期刊
JOURNAL OF CLEANER PRODUCTION
卷 204, 期 -, 页码 888-895出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.jclepro.2018.09.066
关键词
Biorefinery; Continuous process; Glycolaldehyde; Lignin; Supercritical fluids
资金
- Spanish Ministry of Economy and Competitiveness [CTQ2013-44143-R, CTQ2016-79777-R]
- Junta de Castilla y Leon
Sugar beet pulp (SBP) is the major by-product in sugar industry. To make profit out of this undervalued residue, the FASTSUGARS process was proposed as a solution, combining the advantages of supercritical water as hydrolysis medium with very short reaction times in the so-called ultrafast reactors. Operating at 390 degrees C, 25 MPa and reaction times between 0.11 and 1.15 s it was possible to convert SBP into sugars and to obtain a lignin-like solid fraction. The highest yields of C-6 and C-5 sugars (61 and 71% w/w, respectively) were obtained at 0.11 s with the lowest yield of degradation products. The solid product obtained at 0.14 s was thoroughly analyzed by acid hydrolysis, TGA and FTIR analysis to prove its enhanced thermal properties and aromaticity. The FASTSUGARS process demonstrated being a versatile and promising technology to be integrated in the future biorefineries. (C) 2018 Elsevier Ltd. All rights reserved.
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