Shining light on low-temperature methanol aqueous-phase reforming using homogeneous Ru-pincer complexes – operando Raman-GC studies

Strobel, Vinzent; Schuster, Julian Jonathan; Braeuer, Andreas; Vogt, Lydia K.; Junge, Henrik; Haumann, Marco

doi:10.1039/c6re00228e

Cited by 16 publications

(15 citation statements)

References 22 publications

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“…One application of operando Raman spectroscopy in aqueous phase was performed by Haumann et al, investigating ruthenium catalyzed methanol dehydrogenation. 57 The reaction inter-mediate formate was detectable by Raman spectroscopy, which further proved the postulated mechanism.…”

Section: Operando Analytical Techniquesmentioning

confidence: 60%

Operandomonitoring of mechanisms and deactivation of molecular catalysts

et al. 2022

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Section: Operando Analytical Techniquesmentioning

confidence: 60%

Operandomonitoring of mechanisms and deactivation of molecular catalysts

et al. 2022

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“…More detailed mechanisms elaborating the role of the base, solvent, and metal–ligand cooperation have been reported by several groups in the recent past. 126 − 131 …”

Section: Hydrogen Economymentioning

confidence: 99%

Homogeneous Catalysis for Sustainable Energy: Hydrogen and Methanol Economies, Fuels from Biomass, and Related Topics

2021

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As the world pledges to significantly cut carbon emissions, the demand for sustainable and clean energy has now become more important than ever. This includes both production and storage of energy carriers, a majority of which involve catalytic reactions. This article reviews recent developments of homogeneous catalysts in emerging applications of sustainable energy. The most important focus has been on hydrogen storage as several efficient homogeneous catalysts have been reported recently for (de)hydrogenative transformations promising to the hydrogen economy. Another direction that has been extensively covered in this review is that of the methanol economy. Homogeneous catalysts investigated for the production of methanol from CO 2 , CO, and HCOOH have been discussed in detail. Moreover, catalytic processes for the production of conventional fuels (higher alkanes such as diesel, wax) from biomass or lower alkanes have also been discussed. A section has also been dedicated to the production of ethylene glycol from CO and H 2 using homogeneous catalysts. Well-defined transition metal complexes, in particular, pincer complexes, have been discussed in more detail due to their high activity and well-studied mechanisms.

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“…Fu used DFT calculations to propose a self-catalytic role of methanol in ruthenium PNP-catalyzed dehydrogenation [342]. Several authors have studied the process in depth, using inter alia, DFT calculations, NMR spectroscopy, or Raman-GC techniques [343][344][345].…”

Section: Methanol Dehydrogenationmentioning

confidence: 99%

Recent Progress with Pincer Transition Metal Catalysts for Sustainability

2020

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Our planet urgently needs sustainable solutions to alleviate the anthropogenic global warming and climate change. Homogeneous catalysis has the potential to play a fundamental role in this process, providing novel, efficient, and at the same time eco-friendly routes for both chemicals and energy production. In particular, pincer-type ligation shows promising properties in terms of long-term stability and selectivity, as well as allowing for mild reaction conditions and low catalyst loading. Indeed, pincer complexes have been applied to a plethora of sustainable chemical processes, such as hydrogen release, CO2 capture and conversion, N2 fixation, and biomass valorization for the synthesis of high-value chemicals and fuels. In this work, we show the main advances of the last five years in the use of pincer transition metal complexes in key catalytic processes aiming for a more sustainable chemical and energy production.

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Shining light on low-temperature methanol aqueous-phase reforming using homogeneous Ru-pincer complexes – operando Raman-GC studies

Abstract: A combination of operando Raman spectroscopy with online GC and volume-flow monitoring allows rapid insight into low-temperature methanol reforming.

Cited by 16 publications

References 22 publications

Operandomonitoring of mechanisms and deactivation of molecular catalysts

Operandomonitoring of mechanisms and deactivation of molecular catalysts

Homogeneous Catalysis for Sustainable Energy: Hydrogen and Methanol Economies, Fuels from Biomass, and Related Topics

Recent Progress with Pincer Transition Metal Catalysts for Sustainability

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