Tailored monolith supports for improved ultra-low temperature water-gas shift reaction

Portela, Raquel; Wolf, Patrick; Marinkovic, Jakob Maximilian; Serrano-Lotina, Ana; Riisager, Anders; Haumann, Marco

doi:10.1039/d1re00226k

Cited by 12 publications

(1 citation statement)

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“…64 To address this issue, WGSR can be applied as a downstream process (eqn (1)) where CO is converted to CO 2 and H 2 , thus removing carbon monoxide from syngas to obtain high-purity hydrogen and alleviating the release of toxic gases into the atmospheres. 65–76 Considering the exothermic nature, lower temperatures are conducive to higher carbon monoxide conversion; however, high temperatures will increase the reaction rate. Therefore, in commercial applications, the process is carried out in two steps (high-temperature reaction followed by low-temperature conversion) to achieve the purity level required for various industrial applications.…”

Section: Introductionmentioning

confidence: 99%

Modification strategies of heterogeneous catalysts for water–gas shift reactions

et al. 2022

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Section: Introductionmentioning

confidence: 99%

Modification strategies of heterogeneous catalysts for water–gas shift reactions

et al. 2022

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Influence of Support Structure on Catalytic Performance of Supported Liquid-Phase (SLP) Catalysts in Hydroformylation of 1-Butene

Madani

Schill²,

Zahrtmann³

et al. 2023

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Several supported liquid-phase (SLP) catalysts with immobilized Rh-biphephos complexes on monolithic supports were prepared and applied for continuous gas-phase hydroformylation (HyFo) of 1-butene. The support comprised macroporous monolithic silicon carbide (SiC) with deposited silica nanoparticles (NPs) in order to provide mesopores with enhanced capillary forces to retain the liquid-phase. Variable parameters were examined for the monolithic SiC supports, including size and loading of deposited silica NPs and intermediate calcination between silica deposition steps to obtain the most efficient support configuration for the SLP system. The SLP catalysts with larger deposited silica NPs gave higher catalytic activity (i.e. 1-butene conversion and turnover frequency) compared to the supports with smaller sized silica NPs. However, the selectivity towards the preferred linear aldehyde was higher in the SLP catalysts with supports containing less silica with small silica NPs. Importantly, the prepared SLP catalyst systems showed long-term stability in HyFo with negligible formation of high boiling aldol condensation products.

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Zeta potential as a tool for functional materials development

et al. 2023

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Tailored monolith supports for improved ultra-low temperature water-gas shift reaction

Abstract: Supported ionic liquid phase (SILP) particulate catalysts consisting of Ru-complexes dissolved in an ionic liquid that is dispersed on a γ-alumina porous substrate facilitate the water-gas shift (WGS) reaction at...

Cited by 12 publications

References 25 publications

Modification strategies of heterogeneous catalysts for water–gas shift reactions

Modification strategies of heterogeneous catalysts for water–gas shift reactions

Influence of Support Structure on Catalytic Performance of Supported Liquid-Phase (SLP) Catalysts in Hydroformylation of 1-Butene

Zeta potential as a tool for functional materials development

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