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 …

1995年6月1日 · The reducibilities of NiO over these catalysts were investigated by the temperature-programmed reduction (TPR) technique. For impregnated Ni Al 2 O 3 catalysts, …

2022年5月4日 · Catalyst with low reduction temperature and large H 2 consumption in the H 2 temperature-programmed reduction (H 2-TPR) profile showed high CO conversion.

1995年6月1日 · 摘要 采用初湿浸渍法和共沉淀法制备了两种不同金属负载量的NiO Al 2 O 3 催化剂。通过程序升温还原 (TPR) 技术研究了 NiO 在这些催化剂上的还原性。对于浸渍的 Ni Al 2 O …

2015年11月1日 · Ni-based catalysts with different supports were prepared and characterized by N 2 physisorption, XRD, H 2 -TPR, H 2 chemisorption, and so on; the effect of support on the …

Temperature-programmed reduction (TPR) has been employed to study the reducibility of Ni-Mo/γ-Al catalysts (0-5 wt% NiO; 12 wt% MoO) calcined at temperatures () between 400 and …

2020年12月1日 · 原位 XRD 研究表明 NiO-CuO 的还原开始于氧化铜的还原，这可以通过 TPR-H2 曲线中的一个尖锐的氢吸收峰来证明。 详细研究了 H2 还原 CuO、NiO 和 CuO-NiO 氧化物的 …

Ni/KIT-6 catalysts loaded with different amounts of metallic Ni were prepared by impregnation method. The prepared catalysts and their precursors were investigated through wide- and low …

The influences of calcination temperature (673–1273 K), treatment time (1–48 h) and Ni loading (2.8–18 wt %) on NiO reduction have been evaluated. The TPR profiles of Ni/MgO catalysts …

Supported Ni catalysts are prepared by water impregnation, ammonia impregnation and ammonia impregnation combined with dielectric-barrier discharge (DBD) method. The catalyst prepared …