Manufacture of highly loaded silica-supported cobalt Fischer–Tropsch catalysts from a metal organic framework

Xiaohui Sun, Alma I. Olivos Suarez, Mark Meijerink, Tom van Deelen, Samy Ould-Chikh, Jovana Zečević, Krijn P. de Jong, Freek Kapteijn, Jorge Gascon

Research output: Contribution to journalArticlepeer-review

75 Scopus citations

Abstract

The development of synthetic protocols for the preparation of highly loaded metal nanoparticle-supported catalysts has received a great deal of attention over the last few decades. Independently controlling metal loading, nanoparticle size, distribution, and accessibility has proven challenging because of the clear interdependence between these crucial performance parameters. Here we present a stepwise methodology that, making use of a cobalt-containing metal organic framework as hard template (ZIF-67), allows addressing this long-standing challenge. Condensation of silica in the Co-metal organic framework pore space followed by pyrolysis and subsequent calcination of these composites renders highly loaded cobalt nanocomposites (~ 50 wt.% Co), with cobalt oxide reducibility in the order of 80% and a good particle dispersion, that exhibit high activity, C5 + selectivity and stability in Fischer-Tropsch synthesis.
Original languageEnglish (US)
JournalNature Communications
Volume8
Issue number1
DOIs
StatePublished - Nov 22 2017

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