scholarly journals Selective catalytic reduction of NOx over Cu- and Fe-exchanged zeolites and their mechanical mixture

2019 ◽  
Vol 250 ◽  
pp. 419-428 ◽  
Author(s):  
Houeida Issa Hamoud ◽  
Valentin Valtchev ◽  
Marco Daturi
Keyword(s):  
Selective Catalytic Reduction ◽  
Catalytic Reduction ◽  
Mechanical Mixture ◽  
Reduction Of Nox

scholarly journals Cu- and Fe-speciation in a composite zeolite catalyst for selective catalytic reduction of NOx: insights from operando XAS

2021 ◽  
Author(s):  
Ilia A. Pankin ◽  
Houeida Issa Hamoud ◽  
Kirill A. Lomachenko ◽  
Søren Birk Rasmussen ◽  
Andrea Martini ◽  
...  
Keyword(s):  
Selective Catalytic Reduction ◽  
Absorption Spectroscopy ◽  
Zeolite Catalyst ◽  
Catalytic Reduction ◽  
Mechanical Mixture ◽  
X Ray ◽  
Fe Speciation ◽  
Reduction Of Nox ◽  
Operando Xas ◽  
X Ray Absorption

Cu-SAPO-34 (Cu-CZC) and Fe-mordenite (Fe-MOR) and their mechanical mixture (50 : 50) have been exhaustively investigated by means of operando X-ray absorption spectroscopy under NH3-SCR conditions.

Highly dispersed MnOx–FeOx supported by silicalite-1 for the selective catalytic reduction of NOx with NH3 at low temperatures

2020 ◽  
Vol 10 (16) ◽  
pp. 5525-5534 ◽  
Author(s):  
Jialiang Gu ◽  
Bingjun Zhu ◽  
Rudi Duan ◽  
Yan Chen ◽  
Shaoxin Wang ◽  
...  
Keyword(s):  
Selective Catalytic Reduction ◽  
Low Temperatures ◽  
Catalytic Reduction ◽  
Highly Dispersed ◽  
Reduction Of Nox

MnOx–FeOx-Loaded silicalite-1 catalysts exhibit high NOx conversion at low temperatures.

scholarly journals A study on the selective catalytic reduction of NOx by ammonia on sulphated iron-based catalysts

RSC Advances ◽  
2020 ◽  
Vol 10 (67) ◽  
pp. 40948-40959
Author(s):  
Caixia Liu ◽  
Huijun Wang ◽  
Yalian Bi ◽  
Ziyin Zhang
Keyword(s):  
Selective Catalytic Reduction ◽  
High Temperatures ◽  
Catalytic Reduction ◽  
Reduction Of Nox ◽  
Iron Based ◽  
Iron Based Catalysts

The roles of Fe3+ and SO42− are different at low and high temperatures due to their interaction. It is the appropriate contents of Fe3+ and SO42− that can result in high NH3-SCR activity at varying temperatures.

CeO2-WO3 catalysts for the selective catalytic reduction of NOx with NH3: effect of the amount of WO3

2021 ◽  
Vol 132 (2) ◽  
pp. 655-669
Author(s):  
Jiebing Li ◽  
Jiawen Luo ◽  
Zhongxian Song ◽  
Haiyan Kang ◽  
Yanli Mao ◽  
...  
Keyword(s):  
Selective Catalytic Reduction ◽  
Catalytic Reduction ◽  
Reduction Of Nox
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