Boosting the catalytic performance of Co/Mg/La catalyst for ammonia synthesis by selecting a pre-treatment method
Authors:
- Hubert Ronduda,
- Magdalena Zybert,
- Wojciech Patkowski,
- Andrzej Ostrowski,
- Przemysław Jodłowski,
- Damian Szymański,
- Leszek Kępiński,
- Wioletta Raróg-Pilecka
Abstract
The influence of the calcination process on the physicochemical properties and catalytic behavior of the Co/Mg/La catalysts for ammonia synthesis has been investigated. The catalysts were prepared using the different thermal pre-treatment methods prior to the activation, i.e., drying and calcination, and the respective activities for ammonia synthesis were assessed. It was found out that changing from air calcination prior to activation to direct activation of the co-precipitated species led to the different catalytic performances. The most favorable catalytic performance was achieved with Co/Mg/La prepared by calcination in air. Detailed characterization methods, employing e.g., XRPD, H2 -TPD, N2 -TPD, CO2 -TPD, SEM, and TEM, showed that the superior catalytic behavior of this catalyst was attributed to its strong basicity and favorable adsorption properties toward hydrogen and nitrogen.
- Record ID
- CUT5bab25a6566a4df388d8df88fc292ef8
- Publication categories
- ;
- Author
- Journal series
- Catalysts, ISSN , e-ISSN 2073-4344, Monthly
- Issue year
- 2021
- Vol
- 11
- No
- 8
- Pages
- [1-18]
- Article number
- 941
- Other elements of collation
- fot.; tab.; wykr.; Bibliografia (na s.) - 15-18; Bibliografia (liczba pozycji) - 61; Oznaczenie streszczenia - Abstr.; Numeracja w czasopiśmie - Vol. 11, Iss. 8
- Substantive notes
- Section: Catalytic Materials
- Keywords in English
- cobalt catalyst, co-precipitation, calcination, ammonia synthesis
- DOI
- DOI:10.3390/catal11080941 Opening in a new tab
- URL
- https://www.mdpi.com/2073-4344/11/8/941 Opening in a new tab
- Language
- eng (en) English
- License
- Score (nominal)
- 100
- Publication indicators
- = 13
- Additional fields
- Indeksowana w: Web of Science, Scopus
- Uniform Resource Identifier
- https://cris.pk.edu.pl/info/article/CUT5bab25a6566a4df388d8df88fc292ef8/
- URN
urn:pkr-prod:CUT5bab25a6566a4df388d8df88fc292ef8
* presented citation count is obtained through Internet information analysis, and it is close to the number calculated by the Publish or PerishOpening in a new tab system.