Effects of highly dispersed ceria addition on reducibility, activity and hydrocarbon chain growth of a Co/SiO2 Fischer–Tropsch catalyst

B Ernst, L Hilaire, A Kiennemann - Catalysis Today, 1999 - Elsevier
A series of Co–CeO2/SiO2 catalysts at cobalt iso-content (25wt%) with various
concentrations in cerium (4.5, 8.9, 21.5 and 38.2 wt%) and a 25wt% Co/SiO2 system have …

Investigation of the synthesis of oxygenates from carbon monoxide/hydrogen mixtures on supported rhodium catalysts

R Burch, MI Petch - Applied Catalysis A: General, 1992 - Elsevier
The activity and selectivity of a range of promoted Rh/SiO 2 catalysts for the reaction of CO/H
2 mixtures have been investigated at high pressures. The activity and selectivity is found to …

High-resolution electron microscopy investigation of metal–support interactions in Rh/TiO 2

S Bernal, FJ Botana, JJ Calvino, C López… - Journal of the …, 1996 - pubs.rsc.org
High-resolution electron microscopy (HREM), combined with digital image processing and
computer simulation techniques, has been used to carry out a microstructural …

Active centres for synthesis gas reactions

V Ponec - Catalysis today, 1992 - Elsevier
Presently available data allow us to make suggestions with regard to the active centres for
various reactions of syngas. It seems that for methanol and higher alcohol synthesis an …

Influence of lanthanum on the surface structure and carbon monoxide hydrogenation activity of supported cobalt catalysts

JS Ledford, M Houalla, A Proctor… - The Journal of …, 1989 - ACS Publications
X-ray photoelectronspectroscopy (ESCA or XPS), X-ray diffraction (XRD), Raman
spectroscopy, H2 chemisorption, and gravimetric analysis have been used to characterize …

CO hydrogenation on lanthana and vanadia doubly promoted Rh/SiO2 catalysts

J Gao, X Mo, ACY Chien, W Torres, JG Goodwin Jr - Journal of Catalysis, 2009 - Elsevier
This paper reports on a study of the combined promoting effect of La and V oxides for
ethanol formation during CO hydrogenation on silica-supported Rh catalysts. Non-promoted …

A study of Rh-Sm-V/SiO2 catalysts for the preparation of C2-oxygenates from syngas

HY Luo, W Zhang, HW Zhou, SY Huang, PZ Lin… - Applied Catalysis A …, 2001 - Elsevier
Rh-Sm-V/SiO2 catalysts for the preparation of C2-oxygenates were studied by CO+ H2
reactions under medium pressure, temperature-programmed reduction, adsorption of H2 …

Isotopic Transient Study of La Promotion of Co/Al2O3or CO Hydrogenation

S Vada, B Chen, JG Goodwin - Journal of Catalysis, 1995 - Elsevier
An investigation of La3+ promotion of 20 wt% Co/Al2O3 [(La/Co) atomic= 0, 0.05, 0.10, and
1.0] for CO hydrogenation at 463-503 K and 1.8 atm has been carried out in order to develop …

Characterization of La2O3/SiO2mixed oxide catalyst supports

H Vidal, S Bernal, RT Baker, D Finol, JAP Omil… - Journal of …, 1999 - Elsevier
Thermal analysis, energy dispersive spectroscopy, X-ray diffraction, high-resolution electron
microscopy, X-ray photoelectron spectroscopy, and CO2adsorption have been applied to …

Role of promoters on Rh/SiO2 in CO hydrogenation: A comparison using DRIFTS

X Mo, J Gao, JG Goodwin Jr - Catalysis Today, 2009 - Elsevier
La, V, Zn, Cu, Fe, Li and Ag promoted Rh/SiO2 catalysts were investigated for the synthesis
of ethanol during CO hydrogenation at 230° C and 1.8 atm. As is well known, the activity and …