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Intermediate Transfer Rates and Solid-State Ion Exchange are Key Factors Determining the Bifunctionality of In₂O₃/HZSM-5 Tandem CO₂ Hydrogenation Catalyst.

ABSTRACT: Identifying the descriptors for the synergistic catalytic activity of bifunctional oxide-zeolite catalysts constitutes a formidable challenge in realizing the potential of tandem hydrogenation of CO₂ to hydrocarbons (HC) for sustainable fuel production. Herein, we combined CH₃OH synthesis from CO₂ and H₂ on In₂O₃ and methanol-to-hydrocarbons (MTH) conversion on HZSM-5 and discerned the descriptors by leveraging the distance-dependent reactivity of bifunctional In₂O₃ and HZSM-5 admixtures. We modulated the distance between redox sites of In₂O₃ and acid sites of HZSM-5 from milliscale (∼10 mm) to microscale (∼300 μm) and observed a 3-fold increase in space-time yield of HC and CH

SUBMITTER: Mahnaz F

PROVIDER: S-EPMC10988559 | biostudies-literature | 2024 Apr

REPOSITORIES: biostudies-literature

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Intermediate Transfer Rates and Solid-State Ion Exchange are Key Factors Determining the Bifunctionality of In₂O₃/HZSM-5 Tandem CO₂ Hydrogenation Catalyst.

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Intermediate Transfer Rates and Solid-State Ion Exchange are Key Factors Determining the Bifunctionality of In2O3/HZSM-5 Tandem CO2 Hydrogenation Catalyst.

OmicsDI is part of the ELIXIR infrastructure

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Intermediate Transfer Rates and Solid-State Ion Exchange are Key Factors Determining the Bifunctionality of In₂O₃/HZSM-5 Tandem CO₂ Hydrogenation Catalyst.