scholarly journals Mini-Review: Syngas Production Via Partial Oxidation of Methane Reaction and Its Potential Catalyst

2021 ◽  
Vol 6 (2) ◽  
pp. 187
Author(s):  
Silvana Dwi Nurherdiana ◽  
Reva Edra Nugraha ◽  
Rachmad Ramadhan Yogaswara ◽  
Hamzah Fansuri
Keyword(s):  
Partial Oxidation ◽  
Partial Oxidation Of Methane ◽  
Syngas Production ◽  
Oxidation Of Methane

scholarly journals Studies of Nickel/Samarium-Doped Ceria for Catalytic Partial Oxidation of Methane and Effect of Oxygen Vacancy

Catalysts ◽  
2021 ◽  
Vol 11 (6) ◽  
pp. 731
Author(s):  
Andrew C. Chien ◽  
Nicole J. Ye ◽  
Chao-Wei Huang ◽  
I-Hsiang Tseng
Keyword(s):  
Catalytic Activity ◽  
Partial Oxidation ◽  
Partial Oxidation Of Methane ◽  
Catalytic Partial Oxidation ◽  
Doped Ceria ◽  
Syngas Production ◽  
Oxidation Of Methane ◽  
Metal Support Interaction ◽  
Metal Support ◽  
Temperature Programmed

We investigated the performance of nickel/samarium-doped ceria (Ni/SDC) nanocatalysts on the catalytic partial oxidation of methane (CPOM). Studies of temperature-programmed surface reaction and reduction reveal that catalytic activity is determined by a synergistic effect produced by Ni metals and metal-support interaction. Catalytic activity was more dependent on the Ni content below 600 °C, while there is not much difference for all catalysts at high temperatures. The catalyst exhibiting high activities toward syngas production (i.e., a CH4 conversion >90% at 700 °C) requires a medium Ni-SDC interaction with an Sm/Ce ratio of about 1/9 to 2/8. This is accounted for by optimum oxygen vacancies and adequate ion diffusivity in the SDCs which, as reported, also display the highest ion conductivity for fuel cell applications.

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