Secondary reactions of propylene on Ga/γ-Al2O3 propane dehydrogenation catalysts

Roghayeh Bardool,David P. Dean,Hien N. Pham,Abhaya K. Datye,Sona Raeissi,Mohammad Reza Rahimpour,Jeffery T. Miller

Journal of Catalysis（2023）

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摘要

•High loading of Ga/γ-Al2O3 catalysts have isolated Ga+3 ions bonded to the support.•The intrinsic selectivity of Ga propane dehydrogenation catalysts is near 100%.•For Ga PDH catalysts, light gas products occur by secondary reactions of propylene.•Propane dehydrogenation with Ga catalysts give unexpected C4 and C5 gas products.•At high PDH conversion, secondary reactions give lower the olefin selectivity.

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关键词

Ga propane dehydrogenation,Single site gallium catalyst,Propylene secondary reactions during propane dehydrogenation,Gallium on alumina structure

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