High efficient conversion of furfural to 2-methylfuran over Ni-Cu/Al2O3 catalyst with formic acid as a hydrogen donor

Fu, Zhaolin; Wang, Ze; Lin, Weigang; Song, Wenli; Li, Songgeng

doi:10.1016/j.apcata.2017.09.011

Cited by 108 publications

(61 citation statements)

References 46 publications

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“…A similar observation was reported by Fu et al. : close to 100 % selectivity to FA without extra hydrogen in 2‐propanol with a Ni‐Cu catalyst. Chang et al .…”

Section: Resultsmentioning

confidence: 99%

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Study of Ni, Pt, and Ru Catalysts on Wood‐based Activated Carbon Supports and their Activity in Furfural Conversion to 2‐Methylfuran

et al. 2018

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Bio‐based chemicals can be produced from furfural through hydrotreatment. In this study, 2‐methylfuran (MF), a potential biofuel component, was produced with Pt, Ru, and Ni catalysts supported on wood‐based activated carbons. The catalytic hydrotreatment experiments were conducted in a batch reactor at 210–240 °C with 2‐propanol as solvent and 40 bar H2 pressure. Two types of activated carbon supports were prepared by carbonization and activation of lignocellulosic biomass (forest‐residue‐based birch and spruce from Finland). Both types of activated carbons were suitable as catalyst supports, giving up to 100 % furfural conversions. The most important factors affecting the MF yield were the metal dispersion and particle size as well as reaction temperature. The highest observed MF yields were achieved with the noble metal catalysts with the highest dispersions at 240 °C after 120 min reaction time: 3 wt % Pt on spruce (MF yield of 50 %) and 3 wt % Ru on birch (MF yield of 49 %). Nickel catalysts were less active most likely owing to lower dispersions and incomplete metal reduction. Interesting results were obtained also with varying the metal loadings: the lower Pt loading (1.5 wt %) achieved almost the same MF yield as the 3 wt % catalysts, which can enable the production of MF with high yields and reduced catalyst costs. Based on this study, biomass‐based renewable activated carbons can be used as catalyst supports in furfural hydrotreatment with high conversions.

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“…A similar observation was reported by Fu et al. : close to 100 % selectivity to FA without extra hydrogen in 2‐propanol with a Ni‐Cu catalyst. Chang et al .…”

Section: Resultsmentioning

confidence: 99%

“…reported a furfural hydrotreatment study in the liquid phase by using a Cu‐Co catalyst on alumina and achieved a MF yield of over 80 %. Fu et al . studied MF production with a Ni‐Cu catalyst on activated carbon and alumina, and their highest yield was 91 % on activated carbon.…”

Section: Resultsmentioning

confidence: 99%

Study of Ni, Pt, and Ru Catalysts on Wood‐based Activated Carbon Supports and their Activity in Furfural Conversion to 2‐Methylfuran

et al. 2018

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“…Besides, it was revealed that C18 thiolate-modified Cu-Ni bimetallic catalyst could increase both reaction activity and hydrogenation selectivity. By adding formic acid as co-hydrogen donors, Fu et al achieved 92% MF yield with 10% Cu-10% Ni/Al 2 O 3 (Table 1 entry 21) [133]. Interestingly, CuNi alloy catalyst offered 95% of THFA yield with ethanol as solvent, while the major product was FA by using methanol as solvent [134].…”

Section: Introductionmentioning

confidence: 99%

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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“…Binary and ternary Cu-based systems for the HDO of FUR have been thoroughly researched, employing acidic materials such as H-ZSM-5, TiO 2 , SiO 2 , and Al 2 O 3 . [11,[13][14][15][16][17] Their role is to support mono-or bi-metallic catalysts [18][19][20][21] or to enhance the acidity of the catalyst at minor elemental composition. [9,22] From various combinations of metal, support, and sometimes promoter, we seek a simplistic binary catalyst system to allow for a straightforward investigation of the catalytic activity and the role of the support.…”

Section: Highly Active Mesoporous Cuà Al 2 O 3 Catalyst For the Hydromentioning

confidence: 99%

Highly Active Mesoporous Cu−Al₂O₃ Catalyst for the Hydrodeoxygenation of Furfural to 2‐methylfuran

et al. 2019

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While furfural has great potential as a platform chemical through diverse conversion pathways, 2‐methylfuran is one of the key components as a fuel additive and a precursor of derived biofuels. However, catalyst design to control reactivity of active species to furfural has been challenging. Herein, we demonstrate that a mesoporous Cu−Al2O3 catalyst prepared by solvent‐deficient precipitation shows the enhancement of furfural hydrodeoxygenation performance. Not only is the unique pore structure provided, but also the synergistic effects of improved Cu accessibility, co‐existence of Cu0/Cu+ states, and strong metal‐support interaction contribute to the superior activity and stability. Additionally, essential parameters for the synthesis and the test reaction are studied to improve the selectivity to 2‐methylfuran. The employed catalyst preparation method opens a new channel for tailoring the bifunctionality of supported Cu catalysts.

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High efficient conversion of furfural to 2-methylfuran over Ni-Cu/Al2O3 catalyst with formic acid as a hydrogen donor

Cited by 108 publications

References 46 publications

Study of Ni, Pt, and Ru Catalysts on Wood‐based Activated Carbon Supports and their Activity in Furfural Conversion to 2‐Methylfuran

Study of Ni, Pt, and Ru Catalysts on Wood‐based Activated Carbon Supports and their Activity in Furfural Conversion to 2‐Methylfuran

Recent Advances in Catalytic Hydrogenation of Furfural

Highly Active Mesoporous Cu−Al₂O₃ Catalyst for the Hydrodeoxygenation of Furfural to 2‐methylfuran

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High efficient conversion of furfural to 2-methylfuran over Ni-Cu/Al2O3 catalyst with formic acid as a hydrogen donor

Cited by 108 publications

References 46 publications

Study of Ni, Pt, and Ru Catalysts on Wood‐based Activated Carbon Supports and their Activity in Furfural Conversion to 2‐Methylfuran

Study of Ni, Pt, and Ru Catalysts on Wood‐based Activated Carbon Supports and their Activity in Furfural Conversion to 2‐Methylfuran

Recent Advances in Catalytic Hydrogenation of Furfural

Highly Active Mesoporous Cu−Al2O3 Catalyst for the Hydrodeoxygenation of Furfural to 2‐methylfuran

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Highly Active Mesoporous Cu−Al₂O₃ Catalyst for the Hydrodeoxygenation of Furfural to 2‐methylfuran