Metal–support interactions in Fe–Cu–K admixed with SAPO-34 catalysts for highly selective transformation of CO2 and H2 into lower olefins

2021 ◽  
Vol 9 (38) ◽  
pp. 21877-21887
Author(s):  
Jie Ding ◽  
Qiang Liu ◽  
Run-ping Ye ◽  
Weibo Gong ◽  
Fan Zhang ◽  
...  

Strong interactions between Fe–Cu–K and SAPO-34 in admixed catalysts composed of Fe–Cu–K and SAPO-34 result in the changes of structures, reducible properties and mass transfer between Fe-Cu-K and SAPO-34, which contribute to good activities.

2008 ◽  
Vol 8 (6) ◽  
pp. 2905-2911 ◽  
Author(s):  
C. Gómez-Polo ◽  
A. Gil ◽  
S. A. Korili ◽  
J. I. Pérez-Landazabal ◽  
V. Recarte ◽  
...  

The aim of this work is to use magnetic measurements as a research tool in the study of possible metal-support interactions in nickel and cobalt nanoporous catalysts. Several physicochemical techniques, namely nitrogen adsorption, X-ray diffraction, temperature-programmed reduction and chemical analysis, were used to analyze the role of the preparation method and the nature of the support on the existence of such metal-support interactions and to relate them with the magnetic response of these nanoporous systems. The catalysts were prepared by incipient wetness impregnation and precipitation-deposition with two commercial oxides, γ-Al2O3 and SiO2, as supports. The magnetic behavior of the catalysts is drastically affected by the existence of interactions between the metal and the support during the preparation procedure. The samples with weak metal-support interactions have characteristic magnetic behavior of antiferromagnetic metal oxide nanoparticles, while the ones having strong interactions display spin-glass like behavior.


2016 ◽  
Vol 6 (10) ◽  
pp. 3449-3456 ◽  
Author(s):  
Jyong-Yue Liu ◽  
Wei-Nien Su ◽  
John Rick ◽  
Sheng-Chiang Yang ◽  
Chun-Jern Pan ◽  
...  

Ni/La2O3 nanocatalyst with strong interactions, compared to Ni/SiO2, generated higher H2 yield by suppressing the methanation reaction and coke deposition.


CrystEngComm ◽  
2021 ◽  
Vol 23 (13) ◽  
pp. 2538-2546
Author(s):  
Min Yang ◽  
Guangshe Li ◽  
Huixia Li ◽  
Junfang Ding ◽  
Yan Wang ◽  
...  

For the first time, the growth behavior with size-dependent Fe occupancies at different sites of MgFe2O4 was examined. Hybrid catalysts of Pt/MgFe2O4 with a support size of 20.6 nm exhibited an optimal performance of CO oxidation.


1997 ◽  
Vol 167 (2) ◽  
pp. 573-575 ◽  
Author(s):  
Kaidong Chen ◽  
Yining Fan ◽  
Qijie Yan

Nano Energy ◽  
2021 ◽  
pp. 106460
Author(s):  
Dongxing Tan ◽  
Bari Wulan ◽  
Xueying Cao ◽  
Jintao Zhang

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