Ceria–Zirconia Supported Platinum Catalysts for the Water-Gas Shift Reaction: The Influence of Support Composition

Gorlova, A. M.; Pakharukova, Vera P.; Стонкус, О. А.; Rogozhnikov, V.N.; Gladky, A. Yu.; Snytnikov, P.V.; Потемкин, Д.И.

doi:10.1134/s0023158423040031

Kinet Catal

2023

DOI: 10.1134/s0023158423040031

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Ceria–Zirconia Supported Platinum Catalysts for the Water-Gas Shift Reaction: The Influence of Support Composition

A. M. Gorlova

Vera P. Pakharukova

О. А. Стонкус

et al.

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Cited by 4 publications

References 42 publications

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Ultrasmall Fe₃O₄ Nanoparticles on ZrO₂ as Catalysts for CO₂ Hydrogenation to Lower Olefins

Alghamdi,

Sanhoob,

Ajeebi

et al. 2024

Asian J Org Chem

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Organic synthesis presents significant opportunities for converting the abundant and hazardous carbon dioxide (CO2) in the atmosphere into a more sustainable carbon source. To reduce the carbon footprint, we explored the direct hydrogenation of CO2 to lower (C2‐4=) olefins using various catalysts composed of ZrO2‐supported alkali‐metal‐promoted superparamagnetic iron oxide nanoparticles (SPIONs; Fe3O4). These catalysts are notable for their straightforward preparation; we employed a cost‐effective dry‐mixing method to create a range of alkali metal‐doped SPIONs supported on ZrO2. Results showed that the strong interactions between Fe3O4 and the ZrO2 support enhanced CO2 hydrogenation performance compared to other forms, such as pristine Fe or Fe2O3. Under optimal conditions—using a gas hourly space velocity (GHSV) of 4500 mL/h/gcat and a feed ratio of H2:CO2 = 3:1—this catalyst achieved over 22% CO2 conversion and high selectivity for light (C2‐4=) olefins at 30 bar and 375 ºC, with 30 wt% Fe3O4 loading on ZrO2 and 2 wt% K promoter. We also investigated several variables, including alkali metal concentration, iron content, reaction conditions, and catalyst stability over 96 hours.

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Ultrasmall Fe₃O₄ Nanoparticles on ZrO₂ as Catalysts for CO₂ Hydrogenation to Lower Olefins

Alghamdi,

Sanhoob,

Ajeebi

et al. 2024

Asian J Org Chem

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Aqueous-phase hydrogenolysis of glycerol over NiCeZr catalysts using in-situ produced H2: Effect of Ce/Zr ratio

Vera-Hincapie,

Iriarte-Velasco,

Ayastuy

et al. 2024

Journal of Environmental Chemical Engineering

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Ex situ and in situ studies on structural features of Pt/Ce0.75Zr0.25O2 catalyst for water gas shift reaction

Pakharukova,

Stonkus,

Saraev

et al. 2024

Surfaces and Interfaces

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Ceria–Zirconia Supported Platinum Catalysts for the Water-Gas Shift Reaction: The Influence of Support Composition

Cited by 4 publications

References 42 publications

Ultrasmall Fe₃O₄ Nanoparticles on ZrO₂ as Catalysts for CO₂ Hydrogenation to Lower Olefins

Ultrasmall Fe₃O₄ Nanoparticles on ZrO₂ as Catalysts for CO₂ Hydrogenation to Lower Olefins

Aqueous-phase hydrogenolysis of glycerol over NiCeZr catalysts using in-situ produced H2: Effect of Ce/Zr ratio

Ex situ and in situ studies on structural features of Pt/Ce0.75Zr0.25O2 catalyst for water gas shift reaction

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Ceria–Zirconia Supported Platinum Catalysts for the Water-Gas Shift Reaction: The Influence of Support Composition

Cited by 4 publications

References 42 publications

Ultrasmall Fe3O4 Nanoparticles on ZrO2 as Catalysts for CO2 Hydrogenation to Lower Olefins

Ultrasmall Fe3O4 Nanoparticles on ZrO2 as Catalysts for CO2 Hydrogenation to Lower Olefins

Aqueous-phase hydrogenolysis of glycerol over NiCeZr catalysts using in-situ produced H2: Effect of Ce/Zr ratio

Ex situ and in situ studies on structural features of Pt/Ce0.75Zr0.25O2 catalyst for water gas shift reaction

Contact Info

Product

Resources

About

Ultrasmall Fe₃O₄ Nanoparticles on ZrO₂ as Catalysts for CO₂ Hydrogenation to Lower Olefins

Ultrasmall Fe₃O₄ Nanoparticles on ZrO₂ as Catalysts for CO₂ Hydrogenation to Lower Olefins