Dynamics of topochemical reactions in supported iron Fischer–Tropsch synthesis catalysts during their reduction in flowing CO and CO + H 2

P. A. Chernavskii; V. O. Kazak; G. V. Pankina; V. V. Lunin

doi:10.1134/S0023158416030034

Dynamics of topochemical reactions in supported iron Fischer–Tropsch synthesis catalysts during their reduction in flowing CO and CO + H₂

Авторлар: Chernavskii P.A.¹, Kazak V.O.¹, Pankina G.V.¹, Lunin V.V.¹
Мекемелер:
1. Faculty of Chemistry
Шығарылым: Том 57, № 3 (2016)
Беттер: 333-338
Бөлім: Article
URL: https://journals.rcsi.science/0023-1584/article/view/162435
DOI: https://doi.org/10.1134/S0023158416030034
ID: 162435

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Аннотация

The reduction of Fe₂O₃/SiO₂ catalysts in flowing CO and CO + H₂ in the temperature-programmed and isothermal modes has been investigated by in situ magnetization measurements. The process takes place in two steps, successively yielding magnetite and Hägg carbide. The carbide concentration in the case of reduction with CO is higher than in the case of reduction with the CO + H₂. This is assumed to be due to the formation of Fe₂SiO₄ in the reduction of the catalysts with CO + H₂.