期刊
BIORESOURCE TECHNOLOGY
卷 172, 期 -, 页码 453-456出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.biortech.2014.09.026
关键词
Hemicellulose; Furfural; Organic solvent; Zeolite
资金
- Natural Science Foundation of China [21206184, 31370582]
- National High Technology Research and Development Program (863 program) of China [2012AA022301]
- Tianjin Key Laboratory of Pulp & Paper (Tianjin University of Science & Technology), PR China [201304]
This study aimed to produce furfural from waste aqueous hemicellulose solution of a hardwood kraft-based dissolving pulp production processing in a green method. The maximum furfural yield of 82.4% and the xylose conversion of 96.8% were achieved at 463 K, 1.0 g ZSM-5, 1.05 g NaCl and organic solvent-to-aqueous phase ratio of 30:15 (V/V) for 3 h. The furfural yield was just 51.5% when the same concentration of pure xylose solution was used. Under the optimized condition, furfural yield was still up to 67.1% even after the fifth reused of catalyst. Catalyst recycling study showed that ZSM-5 has a certain stability and can be efficiently reused. (C) 2014 Elsevier Ltd. All rights reserved.
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