Journal
ACS SUSTAINABLE CHEMISTRY & ENGINEERING
Volume 6, Issue 3, Pages 3367-3374Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acssuschemeng.7b03541
Keywords
Biomass; Pretreatment; Depolymerization; Catalysis; Poplar
Categories
Funding
- Great Lakes Bioenergy Research Center (Department of Energy Biological and Environmental Research Office of Science) [DE-FC02-07ER64494]
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Diverse lignin samples have been subjected to a catalytic aerobic oxidation process, followed by formic-acid-induced hydrolytic depolymerization. The yield of monomeric aromatic compounds varies depending on the lignin plant source and pretreatment method. The best results are obtained from poplar lignin isolated via a acidolysis pretreatment method, which gives 42 wt% yield of low-molecular-weight aromatics. Use of other pretreatment methods and/or use of maple and maize lignins afford yields of aromatics ranging from 3 to 31 wt%. These results establish useful references for the development of improved oxidation/depolymerization protocols.
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