Extraction of Humic Acid from Agricultural Crop Residues Conditioned with Cow Dung, Compost from Landfill and Human Waste

Antoinette Abijuru; Theoneste Bisangabagabo; Jean De Dieu Shema; Froduard Hitimana; Nestor Uwitonze

doi:doi:10.11648/j.ajpc.20211004.15

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Extraction of Humic Acid from Agricultural Crop Residues Conditioned with Cow Dung, Compost from Landfill and Human Waste

Antoinette Abijuru, Theoneste Bisangabagabo, Jean De Dieu Shema, Froduard Hitimana, Nestor Uwitonze

Published in American Journal of Physical Chemistry (Volume 10, Issue 4)

Received: 27 May 2021 Accepted: 29 June 2021 Published: 17 November 2021

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Abstract

Rwanda has various sources for humic substances that may be utilized for the large scale production of humic acid which can be used as soil amendment to enhance the plant growth. Humic substance is a dark colored fully decomposed remains of plant and animal organic matter through the process called humification. This work aims of finding the potential source of extracting humic acid for reducing environment pollution and increasing the yield from agriculture in any weather seasons The potential sources that were investigated in this study include 30:70 coffee husk and cow dung named as A, 70:30 coffee husk and cow dung named as C, 30:70 cow dung and rice husk named as B, compost from landfill named as LC and human waste named as HW. All tested samples were treated with 0.1M sodium hydroxide NaOH for dissolving all humic substances. Humic acid was recovered after all sources were allowed to be precipitated with concentrated hydrochloric acid (38%). Analysis was done with UV-visible spectrometer through determining E4/E6 ratio and concentration. Also masses were measured with electrical balance. The results shows that in all tested sample, landfill compost and 30:70 cow dung and rice husks have low E4/E4 which signify high degree of aromatic condensation, high molecular weight compared to the other sources these values are 4.31 and 4 respectively. The concentration also was found to be 770 ppm for landfill compost and 484.54ppm for 30:70 cow dung and rice husks. Finally, in all tested samples landfill compost (LC) and 30:70 cow dung and rice (B) husks found to be considered as potential source for production of humic acid compared to the tested potential source.

Published in	American Journal of Physical Chemistry (Volume 10, Issue 4)
DOI	10.11648/j.ajpc.20211004.15
Page(s)	81-87
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

Humic Acid, Landfill Compost, Coffee Husk, Rice Husk, Cow Dung

References

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[4]	I. S. Shamia, M. N. Halabi, and N. M. El-ashgar, ‘Humic Acid Determination in some Compost and Fertilizer Samples’, J. Nat. Stud., vol. 25, no. April, pp. 42–50, 2017.
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Antoinette Abijuru, Theoneste Bisangabagabo, Jean De Dieu Shema, Froduard Hitimana, Nestor Uwitonze. (2021). Extraction of Humic Acid from Agricultural Crop Residues Conditioned with Cow Dung, Compost from Landfill and Human Waste. American Journal of Physical Chemistry, 10(4), 81-87. https://doi.org/10.11648/j.ajpc.20211004.15

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ACS Style

Antoinette Abijuru; Theoneste Bisangabagabo; Jean De Dieu Shema; Froduard Hitimana; Nestor Uwitonze. Extraction of Humic Acid from Agricultural Crop Residues Conditioned with Cow Dung, Compost from Landfill and Human Waste. Am. J. Phys. Chem. 2021, 10(4), 81-87. doi: 10.11648/j.ajpc.20211004.15

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AMA Style

Antoinette Abijuru, Theoneste Bisangabagabo, Jean De Dieu Shema, Froduard Hitimana, Nestor Uwitonze. Extraction of Humic Acid from Agricultural Crop Residues Conditioned with Cow Dung, Compost from Landfill and Human Waste. Am J Phys Chem. 2021;10(4):81-87. doi: 10.11648/j.ajpc.20211004.15

