Sorption enhanced catalysis for CO2 hydrogenation towards fuels and chemicals with focus on methanation

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Abstract

Hydrogen produced by the electrolysis of water using sustainable electricity will play an increasingly important role as an energy and a feedstock vector. Shifting from fossil to renewable resources means that new industrial platforms have to be set up to provide carbon-based fuels and bulk base chemicals to replace the current fossil resources based routes. The global demand cannot be met by indirect use of carbon dioxide via biomass necessitating the use from point sources or direct air capture, which changes the value of CO2 from waste to commodity chemicals. The production of chemicals by hydrogenation of CO2 is typically hampered by the thermodynamic conversion being far from 100% under currently viable reaction conditions. The equilibrium can, however, be shifted to increase conversion by removing one of the reaction products, namely water, from the reaction mixture with sorbents like zeolites. Prerequisite to conversion enhancement and process intensification is the close proximity of sorption and catalytic sites. This review presents the state of the art in synthesis and application of these, in fact, bifunctional materials.

Original languageEnglish
Title of host publicationHeterogeneous Catalysis
Subtitle of host publicationMaterials and Applications
EditorsMoisés Romolos Cesario, Daniel Araújo de Macedo
PublisherElsevier
Chapter4
Pages95-119
ISBN (Electronic)978-0-323-85612-6
ISBN (Print)978-0-323-85632-4
DOIs
Publication statusPublished - 2022

Bibliographical note

Green Open Access added to TU Delft Institutional Repository 'You share, we take care!' - Taverne project https://www.openaccess.nl/en/you-share-we-take-care
Otherwise as indicated in the copyright section: the publisher is the copyright holder of this work and the author uses the Dutch legislation to make this work public.

Keywords

  • Bifunctional materials
  • Large scale green base chemicals
  • Methane
  • Separation enhanced CO hydrogenation
  • Zeolite catalyst

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