg/kg), PP (304.0±6.1, 461.2±3.6 mg/kg) and SD (343.2±4.8, 535.9±5.0 mg/kg). The 13.1M hydrolysate was used for the ethanol production and the maximum production was obtained at 48hours of fermentation, the mean ethanol yield being: CP - 160.0±15.1 mL/kg, YP -211.7±15.3 mL/kg, PP - 265.0±20.5 mL/kg and SD - 280.0±11.5 mL/kg. A linear relationship exists between the ethanol yield and fermentation time (R2 = 0.711). Sawdust produced the highest glucose and ethanol yield among the substrates; hence ethanol production from sawdust should be explored and optimized.

DOI 10.11648/j.ijrse.20150404.13
Published in International Journal of Sustainable and Green Energy (Volume 4, Issue 4, July 2015)
Page(s) 141-149
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), 2024. Published by Science Publishing Group

Keywords

Bioethanol Production, Glucose Yield, Lignocellulosic Wastes, Saccharomyces Cerevisiae, Total Reducing Sugars (TRS)

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Author Information
  • Department of Environmental Health Sciences, Faculty of Public Health, College of Medicine, University of Ibadan, Ibadan, Nigeria

  • Department of Environmental Health Sciences, Faculty of Public Health, College of Medicine, University of Ibadan, Ibadan, Nigeria

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    Ana Godson R. E. E., Sokan Adeaga Adewale Allen. (2015). Bio-Ethanol Yield from Selected Lignocellulosic Wastes. International Journal of Sustainable and Green Energy, 4(4), 141-149. https://doi.org/10.11648/j.ijrse.20150404.13

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    Ana Godson R. E. E.; Sokan Adeaga Adewale Allen. Bio-Ethanol Yield from Selected Lignocellulosic Wastes. Int. J. Sustain. Green Energy 2015, 4(4), 141-149. doi: 10.11648/j.ijrse.20150404.13

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    Ana Godson R. E. E., Sokan Adeaga Adewale Allen. Bio-Ethanol Yield from Selected Lignocellulosic Wastes. Int J Sustain Green Energy. 2015;4(4):141-149. doi: 10.11648/j.ijrse.20150404.13

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  • @article{10.11648/j.ijrse.20150404.13,
      author = {Ana Godson R. E. E. and Sokan Adeaga Adewale Allen},
      title = {Bio-Ethanol Yield from Selected Lignocellulosic Wastes},
      journal = {International Journal of Sustainable and Green Energy},
      volume = {4},
      number = {4},
      pages = {141-149},
      doi = {10.11648/j.ijrse.20150404.13},
      url = {https://doi.org/10.11648/j.ijrse.20150404.13},
      eprint = {https://download.sciencepg.com/pdf/10.11648.j.ijrse.20150404.13},
      abstract = {Developing nations are experiencing energy deficit because of overdependence on fossil-based fuels. Countries such as Nigeria have abundant raw materials for biofuels, yet these have not been explored. This study was designed to evaluate the bioethanol production potentials of lignocellulosic-based wastes. The mean glucose yield and TRS obtained from the 13.1M H2SO4 were significantly higher than those of 9.4M and 5.6M H2SO4 hydrolysis. The mean glucose yield and TRS obtained from the 13.1M H2SO4 hydrolysis were: CP (85.1±5.7, 209.8±3.7mg/kg), YP (269.2±11.2, 541.3±7.8 mg/kg), PP (304.0±6.1, 461.2±3.6 mg/kg) and SD (343.2±4.8, 535.9±5.0 mg/kg). The 13.1M hydrolysate was used for the ethanol production and the maximum production was obtained at 48hours of fermentation, the mean ethanol yield being: CP - 160.0±15.1 mL/kg, YP -211.7±15.3 mL/kg, PP - 265.0±20.5 mL/kg and SD - 280.0±11.5 mL/kg. A linear relationship exists between the ethanol yield and fermentation time (R2 = 0.711). Sawdust produced the highest glucose and ethanol yield among the substrates; hence ethanol production from sawdust should be explored and optimized.},
     year = {2015}
    }
    

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  • TY  - JOUR
    T1  - Bio-Ethanol Yield from Selected Lignocellulosic Wastes
    AU  - Ana Godson R. E. E.
    AU  - Sokan Adeaga Adewale Allen
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    T2  - International Journal of Sustainable and Green Energy
    JF  - International Journal of Sustainable and Green Energy
    JO  - International Journal of Sustainable and Green Energy
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    EP  - 149
    PB  - Science Publishing Group
    SN  - 2575-1549
    UR  - https://doi.org/10.11648/j.ijrse.20150404.13
    AB  - Developing nations are experiencing energy deficit because of overdependence on fossil-based fuels. Countries such as Nigeria have abundant raw materials for biofuels, yet these have not been explored. This study was designed to evaluate the bioethanol production potentials of lignocellulosic-based wastes. The mean glucose yield and TRS obtained from the 13.1M H2SO4 were significantly higher than those of 9.4M and 5.6M H2SO4 hydrolysis. The mean glucose yield and TRS obtained from the 13.1M H2SO4 hydrolysis were: CP (85.1±5.7, 209.8±3.7mg/kg), YP (269.2±11.2, 541.3±7.8 mg/kg), PP (304.0±6.1, 461.2±3.6 mg/kg) and SD (343.2±4.8, 535.9±5.0 mg/kg). The 13.1M hydrolysate was used for the ethanol production and the maximum production was obtained at 48hours of fermentation, the mean ethanol yield being: CP - 160.0±15.1 mL/kg, YP -211.7±15.3 mL/kg, PP - 265.0±20.5 mL/kg and SD - 280.0±11.5 mL/kg. A linear relationship exists between the ethanol yield and fermentation time (R2 = 0.711). Sawdust produced the highest glucose and ethanol yield among the substrates; hence ethanol production from sawdust should be explored and optimized.
    VL  - 4
    IS  - 4
    ER  - 

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