Co- and Ca-phosphate-based catalysts for the depolymerization of organosolv eucalyptus lignin?

RSC Advances Pub Date: 2015-05-12 DOI: 10.1039/C5RA04286K

Abstract

Depolymerization of purified organosolv eucalyptus wood lignin by heterogeneous catalysts, cobalt polyphosphate (CoP2O6) and calcium phosphate (β-CaP2O6) was investigated. A total syringol yield of 16.7% was achieved with β-CaP2O6 in a methanol–water (50/50, w/w) solvent system after depolymerization at 300 °C for 1 h, showing the selectivity of the catalyst.

Graphical abstract: Co- and Ca-phosphate-based catalysts for the depolymerization of organosolv eucalyptus lignin
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