Efficient conversion of pine wood lignin to phenol

Xianhong Ouyang, Xiaoming Huang (Corresponding author), Michael D. Boot, Emiel J.M. Hensen (Corresponding author)

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9 Citations (Scopus)
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Abstract

Obtaining chemical building blocks from biomass is attractive for meeting sustainability targets. Herein, an effective approach was developed to convert the lignin part of woody biomass into phenol, which is a valuable base chemical. Monomeric alkylmethoxyphenols were obtained from pinewood, rich in guaiacol‐type lignin, through Pt/C‐catalyzed reductive depolymerization. In a second step, an optimized MoP/SiO2 catalyst was used to selectively remove methoxy groups in these lignin monomers to generate 4‐alkylphenols, which were then dealkylated by zeolite‐catalyzed transalkylation to a benzene stream. The overall yield of phenol based on the initial lignin content in pinewood was 9.6 mol %.
Original languageEnglish
Pages (from-to)1705-1709
Number of pages5
JournalChemSusChem
Volume13
Issue number7
DOIs
Publication statusPublished - 7 Apr 2020

Keywords

  • biomass
  • demethoxylation
  • lignin-first
  • phenol
  • transalkylation

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