Issue 20, 2020
From the journal:

RSC Advances

Microwave-assisted catalytic conversion of glucose to 5-hydroxymethylfurfural using “three dimensional” graphene oxide hybrid catalysts†

Yui Hirano,*a   Jorge N. Beltramini,ab   Atsushi Mori,a   Manami Nakamura,a   Mohammad Razaul Karim, ORCID logo cd   Yang Kim,a   Masaaki Nakamuraa  and  Shinya Hayami ORCID logo *ae  

* Corresponding authors

a Department of Chemistry, Graduate School of Science and Technology, Kumamoto University, 2-39-1 Kurokami, Chuo-ku, Kumamoto 860-8555, Japan
E-mail: hayami@kumamoto-u.ac.jp

b Centre for Tropical Crops and Bio-Commodities, Queensland University of Technology, Brisbane, 4000, Australia

c Chemistry Department, King Abdulaziz University, Jeddah 21589, Saudi Arabia

d Department of Chemistry, School of Physical Sciences, Shahjalal University of Science and Technology, Sylhet-3114, Bangladesh

e Institute of Pulsed Power Science (IPPS), Kumamoto University, 2-39-1 Kurokami, Chuo-ku, Kumamoto 860-8555, Japan

Abstract

Hybrids of reduced graphene oxide (rGO) and metal/metal oxide (Pt, NiO/Ni(OH)2, CoO, Fe3O4) nano particle were prepared by reduction of graphene oxide (GO) and metal ion (Pt2+, Ni2+, Co2+, Fe2+) hybrids. The M-rGO hybrids (M = Pt, Ni–, Co and Fe) were justified for the transformation of glucose to 5-hydroxymethylfurfural (5-HMF). High glucose → 5-HMF conversion was yielded depending on the nature of the M-rGO catalyst. The Ni-rGO showed the highest 5-HMF yield. The conversion reaction tuned to the optimized state under a microwave-assisted reaction accomplished by using Ni-rGO. In such case, the conversion rate was 99% with a 5-HMF yield of 75%. In order to improve both the conversion and yield, NiGO-FD was prepared by a freeze-dry method. The NiGO-FD remarkably showed the highest conversion of 99% and 5-HMF yield of 95%. Beside the biomass transformation process, the physico-chemical strategy employed herein for multiplying the catalytic efficiency might be justified for catalyzing similar reactions.

Graphical abstract: Microwave-assisted catalytic conversion of glucose to 5-hydroxymethylfurfural using “three dimensional” graphene oxide hybrid catalysts

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DOI
https://doi.org/10.1039/D0RA01009J
Article type
Paper
Submitted
02 Feb 2020
Accepted
14 Mar 2020
First published
31 Mar 2020
This article is Open Access
Creative Commons BY-NC license

RSC Adv., 2020,10, 11727-11736

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Microwave-assisted catalytic conversion of glucose to 5-hydroxymethylfurfural using “three dimensional” graphene oxide hybrid catalysts

Y. Hirano, J. N. Beltramini, A. Mori, M. Nakamura, M. R. Karim, Y. Kim, M. Nakamura and S. Hayami, RSC Adv., 2020, 10, 11727 DOI: 10.1039/D0RA01009J

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