Mechanistic insight in the propylene derived distinct NO uptake and release behaviors on Pd/SSZ-13 for low-temperature NO adsorption
نویسندگان
چکیده
Pd/SSZ-13 catalysts were investigated for the simultaneous storage of NO and C3H6 at 100 °C. The effects state Pd species on co-adsorption release studied under simulated exhaust conditions. characterized by NH3-TPD, XRD, TEM Pd2+ PdO species. adsorption/release behavior is impacted nature reactants capacity °C was enhanced NO+C3H6 adsorption. DRIFTs results showed that provides adsorption sites to form Pd2+(C3H6)(NO), which alleviates inhibition effect H2O ions. Different behaviors, are discussed in light chemistry intermediate CO, depend whether adsorbed alone or together with C3H6. mechanistic pathways during different stages co-adoption proposed.
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15 صفحه اولABSTRACTS IN PERSIAN Vol.13, No.2
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ژورنال
عنوان ژورنال: Chemical Engineering Journal
سال: 2023
ISSN: ['1873-3212', '1385-8947']
DOI: https://doi.org/10.1016/j.cej.2022.139507