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Dr. Diego Peña, Dr. Anne Griboval-Constant, Fabrice Diehl, Vincent Lecocq and Dr. Andrei Y. Khodakov Agglomeration at the Micrometer Length Scale of Cobalt Nanoparticles in Alumina-Supported Fischer–Tropsch Catalysts in a Slurry Reactor ChemCatChem 5

Version of Record online: 4 JAN 2013 | DOI: 10.1002/cctc.201200703

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Detached from it all: Cobalt sintering leading to the formation of large, individually detached microscopic metal agglomerates is detected in alumina-supported cobalt catalysts after Fischer–Tropsch synthesis in a slurry reactor. The macroscopic sintering depends on the H2/CO ratio, the partial pressure of water, and the conversion of carbon monoxide, all of which lead to dramatic catalyst deactivation.

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