Selective catalytic oxidation of ammonia over LaMAl11O19−δ (M = Fe, Cu, Co, and Mn) hexaaluminates catalysts at high temperatures in the Claus process

2020 ◽  
Vol 10 (5) ◽  
pp. 1477-1491 ◽  
Author(s):  
Guoxia Jiang ◽  
Fenglian Zhang ◽  
Zheng Wei ◽  
Zhuo Wang ◽  
Yu Sun ◽  
...  

A method for selective catalytic oxidation of ammonia at high temperature was proposed to remove the ammonia impurity in the Claus process. Cu substituted hexaaluminate catalysts achieved the highest N2 yield at around 520 °C and the reaction followed the i-SCR mechanism.

2018 ◽  
Vol 110 ◽  
pp. 5-9 ◽  
Author(s):  
Magdalena Jabłońska ◽  
Bernd Wolkenar ◽  
Andrew M. Beale ◽  
Stefan Pischinger ◽  
Regina Palkovits

2014 ◽  
Vol 316 ◽  
pp. 36-46 ◽  
Author(s):  
Magdalena Jabłońska ◽  
Anna Król ◽  
Ewa Kukulska-Zajac ◽  
Karolina Tarach ◽  
Lucjan Chmielarz ◽  
...  

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