Kraft Lignin Depolymerization Under Hydrothermal Conditions

Source: AIChE
  • Type:
    Conference Presentation
  • Conference Type:
    AIChE Spring Meeting and Global Congress on Process Safety
  • Presentation Date:
    April 27, 2015
  • Duration:
    30 minutes
  • Skill Level:
    Intermediate
  • PDHs:
    0.50

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Kraft lignin depolymerization was conducted in water and mixture of water and alcohols with different ratios.  The highest lignin conversion yields obtained was 82%. Direct quantitative analysis of the depolymerized products by HPLC was completed without organic solvent extraction.  The yields for six standard compounds were obtained from the HPLC analyses. The paper also compared the yields of lignin depolymerization from hydrothermal processing and pyrolysis.

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