Zobrazeno 1 - 10 of 14 pro vyhledávání: '"Aleksandra Tarka"'
1
On Optimal Barium Promoter Content in a Cobalt Catalyst for Ammonia Synthesis
Autor: Aleksandra Tarka, Magdalena Zybert, Hubert Ronduda, Wojciech Patkowski, Bogusław Mierzwa, Leszek Kępiński, Wioletta Raróg-Pilecka
Publikováno v: Catalysts; Volume 12; Issue 2; Pages: 199
High priority in developing an efficient cobalt catalyst for ammonia synthesis involves optimizing its composition in terms of the content of promoters. In this work, a series of cobalt catalysts doubly promoted with cerium and barium was prepared an
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b63a5f9d8bc60fc73d161b5147f6416c
Zobrazit plný text záznamu
2
Structure Sensitivity of Ammonia Synthesis on Cobalt: Effect of the Cobalt Particle Size on the Activity of Promoted Cobalt Catalysts Supported on Carbon
Autor: Magdalena Zybert, Aleksandra Tarka, Wojciech Patkowski, Hubert Ronduda, Bogusław Mierzwa, Leszek Kępiński, Wioletta Raróg-Pilecka
Publikováno v: Catalysts; Volume 12; Issue 10; Pages: 1285
This work presents a size effect, i.e., catalyst surface activity, as a function of active phase particle size in a cobalt catalyst for ammonia synthesis. A series of cobalt catalysts supported on carbon and doped with barium was prepared, characteri
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6ee12a9544f58e9f2e8a3249275b3bc8
https://doi.org/10.3390/catal12101285
Zobrazit plný text záznamu
3
Synergistic Interaction of Cerium and Barium-New Insight into the Promotion Effect in Cobalt Systems for Ammonia Synthesis
Autor: Adam Sarnecki, Piotr Wieciński, Dariusz Moszyński, Wioletta Raróg-Pilecka, Magdalena Zybert, Hubert Ronduda, Wojciech Patkowski, Aleksandra Tarka, Paweł Adamski
Publikováno v: Catalysts
Volume 10
Issue 6
Catalysts, Vol 10, Iss 658, p 658 (2020)
This study explains a co-promoting interaction of cerium and barium additives in a cobalt catalyst used for ammonia synthesis. The results show that a synergistic effect of Ce and Ba promoters in the catalyst is associated with an emergence of a thir
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a4cec748bda3c5620610b6f3c2c83e40
Zobrazit plný text záznamu
4
Cobalt-lanthanum catalyst precursors for ammonia synthesis: determination of calcination temperature and storage conditions
Autor: Bogusław Mierzwa, Magdalena Zybert, Wioletta Raróg-Pilecka, Aleksandra Tarka
Publikováno v: Polish Journal of Chemical Technology, Vol 19, Iss 2, Pp 61-66 (2017)
A thermal decomposition of a cobalt-lanthanum catalyst precursor containing a mixture of cobalt and lanthanum compounds obtained by co-precipitation were studied using thermal analysis coupled with mass spectrometry (TG-MS). Studies revealed that the
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b4aa4a902692aaf55edfab761001fd17
https://doaj.org/article/4b5871b6462b456da9c46a7ca26d6139
Zobrazit plný text záznamu
6
Effect of precipitating agent on the properties of cobalt catalysts promoted with cerium and barium for NH 3 synthesis obtained by co-precipitation
Autor: Jacek Szmurło, Wioletta Raróg-Pilecka, Magdalena Zybert, Bogusław Mierzwa, Zuzanna Kindler, Aleksandra Tarka
Publikováno v: Applied Catalysis A: General. 532:19-25
Cobalt catalysts singly promoted with cerium and doubly promoted with cerium and barium were prepared by co-precipitation using different precipitating agents, i.e. potassium hydroxide or potassium carbonate, subsequent calcination and impregnation.
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::a15bd38b49fe6ff558f10ad0a04b2403
https://doi.org/10.1016/j.apcata.2016.11.030
Zobrazit plný text záznamu
7
An artistic approach to neurofeedback for emotion regulation
Autor: Coralie Joucla, Alexandre Comte, Emmanuel Haffen, Damien Gabriel, Aleksandra Tarka, Julie Giustiniani, Guillaume Bertrand, Thibault Chabin, Nathan Galmes, Thomas Bussière
Neurofeedback has been shown to be a promising tool for learning to regulate one’s own emotions in healthy populations and in neuropsychiatric disorders. While it has been suggested that neurofeedback performance improves when sensory feedback is r
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e1e20692d6b700839bf27f3b513ab931
Zobrazit plný text záznamu
8
Promotion effect of lanthanum on the Co/La/Ba ammonia synthesis catalysts—the influence of lanthanum content
Autor: Leszek Kępiński, Wioletta Raróg-Pilecka, Bogusław Mierzwa, Magdalena Zybert, Aleksandra Tarka
Publikováno v: Applied Catalysis A: General. 515:16-24
The effect of lanthanum content on catalytic properties of cobalt catalysts for ammonia synthesis has been studied. The amount of La in the studied catalysts ranged from 0 to 55.7 wt.%, whereas the barium content was constant (approx. 1.5 mmol g Co
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::577fecf9cbe80fb6967733ca68ecb44c
https://doi.org/10.1016/j.apcata.2016.01.036
Zobrazit plný text záznamu
10
Tuning the catalytic performance of Co/Mg-La system for ammonia synthesis via the active phase precursor introduction method
Autor: Dariusz Moszyński, Adam Sarnecki, Magdalena Zybert, Aleksandra Tarka, Wojciech Patkowski, Leszek Kępiński, Hubert Ronduda, Przemysław J. Jodłowski, Wioletta Raróg-Pilecka
Publikováno v: Applied Catalysis A: General. 598:117553
A series of cobalt catalysts supported on mixed magnesium-lanthanum oxide (Co/Mg-La) was synthesized using various methods of introducing the active phase precursor on the support, i.e. deposition-precipitation (DP), deposition-precipitation using ur
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::c0acfcc9155c031e1103f2f865a4b549
https://doi.org/10.1016/j.apcata.2020.117553
Zobrazit plný text záznamu

Vyhledávací nástroje:

Upřesnit hledání

Omezení vyhledávání
Plný text Recenzováno Digitální knihovna AV ČR
Zdroje