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Hydrogenation of 5-hydroxymethylfurfural into 2,5-bis(hydroxymethyl)furan over mesoporous Cu–Al2O3 catalyst: From batch to continuous processing

Authors
Kim, JinsungBathula, Hari BabuYun, SeokwonJo, YeonginLee, SoohyeonBaik, Joon HyunSuh, Young-Woong
Issue Date
Oct-2021
Publisher
Korean Society of Industrial Engineering Chemistry
Keywords
5-hydroxymethylfurfural; Continuous process; Copper; Hydrogenation; Solvent-deficient precipitation
Citation
Journal of Industrial and Engineering Chemistry, v.102, pp 186 - 194
Pages
9
Journal Title
Journal of Industrial and Engineering Chemistry
Volume
102
Start Page
186
End Page
194
URI
https://scholarworks.sookmyung.ac.kr/handle/2020.sw.sookmyung/146152
DOI
10.1016/j.jiec.2021.06.039
ISSN
1226-086X
1876-794X
Abstract
Biomass-derived monomers have received growing attention from sustainable polymer industry. Particularly, diol compounds can be formed from furfural (FAL) and 5-hydroxymethylfurfural (HMF). Herein, the mesoporous Cu–Al2O3 catalyst (meso-CuA) prepared by solvent-deficient precipitation was evaluated to be efficient in selective hydrogenation of FAL and HMF to furfuryl alcohol to 2,5-bis(hydroxymethyl)furan (BHMF), respectively, at temperatures of lower than 100 °C and high H2 pressures. Owing to unique pore structure and small-sized copper nanoparticles entangled with alumina, meso-CuA turned out to be superior to other supported Cu catalysts in the hydrogenation of HMF to BHMF. Moreover, meso-CuA showed highly durable performance at the BHMF yield of higher than 90% at 100 °C, 50 bar H2, and weight hourly space velocity of 0.2 h−1 over time-on-stream of 100 h. The stability was also confirmed with the HMF feed containing 1 wt% of water that proved to have more considerable effect than other possible impurities. Centering around a catalytic reactor packed with meso-CuA, a process scheme from HMF feed to pure BHMF solid was developed at a production scale of 100 kg per day. The present results can contribute to designing commercial process of BHMF production from HMF and further, real biomass. © 2021 The Korean Society of Industrial and Engineering Chemistry
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