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- Title
Autothermal Oxidative Coupling of Methane over Pt/Al<sub>2</sub>O<sub>3</sub> Catalysts Doped with Rare Earth Oxides.
- Authors
Schardt, Sven; Ehrlich, Felix; Lott, Patrick
- Abstract
The effect of rare earth oxides as dopants on the Pt‐governed oxidative coupling of methane (Pt‐OCM) is investigated. The addition of 20 wt.‐% of La‐, Nd‐, Sm‐, and Pr‐oxides to the support benefits the C2 product selectivity and offers the potential to enhance the catalyst stability. Compared to the reference catalyst Pt/Al2O3, the addition of Sm2O3 increased the total selectivity by up to 23 %. Furthermore, La2O3 addition was found beneficial with respect to the (thermal) stability of the catalyst. Dopant content variations uncovered that the catalyst formulation with 20 wt.‐% La2O3 represents an optimum regarding performance and stability.
- Subjects
OXIDATIVE coupling; RARE earth oxides; METHANE; CATALYSTS; DOPING agents (Chemistry)
- Publication
Chemie Ingenieur Technik (CIT), 2024, Vol 96, Issue 6, p840
- ISSN
0009-286X
- Publication type
Article
- DOI
10.1002/cite.202300165