Metal organic framework-mediated synthesis of highly active and stable Fischer-Tropsch catalysts

Vera P. Santos, Tim A. Wezendonk, Juan José Delgado Jaén, A. Iulian Dugulan, Maxim A. Nasalevich, Husn-Ubayda Islam, Adam Chojecki, Sina Sartipi, Xiaohui Sun, Abrar A. Hakeem, Ard C.J. Koeken, Matthijs Ruitenbeek, Thomas Davidian, Garry R. Meima, Gopinathan Sankar, Freek Kapteijn, Michiel Makkee and Jorge Gascon ()
Additional contact information
Vera P. Santos: Catalysis Engineering, Delft University of Technology, Julianalaan 136
Tim A. Wezendonk: Catalysis Engineering, Delft University of Technology, Julianalaan 136
Juan José Delgado Jaén: Facultad de Ciencias, Universidad de Cádiz, Campus Río San Pedro
A. Iulian Dugulan: Fundamental Aspects of Materials and Energy Group, Delft University of Technology
Maxim A. Nasalevich: Catalysis Engineering, Delft University of Technology, Julianalaan 136
Husn-Ubayda Islam: University College London
Adam Chojecki: Core R&D, Dow Benelux B.V., PO Box 48
Sina Sartipi: Catalysis Engineering, Delft University of Technology, Julianalaan 136
Xiaohui Sun: Catalysis Engineering, Delft University of Technology, Julianalaan 136
Abrar A. Hakeem: Catalysis Engineering, Delft University of Technology, Julianalaan 136
Ard C.J. Koeken: Hydrocarbons R&D, Dow Benelux B.V.
Matthijs Ruitenbeek: Hydrocarbons R&D, Dow Benelux B.V.
Thomas Davidian: Hydrocarbons R&D, Dow Benelux B.V.
Garry R. Meima: Core R&D, Dow Benelux B.V., PO Box 48
Gopinathan Sankar: University College London
Freek Kapteijn: Catalysis Engineering, Delft University of Technology, Julianalaan 136
Michiel Makkee: Catalysis Engineering, Delft University of Technology, Julianalaan 136
Jorge Gascon: Catalysis Engineering, Delft University of Technology, Julianalaan 136

Nature Communications, 2015, vol. 6, issue 1, 1-8

Abstract: Abstract Depletion of crude oil resources and environmental concerns have driven a worldwide research on alternative processes for the production of commodity chemicals. Fischer–Tropsch synthesis is a process for flexible production of key chemicals from synthesis gas originating from non-petroleum-based sources. Although the use of iron-based catalysts would be preferred over the widely used cobalt, manufacturing methods that prevent their fast deactivation because of sintering, carbon deposition and phase changes have proven challenging. Here we present a strategy to produce highly dispersed iron carbides embedded in a matrix of porous carbon. Very high iron loadings (>40 wt %) are achieved while maintaining an optimal dispersion of the active iron carbide phase when a metal organic framework is used as catalyst precursor. The unique iron spatial confinement and the absence of large iron particles in the obtained solids minimize catalyst deactivation, resulting in high active and stable operation.

Date: 2015
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DOI: 10.1038/ncomms7451

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