We found a match
Your institution may have access to this item. Find your institution then sign in to continue.
- Title
Influence of preparation effects on 10 wt. %CuO/MnO<sub>x</sub> catalytic activity in the preferential oxidation of CO (CO-PROX).
- Authors
Jokar, Raziyeh; Alavi, Seyed Mehdi; Rezaei, Mehran; Akbari, Ehsan
- Abstract
This study focused on the preparation of 10wt% CuO/MnOx catalysts using three different MnOx supports synthesized via hydrothermal, mechanochemical, and solution combustion methods. The catalysts were evaluated for preferential oxidation of CO for hydrogen purification within a temperature range of 40–250 °C at a gas hourly space velocity of 30000 (ml/(h.gcat)). Characterization of the synthesized catalysts was carried out using X-ray diffraction, Brunauer–Emmett–Teller, H2 temperature-programmed reduction (H2-TPR), and scanning electron microscopy analyses. Results showed that the employed method for the preparation of the catalyst support significantly affects the reduction temperature and the oxidation state of the final catalysts. The 10 wt% Cu/Mn-CMB catalyst exhibited better reducibility, higher CO conversion at 100 °C (94%), and appropriate catalytic stability in the presence of H2O and CO2 compared to the other samples.
- Subjects
CATALYTIC activity; CATALYST supports; METHANATION; COBALT catalysts; TEMPERATURE-programmed reduction; WATER gas shift reactions; HYDROGEN oxidation; OXIDATION states
- Publication
Research on Chemical Intermediates, 2024, Vol 50, Issue 2, p625
- ISSN
0922-6168
- Publication type
Article
- DOI
10.1007/s11164-023-05208-y