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Bioresour Technol. 2013 Aug;142:504-9. doi: 10.1016/j.biortech.2013.05.028. Epub 2013 May 16.

Synergic effect of methanol and water on pine liquefaction.

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  • 1Key Laboratory of Coal Processing and Efficient Utilization (Ministry of Education), China University of Mining & Technology, Xuzhou, Jiangsu 221116, China.


Pine liquefaction (PL) and re-liquefaction of its liquefaction residues in sub- and supercritical methanol, water or methanol/water mixed solvents (MWMSs) was investigated. The results show that isometric MWMS has the highest synergic effect on PL. Moreover, the total yield of bio-oil (BO) and conversion from pine and its residue both liquefied in the MWMS were obvious higher than those from PL in methanol (water) and re-liquefaction of its residue in water (methanol), suggesting that the interaction between the two solvents is responsible for synergic effect. This approach facilitates understanding the mechanism for biomass liquefaction in mixed solvents and developing efficient utilization process of biomass.

Copyright © 2013 Elsevier Ltd. All rights reserved.


Biomass; GC/MS analysis; Liquefaction; Mixed solvent; Synergic effect

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