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Perspectives of Using Sewage Sludge Char in CO 2 Sequestration on Degraded and Brownfield Sites

Author

Listed:
  • Marcin Sajdak

    (Department of Air Protection, Faculty of Energy and Environmental Engineering, Silesian University of Technology in Gliwice, 44-100 Gliwice, Poland)

  • Monika Zajemska

    (Faculty of Production Engineering and Materials Technology, Czestochowa University of Technology, 19 Armii Krajowej Ave., 42-200 Czestochowa, Poland)

  • Miloud Ouadi

    (School of Chemical Engineering, University of Birmingham, Edgbaston, Birmingham B15 2TT, UK)

  • Walter Mucha

    (Department of Air Protection, Faculty of Energy and Environmental Engineering, Silesian University of Technology in Gliwice, 44-100 Gliwice, Poland)

  • Edyta Misztal

    (Institute of Energy and Fuel Processing Technology, Zamkowa 1, 41-803 Zabrze, Poland)

  • Celina Pieszko

    (Department of Inorganic Chemistry, Analytical Chemistry and Electrochemistry, Faculty of Chemistry, Silesian University of Technology in Gliwice, 44-100 Gliwice, Poland)

  • Grzegorz Gałko

    (Institute of Energy and Fuel Processing Technology, Zamkowa 1, 41-803 Zabrze, Poland)

Abstract

One of the greatest challenges humankind currently faces is global warming, mainly caused by greenhouse gas emissions. Here we have attempted to show how thermal conversion products, specifically from the pyrolysis of biomass wastes such as sewage sludge, can be used effectively and equivalently to sequester CO 2 in brownfield and degraded areas. Scenarios were devised that showed the significant potential for CO 2 sequestration in the form of biochar from sewage sludge deposited on degraded and brownfield areas. With the current amount of sludge production, such sludge could even be used in its entirety as a raw material in pyrolysis processes, where, in addition to the biochar, the heat necessary for drying the sludge could be generated and high-energy gas and liquid fractions could be obtained, which could be used to produce alternative fuels. It is therefore important to consider both the potential for CO 2 sequestration on degraded and brownfield sites and the potential for sludge disposal in Europe as viable options for reducing greenhouse gas emissions and promoting sustainable waste management practices.

Suggested Citation

  • Marcin Sajdak & Monika Zajemska & Miloud Ouadi & Walter Mucha & Edyta Misztal & Celina Pieszko & Grzegorz Gałko, 2023. "Perspectives of Using Sewage Sludge Char in CO 2 Sequestration on Degraded and Brownfield Sites," Energies, MDPI, vol. 16(9), pages 1-10, May.
    • Handle: RePEc:gam:jeners:v:16:y:2023:i:9:p:3945-:d:1141462
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