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Insight into the true role of hydrogen-carbonate species in CO oxidation over Pd/Al2O3 catalyst using SSITKA-transmission IR technique

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اقرأ أكثر حفظ في قائمتي
  • معلومة اضافية
    • Contributors:
      Unité de Catalyse et Chimie du Solide - UMR 8181 (UCCS); Université d'Artois (UA)-Centrale Lille-Institut de Chimie - CNRS Chimie (INC-CNRS)-Université de Lille-Centre National de la Recherche Scientifique (CNRS)
    • بيانات النشر:
      HAL CCSD
      Elsevier
    • الموضوع:
      2023
    • Collection:
      Université d'Artois: HAL
    • نبذة مختصرة :
      International audience ; The powerful combination of steady state isotopic transient kinetic analysis (SSITKA) and operando infrared spectroscopy (IR) was applied to study the CO oxidation reaction on Pd-supported Al2O3 catalyst at low temperature. The aim was to reveal the true role of hydrogen‑carbonate species in the reaction mechanism. The SSITKA-IR experiments, conducted in presence and absence of CO2 in the gas feed, have confirmed that hydrogen‑carbonate species behave as spectator species in the reaction. Its formation was due to re-adsorption of the CO2 product itself on the alumina surface as confirmed by the direct 12CO2/13CO2 exchange observed on the bare support.
    • Relation:
      hal-04146275; https://hal.univ-lille.fr/hal-04146275; https://hal.univ-lille.fr/hal-04146275/document; https://hal.univ-lille.fr/hal-04146275/file/Insight%20into%20the%20true%20role%20of%20hydrogen%E2%80%91carbonate%20species%20in%20CO%20oxidation%20over%20PdAl2O3%20catalyst%20using%20SSITKA-transmission%20IR%20technique.pdf
    • الرقم المعرف:
      10.1016/j.catcom.2023.106684
    • الدخول الالكتروني :
      https://hal.univ-lille.fr/hal-04146275
      https://hal.univ-lille.fr/hal-04146275/document
      https://hal.univ-lille.fr/hal-04146275/file/Insight%20into%20the%20true%20role%20of%20hydrogen%E2%80%91carbonate%20species%20in%20CO%20oxidation%20over%20PdAl2O3%20catalyst%20using%20SSITKA-transmission%20IR%20technique.pdf
      https://doi.org/10.1016/j.catcom.2023.106684
    • Rights:
      http://creativecommons.org/licenses/by-nc-nd/ ; info:eu-repo/semantics/OpenAccess
    • الرقم المعرف:
      edsbas.FD73CEC4