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Universität Rostock

1 ARTICLES PUBLISHED IN JoVE

JoVE Journal

Extraction of Lignin with High β-O-4 Content by Mild Ethanol Extraction and Its Effect on the Depolymerization Yield

Douwe S. Zijlstra¹, Alessandra de Santi², Bert Oldenburger^1,2, Johannes de Vries^2,3, Katalin Barta², Peter J. Deuss¹

¹Department of Chemical Engineering (ENTEG), University of Groningen, ²Stratingh Institute for Chemistry, University of Groningen, ³Leibniz-Insitut f ür Katalyse e.V., Universität Rostock

Here, we present a protocol to perform ethanol extraction of lignin from several biomass sources. The effect of the extraction conditions on the lignin yield and β-O-4 content are presented. Selective depolymerization is performed on the obtained lignins to obtain high aromatic monomer products.