Mapping thermomechanical pulp sludge (TMPS) biochar characteristics for greenhouse produce safety.

  title={Mapping thermomechanical pulp sludge (TMPS) biochar characteristics for greenhouse produce safety.},
  author={Ataullah Khan and Mohyuddin Mirza and Brian Fahlman and Ryan Rybchuk and Jing Yang and Don Harfield and Anthony O. Anyia},
  journal={Journal of agricultural and food chemistry},
  volume={63 5},
This study evaluates the existence of toxic compounds in thermomechanical pulp sludge (TMPS) derived biochars obtained through a slow pyrolysis process and establishes the criteria for manufacturing benign-quality biochar for safe greenhouse-based food production. Accordingly, nine TMPS biochars generated at different temperatures (450, 500, 550 °C) and residence times (30, 60, 120 min) were investigated. Depending on the production conditions, the polycyclic aromatic hydrocarbons (PAHs) sum… CONTINUE READING


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