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Biogas Purification by Alkali-based Column Washing Extracted from Wood Ash and Banana Stalks

Received: 16 April 2020     Accepted: 21 May 2020     Published: 4 June 2020
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Abstract

The production of biogas as an energy source from organic waste is a viable option for waste recovery and reduction of greenhouse gases. Before any use of biogas, however, hydrogen sulfide and carbon must be removed to preserve consumer health and the life of the equipment. In this work, we were talking about purifying the biogas by washing on a column with an alkali solution produced from wood ash and ash from the wood stalk. To do this, a functional analysis of the purification system was made. After characterization of the samples, the alkalis were extracted, which were subsequently characterized. The next step was to carry out biogas purification tests from the alkali crystals. The extraction yield of alkali is 7% for the ash of meat grillers and 12% with the ash of banana stalk. The biogas was washed with an alkali concentration of 0.1 g/ml. The optimal residence time offering the best washing is 23 min for CO2 and 32 min for H2S. This study found that the alkali on the banana boom is better. During the washing test, a CO2 absorption capacity of 4.52g/ml of the alkali solution and 20.45 ppm / ml of H2S was recorded. By making an extrapolation It follows that for these quantities of CO2 and H2S absorbed per milliliter, during a domestic installation, for a volume of alkali of 1000 ml, we will have a volume of CO2 of 2,53m3 and a biogas volume of 6.33 m3.

Published in Science Journal of Energy Engineering (Volume 8, Issue 1)
DOI 10.11648/j.sjee.20200801.12
Page(s) 6-14
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), 2020. Published by Science Publishing Group

Keywords

Alkali, Banana Stalks, Biogas, Purification, Wood Ash

References
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Cite This Article
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    Paul Nestor Djomou Djonga, Jeanne Atchana, Alexis Nankap, Fabrice Kwefeu Mbakop, Raphael Djackba, et al. (2020). Biogas Purification by Alkali-based Column Washing Extracted from Wood Ash and Banana Stalks. Science Journal of Energy Engineering, 8(1), 6-14. https://doi.org/10.11648/j.sjee.20200801.12

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    ACS Style

    Paul Nestor Djomou Djonga; Jeanne Atchana; Alexis Nankap; Fabrice Kwefeu Mbakop; Raphael Djackba, et al. Biogas Purification by Alkali-based Column Washing Extracted from Wood Ash and Banana Stalks. Sci. J. Energy Eng. 2020, 8(1), 6-14. doi: 10.11648/j.sjee.20200801.12

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    AMA Style

    Paul Nestor Djomou Djonga, Jeanne Atchana, Alexis Nankap, Fabrice Kwefeu Mbakop, Raphael Djackba, et al. Biogas Purification by Alkali-based Column Washing Extracted from Wood Ash and Banana Stalks. Sci J Energy Eng. 2020;8(1):6-14. doi: 10.11648/j.sjee.20200801.12

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  • @article{10.11648/j.sjee.20200801.12,
      author = {Paul Nestor Djomou Djonga and Jeanne Atchana and Alexis Nankap and Fabrice Kwefeu Mbakop and Raphael Djackba and Abel Tame},
      title = {Biogas Purification by Alkali-based Column Washing Extracted from Wood Ash and Banana Stalks},
      journal = {Science Journal of Energy Engineering},
      volume = {8},
      number = {1},
      pages = {6-14},
      doi = {10.11648/j.sjee.20200801.12},
      url = {https://doi.org/10.11648/j.sjee.20200801.12},
      eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.sjee.20200801.12},
      abstract = {The production of biogas as an energy source from organic waste is a viable option for waste recovery and reduction of greenhouse gases. Before any use of biogas, however, hydrogen sulfide and carbon must be removed to preserve consumer health and the life of the equipment. In this work, we were talking about purifying the biogas by washing on a column with an alkali solution produced from wood ash and ash from the wood stalk. To do this, a functional analysis of the purification system was made. After characterization of the samples, the alkalis were extracted, which were subsequently characterized. The next step was to carry out biogas purification tests from the alkali crystals. The extraction yield of alkali is 7% for the ash of meat grillers and 12% with the ash of banana stalk. The biogas was washed with an alkali concentration of 0.1 g/ml. The optimal residence time offering the best washing is 23 min for CO2 and 32 min for H2S. This study found that the alkali on the banana boom is better. During the washing test, a CO2 absorption capacity of 4.52g/ml of the alkali solution and 20.45 ppm / ml of H2S was recorded. By making an extrapolation It follows that for these quantities of CO2 and H2S absorbed per milliliter, during a domestic installation, for a volume of alkali of 1000 ml, we will have a volume of CO2 of 2,53m3 and a biogas volume of 6.33 m3.},
     year = {2020}
    }
    

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  • TY  - JOUR
    T1  - Biogas Purification by Alkali-based Column Washing Extracted from Wood Ash and Banana Stalks
    AU  - Paul Nestor Djomou Djonga
    AU  - Jeanne Atchana
    AU  - Alexis Nankap
    AU  - Fabrice Kwefeu Mbakop
    AU  - Raphael Djackba
    AU  - Abel Tame
    Y1  - 2020/06/04
    PY  - 2020
    N1  - https://doi.org/10.11648/j.sjee.20200801.12
    DO  - 10.11648/j.sjee.20200801.12
    T2  - Science Journal of Energy Engineering
    JF  - Science Journal of Energy Engineering
    JO  - Science Journal of Energy Engineering
    SP  - 6
    EP  - 14
    PB  - Science Publishing Group
    SN  - 2376-8126
    UR  - https://doi.org/10.11648/j.sjee.20200801.12
    AB  - The production of biogas as an energy source from organic waste is a viable option for waste recovery and reduction of greenhouse gases. Before any use of biogas, however, hydrogen sulfide and carbon must be removed to preserve consumer health and the life of the equipment. In this work, we were talking about purifying the biogas by washing on a column with an alkali solution produced from wood ash and ash from the wood stalk. To do this, a functional analysis of the purification system was made. After characterization of the samples, the alkalis were extracted, which were subsequently characterized. The next step was to carry out biogas purification tests from the alkali crystals. The extraction yield of alkali is 7% for the ash of meat grillers and 12% with the ash of banana stalk. The biogas was washed with an alkali concentration of 0.1 g/ml. The optimal residence time offering the best washing is 23 min for CO2 and 32 min for H2S. This study found that the alkali on the banana boom is better. During the washing test, a CO2 absorption capacity of 4.52g/ml of the alkali solution and 20.45 ppm / ml of H2S was recorded. By making an extrapolation It follows that for these quantities of CO2 and H2S absorbed per milliliter, during a domestic installation, for a volume of alkali of 1000 ml, we will have a volume of CO2 of 2,53m3 and a biogas volume of 6.33 m3.
    VL  - 8
    IS  - 1
    ER  - 

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Author Information
  • Department of Chemistry, Faculty of Science, University of Maroua, Maroua, Cameroon

  • Department of Chemistry, Faculty of Science, University of Maroua, Maroua, Cameroon

  • Department of Economics, University Institute of Sciences, Technologies and Ethics, Yaounde, Cameroon

  • Department of Economics, University Institute of Sciences, Technologies and Ethics, Yaounde, Cameroon

  • Department of Chemistry, Faculty of Science, University of Maroua, Maroua, Cameroon

  • Department of Inorganic Chemistry, University of Yaounde I, Yaounde, Cameroon

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