International Journal of Natural Resource Ecology and Management

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Lignocelluloses: An Economical and Ecological Resource for Bio-Ethanol Production – A Review

Received: 14 July 2016    Accepted: 22 July 2016    Published: 17 August 2016
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Abstract

At present, the world is confronted with the twin crises of fossil fuel depletion and environmental degradation. This has made the search for alternative and renewable sources of energy inevitable. Today, examples of such efforts are seen in the production of biofuels from wastes of organic origin, often known as Lignocellulosic Biomass. Lignocellulosic wastes are generated during the industrial processing of agricultural products. These wastes are generated in large amounts throughout the year, and are the most abundant renewable resources on earth. Due to their large availability and composition rich in compounds they could be used in other processes, there is a great interest on the reuse of these wastes, both from economical and environmental viewpoints. This paper present a concise overview of lignocelluloses, their chemical composition, economical and biotechnological potentials in bio-ethanol production with special emphasis on the choice of lignocellulosic substrates, pretreatment methods and types of microorganisms that have been used for optimal, ecological and economic production of ethanol. Also reviewed are the different methods used to improve microbiological lignocellulolytic enzymatic systems including the current status of the technology for bio-conversion of lignocellulose residues by microorganisms (particularly yeasts and fungi), with focus on the most economical and eco-friendly method for ethanol production. Although the production of bioethanol offers many benefits, more research is needed in the aspects like feedstock preparation, fermentation technology modification, etc., to make bioethanol more economically viable. This paper opined that lignocellulosic waste will become the main feedstock for ethanol production in the near future. Scaling up the production of lignocellulosic ethanol, however, requires further reduction of the production cost. Conclusively, the review suggested that in order to improve the technology and reduce the production cost, two major issues have to be addressed: i) improving technologies to overcome the recalcitrance of cellulosic biomass conversion (pretreatment, hydrolysis and fermentation) and ii) sustainable production of biomass in very large amounts.

DOI 10.11648/j.ijnrem.20160103.18
Published in International Journal of Natural Resource Ecology and Management (Volume 1, Issue 3, September 2016)
Page(s) 128-144
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

Lignocellulosic Wastes, Biomass, Bio-Ethanol, Economical, Environmental, Biotechnological

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    Sokan-Adeaga Adewale Allen, Ana Godson R. E. E., Sokan-Adeaga Micheal Ayodeji, Sokan-Adeaga Eniola Deborah. (2016). Lignocelluloses: An Economical and Ecological Resource for Bio-Ethanol Production – A Review. International Journal of Natural Resource Ecology and Management, 1(3), 128-144. https://doi.org/10.11648/j.ijnrem.20160103.18

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    Sokan-Adeaga Adewale Allen; Ana Godson R. E. E.; Sokan-Adeaga Micheal Ayodeji; Sokan-Adeaga Eniola Deborah. Lignocelluloses: An Economical and Ecological Resource for Bio-Ethanol Production – A Review. Int. J. Nat. Resour. Ecol. Manag. 2016, 1(3), 128-144. doi: 10.11648/j.ijnrem.20160103.18

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    Sokan-Adeaga Adewale Allen, Ana Godson R. E. E., Sokan-Adeaga Micheal Ayodeji, Sokan-Adeaga Eniola Deborah. Lignocelluloses: An Economical and Ecological Resource for Bio-Ethanol Production – A Review. Int J Nat Resour Ecol Manag. 2016;1(3):128-144. doi: 10.11648/j.ijnrem.20160103.18

