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Hydrothermal Carbonization vs. Pyrolysis: Effect on the Porosity of the Activated Carbon Materials

Author

Listed:
  • Ance Plavniece

    (Latvian State Institute of Wood Chemistry, Dzerbenes Str. 27, LV-1006 Riga, Latvia)

  • Galina Dobele

    (Latvian State Institute of Wood Chemistry, Dzerbenes Str. 27, LV-1006 Riga, Latvia)

  • Aleksandrs Volperts

    (Latvian State Institute of Wood Chemistry, Dzerbenes Str. 27, LV-1006 Riga, Latvia)

  • Aivars Zhurinsh

    (Latvian State Institute of Wood Chemistry, Dzerbenes Str. 27, LV-1006 Riga, Latvia)

Abstract

Porous carbon materials (specific area over 2400 m 2 g −1 ) were obtained from birch wood chips, the waste of its thermochemical processing water-insoluble lignocellulosic pyrolysis tar, and their mixture, by thermochemical activation with NaOH at 800 °C. Raw materials were carbonized by two methods: pyrolysis (500 °C) and hydrothermal (250 °C) treatment. The elemental and chemical composition of precursors and the effect of these parameters on the obtained carbon materials’ structure and porosity were studied. Results of the study showed that the carbonization method has little effect on the activated carbons’ specific surface area values; however, it allows for the regulation of pore size distribution.

Suggested Citation

  • Ance Plavniece & Galina Dobele & Aleksandrs Volperts & Aivars Zhurinsh, 2022. "Hydrothermal Carbonization vs. Pyrolysis: Effect on the Porosity of the Activated Carbon Materials," Sustainability, MDPI, vol. 14(23), pages 1-13, November.
    • Handle: RePEc:gam:jsusta:v:14:y:2022:i:23:p:15982-:d:989014
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    References listed on IDEAS

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    1. Rabinovich, Mikhail L. & Fedoryak, Olesya & Dobele, Galina & Andersone, Anna & Gawdzik, Barbara & Lindström, Mikael E. & Sevastyanova, Olena, 2016. "Carbon adsorbents from industrial hydrolysis lignin: The USSR/Eastern European experience and its importance for modern biorefineries," Renewable and Sustainable Energy Reviews, Elsevier, vol. 57(C), pages 1008-1024.
    2. Volperts, Aleksandrs & Plavniece, Ance & Dobele, Galina & Zhurinsh, Aivars & Kruusenberg, Ivar & Kaare, Kätlin & Locs, Janis & Tamasauskaite-Tamasiunaite, Loreta & Norkus, Eugenijus, 2019. "Biomass based activated carbons for fuel cells," Renewable Energy, Elsevier, vol. 141(C), pages 40-45.
    3. Kambo, Harpreet Singh & Dutta, Animesh, 2015. "A comparative review of biochar and hydrochar in terms of production, physico-chemical properties and applications," Renewable and Sustainable Energy Reviews, Elsevier, vol. 45(C), pages 359-378.
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    1. Asya İşçen & Kerem Öznacar & K. M. Murat Tunç & M. Erdem Günay, 2023. "Exploring the Critical Factors of Biomass Pyrolysis for Sustainable Fuel Production by Machine Learning," Sustainability, MDPI, vol. 15(20), pages 1-20, October.

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