Effect of the temperature on the composition of lignin pyrolysis products

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Abstract

The temperature dependence of the pyrolysis products of two types of lignin (Alcell lignin and Asian lignin) was investigated using pyrolysis-gas chromatography-mass spectrometry (PyGC-MS). About 50 compounds were identified and quantified for each type of lignin over a temperature range of 400-800C. The maximum yield of phenolic compounds was obtained at 600C for both lignins, which was 17.2% for Alcell lignin and 15.5% for Asian lignin. Most of the phenolic compounds had an individual yield of less than 1%; however, for Alcell lignin, 5-hydroxyvanillin was the highest yield at 4.29 wt%on dry ash-free lignin, and for Asian lignin, 2-methoxy-4-vinylphenol was the highest yield at 4.15 wt % on dry ash-free lignin.
Original languageEnglish
Pages (from-to)4470-4475
Number of pages6
JournalEnergy and Fuels
Volume24
Issue number8
Early online date21 Jul 2010
DOIs
Publication statusPublished - 21 Jul 2010

Keywords

  • pyrolysis
  • temperature dependence
  • lignin
  • Alcell lignin
  • Asian lignin
  • pyrolysis−gas chromatography−mass spectrometry

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