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Effect of Pyrolytic Temperature on Biochar’s Physicochemical Properties Under Sodium Carbonate Catalyst Impregnation from Green Pea Peels

Abstract

This study examined the influence of temperature on the physicochemical and morphological properties of biochar from green pea peels.Biochar was produced by thermal degradation of the feedstock under Na 2 CO 3 catalyst at temperatures of 300-800 C. Characterization techniques revealed the biochar's surface area increased from 0.6836 m 2 /g to a maximum of 683.2 m 2 /g, whereas the mean pore diameter decreased from 161.67 nm in GP300 to 2.1778 nm in GP800.Moreover, the high temperatures led to greater carbonization, aromatization, and stability.Additionally, the HHVs ranged from 16.56 to 23.6 MJ/kg compared with 15.50 MJ/kg in the feedstock, making the produced biochar materials highly suitable for multifaceted applications.

Research topics

  • Thermochemical Biomass Conversion Processes
  • Zeolite Catalysis and Synthesis
  • Catalysis for Biomass Conversion

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DOI: 10.3390/engproc2025117049

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