A mesoporous Ta2O5/Nb2O5 nanocomposite with Lewis/Brønsted acid sites to enhance stepwise glucose conversion to 5-hydroxymethylfurfural

Mahala, Sangeeta; Arumugam, Senthil Murugan; Kunchala, Ravi Kumar; Devi, Bhawana; Elumalai, Sasikumar

doi:10.1039/d4se00228h

Sustainable Energy Fuels

2024

DOI: 10.1039/d4se00228h

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A mesoporous Ta₂O₅/Nb₂O₅ nanocomposite with Lewis/Brønsted acid sites to enhance stepwise glucose conversion to 5-hydroxymethylfurfural

Sangeeta Mahala,

Senthil Murugan Arumugam,

Ravi Kumar Kunchala

et al.

Abstract: Herein, we report a higher formation of 5-hydroxymethylfurfural (HMF), a potential liquid fuel precursor, using glucose over a bifunctional Ta2O5/Nb2O5 composite. The mesoporous nanocomposite comprising 25% wt. Nb2O5 provides both...

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Cited by 4 publications

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One‐Pot, Solvent Free Synthesis of 2,5‐Furandicarboxylic Acid from Deep Eutectic Mixtures of Sugars as Mediated by Bifunctional Catalyst

Niakan,

Qian,

Zhou

2024

ChemSusChem

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Currently one‐pot conversion of sugars to 2,5‐furandicarboxylic acid (FDCA) is of significant interest due to the attainability of sugars as a feedstock and the enormous potential of FDCA as a bioplastic monomer. However, it remains challenging to construct efficient catalysts for this process. In this study, Co3O4 species were anchored to a sulfonated covalent organic framework thus affording a bifunctional catalyst (Co3O4@COF‐SO3H). The sulfonic acid sites dehydrate sugars to 5‐hydroxymethylfurfural (HMF), which is next oxidized to FDCA as catalyzed by the Co3O4 species. Such a process was applied in the conversion of various binary and ternary deep eutectic mixtures involving choline chloride and sugars without additional solvent. The maximum FDCA yield of 84% was obtained using glucose‐fructose eutectic mixture as the substrates. Moreover, the catalyst was recyclable and stable under the applied reaction conditions. Our process eliminates the employment of organic solvents and expensive noble metal catalysts, resulting in green and economic biomass conversions.

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One‐Pot, Solvent Free Synthesis of 2,5‐Furandicarboxylic Acid from Deep Eutectic Mixtures of Sugars as Mediated by Bifunctional Catalyst

Niakan,

Qian,

Zhou

2024

ChemSusChem

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In situ hydroprocessing of lignocellulosic biomass-derived molecules into fuels and chemicals using heterogeneous catalysts

Subha,

Krishan,

Sudarsanam

2024

Sustainable Energy Fuels

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Catalytic recycling of PET waste bottles into a value-added amide monomer using a heterogeneous niobium pentoxide nanocatalyst

Swapna,

Putla,

Ramesh

et al. 2024

Sustainable Energy Fuels

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A mesoporous Ta₂O₅/Nb₂O₅ nanocomposite with Lewis/Brønsted acid sites to enhance stepwise glucose conversion to 5-hydroxymethylfurfural

Abstract: Herein, we report a higher formation of 5-hydroxymethylfurfural (HMF), a potential liquid fuel precursor, using glucose over a bifunctional Ta2O5/Nb2O5 composite. The mesoporous nanocomposite comprising 25% wt. Nb2O5 provides both...

Cited by 4 publications

References 55 publications

One‐Pot, Solvent Free Synthesis of 2,5‐Furandicarboxylic Acid from Deep Eutectic Mixtures of Sugars as Mediated by Bifunctional Catalyst

One‐Pot, Solvent Free Synthesis of 2,5‐Furandicarboxylic Acid from Deep Eutectic Mixtures of Sugars as Mediated by Bifunctional Catalyst

In situ hydroprocessing of lignocellulosic biomass-derived molecules into fuels and chemicals using heterogeneous catalysts

Catalytic recycling of PET waste bottles into a value-added amide monomer using a heterogeneous niobium pentoxide nanocatalyst

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