A review of biochars' potential role in the remediation, revegetation and restoration of contaminated soils.

  title={A review of biochars' potential role in the remediation, revegetation and restoration of contaminated soils.},
  author={Luke Beesley and Eduardo Moreno-Jim{\'e}nez and Jose L. Gomez-Eyles and Eva Harris and Brett H. Robinson and Tom Sizmur},
  journal={Environmental pollution},
  volume={159 12},
Biochars are biological residues combusted under low oxygen conditions, resulting in a porous, low density carbon rich material. Their large surface areas and cation exchange capacities, determined to a large extent by source materials and pyrolysis temperatures, enables enhanced sorption of both organic and inorganic contaminants to their surfaces, reducing pollutant mobility when amending contaminated soils. Liming effects or release of carbon into soil solution may increase arsenic mobility… CONTINUE READING
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