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@article{10.11648/j.ajpc.20211004.15,
  author = {Antoinette Abijuru and Theoneste Bisangabagabo and Jean De Dieu Shema and Froduard Hitimana and Nestor Uwitonze},
  title = {Extraction of Humic Acid from Agricultural Crop Residues Conditioned with Cow Dung, Compost from Landfill and Human Waste},
  journal = {American Journal of Physical Chemistry},
  volume = {10},
  number = {4},
  pages = {81-87},
  doi = {10.11648/j.ajpc.20211004.15},
  url = {https://doi.org/10.11648/j.ajpc.20211004.15},
  eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.ajpc.20211004.15},
  abstract = {Rwanda has various sources for humic substances that may be utilized for the large scale production of humic acid which can be used as soil amendment to enhance the plant growth. Humic substance is a dark colored fully decomposed remains of plant and animal organic matter through the process called humification. This work aims of finding the potential source of extracting humic acid for reducing environment pollution and increasing the yield from agriculture in any weather seasons The potential sources that were investigated in this study include 30:70 coffee husk and cow dung named as A, 70:30 coffee husk and cow dung named as C, 30:70 cow dung and rice husk named as B, compost from landfill named as LC and human waste named as HW. All tested samples were treated with 0.1M sodium hydroxide NaOH for dissolving all humic substances. Humic acid was recovered after all sources were allowed to be precipitated with concentrated hydrochloric acid (38%). Analysis was done with UV-visible spectrometer through determining E4/E6 ratio and concentration. Also masses were measured with electrical balance. The results shows that in all tested sample, landfill compost and 30:70 cow dung and rice husks have low E4/E4 which signify high degree of aromatic condensation, high molecular weight compared to the other sources these values are 4.31 and 4 respectively. The concentration also was found to be 770 ppm for landfill compost and 484.54ppm for 30:70 cow dung and rice husks. Finally, in all tested samples landfill compost (LC) and 30:70 cow dung and rice (B) husks found to be considered as potential source for production of humic acid compared to the tested potential source.},
 year = {2021}
}

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TY  - JOUR
T1  - Extraction of Humic Acid from Agricultural Crop Residues Conditioned with Cow Dung, Compost from Landfill and Human Waste
AU  - Antoinette Abijuru
AU  - Theoneste Bisangabagabo
AU  - Jean De Dieu Shema
AU  - Froduard Hitimana
AU  - Nestor Uwitonze
Y1  - 2021/11/17
PY  - 2021
N1  - https://doi.org/10.11648/j.ajpc.20211004.15
DO  - 10.11648/j.ajpc.20211004.15
T2  - American Journal of Physical Chemistry
JF  - American Journal of Physical Chemistry
JO  - American Journal of Physical Chemistry
SP  - 81
EP  - 87
PB  - Science Publishing Group
SN  - 2327-2449
UR  - https://doi.org/10.11648/j.ajpc.20211004.15
AB  - Rwanda has various sources for humic substances that may be utilized for the large scale production of humic acid which can be used as soil amendment to enhance the plant growth. Humic substance is a dark colored fully decomposed remains of plant and animal organic matter through the process called humification. This work aims of finding the potential source of extracting humic acid for reducing environment pollution and increasing the yield from agriculture in any weather seasons The potential sources that were investigated in this study include 30:70 coffee husk and cow dung named as A, 70:30 coffee husk and cow dung named as C, 30:70 cow dung and rice husk named as B, compost from landfill named as LC and human waste named as HW. All tested samples were treated with 0.1M sodium hydroxide NaOH for dissolving all humic substances. Humic acid was recovered after all sources were allowed to be precipitated with concentrated hydrochloric acid (38%). Analysis was done with UV-visible spectrometer through determining E4/E6 ratio and concentration. Also masses were measured with electrical balance. The results shows that in all tested sample, landfill compost and 30:70 cow dung and rice husks have low E4/E4 which signify high degree of aromatic condensation, high molecular weight compared to the other sources these values are 4.31 and 4 respectively. The concentration also was found to be 770 ppm for landfill compost and 484.54ppm for 30:70 cow dung and rice husks. Finally, in all tested samples landfill compost (LC) and 30:70 cow dung and rice (B) husks found to be considered as potential source for production of humic acid compared to the tested potential source.
VL  - 10
IS  - 4
ER  -

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Author Information

Antoinette Abijuru

Department of Chemistry, School of Science, College of Science and Technology, University of Rwanda, Kigali, Rwanda
Theoneste Bisangabagabo

Department of Chemistry, School of Science, College of Science and Technology, University of Rwanda, Kigali, Rwanda
Jean De Dieu Shema

Department of Chemistry, School of Science, College of Science and Technology, University of Rwanda, Kigali, Rwanda
Froduard Hitimana

Department of Chemistry, School of Science, College of Science and Technology, University of Rwanda, Kigali, Rwanda
Nestor Uwitonze

Department of Chemistry, School of Science, College of Science and Technology, University of Rwanda, Kigali, Rwanda

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Antoinette Abijuru, Theoneste Bisangabagabo, Jean De Dieu Shema, Froduard Hitimana, Nestor Uwitonze. (2021). Extraction of Humic Acid from Agricultural Crop Residues Conditioned with Cow Dung, Compost from Landfill and Human Waste. American Journal of Physical Chemistry, 10(4), 81-87. https://doi.org/10.11648/j.ajpc.20211004.15

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ACS Style

Antoinette Abijuru; Theoneste Bisangabagabo; Jean De Dieu Shema; Froduard Hitimana; Nestor Uwitonze. Extraction of Humic Acid from Agricultural Crop Residues Conditioned with Cow Dung, Compost from Landfill and Human Waste. Am. J. Phys. Chem. 2021, 10(4), 81-87. doi: 10.11648/j.ajpc.20211004.15