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  • @article{10.11648/j.ijnrem.20160103.18,
      author = {Sokan-Adeaga Adewale Allen and Ana Godson R. E. E. and Sokan-Adeaga Micheal Ayodeji and Sokan-Adeaga Eniola Deborah},
      title = {Lignocelluloses: An Economical and Ecological Resource for Bio-Ethanol Production – A Review},
      journal = {International Journal of Natural Resource Ecology and Management},
      volume = {1},
      number = {3},
      pages = {128-144},
      doi = {10.11648/j.ijnrem.20160103.18},
      url = {https://doi.org/10.11648/j.ijnrem.20160103.18},
      eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.ijnrem.20160103.18},
      abstract = {At present, the world is confronted with the twin crises of fossil fuel depletion and environmental degradation. This has made the search for alternative and renewable sources of energy inevitable. Today, examples of such efforts are seen in the production of biofuels from wastes of organic origin, often known as Lignocellulosic Biomass. Lignocellulosic wastes are generated during the industrial processing of agricultural products. These wastes are generated in large amounts throughout the year, and are the most abundant renewable resources on earth. Due to their large availability and composition rich in compounds they could be used in other processes, there is a great interest on the reuse of these wastes, both from economical and environmental viewpoints. This paper present a concise overview of lignocelluloses, their chemical composition, economical and biotechnological potentials in bio-ethanol production with special emphasis on the choice of lignocellulosic substrates, pretreatment methods and types of microorganisms that have been used for optimal, ecological and economic production of ethanol. Also reviewed are the different methods used to improve microbiological lignocellulolytic enzymatic systems including the current status of the technology for bio-conversion of lignocellulose residues by microorganisms (particularly yeasts and fungi), with focus on the most economical and eco-friendly method for ethanol production. Although the production of bioethanol offers many benefits, more research is needed in the aspects like feedstock preparation, fermentation technology modification, etc., to make bioethanol more economically viable. This paper opined that lignocellulosic waste will become the main feedstock for ethanol production in the near future. Scaling up the production of lignocellulosic ethanol, however, requires further reduction of the production cost. Conclusively, the review suggested that in order to improve the technology and reduce the production cost, two major issues have to be addressed: i) improving technologies to overcome the recalcitrance of cellulosic biomass conversion (pretreatment, hydrolysis and fermentation) and ii) sustainable production of biomass in very large amounts.},
     year = {2016}
    }
    

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  • TY  - JOUR
    T1  - Lignocelluloses: An Economical and Ecological Resource for Bio-Ethanol Production – A Review
    AU  - Sokan-Adeaga Adewale Allen
    AU  - Ana Godson R. E. E.
    AU  - Sokan-Adeaga Micheal Ayodeji
    AU  - Sokan-Adeaga Eniola Deborah
    Y1  - 2016/08/17
    PY  - 2016
    N1  - https://doi.org/10.11648/j.ijnrem.20160103.18
    DO  - 10.11648/j.ijnrem.20160103.18
    T2  - International Journal of Natural Resource Ecology and Management
    JF  - International Journal of Natural Resource Ecology and Management
    JO  - International Journal of Natural Resource Ecology and Management
    SP  - 128
    EP  - 144
    PB  - Science Publishing Group
    SN  - 2575-3061
    UR  - https://doi.org/10.11648/j.ijnrem.20160103.18
    AB  - At present, the world is confronted with the twin crises of fossil fuel depletion and environmental degradation. This has made the search for alternative and renewable sources of energy inevitable. Today, examples of such efforts are seen in the production of biofuels from wastes of organic origin, often known as Lignocellulosic Biomass. Lignocellulosic wastes are generated during the industrial processing of agricultural products. These wastes are generated in large amounts throughout the year, and are the most abundant renewable resources on earth. Due to their large availability and composition rich in compounds they could be used in other processes, there is a great interest on the reuse of these wastes, both from economical and environmental viewpoints. This paper present a concise overview of lignocelluloses, their chemical composition, economical and biotechnological potentials in bio-ethanol production with special emphasis on the choice of lignocellulosic substrates, pretreatment methods and types of microorganisms that have been used for optimal, ecological and economic production of ethanol. Also reviewed are the different methods used to improve microbiological lignocellulolytic enzymatic systems including the current status of the technology for bio-conversion of lignocellulose residues by microorganisms (particularly yeasts and fungi), with focus on the most economical and eco-friendly method for ethanol production. Although the production of bioethanol offers many benefits, more research is needed in the aspects like feedstock preparation, fermentation technology modification, etc., to make bioethanol more economically viable. This paper opined that lignocellulosic waste will become the main feedstock for ethanol production in the near future. Scaling up the production of lignocellulosic ethanol, however, requires further reduction of the production cost. Conclusively, the review suggested that in order to improve the technology and reduce the production cost, two major issues have to be addressed: i) improving technologies to overcome the recalcitrance of cellulosic biomass conversion (pretreatment, hydrolysis and fermentation) and ii) sustainable production of biomass in very large amounts.
    VL  - 1
    IS  - 3
    ER  - 

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

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

  • Department of Microbiology, Faculty of Sciences, Obafemi Awolowo University, Ile-Ife, Nigeria

  • Department of Physiology, Faculty of Basic Medical Sciences, Ladoke Akintola University of Technology, Ogbomosho, Nigeria

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