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Elaboration and Characterization of a Biochar from Wastewater Sludge and Olive Mill Wastewater

Author

Listed:
  • Younes Gaga

    (Laboratory of Biotechnology, Conservation and Valorisation of Natural Resources (LBCVNR), Faculty of Sciences Dhar El Mahraz, Sidi Mohamed Ben Abdallah University, Fez 30000, Morocco)

  • Imane Mehdaoui

    (Laboratory of Electrochemistry, Modelisation and Environnment Engineering, Faculty of Sciences Dhar El Mahraz, Sidi Mohamed Ben Abdallah University, Fez 30000, Morocco)

  • Mohammed Kara

    (Laboratory of Biotechnology, Conservation and Valorisation of Natural Resources (LBCVNR), Faculty of Sciences Dhar El Mahraz, Sidi Mohamed Ben Abdallah University, Fez 30000, Morocco)

  • Amine Assouguem

    (Laboratory of Functional Ecology and Environment, Faculty of Sciences and Technology, Sidi Mohamed Ben Abdellah University, Fez 30000, Morocco
    Laboratory of Applied Organic Chemistry, Faculty of Sciences and Technology, Sidi Mohamed Ben Abdellah University, Imouzzer Street, Fez 30000, Morocco)

  • Abdulrahman Al-Hashimi

    (Department of Botany and Microbiology, College of Science, King Saud University, Riyadh 11451, Saudi Arabia)

  • Mohamed Ragab AbdelGawwad

    (Genetics and Bioengineering, Faculty of Engineering and Natural Sciences, International University of Sarajevo, 71210 Sarajevo, Bosnia and Herzegovina)

  • Mohamed S. Elshikh

    (Department of Botany and Microbiology, College of Science, King Saud University, Riyadh 11451, Saudi Arabia)

  • El Mokhtar Saoudi Hassani

    (Laboratory of Electrochemistry, Modelisation and Environnment Engineering, Faculty of Sciences Dhar El Mahraz, Sidi Mohamed Ben Abdallah University, Fez 30000, Morocco)

  • Mona S. Alwahibi

    (Department of Botany and Microbiology, College of Science, King Saud University, Riyadh 11451, Saudi Arabia)

  • Jamila Bahhou

    (Laboratory of Biotechnology, Conservation and Valorisation of Natural Resources (LBCVNR), Faculty of Sciences Dhar El Mahraz, Sidi Mohamed Ben Abdallah University, Fez 30000, Morocco)

  • Mustapha Taleb

    (Laboratory of Electrochemistry, Modelisation and Environnment Engineering, Faculty of Sciences Dhar El Mahraz, Sidi Mohamed Ben Abdallah University, Fez 30000, Morocco)

  • Zakia Rais

    (Laboratory of Electrochemistry, Modelisation and Environnment Engineering, Faculty of Sciences Dhar El Mahraz, Sidi Mohamed Ben Abdallah University, Fez 30000, Morocco)

Abstract

The objective of this study is to valorize two waste products which, until now, caused major problems concerning their management and impacts on the environment and health. This study concerns the sludge of the wastewater treatment station of the city of Fez-Morocco and the olive mill wastewater, which are produced, respectively, in quantities of around 51,100 t/year and 514,350 m 3 /year, by pyrolysis for the production of biochar. The obtained biochar was characterized by physicochemical and spectroscopic analyses. The results show that the biochar is close to neutrality and is characterized by an important organic and mineral load; further, it is endowed with a porous surface, which could facilitate the adsorption of different polluting substances, composed mainly by micropores. It is mainly composed of alcohol, phenol, carboxyl and phenyl groups, as well as other mineral elements including silica and calcite. The composition, structure and morphology of the biochar thus prepared recommend its use in various fields, such as the treatment of pollutants, organic amendment, the reinforcement of polymers and as a secondary building material.

Suggested Citation

  • Younes Gaga & Imane Mehdaoui & Mohammed Kara & Amine Assouguem & Abdulrahman Al-Hashimi & Mohamed Ragab AbdelGawwad & Mohamed S. Elshikh & El Mokhtar Saoudi Hassani & Mona S. Alwahibi & Jamila Bahhou , 2023. "Elaboration and Characterization of a Biochar from Wastewater Sludge and Olive Mill Wastewater," Sustainability, MDPI, vol. 15(3), pages 1-14, January.
    • Handle: RePEc:gam:jsusta:v:15:y:2023:i:3:p:2409-:d:1050351
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    References listed on IDEAS

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    1. Akhtar, Saqib Saleem & Andersen, Mathias Neumann & Liu, Fulai, 2015. "Residual effects of biochar on improving growth, physiology and yield of wheat under salt stress," Agricultural Water Management, Elsevier, vol. 158(C), pages 61-68.
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