期刊
BIORESOURCE TECHNOLOGY
卷 102, 期 15, 页码 7371-7378出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.biortech.2011.04.050
关键词
Furfural; Xylose; Xylan; Straw biomass; Microwave-assisted reaction
资金
- Scientific and Technological and Research Council of Turkey (TUBITAK) [BIDEB-2219]
Furfural is a biomass derived-chemical that can be used to replace petrochemicals. In this study, the acid-catalyzed conversion of xylose and xylan to furfural by microwave-assisted reaction was investigated at selected ranges of temperature (140-190 degrees C), time (1-30 min), substrate concentration (1:5-1:200 solid:liquid ratio), and pH (2-0.13). We found that a temperature of 180 degrees C, a solid:liquid ratio of 1:200, a residence time of 20 min, and a pH of 1.12 gave the best furfural yields. The effect of different Bronsted acids on the conversion efficiency of xylose and xylan was also evaluated, with hydrochloric acid being found to be the most effective catalyst. The microwave-assisted process provides highly efficient conversion: furfural yields obtained from wheat straw, triticale straw, and flax shives were 48.4%, 45.7%, and 72.1%, respectively. Crown Copyright (C) 2011 Published by Elsevier Ltd. All rights reserved.
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