In Situ FMR Study of the Selective H2S-Oxidation Stability of ε-Fe2O3/SiO2 Catalysts | Sciact - CRIS-system of Boreskov Institute of Catalysis

In Situ FMR Study of the Selective H2S-Oxidation Stability of ε-Fe2O3/SiO2 Catalysts Full article

Journal

Applied Magnetic Resonance
ISSN: 0937-9347 , E-ISSN: 1613-7507

Output data

Year: 2019, Volume: 50, Number: 5, Pages: 725–733 Pages count : 9 DOI: 10.1007/s00723-019-1109-3

Tags

Hydrogen-Sulfide; Calcination Temperature; Oxidation; Catalysis; Catalysts; Hematite; High resolution transmission electron microscopy; Nanomagnetics; Nanometals; Nanoparticles; Oxidation; Silica; Transport properties

Authors

Yakushkin S.S. ¹ , Bukhtiyarova G.A. ¹ , Dubrovskiy A.A. ² , Knyazev Yu.V. ² , Balaev D.A. ² , Martyanov O.N. ¹

Affiliations

1	Boreskov Institute of Catalysis, Russian Academy of Sciences, Siberian Branch, Lavrentieva 5, Novosibirsk 630090, Russia
2	Kirensky Institute of Physics, Federal Research Center KSC SB RAS, Krasnoyarsk 660036, Russia

Funding (1)

Russian Science Foundation

17-12-01111

The stability of a catalyst for partial H2S oxidation has been studied by the ferromagnetic resonance (FMR) technique combined with transmission electron microscopy, X-ray diffraction, Mössbauer spectroscopy, and magnetostatic investigations. The ε-Fe2O3 iron oxide nanoparticles supported on silica have been examined for their stability under the selective H2S oxidation conditions. The combination of the physicochemical methods has been used to study the state of reacted catalysts. The ε-Fe2O3 phase has been found to remain stable under the selective H2S oxidation conditions at temperatures up to 300 °C. The active phase state during the catalytic reaction has been explored using in situ FMR experiments. It has been established that the ε-Fe2O3 nanoparticles retain their structure and magnetic properties in the presence of H2S at high temperatures. During the in situ FMR experiments, the ε-Fe2O3 sulfidation process has been studied.

Yakushkin S.S. , Bukhtiyarova G.A. , Dubrovskiy A.A. , Knyazev Y.V. , Balaev D.A. , Martyanov O.N.
In Situ FMR Study of the Selective H2S-Oxidation Stability of ε-Fe2O3/SiO2 Catalysts
Applied Magnetic Resonance. 2019. V.50. N5. P.725–733. DOI: 10.1007/s00723-019-1109-3 WOS Scopus РИНЦ ANCAN OpenAlex

Submitted:	Nov 1, 2018
Accepted:	Dec 25, 2018
Published online:	Jan 24, 2019
Published print:	May 1, 2019

Web of science:	WOS:000465202500008
Scopus:	2-s2.0-85060766435
Elibrary:	38647217
Chemical Abstracts:	2019:686684
Chemical Abstracts (print):	173:314515
OpenAlex:	W2913047049

DB	Citing
Scopus	3
Web of science	3
Elibrary	3
OpenAlex	4