Metallic Ni nanocatalyst in situ formed from LaNi5H5 toward efficient CO2 methanation

2019 ◽  
Vol 44 (55) ◽  
pp. 29068-29074 ◽  
Author(s):  
Dan Zhong ◽  
Liuzhang Ouyang ◽  
Jiangwen Liu ◽  
Hui Wang ◽  
Yi Jia ◽  
...  
Keyword(s):  
Co2 Methanation

Tailoring the Properties of Metal Oxide Loaded/KCC-1 toward a Different Mechanism of CO2 Methanation by in Situ IR and ESR

2018 ◽  
Vol 57 (10) ◽  
pp. 5859-5869 ◽  
Author(s):  
Muhamed Yusuf Shahul Hamid ◽  
Sugeng Triwahyono ◽  
Aishah Abdul Jalil ◽  
Nurfatehah Wahyuny Che Jusoh ◽  
Siti Maryam Izan ◽  
...  
Keyword(s):  
Metal Oxide ◽  
Co2 Methanation ◽  
In Situ Ir

CO2 methanation and reverse water gas shift reaction. Kinetic study based on in situ spatially-resolved measurements

2020 ◽  
Vol 390 ◽  
pp. 124629 ◽  
Author(s):  
Jose A. Hernandez Lalinde ◽  
Pakpong Roongruangsree ◽  
Jan Ilsemann ◽  
Marcus Bäumer ◽  
Jan Kopyscinski
Keyword(s):  
Kinetic Study ◽  
Reaction Kinetic ◽  
Water Gas Shift ◽  
Water Gas Shift Reaction ◽  
Co2 Methanation ◽  
Spatially Resolved ◽  
Reverse Water Gas Shift ◽  
Shift Reaction ◽  
Water Gas

Elucidating the mechanism of the CO2 methanation reaction over Ni–Fe hydrotalcite-derived catalysts via surface-sensitive in situ XPS and NEXAFS

2020 ◽  
Vol 22 (34) ◽  
pp. 18788-18797 ◽  
Author(s):  
Gianfranco Giorgianni ◽  
Chalachew Mebrahtu ◽  
Manfred Erwin Schuster ◽  
Alexander Ian Large ◽  
Georg Held ◽  
...  
Keyword(s):  
Co2 Methanation ◽  
Promotion Effect ◽  
Methanation Reaction ◽  
In Situ Xps

In situ surface sensitive XPS and NEXAFS clarify the promotion effect of Fe in Ni–Fe/hydrotalcite-derived catalysts for the CO2 methanation reaction.

scholarly journals CO2 Methanation over Rh/CeO2 Studied with Infrared Modulation Excitation Spectroscopy and Phase Sensitive Detection

Catalysts ◽  
2020 ◽  
Vol 10 (6) ◽  
pp. 601
Author(s):  
Felix Hemmingsson ◽  
Andreas Schaefer ◽  
Magnus Skoglundh ◽  
Per-Anders Carlsson
Keyword(s):  
Reaction Pathway ◽  
Sensitive Detection ◽  
Side Reactions ◽  
Co2 Methanation ◽  
Individual Contributions ◽  
Phase Sensitive ◽  
Phase Sensitive Detection ◽  
Modulation Excitation Spectroscopy ◽  
Modulation Excitation

Methane is a well-established fuel molecule whose production from CO 2 through methanation garners increasing interest as an energy storage solution. While often produced with Ni based catalysts, other metals are of interest thanks to higher robustness and activity-selectivity numbers. The Rh/CeO 2 catalyst has shown appreciable properties for CO 2 methanation and its structural dynamics has been studied in situ. However, the reaction pathway is unknown. Here, we present infrared modulation excitation spectroscopy measurements with phase sensitive detection of a Rh/CeO 2 catalyst adsorbate composition during H 2 pulsing (0–2 vol.%) to a constant CO 2 (0.5 vol.%) feed. Various carbonyl (CO) and carbonate (b-CO 3 /p-CO 3 ) ad-species clearly respond to the hydrogen stimulus, making them potential reaction intermediates. The different CO ad-species are likely intermediates for product CO and CH 4 but their individual contributions to the respective formations are not unambiguously ascertained. As for the carbonate dynamics, it might be linked to the reduction/oxidation of the CeO 2 surface upon H 2 pulsing. Formate (HCOO) ad-species are clearly visible but appear to be, if not spectators, linked to slow side reactions possibly also affected by CeO 2 redox processes.

CO2 methanation over Ni/Mg@MCM-41 prepared by in-situ synthesis method

2020 ◽  
Vol 48 (4) ◽  
pp. 456-465 ◽  
Author(s):  
Xiao-liu WANG ◽  
Meng YANG ◽  
Ling-jun ZHU ◽  
Xiao-nan ZHU ◽  
Shu-rong WANG
Keyword(s):  
Synthesis Method ◽  
In Situ Synthesis ◽  
Co2 Methanation ◽  
Mcm 41

CO2 methanation over nickel-based catalysts supported on MCM-41 with in situ doping of zirconium

2020 ◽  
Vol 42 ◽  
pp. 101304 ◽  
Author(s):  
Meng Yang ◽  
Zhu Lingjun ◽  
Zhu Xiaonan ◽  
Reubroycharoen Prasert ◽  
Wang Shurong
Keyword(s):  
Co2 Methanation ◽  
Mcm 41

CO2 methanation combined with NH3 decomposition by in situ H2 separation using a Pd membrane reactor

2014 ◽  
Vol 39 (19) ◽  
pp. 10154-10160 ◽  
Author(s):  
Manabu Miyamoto ◽  
Risa Hayakawa ◽  
Yasutaka Makino ◽  
Yasuhiro Oumi ◽  
Shigeyuki Uemiya ◽  
...  
Keyword(s):  
Membrane Reactor ◽  
Co2 Methanation ◽  
Pd Membrane ◽  
Nh3 Decomposition
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