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Advantages of dual CO2 & O2 adsorption model for assessment of micropore development in biochar during two-stage gasification

Author

Listed:
  • Korus, Agnieszka
  • Jagiello, Jacek
  • Jensen, Claus Dalsgaard
  • Sárossy, Zsuzsa
  • Ravenni, Giulia
  • Benedini, Lidia

Abstract

Residual biochar has the potential to replace commercial carbons even in highly specialised applications, presuming further advances in the engineered biochar production. Optimising biomass conversion requires dynamic feedback on the resultant char porosity, but investigation of pore size distribution (PSD) in pyrogenic carbons is challenging due to their extremely ultramicroporous nature. The most common probe molecule used in gas adsorption methods, N2, is often unable to access the narrowest pores, while CO2 can analyse only pores <10 Å.

Suggested Citation

  • Korus, Agnieszka & Jagiello, Jacek & Jensen, Claus Dalsgaard & Sárossy, Zsuzsa & Ravenni, Giulia & Benedini, Lidia, 2024. "Advantages of dual CO2 & O2 adsorption model for assessment of micropore development in biochar during two-stage gasification," Renewable Energy, Elsevier, vol. 225(C).
    • Handle: RePEc:eee:renene:v:225:y:2024:i:c:s0960148124003586
    DOI: 10.1016/j.renene.2024.120293
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