Hydrogenation of Furfural as Model Reaction of Bio-Oil Stabilization under Mild Conditions Using Multiwalled Carbon Nanotube (MWNT)-Supported Pt Catalysts

Wang, Chuan; Guo, Zhen; Yang, Yanhui; Chang, Jie; Borgna, Armando

doi:10.1021/ie501057t

Cited by 43 publications

(27 citation statements)

References 33 publications

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“…The difference of furfural adsorption configurations on the catalyst obviously plays an important role on the hydrogenation selectivity. Even different supports and second metal introduction in Pt-based catalysts also showed a remarkable effect on furfural conversion and products selectivity, no apparent changes were found with Pt nanoparticle size ranged from 1.6 nm to 36.1 nm [97,140,165,[173][174][175], which means that the particle size of Pt has little effect on furfural hydrogenation selectivity. As an example, the use of Pt/SO4-ZrO2 catalyst gave rise to 47% of MF and 33% of furan as the main products at a temperature of 240 °C ( Table 5, entry 2).…”

Section: Pt Based Catalystsmentioning

confidence: 93%

Recent Advances in Catalytic Hydrogenation of Furfural

et al. 2019

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Furfural has been considered as one of the most promising platform molecules directly derived from biomass. The hydrogenation of furfural is one of the most versatile reactions to upgrade furanic components to biofuels. For instance, it can lead to plenty of downstream products, such as (tetrahydro)furfuryl alcohol, 2-methyl(tetrahydro)furan, lactones, levulinates, cyclopentanone(l), or diols, etc. The aim of this review is to discuss recent advances in the catalytic hydrogenation of furfural towards (tetrahydro)furfuryl alcohol and 2-methyl(tetrahydro)furan in terms of different non-noble metal and noble metal catalytic systems. Reaction mechanisms that are related to the different catalytic materials and reaction conditions are properly discussed. Selective hydrogenation of furfural could be modified not only by varying the types of catalyst (nature of metal, support, and preparation method) and reaction conditions, but also by altering the reaction regime, namely from batch to continuous flow. In any case, furfural catalytic hydrogenation is an open research line, which represents an attractive option for biomass valorization towards valuable chemicals and fuels.FA is a very important monomer for the synthesis of furan resins, which are widely used in thermoset polymer matrix composites, cements, adhesives, coatings, and casting/foundry resins. This molecule is also used as a non-reactive diluent for epoxy resin, a modifier for phenolic and urea resins, an oil well, and a carbon binder. Furthermore, the salt of FA is used in the synthesis of lysine, vitamin C, lubricants, and plasticizers [22,23]. Moreover, it should be highlighted that FA is also an important intermediate for the production of further hydrogenation products (as shown in Scheme 1), such as 2-methylfuran (MF), a potential alternative fuel with better combustion performance and higher Research Octane Number (RON = 103) than that of gasoline (RON = 96.8) [24]. In other applications, MF is used in perfume intermediates, chloroquine lateral chains in medical intermediates, and as a raw material for the production of chrysanthemate pesticides [25].Moreover, tetrahydrofurfuryl alcohol (THFA) can be used as a green solvent in the pharmaceutical industry and, in addition, it constitutes an outstanding intermediate to produce dihydropyran [26], pyridine [27], tetrahydrofuran, and pentan-1,5-diol [28][29][30]. Particularly, the latest molecule is an important monomer in the plastics industry. Furthermore, 2-methyltetrahydrofuran (MTHF) is quite engaging for its possible applications in organometallic chemistry, as well as in organic reactions that are related to organocatalysis, biotransformations, and biomass processing [31]. Catalysts 2019, 9, 796 3 of 33 Catalysts 2018, 8, x FOR PEER REVIEW 3 of 36 Scheme 1. Illustrative representation of reaction pathways in furfural hydrogenation.Other downstream products of furfural hydrogenation, such as (tetrahydro)furan [32], tetrahydrofurfural [33], lactones [34][35][36][37], levulinates [38,39], cyclopentanone...

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Section: Pt Based Catalystsmentioning

confidence: 93%

Recent Advances in Catalytic Hydrogenation of Furfural

et al. 2019

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“…The conversion pathway of lignin catalytic fast pyrolysis. Adapted with modification from [106]. lignin mainly forms coke [90].…”

Section: Catalytic Fast Pyrolysismentioning

confidence: 99%

Review of recent developments to improve storage and transportation stability of bio-oil

Yang

Kumar

Huhnke

2015

Renewable and Sustainable Energy Reviews

160

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“…Depending on the process conditions [11], the nature of the catalyst [12], and the type of the solvent [13], furfural hydrogenation proceeds through various pathways and with the formation of a significant number of products. A variety of heterogeneous catalysts mainly based on Pd [14,15], Pt [16], Ni [17], Cu [18], and Ru [19]. supported on carbon [20], titanium oxide [21], alumina [22], silica.…”

Section: Introductionmentioning

confidence: 99%

Capping Agent Effect on Pd-Supported Nanoparticles in the Hydrogenation of Furfural

et al. 2019

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The catalytic performance of a series of 1 wt % Pd/C catalysts prepared by the sol-immobilization method has been studied in the liquid-phase hydrogenation of furfural. The temperature range studied was 25–75 °C, keeping the H2 pressure constant at 5 bar. The effect of the catalyst preparation using different capping agents containing oxygen or nitrogen groups was assessed. Polyvinyl alcohol (PVA), polyvinylpyrrolidone (PVP), and poly (diallyldimethylammonium chloride) (PDDA) were chosen. The catalysts were characterized by ultraviolet-visible spectroscopy (UV-Vis), Fourier transform infrared spectroscopy (FTIR), transmission electron microscopy (TEM), and X-ray photoelectron spectroscopy (XPS). The characterization data suggest that the different capping agents affected the initial activity of the catalysts by adjusting the available Pd surface sites, without producing a significant change in the Pd particle size. The different activity of the three catalysts followed the trend: PdPVA/C > PdPDDA/C > PdPVP/C. In terms of selectivity to furfuryl alcohol, the opposite trend has been observed: PdPVP/C > PdPDDA/C > PdPVA/C. The different reactivity has been ascribed to the different shielding effect of the three ligands used; they influence the adsorption of the reactant on Pd active sites.

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Hydrogenation of Furfural as Model Reaction of Bio-Oil Stabilization under Mild Conditions Using Multiwalled Carbon Nanotube (MWNT)-Supported Pt Catalysts

Cited by 43 publications

References 33 publications

Recent Advances in Catalytic Hydrogenation of Furfural

Recent Advances in Catalytic Hydrogenation of Furfural

Review of recent developments to improve storage and transportation stability of bio-oil

Capping Agent Effect on Pd-Supported Nanoparticles in the Hydrogenation of Furfural

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