articleTransactions of the ASABEJan 1, 2008Closed access

Effect of Low-Temperature Pyrolysis Conditions on Biochar for Agricultural Use

JWJulia W. GaskinCSChristoph SteinerKMK. M. HarrisKCK. C. DasBBB. Bibens
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Abstract

The removal of crop residues for bio-energy production reduces the formation of soil organic carbon (SOC) and therefore can have negative impacts on soil fertility. Pyrolysis (thermoconversion of biomass under anaerobic conditions) generates liquid or gaseous fuels and a char (biochar) recalcitrant against decomposition. Biochar can be used to increase SOC and cycle nutrients back into agricultural fields. In this case, crop residues can be used as a potential energy source as well as to sequester carbon (C) and improve soil quality. To evaluate the agronomic potential of biochar, we analyzed biochar produced from poultry litter, peanut hulls, and pine chips produced at 400C and 500C with or without steam…

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Topics
Keywords
  • Biochar
  • Pyrolysis
  • Poultry litter
  • Slash-and-char
  • Raw material
  • Charcoal
  • Chemistry
  • Nutrient
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