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  Intermediate product regulation in tandem solid catalysts with multimodal porosity for high-yield synthetic fuel production

Duyckaerts, N., Bartsch, M., Trotus, I.-T., Pfänder, N., Lorke, A., Schüth, F., et al. (2017). Intermediate product regulation in tandem solid catalysts with multimodal porosity for high-yield synthetic fuel production. Angewandte Chemie International Edition, 56(38), 11480-11484. doi:10.1002/anie.201705714.

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 Creators:
Duyckaerts, Nicolas1, Author           
Bartsch, Mathias2, Author
Trotus, Ioan-Teodor1, Author           
Pfänder, Norbert3, Author
Lorke, Axel2, Author
Schüth, Ferdi1, Author           
Prieto, Gonzalo4, Author           
Affiliations:
1Research Department Schüth, Max-Planck-Institut für Kohlenforschung, Max Planck Society, ou_1445589              
2Faculty of Physics and CENIDE, Universität Duisburg-Essen Forsthausweg 2, Duisburg (Germany), ou_persistent22              
3Max-Planck-Institut für Chemische Energiekonversion Stiftstraße 34-36, 45470 Mülheim an der Ruhr (Germany), ou_persistent22              
4Research Group Prieto, Max-Planck-Institut für Kohlenforschung, Max Planck Society, ou_2243639              

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Free keywords: Fischer-Tropsch catalysis; heterogeneous catalysis; hierarchical porosity;syngas conversion; tandem catalysis
 Abstract: Tandem catalysis is an attractive strategy to intensify chemical processes but simultaneous control over the individual and concerted catalyst performances poses a challenge. We show that enhanced pore transport within a Co/Al2O3 Fischer-Tropsch (FT) catalyst with a hierarchical porosity enables its tandem integration with a Pt/ZSM-5 zeolitic hydrotreating catalyst in a spatially distant fashion ‒ permitting a catalyst-specific temperature adjustment ‒ albeit resembling a close active site proximity ‒ by mitigating secondary reactions of primary FT α-olefin products. This approach enables the conciliation of in situ de-waxing with a minimum production of gases (18 wt%) and an up to two-fold higher (50 wt%) selectivity to middle-distillates compared to benchmark mesoporous FT catalysts. An overall 80% selectivity to liquid hydrocarbons from syngas is attained in one step, attesting for the potential of this strategy to increase the efficiency in intensified gas-to-liquid technologies.

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Language(s): eng - English
 Dates: 2017-06-052017-07-162017-07-162017-09-11
 Publication Status: Published in print
 Pages: 5
 Publishing info: -
 Table of Contents: -
 Rev. Type: Peer
 Identifiers: DOI: 10.1002/anie.201705714
 Degree: -

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Title: Angewandte Chemie International Edition
  Other : Angew. Chem., Int. Ed.
  Other : Angew. Chem. Int. Ed.
  Other : Angewandte Chemie, International Edition
Source Genre: Journal
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Publ. Info: Weinheim : Wiley-VCH
Pages: - Volume / Issue: 56 (38) Sequence Number: - Start / End Page: 11480 - 11484 Identifier: ISSN: 1433-7851
CoNE: https://pure.mpg.de/cone/journals/resource/1433-7851