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Efficient Conversion of Pine Wood Lignin to Phenol.


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?%.

SUBMITTER: Ouyang X 

PROVIDER: S-EPMC7187360 | biostudies-literature | 2020 Apr

REPOSITORIES: biostudies-literature

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Efficient Conversion of Pine Wood Lignin to Phenol.

Ouyang Xianhong X   Huang Xiaoming X   Boot Michael D MD   Hensen Emiel J M EJM  

ChemSusChem 20200310 7


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/SiO<sub>2</sub> catalyst was used to selectively remove methoxy groups in these lignin mono  ...[more]

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