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Desorption of Phenols from Anion Exchange Resins after the Separation of Wood Pyrolysis Products

Replacing fossil resources with biomass for the production of chemicals is another step closer to a sustainable bio-economy. To make the production of biomass based chemicals economically feasible, several valuable products need to be obtained from a single feedstock in a bio-refinery. In our work the pyrolysis products obtained from wood are explored with a focus on the separation of particular groups of added value chemicals. Anion exchange resins can be used to separate carbohydrates from phenolics, by adsorbing the latter onto the resin, but further desorption is needed to obtain concentrated fractions of phenol derivatives.