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Progress on the design of environmental-friendly catalysts for propane dehydrogenation
发布时间:2025-07-07 18:49    栏目类别:Research News

   Our group synthesized high-performance ZnCoOx oxides supported on Silicalite-1 (S-1) zeolite via a complexation-impregnation method with citric acid. The optimized ZnCoOx catalyst demonstrated a propylene formation rate approximately twice as high as that of monometallic CoOx/S-1 or ZnOx/S-1 catalysts. The kinetic analysis, C3H8-TPSR and in-situ FTIR experiments confirmed that the selective activation ability for propane C‒H bonds of bimetallic CoZnOx species is superior to that of monometallic CoOx and ZnOx catalysts. These features contributed to minimal coke deposition, further improving the catalytic performance.Additionally, reversible transformation between metallic Co0 and ZnCoOx spinel phase under redox conditions accounts for the good regeneration stability of this catalytic system. This work has been published in ACS Catalysis. 

The article links:https://pubs.acs.org/doi/10.1021/acscatal.5c02743





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