Non-noble metal heterogeneous catalysts for hydrogen-driven deoxydehydration of vicinal diol compounds

Gan, Jianxing; Nakagawa, Yoshinao; Yabushita, Mizuho; Tomishige, Keiichi

doi:10.1039/d4gc02006e

Green Chem.

2024

DOI: 10.1039/d4gc02006e

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Non-noble metal heterogeneous catalysts for hydrogen-driven deoxydehydration of vicinal diol compounds

Jianxing Gan,

Yoshinao Nakagawa,

Mizuho Yabushita

et al.

Abstract: A non-noble metal catalyst, MoOx–Cu–Na/TiO2, was found to be highly efficient in the deoxydehydration (DODH) of vicinal diols into olefinic compounds.

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Cited by 2 publications

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Molybdenum‐Catalysed Deoxydehydration: Transforming Linear Aliphatic 1,2‐Diols into Terminal Alkenes

Peulecke,

Sadeghi,

Tin

2024

Adv Synth Catal

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Molybdenum‐Catalysed Deoxydehydration: Transforming Linear Aliphatic 1,2‐Diols into Terminal Alkenes

Peulecke,

Sadeghi,

Tin

2024

Adv Synth Catal

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Reusable ReO_x‐Pd/CeO₂ Catalyst with Low Metal Surface Concentration for Efficient Consecutive Deoxydehydration and Hydrogenation of Vicinal OH Groups

Larasati,

Nakagawa,

Yabushita

et al. 2024

Adv Energy and Sustain Res

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A strategy is proposed to enhance the stability and reusability of the ReOx‐Pd/CeO2 catalyst for the consecutive deoxydehydration and hydrogenation (DODH + HG) of biomass‐derived vicinal diols. A remarkable result involving a simultaneous enhancement of activity, stability, and regeneration ability of the catalyst is obtained by lowering the surface concentration of metals. Using erythritol as a model compound, DODH + HG over a low‐loading ReOx‐Pd/CeO2 can be completed much faster with a higher turnover number compared to the high‐loading standard catalyst. Moreover, a three‐fold decrease in deactivation rate is also obtained when shifting from a 2 wt% Re‐containing catalyst to a 0.5 wt% one, confirming the enhancement of stability. The regeneration of a low‐loading ReOx‐Pd/CeO2 (0.5 wt% Re) can be completely achieved via heat‐treatment under air in milder conditions at a temperature as low as 353 K. Based on Raman spectroscopy, no sign of polymeric ReOx could be detected on the surface of a spent ReOx‐Pd/CeO2 (0.5 wt% Re) after a simple oven drying under air, confirming the complete redispersion of the inactive species, which was previously traced as the main cause of catalyst deactivation in the catalyst with a higher metal loading.

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Non-noble metal heterogeneous catalysts for hydrogen-driven deoxydehydration of vicinal diol compounds

Abstract: A non-noble metal catalyst, MoOx–Cu–Na/TiO2, was found to be highly efficient in the deoxydehydration (DODH) of vicinal diols into olefinic compounds.

Cited by 2 publications

References 76 publications

Molybdenum‐Catalysed Deoxydehydration: Transforming Linear Aliphatic 1,2‐Diols into Terminal Alkenes

Molybdenum‐Catalysed Deoxydehydration: Transforming Linear Aliphatic 1,2‐Diols into Terminal Alkenes

Reusable ReO_x‐Pd/CeO₂ Catalyst with Low Metal Surface Concentration for Efficient Consecutive Deoxydehydration and Hydrogenation of Vicinal OH Groups

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Product

Resources

About

Non-noble metal heterogeneous catalysts for hydrogen-driven deoxydehydration of vicinal diol compounds

Abstract: A non-noble metal catalyst, MoOx–Cu–Na/TiO2, was found to be highly efficient in the deoxydehydration (DODH) of vicinal diols into olefinic compounds.

Cited by 2 publications

References 76 publications

Molybdenum‐Catalysed Deoxydehydration: Transforming Linear Aliphatic 1,2‐Diols into Terminal Alkenes

Molybdenum‐Catalysed Deoxydehydration: Transforming Linear Aliphatic 1,2‐Diols into Terminal Alkenes

Reusable ReOx‐Pd/CeO2 Catalyst with Low Metal Surface Concentration for Efficient Consecutive Deoxydehydration and Hydrogenation of Vicinal OH Groups

Contact Info

Product

Resources

About

Reusable ReO_x‐Pd/CeO₂ Catalyst with Low Metal Surface Concentration for Efficient Consecutive Deoxydehydration and Hydrogenation of Vicinal OH Groups