Catalytic Conversion of Fructose and 5-Hydroxymethylfurfural into 2,5-Furandicarboxylic Acid over a Recyclable Fe₃O₄–CoO_x Magnetite Nanocatalyst

Abstract

A nano-Fe 3 O 4 -CoO x catalyst was prepared via a simple wet impregnation method. The nano-Fe 3 O 4 -CoO x catalyst showed good catalytic performance for the conversion of 5-hydroxymethylfurfural into 2, 5-furandicarboxylic acid (FDCA) with t-BuOOH as the oxidant. Several important reaction parameters were explored, with the highest FDCA yield of 68.6% obtained from HMF after 15 h at a reaction temperature of 80 o C. One-pot conversion of fructose into FDCA was also successful via two steps. Catalytic conversion of fructose over Fe 3 O 4 @SiO 2 -SO 3 H yielded 93.1% HMF, which was oxidized in-situ into FDCA with a yield of 59.8%. Furthermore, recycling of nano-Fe 3 O 4 -CoO x was accomplished with the help of a magnetic field. Nano-Fe 3 O 4 -CoO x showed high stability in the reaction process. The use of non-precious metals and no requirement of a base additive made this method much more economical and environmental-friendly.

Nanostructured Metal Catalysts for Selective Hydrogenation and Oxidation of Cellulosic Biomass to Chemicals

“…Hybrid Materials . Nano‐Fe 3 O 4 ‐CoO x catalyst, hybridized with SiO 2 ‐SO 3 H shell, displays enhanced sequential conversion activity (Scheme ) from fructose to FDCA . In particular, SiO 2 ‐SO 3 H shell materials catalyze dehydration of fructose to HMF (yield: 93.1 %), while CoO x sites promote subsequent oxidation reactions to form FDCA (yield: ∼60 %).…”

Functionalized silica nanoparticles for conversion of fructose to 5-hydroxymethylfurfural

“…Thus, carbon-neutral biomass resource has been regarding as the most promising alternative to the limited fossil resources for sustainable supply of liquid fuels and chemical intermediates. [3][4][5] As one of the most important biomass carbohydrate-derived chemicals, 5-hydroxymethylfurfural (5-HMF) has been considered as a versatile platform molecule because of its easily transformation to a variety of high value-added chemicals, such as, 2,5-dimethylfuran, [6,7] 2,5-diformylfuran, [8][9][10] 2,5-furandicarboxylic acid, [11][12][13] C 9 -C 15 alkanes [14] and others. [15] Therefore, the transformation of carbohydrates into 5-HMF is a key pathway in integrated utilization of biomass resource.…”

Catalytic Conversion of Biomass-derived Carbohydrates into 5-Hydroxymethylfurfural using a Strong Solid Acid Catalyst in Aqueous γ-Valerolactone

“…It can be used to produce many important chemicals, such as 2,5-diformylfuran (Zhang et al 2014b), 2,5-furandicarboxylic acid (Wang et al 2015), 1,6-hexanediol (Tuteja et al 2014), levulinic acid, and γ-valerolactone (Heeres et al 2009). HMF has built a bridge between raw biomass materials and liquid fuels or chemicals, and it has a large market potential with a promising future.…”