Multiple and antagonistic effects of water on intrinsic physical properties of model Fischer-Tropsch cobalt catalysts evidenced with in situ X-ray diffraction.

Julien Scalbert; Christèle Legens; I. Clemencon; Anne-Lise Taleb; Loïc Sorbier; Fabrice Diehl

doi:10.1039/c4cc00947a

Multiple and antagonistic effects of water on intrinsic physical properties of model Fischer-Tropsch cobalt catalysts evidenced with in situ X-ray diffraction.

Julien Scalbert ^{1, *} Christèle Legens ¹ I. Clemencon ¹ Anne-Lise Taleb ¹ Loïc Sorbier ¹ Fabrice Diehl ¹

* Auteur correspondant

Abstract : Direct evidence for cobalt oxidation under water treatment at 230 °C was revealed with in situ XRD. Oxidation kinetics was proved to be particle size dependent. Resulting Co3O4 showed a firmly smaller coherent domain size than the initial calcined catalyst. Several physical phenomena were proposed to occur during cobalt oxidation by water.

Type de document :

Article dans une revue

Chemical Communications, Royal Society of Chemistry, 2014, 50 (58), pp.7866-7869. 〈10.1039/c4cc00947a〉

Domaine :

Chimie / Catalyse

Liste complète des métadonnées

https://hal-ifp.archives-ouvertes.fr/hal-01053703
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Multiple and antagonistic effects of water on intrinsic physical properties of model Fischer-Tropsch cobalt catalysts evidenced with in situ X-ray diffraction.

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Multiple and antagonistic effects of water on intrinsic physical properties of model Fischer-Tropsch cobalt catalysts evidenced with in situ X-ray diffraction.

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95

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