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ECN publication
Modified organosolv as a fractionation process of lignocellulosic biomass for co-production of fuels and chemicals
Published by: Publication date:
ECN Biomass, Coal and Environmental Research 29-5-2008
ECN report number: Document type:
ECN-M--08-034 Conference Paper
Number of pages: Full text:
7 Download PDF  

Presented at: 16th European Biomass Conference & Exhibition, Valencia, Spain, 2-6 juni 2008.

Modified organosolv is a process by which lignocellulosic biomass can be fractionated into its three main constituents, i.e. hemicellulose, cellulose and lignin. In the process, lignocellulosic biomass is brought into contact with an organic solvent-water mixture at elevated temperature and pressure. Thus, lignin is extracted from the biomass and hemicellulose is hydrolysed, while the solid residue (mainly cellulose) is made more accessible for enzymatic hydrolysis in the subsequent process step. The goal is to achieve full fractionation of all biomass fractions, including lignin, in a sufficient quality for production of (bio)chemicals. In this work, the effect of process conditions applied, type of organic solvent and the use of catalysts is explored.

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