Biochar (Jun 2022)

Unraveling natural aging-induced properties change of sludge-derived hydrochar and enhanced cadmium sorption site heterogeneity

  • Bingyu Wang,
  • Cenyao Shang,
  • Huifang Xie,
  • Haijun Sun,
  • Qiang Zhang,
  • Lihong Xue,
  • Filip M. G. Tack,
  • Deyi Hou,
  • Yanfang Feng,
  • Jörg Rinklebe

DOI
https://doi.org/10.1007/s42773-022-00159-w
Journal volume & issue
Vol. 4, no. 1
pp. 1 – 20

Abstract

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Highlights Aged hydrochar undergoes surface oxidation, mineral complexation, and leaching. Ash content and SSA play the essential role in enhancing Cd sorption and site heterogeneity. Aging degree and sorption behavior differ markedly between pyrochar and hydrochar.

Keywords