Zobrazeno 1 - 10
of 18
pro vyhledávání: '"Aleksander Albrecht"'
Autor:
Wojciech Patkowski, Magdalena Zybert, Hubert Ronduda, Aleksander Albrecht, Dariusz Moszyński, Aleksandra Fidler, Piotr Dłużewski, Bogusław Mierzwa, Wioletta Raróg-Pilecka
Publikováno v:
Journal of CO2 Utilization, Vol 80, Iss , Pp 102699- (2024)
Nowadays, ammonia is viewed as the prospective green hydrogen fuel carrier. Yet, there still is a demand for active, energy-efficient NH3 synthesis catalysts to make ammonia use economically viable. This paper studies and discusses lanthanide oxide-s
Externí odkaz:
https://doaj.org/article/1698c8266e014a95882a14f885f824dc
Publikováno v:
Catalysts, Vol 13, Iss 8, p 1158 (2023)
Cobalt molybdenum nitrides are one of the most promising ammonia-synthesis catalysts of the future. However, the selection of the optimal promoter composition is a challenging task. In this paper, the structure–property relationship of ternary coba
Externí odkaz:
https://doaj.org/article/bf6b852ea00c4b96b67c99ae9f2ce670
Autor:
Wojciech Patkowski, Magdalena Zybert, Hubert Ronduda, Gabriela Gawrońska, Aleksander Albrecht, Dariusz Moszyński, Aleksandra Fidler, Piotr Dłużewski, Wioletta Raróg-Pilecka
Publikováno v:
Catalysts, Vol 13, Iss 2, p 405 (2023)
A series of neodymium oxide-supported cobalt catalysts with cobalt content ranging from 10 to 50 wt.% was obtained through the recurrent deposition-precipitation method. The effect of active phase, i.e., metallic cobalt, content on structural paramet
Externí odkaz:
https://doaj.org/article/2ad523ce7f12448da9f82396fe2efe72
Publikováno v:
Materials, Vol 15, Iss 23, p 8309 (2022)
The influence of a magnesium oxide admixture on the activation process and catalytic activity of the iron catalyst with a wustite structure was investigated during the ammonia synthesis reaction. The incorporation of magnesium oxide into wustite grai
Externí odkaz:
https://doaj.org/article/499d5cb3ffc54531a5baf7b4dd75802e
Autor:
Aleksander Albrecht, Dariusz Moszyński
Publikováno v:
Materials, Vol 15, Iss 1, p 143 (2021)
An artificially prepared nanocrystalline iron sample with bimodal crystallite size distribution was nitrided and denitrided in the NH3/H2 atmosphere at 350 °C and 400 °C. The sample was a 1:1 mass ratio mixture of two iron samples with mean crystal
Externí odkaz:
https://doaj.org/article/6c6c80eb460a4508b92b417b9a626b31
Autor:
Hubert Ronduda, Magdalena Zybert, Wojciech Patkowski, Dariusz Moszyński, Aleksander Albrecht, Kamil Sobczak, Artur Małolepszy, Wioletta Raróg-Pilecka
Publikováno v:
RSC Advances. 13:4787-4802
Ca- and Ba-doped Co/MgO–La2O3 ammonia synthesis catalysts: the location, state and effect of dopants on catalyst properties.
Autor:
Hubert Ronduda, Magdalena Zybert, Wojciech Patkowski, Kamil Sobczak, Dariusz Moszyński, Aleksander Albrecht, Adam Sarnecki, Wioletta Raróg-Pilecka
Publikováno v:
RSC Advances. 12:33876-33888
Co supported on mixed MgO–La2O3 oxides as efficient and stable catalysts for ammonia synthesis.
Autor:
Dariusz Moszyński, Aleksander Albrecht
Publikováno v:
Materials
Materials, Vol 15, Iss 143, p 143 (2022)
Materials, Vol 15, Iss 143, p 143 (2022)
An artificially prepared nanocrystalline iron sample with bimodal crystallite size distribution was nitrided and denitrided in the NH3/H2 atmosphere at 350 °C and 400 °C. The sample was a 1:1 mass ratio mixture of two iron samples with mean crystal
Autor:
Paweł Adamski, Aleksander Albrecht, Marlena Nadziejko, Agata Komorowska, Adam Sarnecki, Dariusz Moszyński
Publikováno v:
Open Chemistry, Vol 17, Iss 1, Pp 127-131 (2019)
The influence of chromium compounds on the properties of cobalt molybdenum nitrides was studied. CoMoO4 obtained by precipitation from cobalt and molybdenum salts was modified by the addition of chromium(III) nitrate. A mixture of cobalt-molybdenum n
Autor:
Adam Sarnecki, Marlena Nadziejko, Dariusz Moszyński, Agata Komorowska, Paweł Adamski, Aleksander Albrecht
Publikováno v:
Chemical Papers. 73:851-859
The formation and stability of an ammonia synthesis catalyst, based on cobalt molybdenum nitrides, were studied. The activation process of the catalyst was examined by in situ X-ray diffractometry. The thermal stability of obtained active phase of th