Acceleration of Biochar Surface Oxidation during Composting?

  title={Acceleration of Biochar Surface Oxidation during Composting?},
  author={Katja Wiedner and Daniel Fischer and Sabine Christine Walther and Irene Criscuoli and F. Favilli and Oliver Nelle and B. Glaser},
  journal={Journal of agricultural and food chemistry},
  volume={63 15},
Biochar composting experiments were performed to determine whether composting is a suitable method to accelerate biochar surface oxidation for increasing its reactivity. To assess the results, surface properties of Terra Preta (Brazil) and ancient charcoal pit (Northern Italy) biochars were additionally investigated. Calculation of O/C ratios by energy-dispersive X-ray spectroscopy demonstrated the anticipated increasing values from fresh biochars (0.13) to composted biochars (0.40), and… CONTINUE READING
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