scholarly journals Effects of Oxygen Mobility in La–Fe-Based Perovskites on the Catalytic Activity and Selectivity of Methane Oxidation

ACS Catalysis ◽  
2020 ◽  
Vol 10 (6) ◽  
pp. 3707-3719 ◽  
Author(s):  
Hui Chang ◽  
Erlend Bjørgum ◽  
Oana Mihai ◽  
Jie Yang ◽  
Hilde Lea Lein ◽  
...  
1999 ◽  
Vol 182 (2) ◽  
pp. 337-344 ◽  
Author(s):  
C Méthivier ◽  
J Massardier ◽  
J.C Bertolini

2018 ◽  
Vol 107 ◽  
pp. 82-86 ◽  
Author(s):  
Joanna Kamieniak ◽  
Peter J. Kelly ◽  
Aidan M. Doyle ◽  
Craig E. Banks

2010 ◽  
Vol 115 (4) ◽  
pp. 1231-1239 ◽  
Author(s):  
Arnim Eyssler ◽  
Evgueny Kleymenov ◽  
André Kupferschmid ◽  
Maarten Nachtegaal ◽  
M. Santhosh Kumar ◽  
...  

2020 ◽  
Vol 141 ◽  
pp. 106012 ◽  
Author(s):  
Junchen Du ◽  
Hong Li ◽  
Chengxiong Wang ◽  
Aimin Zhang ◽  
Yunkun Zhao ◽  
...  

2006 ◽  
Vol 20 (25n27) ◽  
pp. 4249-4254 ◽  
Author(s):  
KEI-ICHIRO MURAI ◽  
KOHEI TOMITA ◽  
SUGURU TOJO ◽  
TOSHIHIRO MORIGA ◽  
ICHIRO NAKABAYASHI

Two kinds of α- Fe 2 O 3 catalysts supported on χ- Al 2 O 3 and γ- Al 2 O 3 were synthesized. α- Fe 2 O 3 was prepared from α- FeOOH . As a model experiment, an investigation was made with the oxidation of methane. As all catalysts with various Fe contents supported on χ- Al 2 O 3 with various Fe contents had higher specific surface areas than those supported on γ- Al 2 O 3, α- Fe 2 O 3/χ- Al 2 O 3 catalyst has higher catalytic activities than α- Fe 2 O 3/γ- Al 2 O 3 catalyst. From SEM-EDS analyses, it is concluded that in α- Fe 2 O 3/χ- Al 2 O 3 catalyst, α- Fe 2 O 3 exists mainly on the surface of the support, because of flatness of the surface of χ- Al 2 O 3. On the other hand, in the case of α- Fe 2 O 3/γ- Al 2 O 3 catalyst, as the surface of support, γ- Al 2 O 3, is uneven, α- Fe 2 O 3 do not partially exist on the surface but in the pores.


2014 ◽  
Vol 2014 ◽  
pp. 1-6 ◽  
Author(s):  
Hongfeng Liu ◽  
Xingrui Fu ◽  
Xiaole Weng ◽  
Yue Liu ◽  
Haiqiang Wang ◽  
...  

A series of Co/Mg-Mn mixed oxides were synthesized through thermal decomposition of layered double hydroxides (LDHs) precursors. The resulted catalysts were then subjected for catalytic combustion of methane. Experimental results revealed that the Co4.5Mg1.5Mn2LDO catalyst possessed the best performance with theT90=485°C. After being analyzed via XRD, BET-BJH, SEM, H2-TPR, and XPS techniques, it was observed that the addition of cobalt had significantly improved the redox ability of the catalysts whilst certain amount of magnesium was essential to guarantee the catalytic activity. The presence of Mg was helpful to enhance the oxygen mobility and, meanwhile, improved the dispersion of Co and Mn oxides, preventing the surface area loss after calcination.


2003 ◽  
Vol 239 (1-2) ◽  
pp. 169-179 ◽  
Author(s):  
Ryuji Kikuchi ◽  
Shingo Maeda ◽  
Kazunari Sasaki ◽  
Stefan Wennerström ◽  
Yasushi Ozawa ◽  
...  

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