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Thermal desorption of creosote remaining in used railroad ties: Investigation by TGA (thermogravimetric analysis) and Py-GC/MS (pyrolysis-gas chromatography/mass spectrometry)

Author

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  • Kim, Pyoungchung
  • Lloyd, Jeff
  • Kim, Jae-Woo
  • Labbé, Nicole

Abstract

A two-step thermal process, an initial thermal treatment at mild temperature followed by a fast pyrolysis step, was investigated to recover wood preservatives and produce preservatives-free wood for production of high quality bio-oil from used creosote-treated railroad ties. During the initial thermal treatment at temperature of 280 °C for 10–30 min, the treated wood ties underwent a 20–25% weight loss with energy yield (77–83%). Energy yield at 280 °C was lower than that at 200 and 250 °C (92–97%) but higher than that at the 300 °C (64–74%). Recovery level of creosote at 280 °C was comparable to that at 300 °C. Fast pyrolysis at 450 °C of the 280 °C-treated wood ties produced high amount of levoglucosan and phenolic compounds with a traceable amount (1.7–1.9% of the total peak area) of creosote compounds.

Suggested Citation

  • Kim, Pyoungchung & Lloyd, Jeff & Kim, Jae-Woo & Labbé, Nicole, 2016. "Thermal desorption of creosote remaining in used railroad ties: Investigation by TGA (thermogravimetric analysis) and Py-GC/MS (pyrolysis-gas chromatography/mass spectrometry)," Energy, Elsevier, vol. 96(C), pages 294-302.
    • Handle: RePEc:eee:energy:v:96:y:2016:i:c:p:294-302
    DOI: 10.1016/j.energy.2015.12.061
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    References listed on IDEAS

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    1. Jung, Su-Hwa & Koo, Won-Mo & Kim, Joo-Sik, 2013. "Fast pyrolysis of creosote treated wood ties in a fluidized bed reactor and analytical characterization of product fractions," Energy, Elsevier, vol. 53(C), pages 33-39.
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    Cited by:

    1. Adrian Knapczyk & Sławomir Francik & Marcin Jewiarz & Agnieszka Zawiślak & Renata Francik, 2020. "Thermal Treatment of Biomass: A Bibliometric Analysis—The Torrefaction Case," Energies, MDPI, vol. 14(1), pages 1-31, December.
    2. Fang, Shiwen & Yu, Zhaosheng & Ma, Xiaoqian & Lin, Yan & Chen, Lin & Liao, Yanfen, 2018. "Analysis of catalytic pyrolysis of municipal solid waste and paper sludge using TG-FTIR, Py-GC/MS and DAEM (distributed activation energy model)," Energy, Elsevier, vol. 143(C), pages 517-532.

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