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Article

Hydrothermal Conversion of Spent Sugar Beets into High-Value Platform Molecules

1
Conversion Technologies of Biobased Resources, University of Hohenheim, Garbenstrasse 9, 70599 Stuttgart, Germany
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Department of Civil, Environmental and Mechanical Engineering, University of Trento, Via Mesiano 77, 38123 Trento, Italy
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School of Engineering and Materials Science, Queen Mary University of London, Mile End Road, London E1 4NS, UK
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Department of Chemical Engineering, Imperial College London, South Kensington, London SW7 2AZ, UK
*
Author to whom correspondence should be addressed.
Academic Editor: Silvia Roman Suero
Molecules 2020, 25(17), 3914; https://doi.org/10.3390/molecules25173914
Received: 27 July 2020 / Revised: 16 August 2020 / Accepted: 26 August 2020 / Published: 27 August 2020
(This article belongs to the Special Issue New Materials for a Sustainable Future)
The growing importance of bio-based products, combined with the desire to decrease the production of wastes, boosts the necessity to use wastes as raw materials for bio-based products. A waste material with a large potential is spent sugar beets, which are mainly used as animal feeds or fertilizers. After hydrothermal treatment, the produced chars exhibited an H/C ratio of 1.2 and a higher heating value of 22.7 MJ/kg, which were similar to that of subbituminous coal and higher than that of lignite. Moreover, the treatment of 25 g/L of glucose and 22 g/L of fructose by heating up to 160 °C led to a possible application of spent sugar beets for the production of 5-hydroxymethylfurfural. In the present study, the maximum concentration of 5-hydroxymethylfurfural was 3.4 g/L after heating up to 200 °C. View Full-Text
Keywords: agro-residues; sugar beets; biomass; hydrothermal carbonization; hydrolysis; sugars; HMF; hydrochar; biorefinery agro-residues; sugar beets; biomass; hydrothermal carbonization; hydrolysis; sugars; HMF; hydrochar; biorefinery
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MDPI and ACS Style

Pfersich, J.; Arauzo, P.J.; Lucian, M.; Modugno, P.; Titirici, M.-M.; Fiori, L.; Kruse, A. Hydrothermal Conversion of Spent Sugar Beets into High-Value Platform Molecules. Molecules 2020, 25, 3914. https://doi.org/10.3390/molecules25173914

AMA Style

Pfersich J, Arauzo PJ, Lucian M, Modugno P, Titirici M-M, Fiori L, Kruse A. Hydrothermal Conversion of Spent Sugar Beets into High-Value Platform Molecules. Molecules. 2020; 25(17):3914. https://doi.org/10.3390/molecules25173914

Chicago/Turabian Style

Pfersich, Jens, Pablo J. Arauzo, Michela Lucian, Pierpaolo Modugno, Maria-Magdalena Titirici, Luca Fiori, and Andrea Kruse. 2020. "Hydrothermal Conversion of Spent Sugar Beets into High-Value Platform Molecules" Molecules 25, no. 17: 3914. https://doi.org/10.3390/molecules25173914

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