期刊
BIORESOURCE TECHNOLOGY
卷 86, 期 3, 页码 301-304出版社
ELSEVIER SCI LTD
DOI: 10.1016/S0960-8524(02)00173-6
关键词
sugarcane bagasse; fractionation; hydrothermal treatment; semi-batch reactor; cellulose; lignin; hemicellulose
Hydrothermal treatment of sugarcane bagasse was conducted using a semi-batch reactor to develop a new biomass fractionation method that has low impact in the environment. A continuously increasing temperature was used in this treatment. It was found that hemicellulose and lignin could be mainly extracted as a water-soluble fraction at 200-230 degreesC, while the cellulose fraction was hydrolyzed at higher temperatures (230-280 degreesC) or recovered as solid residue from this treatment. Detailed analyses of the solid residue indicated that the crystal structure and the chemical composition of the residue were in good accordance with those of untreated crystalline cellulose. These experimental and analytical findings show that this method is promising for removal of hemicellulose and lignin from woody biomass without any catalyst and organic solvent. (C) 2002 Elsevier Science Ltd. All rights reserved.
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