Zobrazeno 1 - 10 of 27 pro vyhledávání: '"Monika Fedyna"'
1
Akademický článek
Mesoporous Silica MCM-41 from Fly Ash as a Support of Bimetallic Cu/Mn Catalysts for Toluene Combustion
Autor: Jakub Mokrzycki, Monika Fedyna, Dorota Duraczyńska, Mateusz Marzec, Rafał Panek, Wojciech Franus, Tomasz Bajda, Robert Karcz
Publikováno v: Materials, Vol 17, Iss 3, p 653 (2024)
The main outcome of this research was to demonstrate the opportunity to obtain a stable and well-ordered structure of MCM-41 synthesized from fly ash. A series of bimetallic (Cu/Mn) catalysts supported at MCM-41 were prepared via grinding method and
Externí odkaz: https://doaj.org/article/5cc333334cf848459fa7ba2ee94d29b1
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2
Akademický článek
Promotional Effect of Pd Addition on the Catalytic Activity of Composite Pt-Pd/AlSBA-15–β Catalyst for Enhanced n-Heptane Hydroisomerization
Autor: Karolina Jaroszewska, Monika Fedyna, Aleksandra Masalska, Rafał Łużny, Janusz Trawczyński
Publikováno v: Catalysts, Vol 11, Iss 3, p 377 (2021)
Hierarchical AlSBA-15–zeolite materials were utilized as a supports for preparing hydroisomerization catalysts. Detailed consideration was given to: (i) the effect of the zeolite type introduced into AlSBA-15–zeolite composites (where zeolite is
Externí odkaz: https://doaj.org/article/8745bc646b2047d5a198d29e17a1c0e9
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4
Akademický článek
Soot Combustion over Niobium-Doped Cryptomelane (K-OMS-2) Nanorods—Redox State of Manganese and the Lattice Strain Control the Catalysts Performance
Autor: Piotr Legutko, Joanna Gryboś, Monika Fedyna, Janusz Janas, Anna Wach, Jakub Szlachetko, Andrzej Adamski, Xuehua Yu, Zhen Zhao, Andrzej Kotarba, Zbigniew Sojka
Publikováno v: Catalysts, Vol 10, Iss 12, p 1390 (2020)
A series of Nb-doped (0–23 wt%) cryptomelane catalyst (Nb-K-OMS-2) was synthesized and thoroughly characterized by XRD, TEM/EDX, XRF, XPS, XAS, UV-Vis, and Raman techniques corroborated by the work function measurements. The obtained catalysts were
Externí odkaz: https://doaj.org/article/a7eb1015186548e7849ee9071dff3162
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5
Analysis of NH 3 ‐TPD Profiles for CuSSZ‐13 SCR Catalyst of Controlled Al Distribution – Complexity Resolved by First Principles Thermodynamics of NH 3 Desorption, IR and EPR Insight into Cu Speciation**
Autor: Piotr Pietrzyk, Edyta Tabor, Kinga Mlekodaj, Kinga Góra-Marek, Bartosz Mozgawa, Zbigniew Sojka, Monika Fedyna, Zhen Zhao, Filip Zasada, Jiří Dědeček
Publikováno v: Chemistry – A European Journal. 27:17159-17180
NH3 temperature-programmed desorption (NH3 -TPD) is frequently used for probing the nature of the active sites in CuSSZ-13 zeolite for selective catalytic reduction (SCR) of NOx . Herein, we propose an interpretation of NH3 -TPD results, which takes
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::2531ee3c349eb5292e5b2455b1ff7dfd
https://doi.org/10.1002/chem.202102790
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