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Biomass Charcoal Properties Changes during Storage

Abstract

In this work, effects of storage time and conditions on the properties of one woody charcoal were studied. Prior to the storage test, the untreated charcoal was characterized by thermogravimetry/mass spectrometry (TG/MS). Weight loss (TG) and evolution profile curves of selected gaseous products were obtained from charcoal pieces that have various appearances, apparent densities and sizes. The result implies that the charcoal pieces have experienced different carbonization conditions. The charcoal samples were collected during the storage test under well controlled conditions and further characterized. It was found that the volatile content of the collected charcoal samples decreases along the storage time. The ash content of sampled charcoal only changed slightly. Accordingly, the fixed carbon content of sampled charcoal decreased about 3% in comparison to the initially loaded untreated charcoal samples. Such decrease of fixed carbon content of charcoal during storage might cause considerable reduction of profitability for an industry that consumes large amounts of charcoal at a relatively high price.
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Category

Academic article

Language

English

Author(s)

  • Liang Wang
  • Eszter Barta-Rajnai
  • Kathryn Hu
  • Charissa Higashi
  • Øyvind Skreiberg
  • Morten Grønli
  • Zsuzsanna Czégény
  • Emma Jakab
  • Viktor Myrvågnes
  • Gabor Várhegyi
  • Michael Jerry Antal

Affiliation

  • SINTEF Energy Research / Termisk energi
  • Hungarian Academy of Sciences
  • Norwegian University of Science and Technology
  • Elkem AS
  • University of Hawaii at Manoa

Year

2017

Published in

Energy Procedia

Volume

105

Page(s)

830 - 835

View this publication at Norwegian Research Information Repository