What is it about?
Effect of Zn(Cr,Y)SiBEA zeolite (Si/Al = 1000) compositions on preferred pathway of CO2-PDH process, and the catalysts’ activity/selectivity in direct propane dehydrogenation (PDH) and reverse water-gas shift reaction (RWGS), has been studied.
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Why is it important?
The balanced acid-base characteristics determine the catalysts' activity and selectivity in both the target process and the component reactions—direct propane dehydrogenation and RWGS. High propene selectivity is observed on Zn2.0SiBEA (94%) and Cr1.0/Zn1.0SiBEA (89.5%) catalysts, thanks to alkane activation on acid-base pair sites and CO2 activation on base sites. This indicates that the primary pathway of the CO2-PDH process on these bifunctional catalysts involves PDH coupled with RWGS.
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This page is a summary of: CO2-assisted propane-to-propene dehydrogenation over Zn(Cr, Y)SiBEA catalysts: insights of the main process pathway, Results in Chemistry, February 2026, Elsevier,
DOI: 10.1016/j.rechem.2025.103027.
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