Fischer-Tropsch synthesis over carbon-encapsulated cobalt and iron nanoparticles embedded in 3D-framework of carbon nanotubes

Fischer-Tropsch synthesis over carbon-encapsulated cobalt and iron nanoparticles embedded in 3D-framework of carbon nanotubes Full article

Journal

Journal of Catalysis
ISSN: 0021-9517 , E-ISSN: 1090-2694

Output data

Year: 2020, Volume: 389, Pages: 270-284 Pages count : 15 DOI: 10.1016/j.jcat.2020.06.011

Authors

Chernyak Sergei A. ¹ , Ivanov Anton S. ¹ , Maksimov Sergey V. ¹ , Maslakov Konstantin I. ¹ , Isaikina Oksana Ya. ¹ , Chernavskii Petr A. ^1,2 , Kazantsev Ruslan V. ² , Eliseev Oleg L. ² , Savilov Serguei S. ¹

Affiliations

1	Department of Chemistry, Lomonosov Moscow State University, Leninskie Gory 1-3, Moscow 119991, Russia
2	N.D. Zelinsky Institute of Organic Chemistry, Leninsky prosp. 47, 119991 Moscow, Russia

Development of alternative ways to produce clean fuels is a significant and strategically important challenge. One of the most effective approaches is the Fischer-Tropsch synthesis (FTS), which is realized over Co- or Fe-based catalysts. In this work spark plasma sintering was applied for the synthesis of bulk core-shell Co and Fe CNT-supported FTS catalysts. The effect of the sintering temperature on the structure, evolution, and catalytic performance of the samples was studied by combination of physicochemical methods. Catalysts showed high activities and TOFs without pre-reduction: 11.6 molCOgCo−1 s−1 and 0.1 s−1 for Co and 20.3 molCOgFe−1 s−1 and ~0.9 s−1 for Fe samples. The unusual dependence of C5+ selectivity on the Co particle size along with the presence of the amorphous carbide and amorphous carbon layers under graphitic shell in Fe catalysts point to the diffusion of reagents and products through shell defects and the catalytic reaction on the particle core surface.

Chernyak S.A. , Ivanov A.S. , Maksimov S.V. , Maslakov K.I. , Isaikina O.Y. , Chernavskii P.A. , Kazantsev R.V. , Eliseev O.L. , Savilov S.S.
Fischer-Tropsch synthesis over carbon-encapsulated cobalt and iron nanoparticles embedded in 3D-framework of carbon nanotubes
Journal of Catalysis. 2020. V.389. P.270-284. DOI: 10.1016/j.jcat.2020.06.011 WOS Scopus OpenAlex

Web of science:	WOS:000568779600012
Scopus:	2-s2.0-85087043952
OpenAlex:	W3035806338

DB	Citing
OpenAlex	37
Scopus	35
Web of science	34