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AMA Style

Antoinette Abijuru, Theoneste Bisangabagabo, Jean De Dieu Shema, Froduard Hitimana, Nestor Uwitonze. Extraction of Humic Acid from Agricultural Crop Residues Conditioned with Cow Dung, Compost from Landfill and Human Waste. Am J Phys Chem. 2021;10(4):81-87. doi: 10.11648/j.ajpc.20211004.15

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@article{10.11648/j.ajpc.20211004.15,
  author = {Antoinette Abijuru and Theoneste Bisangabagabo and Jean De Dieu Shema and Froduard Hitimana and Nestor Uwitonze},
  title = {Extraction of Humic Acid from Agricultural Crop Residues Conditioned with Cow Dung, Compost from Landfill and Human Waste},
  journal = {American Journal of Physical Chemistry},
  volume = {10},
  number = {4},
  pages = {81-87},
  doi = {10.11648/j.ajpc.20211004.15},
  url = {https://doi.org/10.11648/j.ajpc.20211004.15},
  eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.ajpc.20211004.15},
  abstract = {Rwanda has various sources for humic substances that may be utilized for the large scale production of humic acid which can be used as soil amendment to enhance the plant growth. Humic substance is a dark colored fully decomposed remains of plant and animal organic matter through the process called humification. This work aims of finding the potential source of extracting humic acid for reducing environment pollution and increasing the yield from agriculture in any weather seasons The potential sources that were investigated in this study include 30:70 coffee husk and cow dung named as A, 70:30 coffee husk and cow dung named as C, 30:70 cow dung and rice husk named as B, compost from landfill named as LC and human waste named as HW. All tested samples were treated with 0.1M sodium hydroxide NaOH for dissolving all humic substances. Humic acid was recovered after all sources were allowed to be precipitated with concentrated hydrochloric acid (38%). Analysis was done with UV-visible spectrometer through determining E4/E6 ratio and concentration. Also masses were measured with electrical balance. The results shows that in all tested sample, landfill compost and 30:70 cow dung and rice husks have low E4/E4 which signify high degree of aromatic condensation, high molecular weight compared to the other sources these values are 4.31 and 4 respectively. The concentration also was found to be 770 ppm for landfill compost and 484.54ppm for 30:70 cow dung and rice husks. Finally, in all tested samples landfill compost (LC) and 30:70 cow dung and rice (B) husks found to be considered as potential source for production of humic acid compared to the tested potential source.},
 year = {2021}
}

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TY  - JOUR
T1  - Extraction of Humic Acid from Agricultural Crop Residues Conditioned with Cow Dung, Compost from Landfill and Human Waste
AU  - Antoinette Abijuru
AU  - Theoneste Bisangabagabo
AU  - Jean De Dieu Shema
AU  - Froduard Hitimana
AU  - Nestor Uwitonze
Y1  - 2021/11/17
PY  - 2021
N1  - https://doi.org/10.11648/j.ajpc.20211004.15
DO  - 10.11648/j.ajpc.20211004.15
T2  - American Journal of Physical Chemistry
JF  - American Journal of Physical Chemistry
JO  - American Journal of Physical Chemistry
SP  - 81
EP  - 87
PB  - Science Publishing Group
SN  - 2327-2449
UR  - https://doi.org/10.11648/j.ajpc.20211004.15
AB  - Rwanda has various sources for humic substances that may be utilized for the large scale production of humic acid which can be used as soil amendment to enhance the plant growth. Humic substance is a dark colored fully decomposed remains of plant and animal organic matter through the process called humification. This work aims of finding the potential source of extracting humic acid for reducing environment pollution and increasing the yield from agriculture in any weather seasons The potential sources that were investigated in this study include 30:70 coffee husk and cow dung named as A, 70:30 coffee husk and cow dung named as C, 30:70 cow dung and rice husk named as B, compost from landfill named as LC and human waste named as HW. All tested samples were treated with 0.1M sodium hydroxide NaOH for dissolving all humic substances. Humic acid was recovered after all sources were allowed to be precipitated with concentrated hydrochloric acid (38%). Analysis was done with UV-visible spectrometer through determining E4/E6 ratio and concentration. Also masses were measured with electrical balance. The results shows that in all tested sample, landfill compost and 30:70 cow dung and rice husks have low E4/E4 which signify high degree of aromatic condensation, high molecular weight compared to the other sources these values are 4.31 and 4 respectively. The concentration also was found to be 770 ppm for landfill compost and 484.54ppm for 30:70 cow dung and rice husks. Finally, in all tested samples landfill compost (LC) and 30:70 cow dung and rice (B) husks found to be considered as potential source for production of humic acid compared to the tested potential source.
VL  - 10
IS  - 4
ER  -

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