Mechanistic study and catalyst development for selective carbon monoxide methanation

2015 ◽  
Vol 5 (6) ◽  
pp. 3061-3070 ◽  
Author(s):  
S. Tada ◽  
R. Kikuchi
Keyword(s):  
Carbon Monoxide ◽  
Reaction Mechanism ◽  
Heterogeneous Catalysts ◽  
Mechanistic Study ◽  
Co Methanation ◽  
Catalyst Development ◽  
Selective Co Methanation

As for selective CO methanation over heterogeneous catalysts, numerous investigations of the reaction mechanism and catalyst development are reviewed.

The reaction of (η5-cyclopentadienyl)dicarbonyliron(2-thienoyl) with acetylenes; a mechanistic study using proton nuclear magnetic resonance, and application in synthesis

1990 ◽  
Vol 68 (11) ◽  
pp. 1979-1987 ◽  
Author(s):  
Ian R. Butler
Keyword(s):  
Nuclear Magnetic Resonance ◽  
Carbon Monoxide ◽  
Reaction Mechanism ◽  
Proton Nuclear Magnetic Resonance ◽  
Mechanistic Study ◽  
Reaction Products ◽  
Thermal Reactions ◽  
H Nmr ◽  
Substituted Acetylenes ◽  
Acetylene Carbon

The thermal reactions of dicarbonyl-η5-cyclopentadienyl(2-thienoyl)iron with a series of substituted acetylenes to give indenones and cyclopentathiophenones have been reinvestigated. The results obtained support a reaction mechanism involving initial acetylene insertion followed by that of carbon monoxide, in contradiction to the previously reported results. The reaction products were identified and characterized primarily using 2D 1H nmr spectroscopy. Keywords: acetylene, carbon monoxide, iron, indenone, mechanism, thienyl.

Mechanistic study of the effect of chlorine on selective CO methanation over Ni alumina-based catalysts

2014 ◽  
Vol 486 ◽  
pp. 187-192 ◽  
Author(s):  
Toshihiro Miyao ◽  
Weihua Shen ◽  
Aihua Chen ◽  
Kazutoshi Higashiyama ◽  
Masahiro Watanabe
Keyword(s):  
Mechanistic Study ◽  
Co Methanation ◽  
Selective Co Methanation ◽  
Effect Of Chlorine

Kinetics of carbon monoxide methanation on a Ni/SiO2 catalyst

1990 ◽  
Vol 55 (7) ◽  
pp. 1678-1685
Author(s):  
Vladimír Stuchlý ◽  
Karel Klusáček
Keyword(s):  
Carbon Monoxide ◽  
Reaction Rate ◽  
Catalyst Activity ◽  
Adsorbed Hydrogen ◽  
Reaction Products ◽  
Co Methanation ◽  
Molar Ratios ◽  
Rate Determining Step ◽  
Higher Temperature ◽  
Kinetics Of

Kinetics of CO methanation on a commercial Ni/SiO2 catalyst was evaluated at atmospheric pressure, between 528 and 550 K and for hydrogen to carbon monoxide molar ratios ranging from 3 : 1 to 200 : 1. The effect of reaction products on the reaction rate was also examined. Below 550 K, only methane was selectively formed. Above this temperature, the formation of carbon dioxide was also observed. The experimental data could be described by two modified Langmuir-Hinshelwood kinetic models, based on hydrogenation of surface CO by molecularly or by dissociatively adsorbed hydrogen in the rate-determining step. Water reversibly lowered catalyst activity and its effect was more pronounced at higher temperature.

An atomic-level insight into the basic mechanism responsible for the enhancement of the catalytic oxidation of carbon monoxide on a Cu/CeO2 surface

2017 ◽  
Vol 19 (5) ◽  
pp. 3498-3505 ◽  
Author(s):  
Kenichi Koizumi ◽  
Katsuyuki Nobusada ◽  
Mauro Boero
Keyword(s):  
Carbon Monoxide ◽  
Reaction Mechanism ◽  
Catalytic Oxidation ◽  
Morphological Changes ◽  
Basic Mechanism ◽  
Atomic Level ◽  
Insight Into ◽  
Oxidation Of Carbon Monoxide

Reaction mechanism of CO molecules onto a Cu/CeO2 surface and morphological changes.

The reactivity of stoichiometric tungsten oxide clusters towards carbon monoxide: the effects of cluster sizes and charge states

2015 ◽  
Vol 17 (17) ◽  
pp. 11499-11508 ◽  
Author(s):  
Shu-Juan Lin ◽  
Jing Cheng ◽  
Chang-Fu Zhang ◽  
Bin Wang ◽  
Yong-Fan Zhang ◽  
...  
Keyword(s):  
Carbon Monoxide ◽  
Reaction Mechanism ◽  
Dft Calculations ◽  
Tungsten Oxide ◽  
Charge States

DFT calculations were carried out to study the reaction mechanism for tungsten oxide clusters with CO.

scholarly journals Selective CO Methanation Over Ru Supported on Carbon Spheres: The Effect of Carbon Functionalization on the Reverse Water Gas Shift Reaction

2018 ◽  
Vol 148 (11) ◽  
pp. 3502-3513 ◽  
Author(s):  
David O. Kumi ◽  
Mbongiseni W. Dlamini ◽  
Tumelo N. Phaahlamohlaka ◽  
Sabelo D. Mhlanga ◽  
Neil J. Coville ◽  
...  
Keyword(s):  
Water Gas Shift ◽  
Water Gas Shift Reaction ◽  
Carbon Spheres ◽  
Co Methanation ◽  
Reverse Water Gas Shift ◽  
Selective Co Methanation ◽  
Shift Reaction ◽  
Water Gas

CO2 photo-reduction: insights into CO2 activation and reaction on surfaces of photocatalysts

2016 ◽  
Vol 9 (7) ◽  
pp. 2177-2196 ◽  
Author(s):  
Xiaoxia Chang ◽  
Tuo Wang ◽  
Jinlong Gong
Keyword(s):  
Reaction Mechanism ◽  
Heterogeneous Catalysts ◽  
Current Understanding ◽  
Co2 Activation

This review describes the current understanding of CO2 photoreduction on the surface of heterogeneous catalysts with a particular focus on the reaction mechanism and pathways as well as the adsorption/activation of CO2.

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