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Title: Quantitative industrial Analysis of Lignocellulosic Composition in Typical Agro- Residues and Extraction of Inner Hemicelluloses with Ionic Liquid
Authors: Yao, Shun
Yang, Ying-ying
Song, Hang
Wang, Yan
Wan, Hai-qing
Keywords: Agro-industrial residues;Lignocelluloses;Hemicelluloses;Ionic liquid
Issue Date: Jan-2015
Publisher: NISCAIR-CSIR, India
Abstract: The contents of cellulose, hemicelluloses and lignin were first analyzed and compared in three agro-industrial residues; and then a new method was developed to extract hemicelluloses with ionic liquid. The study investigated the effect of the extraction conditions and optimized them by Box-Behnken experiment design. When the ionic liquid concentration was 30.08 %, temperature was 90.31 °C, reaction time was 4.10 h and the ratio of liquid/solid was 25.97, the yield of hemicelluloses could reach 52.02 %. The green extraction solvent could be efficiently recycled for five times. Moreover, the chemical structure and thermal stability of obtained hemicelluloses were characterized.
Page(s): 58-63
ISSN: 0975-1084 (Online); 0022-4456 (Print)
Appears in Collections:JSIR Vol.74(01) [January 2015]

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