Alkaline characteristics of MgO reduces support's acidity and improves active metal-support interaction, as evaluated by NH3-TPD and H2-TPR. Hydrogenation of nitriles is considered to …

Various concentrations (0.01, 0.03 and 0.05 wt ratios) of graphene oxide (GO) nanosheets were doped into magnesium oxide (MgO) nanostructures using chemical precipitation technique. …

2015年11月1日 · The H2-TPR profile of NiO/MgO catalyst is the quite complex. The reduction of NiO starts at 200°C but is still not completed at 950°C, the end temperature for H2-TPR …

H2-TPR profiles of the commercial MgO, pure (thin line) and loaded with 1% Au wt (thicker line) by DIM. [...] Au was loaded (1 wt%) on a commercial MgO support by three different methods:...

The reducibility of magnesia-supported nickel catalysts and NiO–MgO physical mixture has been studied by the temperature-programmed reduction (TPR) technique in the temperature range …

2003年9月15日 · Thermal programmed reduction (TPR) profiles were recorded on a Micromeritics TPD/TPR 2900 analyser equipped with a thermal conductivity detector. The experimental …

本文制备了一系列Pt/xMo-MgO、Pt/xZr-MgO、Pt/xCe-MgO催化剂，在固定床反应器中通入模拟烟气，考察了不同催化剂种类对NOx催化性能的影响规律，进而运用XRD、BET、SEM、TEM …

2024年2月8日 · For the Ni-containing samples, structure analysis (refinement of the occupancy factor) revealed that Ni 2+ partially replaces Mg 2+ in the MgO structure, resulting in a Mg 1–x …

2009年2月18日 · These catalysts were investigated in CO 2 reforming of methane under atmospheric pressure and characterized with XRD, TPR and H 2 -TPD techniques.

透射电子显微镜和 H2 化学吸附分析表明，当催化剂中添加 MgO 时，ZnO 上存在高度分散的 Ni 纳米颗粒，平均尺寸为 5.7 nm。 TPR 和 EXAFS 分析证明了强烈的 Ni-ZnO 相互作用。