
H2-TPR profiles of the different Ru based catalysts
Fig. 1 shows the H2-TPR profiles of the different Ru based catalysts. From Fig.1, the TPR profile of Ru/KIT-6 catalyst exhibits a main H2 consumption peak with a maximum located at...
金属–载体强相互作用调控费托合成的反应性能- X-MOL资讯
2020年11月1日 · 通过H 2-TPR、EXAFS、CO脉冲吸附以及CO-DRIFTS等实验表征,发现催化剂经相同温度还原后所形成的金属–载体强相互作用以及Ru物种的还原与Ru的粒径尺寸密切相关 …
Ru-Based Catalysts for H2 Production from Ammonia: Effect of …
2018年11月10日 · Temperature programmed reduction (TPR) profiles of the different 7 wt% Ru catalysts are shown in Fig. 4. TPR curves are deconvoluted with no weighting method. In all …
Effect of Ru loading on Ru/CeO2 catalysts for CO2 methanation
2021年10月1日 · The most active Ru/CeO 2 catalyst (with 2.5 wt.% Ru) is the catalyst where ruthenium cations are reduced at the lowest temperature in H 2-TPR experiments (even at …
H 2-TPR profiles of the bulk and supported RuO 2 catalysts.
H 2-TPR profiles of the bulk and supported RuO 2 catalysts. [...] Several Ru-Ti oxide-based catalysts were investigated for the catalytic oxidation of HCl to Cl2 in this work. The active...
H2-TPR of the different morphologies of 2.5%Ru/CeO2 catalysts
Three Ru/CeO2 catalysts with different morphologies of CeO2 (cube spheres, microspheres and nano rods) were used to evaluate the support-morphology-dependent ammonia synthesis …
一文读懂程序升温还原(TPR) - 知乎专栏
H2-TPR表征结果可一定程度反应MnOx,CeOx,CNTs的相互作用对催化剂还原性起到重要作用,直接体现于(NH3-SCR反应)催化剂活性。 (3)离子掺杂前后金属氧化物TPR[5]
Ru/HZSM-5 as an efficient and recyclable catalyst for reductive ...
2020年2月1日 · Ru/HZSM-5(46) exhibits the best catalytic performance of furfurylamine (76 % yield of 2a, entry 1) compared to the Pt, Pd and Rh based catalysts, demonstrating that Ru …
H2-TPR表征结果分析 - 催化 - 小木虫 - 学术 科研 互动社区
H2-TPR表征结果如图所示:1、Ru/Al2O3与紫外灯照射后的Ru/Al2O3(除掉pvp)的比较,出峰位置及强度几乎吻合;2、Ru/Al2O3与单纯的Al2O3+pvp 比较,Al2O3+pvp样品没有还原峰。
The effect of supported Rh, Ru, Pt or Ir nanoparticles on activity …
2020年7月25日 · With this intention, we investigated the effects of the kind of supported metal (Ru, Rh, Pt or Ir), its loading and the kind of promoter (Y 2 O 3, La 2 O 3) for ZrO 2 on the …