Wood liquefaction in supercritical alcohol
- Wood liquefaction in supercritical alcohol
- 스테펜 브랜드; 김재훈
- Issue Date
- 10th International Symposium on Supercritical Fluids
- Liquefaction of biomass is a promising technology for the substitution of crude oil in the following decades. In this work, we investigate the influence of several process parameters on the liquefaction of lignocelluloses (pine wood) in supercritical alcohol. The utilization of supercritical alcohol as a solvent has the benefits of not only acting as a solvent but also as H-donor and reactant in form of hydroxyalkylation and deoxygenation reactions.
The experiments were carried out in a 160 ml batch-type reactor. The investigated parameters include physical parameters such as reaction temperature, pressure and reaction times as well as chemical parameters such as the influence of atmosphere (reducing/inert), catalyst (homogeneous, heterogeneous) and mixing ratios (Biomass/solvent/Catalyst). The resulting products (s/l/g) have been evaluated by quality and quantity in order to get a full picture for the liquefaction of pine wood. High biocrude yields (> 60 wt%) and biomass conversion (> 95%) were achieved.
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