Progress In Reaction Kinetics And Mechanism, ( ISI ), Volume (44), No (4), Year (2019-10) , Pages (316-323)

Title : ( Effects of metallic cobalt crystal phase on catalytic activity of cobalt catalysts supported on carbon nanotubes in Fischer–Tropsch synthesis )

Authors: Ali Nakhaei Pour , Mohammad Reza Housaindokht ,

Access to full-text not allowed by authors

Citation: BibTeX | EndNote

Abstract

Effects of metallic cobalt crystal phase on catalytic activity of cobalt catalysts in Fischer-Tropsch synthesis (FTS) were investigated in a continuous spinning basket reactor. The cobalt catalysts were prepared by impregnation of cobalt active phase in microemulsion system on multiwall carbon nanotubes support. A series of cobalt catalysts with different Co particle size were prepared by variation the water-to-surfactant molar ratio (W/S) from 2 to 12 in microemulsion system. The X-ray diffraction (XRD) results validate a complex composition of cobalt phases contains cobalt oxides and metallic cobalt with hexagonal close-packed (hcp) and face-centered-cubic (fcc) phases are existed in our cobalt catalysts. The results show that, larger cobalt particles exhibit more fcc and less hcp metallic cobalt. The experimental results show that the catalysts with higher fractions of hcp phase exhibited higher conversion in FTS reaction.

Keywords

, Fischer-Tropsch synthesis; Cobalt catalyst; Carbon nanotubes; Particle size effect, Crystal phase.
برای دانلود از شناسه و رمز عبور پرتال پویا استفاده کنید.

@article{paperid:1069314,
author = {Nakhaei Pour, Ali and Housaindokht, Mohammad Reza},
title = {Effects of metallic cobalt crystal phase on catalytic activity of cobalt catalysts supported on carbon nanotubes in Fischer–Tropsch synthesis},
journal = {Progress In Reaction Kinetics And Mechanism},
year = {2019},
volume = {44},
number = {4},
month = {October},
issn = {1468-6783},
pages = {316--323},
numpages = {7},
keywords = {Fischer-Tropsch synthesis; Cobalt catalyst; Carbon nanotubes; Particle size effect; Crystal phase.},
}

[Download]

%0 Journal Article
%T Effects of metallic cobalt crystal phase on catalytic activity of cobalt catalysts supported on carbon nanotubes in Fischer–Tropsch synthesis
%A Nakhaei Pour, Ali
%A Housaindokht, Mohammad Reza
%J Progress In Reaction Kinetics And Mechanism
%@ 1468-6783
%D 2019

[Download]