Method for Biochar Passivation Using Low Percent Oxygen

Kristin Smith, Daniel Dupuis, Esther Wilcox

Research output: NRELPoster


The thermochemical process development unit may be configured for pyrolysis or gasification. The pyrolysis unit operations include: feed transport system; entrained flow reactor; solids removal and collection; and liquid scrubbing, collection, and filtration. Char accumulates in the collection drums at a rate of ~1.5 kg/hr and must be passivated before it is stored or transported.
Original languageAmerican English
StatePublished - 2016

Publication series

NamePresented at the 24th European Biomass Conference & Exhibition (EUBCE 2016), 6-9 June 2016, Amsterdam, The Netherlands

NREL Publication Number

  • NREL/PO-5100-66563


  • biochar
  • biomass
  • char
  • passivation
  • pilot plant
  • pyrolysis
  • thermochemical


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