Temperature-programmed reduction of model CuO, NiO and mixed CuO…
2020年12月5日 · Reduction of CuO, NiO and CuO–NiO oxides as model catalytic systems was studied by in situ XRD and TPR-H2. Reduction of CuO–NiO system was found to take place at …
CuO/ZrO2催化剂的程序升温还原和程序升温脱附研究,Applied …
分别通过 H2-TPR、CO-TPR、XRD 和 O2-TPD 揭示和测定了具有不同铜负载量的负载型氧化铜催化剂的还原性和特性。 可以观察到五个 H2-TPR 峰。 结合 X 射线衍射 (XRD) 的观察，三个 …
In situ XRD, Raman, and TPR studies of CuO/Al - ScienceDirect
2005年9月14日 · CuO species and solid–solid interaction in CuO/Al 2 O 3 catalysts were characterized by high-temperature in situ XRD, Raman spectroscopy and H 2-TPR …
H 2-TPR profiles of pure CuO catalysts. - ResearchGate
To identify the influence of Cu-Bi interactions, we also examined the H 2 -TPR of pure CuO samples ( Figure 6) that were calcined at different temperatures to produce CuO particles of...
金属氧化物材料的TPR (程序升温还原)测试-大昌华嘉
2022年8月22日 · 程序升温还原（TPR）测试是表征过渡金属催化剂和金属负载催化剂最重要的方法之一。 通过测试负载金属氧化物的还原温度，可以确定金属催化剂预处理条件下的还原温 …
通过BELCAT测量CuO的H₂程序升温还原 - dksh-instrument.cn
TPR即程序升温还原 (反应)，常用氢气来评价催化剂的还原。 有许多TPR的应用，如Cu负载催化剂 1), 杂多酸 2), 镍基催化剂 3), Bi-Mo氧化物和 Fe-Sb氧化物催化剂 4), 负载V O 5 催化剂 5), …
Reduction of CuO-containing catalysts, CuO: I: TPR and TGA
The activation energies of reduction (57–82 kJ/mol) are those expected for chemical reduction, but it is an important finding that the order with respect to hydrogen partial pressure (0.04) is …
H2-TPR profiles of CuO, Co3O4 and Fe2O3 catalysts
Catalysts were characterized by physical–chemical technics like XRD, H2-TPR, DRS UV–Vis, whose confirmed crystalline phases of CuO, Co3O4 and Fe2O3.
TPR还原实验及耗氢量的计算 - cnpowder.com.cn
该实验使用低浓度还原气 (Ar/H2或N2/H2或CO/He)以一定的程序升温速率，通过催化剂床层，根据热导 (或质谱)检测器，测定各温度点的氢气浓度信号，每一种金属氧化物具有特定的还原温 …
Comparative in Situ DRIFTS-MS Study of 12CO- and 13CO-TPR on CuO…
2009年5月22日 · A ceria-supported copper oxide catalyst has been examined with respect to interaction with CO by means of CO-TPR tests employing a DRIFTS cell as reactor.