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Oxidation of Abattoir Wastewater Using Cobalt-Catalyzed Potassium Persulfate

Received: 23 November 2023     Accepted: 16 January 2024     Published: 13 March 2024
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Abstract

Abattoir wastewater (AWW) contains a high level of organic pollutants due to the presence of toxic contaminants such as blood, feces from animals, and detergents from cleaning activities. In this study, the wastewater from the slaughterhouse was treated with a cobalt-catalyzed persulfate oxidation reaction to determine how well persulfate works as an oxidant to get rid of and break down organic materials. The water tested had a high organic load (COD = 2100mg/L), a pH of 7.7, and a BOD of 800mg/L. Time (10–90min), temperature (25–75°C), acid content (0.5–2.5M), persulfate (0.025–0.1g), and cobalt catalyst (50–150 mg/L) were all evaluated as operational conditions. Temperature and acid content was found to have a positive effect on COD elimination while increasing the residence time. The reaction conditions were optimized at a constant dose of 0.3 g of potassium persulfate, 1 M acid concentration in 30 minutes, and a maximum temperature of 60°C. At optimum conditions, approximately 98.46% of the COD was removed. The COD elimination rate was 92.85% at a low amount of potassium persulfate (0.075g). The study concludes that the developed approach could be used to efficiently treat abattoir wastewater.

Published in American Journal of Chemical Engineering (Volume 12, Issue 1)
DOI 10.11648/j.ajche.20241201.12
Page(s) 6-12
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

Chemical Oxidation, Abattoir Treatment, COD, Wastewater, Cobalt

References
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Cite This Article
  • APA Style

    Olawumi, A. R., Ojo, A. A., Dikeagu, A. C., Oluwatobi, A. J. (2024). Oxidation of Abattoir Wastewater Using Cobalt-Catalyzed Potassium Persulfate. American Journal of Chemical Engineering, 12(1), 6-12. https://doi.org/10.11648/j.ajche.20241201.12

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    ACS Style

    Olawumi, A. R.; Ojo, A. A.; Dikeagu, A. C.; Oluwatobi, A. J. Oxidation of Abattoir Wastewater Using Cobalt-Catalyzed Potassium Persulfate. Am. J. Chem. Eng. 2024, 12(1), 6-12. doi: 10.11648/j.ajche.20241201.12

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    AMA Style

    Olawumi AR, Ojo AA, Dikeagu AC, Oluwatobi AJ. Oxidation of Abattoir Wastewater Using Cobalt-Catalyzed Potassium Persulfate. Am J Chem Eng. 2024;12(1):6-12. doi: 10.11648/j.ajche.20241201.12

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  • @article{10.11648/j.ajche.20241201.12,
      author = {Ayoola Rebecca Olawumi and Adebayo Albert Ojo and Ahuchaogu Chinedu Dikeagu and Akinola Joshua Oluwatobi},
      title = {Oxidation of Abattoir Wastewater Using Cobalt-Catalyzed Potassium Persulfate},
      journal = {American Journal of Chemical Engineering},
      volume = {12},
      number = {1},
      pages = {6-12},
      doi = {10.11648/j.ajche.20241201.12},
      url = {https://doi.org/10.11648/j.ajche.20241201.12},
      eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.ajche.20241201.12},
      abstract = {Abattoir wastewater (AWW) contains a high level of organic pollutants due to the presence of toxic contaminants such as blood, feces from animals, and detergents from cleaning activities. In this study, the wastewater from the slaughterhouse was treated with a cobalt-catalyzed persulfate oxidation reaction to determine how well persulfate works as an oxidant to get rid of and break down organic materials. The water tested had a high organic load (COD = 2100mg/L), a pH of 7.7, and a BOD of 800mg/L. Time (10–90min), temperature (25–75°C), acid content (0.5–2.5M), persulfate (0.025–0.1g), and cobalt catalyst (50–150 mg/L) were all evaluated as operational conditions. Temperature and acid content was found to have a positive effect on COD elimination while increasing the residence time. The reaction conditions were optimized at a constant dose of 0.3 g of potassium persulfate, 1 M acid concentration in 30 minutes, and a maximum temperature of 60°C. At optimum conditions, approximately 98.46% of the COD was removed. The COD elimination rate was 92.85% at a low amount of potassium persulfate (0.075g). The study concludes that the developed approach could be used to efficiently treat abattoir wastewater.
    },
     year = {2024}
    }
    

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  • TY  - JOUR
    T1  - Oxidation of Abattoir Wastewater Using Cobalt-Catalyzed Potassium Persulfate
    AU  - Ayoola Rebecca Olawumi
    AU  - Adebayo Albert Ojo
    AU  - Ahuchaogu Chinedu Dikeagu
    AU  - Akinola Joshua Oluwatobi
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    N1  - https://doi.org/10.11648/j.ajche.20241201.12
    DO  - 10.11648/j.ajche.20241201.12
    T2  - American Journal of Chemical Engineering
    JF  - American Journal of Chemical Engineering
    JO  - American Journal of Chemical Engineering
    SP  - 6
    EP  - 12
    PB  - Science Publishing Group
    SN  - 2330-8613
    UR  - https://doi.org/10.11648/j.ajche.20241201.12
    AB  - Abattoir wastewater (AWW) contains a high level of organic pollutants due to the presence of toxic contaminants such as blood, feces from animals, and detergents from cleaning activities. In this study, the wastewater from the slaughterhouse was treated with a cobalt-catalyzed persulfate oxidation reaction to determine how well persulfate works as an oxidant to get rid of and break down organic materials. The water tested had a high organic load (COD = 2100mg/L), a pH of 7.7, and a BOD of 800mg/L. Time (10–90min), temperature (25–75°C), acid content (0.5–2.5M), persulfate (0.025–0.1g), and cobalt catalyst (50–150 mg/L) were all evaluated as operational conditions. Temperature and acid content was found to have a positive effect on COD elimination while increasing the residence time. The reaction conditions were optimized at a constant dose of 0.3 g of potassium persulfate, 1 M acid concentration in 30 minutes, and a maximum temperature of 60°C. At optimum conditions, approximately 98.46% of the COD was removed. The COD elimination rate was 92.85% at a low amount of potassium persulfate (0.075g). The study concludes that the developed approach could be used to efficiently treat abattoir wastewater.
    
    VL  - 12
    IS  - 1
    ER  - 

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Author Information
  • Department of Chemistry, Federal University of Technology, Akure, Nigeria

  • Department of Chemistry, Federal University of Technology, Akure, Nigeria

  • Department of Agriculture, Food and Resource Sciences, University of Maryland Eastern Shore, Princess Anne, USA

  • Department of Natural Sciences, University of Maryland Eastern Shore, Princess Anne, USA

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