卡尔斯鲁厄理工学院Abhijeet Gaur、丹麦技术大学Martin Høj等报道将调制激发光谱MES(Modulation excitation spectroscopy)与时间分辨XAS表征技术结合对Mo基催化剂与Co促进催化剂作为加氢催化剂的详细催化反应机理,考察了H2S或者H2O影响条件作用对催化位点的催化活性影响。通过调控Co/Mo金属担载量,在含有H2S或者H2O的条件中与400-500 ℃区间内表征反应的瞬态变化情况。
本文要点:
参考文献
Abhijeet Gaur,* Matthias Stehle, Marc-André Serrer, Magnus Zingler Stummann, Camille La Fontaine, Valérie Briois, Jan-Dierk Grunwaldt, and Martin Høj*, Using Transient XAS to Detect Minute Levels of Reversible S‑O Exchange at the Active Sites of MoS2‑Based Hydrotreating Catalysts: Effect of Metal Loading, Promotion, Temperature, and Oxygenate Reactant, ACS Catal. 2022, 12, 633−647
DOI: 10.1021/acscatal.1c04767
https://pubs.acs.org/doi/10.1021/acscatal.1c04767