Effect of Copper on Iron-Ruthenium Complex Catalyst for CO Hydrogenation

2012 ◽  
Vol 531 ◽  
pp. 276-279
Author(s):  
Qing Jie Tang ◽  
Wen Rong Wu ◽  
Xiao Min Yang ◽  
Na Zhao
Keyword(s):  
Co Hydrogenation ◽  
Ruthenium Complex ◽  
Temperature Programmed Reduction ◽  
Complex Catalyst ◽  
Temperature Programmed ◽  
Effect Of Copper

A series of Iron-Ruthenium complex catalyst were prepared by precipitation and immersion. The effect of Copper was studied on Iron-Ruthenium complex catalyst for CO hydrogenation and temperature programmed reduction. The results show that the effect of Copper is important to Iron-Ruthenium complex catalyst for CO hydrogenation. The selectivity of Olefin improved obviously with copper adding into Iron-Ruthenium complex catalyst, and the intensity of reducing peak increased significantly

Effect of Ruthenium on the Performance of Iron-Based Catalyst for CO Hydrogenation

2011 ◽  
Vol 228-229 ◽  
pp. 496-499
Author(s):  
Qing Jie Tang ◽  
Wen Rong Wu ◽  
Shao Fan ◽  
Bo Liu
Keyword(s):  
Co Hydrogenation ◽  
Ruthenium Complex ◽  
Complex Catalyst ◽  
Iron Based

A series of Iron-based complex catalyst were prepared by precipitation and immersion in order to study the effect of Ruthenium on the performance of Iron-based catalyst for CO hydrogenation in FTS. The distribution of products was studied for CO hydrogenation, and the reduction action of Iron-ruthenium complex catalyst was study by TPR. The results showed that the yield of the lower hydrocarbons in the products of CO-hydrogenation could be improved obviously with Ruthenium added, and the reduction action of Iron-based catalyst could be promoted obviously.

Highly active carbon nanotube–promoted Rh-Mn-Li/SiO2 catalysts for the synthesis of C2+ oxygenates from syngas

2021 ◽  
pp. 174751982098472
Author(s):  
Jun Yu ◽  
Ying Han ◽  
Guoqing Chen ◽  
Xiuzhen Xiao ◽  
Haifang Mao ◽  
...  
Keyword(s):  
Carbon Nanotubes ◽  
Photoelectron Spectroscopy ◽  
Co Hydrogenation ◽  
X Ray ◽  
Highly Active ◽  
Transmission Electron ◽  
Co Insertion ◽  
Temperature Programmed Surface Reaction ◽  
Temperature Programmed ◽  
Oxygenate Synthesis

The effect of carbon nanotubes on the catalytic properties of Rh-Mn-Li/SiO2 catalysts was investigated for CO hydrogenation. The catalysts were comprehensively characterized by means of X-ray power diffraction, N2 sorption, transmission electron microscope, H2–temperature-programmed reduction, CO–temperature-programmed desorption, temperature-programmed surface reaction, and X-ray photoelectron spectroscopy. The results showed that an appropriate amount of carbon nanotubes can be attached to the surface of the SiO2 sphere and can improve the Rh dispersion. Moderate Rh-Mn interaction can be obtained by doping with the appropriate amount of carbon nanotubes, which promotes the formation of strongly adsorbed CO and facilitates the progress of CO insertion, resulting in the increase in the selectivity of C2+ oxygenate synthesis.

scholarly journals The interaction of size-selected Ru3 clusters with RF-deposited TiO2: probing Ru-CO binding sites with CO-Temperature Programmed Desorption

2021 ◽  
Author(s):  
Liam Howard-Fabretto ◽  
Timothy Gorey ◽  
Guangjing Li ◽  
Siriluck Tesana ◽  
Gregory F Metha ◽  
...  
Keyword(s):  
Radio Frequency ◽  
Chemical Reactions ◽  
Binding Sites ◽  
Co Hydrogenation ◽  
Temperature Programmed Desorption ◽  
Temperature Programmed

Small Ru clusters are efficient catalysts for chemical reactions such as CO hydrogenation. In this study 3-atom Ru3 clusters were deposited onto radio frequency (RF)-deposited TiO2 which is an inexpensive,...

scholarly journals Novel Nickel- and Magnesium-Modified Cenospheres as Catalysts for Dry Reforming of Methane at Moderate Temperatures

Catalysts ◽  
2019 ◽  
Vol 9 (12) ◽  
pp. 1066 ◽  
Author(s):  
Bogdan Samojeden ◽  
Marta Kamienowska ◽  
Armando Izquierdo Colorado ◽  
Maria Elena Galvez ◽  
Ilona Kolebuk ◽  
...  
Keyword(s):  
Supported Catalysts ◽  
Temperature Programmed Desorption ◽  
Catalytic Performance ◽  
Dry Reforming ◽  
Dry Reforming Of Methane ◽  
Temperature Programmed Reduction ◽  
Fly Ashes ◽  
Coal Fly Ashes ◽  
Temperature Programmed ◽  
Mg Content

Cenospheres from coal fly ashes were used as support in the preparation of Ni–Mg catalysts for dry reforming of methane. These materials were characterized by means of XRD, H2-temperature-programmed reduction (H2-TPR), CO2-temperature-programmed desorption (CO2-TPD), and low-temperature nitrogen sorption techniques. The cenosphere-supported catalysts showed relatively high activity and good stability in the dry reforming of methane (DRM) at 700 °C. The catalytic performance of modified cenospheres was found to depend on both Ni and Mg content. The highest activity at 750 °C and 1 atm was observed for the catalyst containing 30 wt % Mg and 10, 20, and 30 wt % Ni, yielding to CO2 and CH4 conversions of around 95%.

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