Selective hydrogenation of acetylene over TiO2-supported PdAg cluster: carbon species effect

RSC Advances ◽  
2016 ◽  
Vol 6 (18) ◽  
pp. 14593-14601 ◽  
Author(s):  
Jian-Hong Liu ◽  
Ling-Dong Meng ◽  
Cun-Qin Lv ◽  
Gui-Chang Wang

The carbon species effects on the behavior of selective hydrogenation over the metal oxide supported palladium-based catalysts were Investigated.

Catalysts ◽  
2019 ◽  
Vol 9 (2) ◽  
pp. 180 ◽  
Author(s):  
Caroline Urmès ◽  
Jean-Marc Schweitzer ◽  
Amandine Cabiac ◽  
Yves Schuurman

The kinetics of the selective hydrogenation of acetylene in the presence of an excess of ethylene has been studied over a 0.05 wt. % Pd/α-Al2O3 catalyst. The experimental reaction conditions were chosen to operate under intrinsic kinetic conditions, free from heat and mass transfer limitations. The data could be described adequately by a Langmuir–Hinshelwood rate-equation based on a series of sequential hydrogen additions according to the Horiuti–Polanyi mechanism. The mechanism involves a single active site on which both the conversion of acetylene and ethylene take place.


Author(s):  
Aizat Aitugan ◽  
Sandugash Tanirbergenova ◽  
Yerbol Tileuberdi ◽  
Onuralp Yucel ◽  
Dildara Tugelbayeva ◽  
...  

RSC Advances ◽  
2016 ◽  
Vol 6 (79) ◽  
pp. 75541-75551 ◽  
Author(s):  
Feng Jiang ◽  
Jian Cai ◽  
Bing Liu ◽  
Yuebing Xu ◽  
Xiaohao Liu

Palladium particles of different sizes obtained directly and indirectly by various methods were studied to clarify the particle size effect in the selective hydrogenation of cinnamaldehyde (CAL).


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