Journal
GREEN CHEMISTRY
Volume 23, Issue 23, Pages 9401-9405Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/d1gc03079e
Keywords
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Funding
- Swedish Energy Agency
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The paper describes the process of organosolv pulping performed in a high-pressure Soxhlet extractor using carbon dioxide as a mild and recyclable acid. The system achieved a high yield of dissolving grade quality pulp from Populus trichocarpa and enabled reductive catalytic fractionation to obtain a lipophilic lignin oil without affecting the pulp's performance or purity.
Organosolv pulping performed in a high-pressure Soxhlet extractor using carbon dioxide as a mild and recyclable acid is described. The system reached a liquid to wood ratio of 6.6 yielding 43 wt% of dissolving grade quality pulp from Populus trichocarpa. The set-up enabled to run reductive catalytic fractionation to yield a lipophilic lignin oil without affecting the performance nor the purity of the final pulp.
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