Zobrazeno 1 - 10
of 128
pro vyhledávání: '"Grzegorz, Słowik"'
Publikováno v:
Molecules, Vol 29, Iss 16, p 3963 (2024)
Fe-modified Cu catalysts with CeO2 support, prepared by the impregnation method, were subjected to physicochemical analysis and catalytic tests in the steam reforming of methanol (SRM). Physicochemical studies of the catalysts were carried out using
Externí odkaz:
https://doaj.org/article/1acdae2b74ea494e80ed90628a662b28
Autor:
Rahma Abid, Bartosz Zawadzki, Jaroslav Kocik, Grzegorz Słowik, Janusz Ryczkowski, Mirosław Krawczyk, Zbigniew Kaszkur, Izabela S. Pieta, Anna Śrębowata
Publikováno v:
Molecules, Vol 29, Iss 14, p 3345 (2024)
Hydrotalcite-derived materials are eco-friendly, cheap, and efficient catalysts of different reactions. However, their application in liquid-phase hydrogenation could be more extensive. Hence, this work concerns the application of three hydrotalcite-
Externí odkaz:
https://doaj.org/article/bdc078f4601145b68cd7af8e7cf9cc61
Autor:
Magdalena Greluk, Marek Rotko, Grzegorz Słowik, Sylwia Turczyniak-Surdacka, Gabriela Grzybek, Katarzyna Tyszczuk-Rotko
Publikováno v:
Materials, Vol 16, Iss 15, p 5377 (2023)
The promotional effect of potassium (~1.25 wt%) on a Co/MnOx catalyst was studied for samples prepared by the impregnation method in the steam reforming of ethanol (SRE) process at 420 °C for a H2O/EtOH molar ratio of 12/1. The catalysts were charac
Externí odkaz:
https://doaj.org/article/5822a1b7f003463fb20536f823d49e56
Autor:
Magdalena Greluk, Marek Rotko, Grzegorz Słowik, Sylwia Turczyniak-Surdacka, Gabriela Grzybek, Kinga Góra-Marek, Andrzej Kotarba
Publikováno v:
Catalysts, Vol 12, Iss 6, p 600 (2022)
The effect of a potassium promoter on the stability of and resistance to a carbon deposit formation on the Ni/MnOx catalyst under SRE conditions was studied at 420 °C for different H2O/EtOH molar ratios in the range from 4/1 to 12/1. The catalysts w
Externí odkaz:
https://doaj.org/article/53018003e4ce4815916cef624d14abc1
Autor:
Gabriela Grzybek, Magdalena Greluk, Karolina Tarach, Kamila Pyra, Grzegorz Słowik, Marek Rotko, Kinga Góra-Marek
Publikováno v:
Frontiers in Materials, Vol 7 (2020)
The ethanol steam reforming (ESR) process over cobalt-based zeolitic catalysts, differing significantly in the structure, was comprehensively examined. The cobalt spinel phase (10 wt%) was deposited on the surface of USY and ZSM-5 zeolites (Si/Al rat
Externí odkaz:
https://doaj.org/article/5f831ef4a3ff4ee2a4cf3d12daeee29e
Autor:
Elżbieta Grządka, Ewelina Godek, Grzegorz Słowik, Agnieszka Kowalczuk, Jakub Matusiak, Urszula Maciołek
Publikováno v:
International Journal of Molecular Sciences, Vol 23, Iss 6, p 3051 (2022)
The influence of star-shaped (PAA-SS) and linear polyacrylic acid (PAA) with different molecular weights (high—PAA-HMW and low—PAA-LMW) on the structure of the adsorption layer, adsorption amount, electrokinetic and stabilizing properties of the
Externí odkaz:
https://doaj.org/article/b823030dbd874ff0aa7fae4b511dad3d
Autor:
Wojciech Gac, Witold Zawadzki, Magdalena Greluk, Grzegorz Słowik, Marek Rotko, Marcin Kuśmierz
Publikováno v:
Catalysts, Vol 12, Iss 1, p 13 (2021)
The influence of Ce and W promoters on the performance of alumina-supported nickel catalysts in the CO2 methanation reaction was investigated. The catalysts were obtained by the co-impregnation method. Nitrogen low-temperature adsorption, temperature
Externí odkaz:
https://doaj.org/article/4d62e45f439d43fd9537e52b782cdbd1
Autor:
Grzegorz Słowik, Magdalena Greluk
Publikováno v:
Catalysis Letters. 153:1505-1526
Publikováno v:
Materials, Vol 14, Iss 8, p 2082 (2021)
The effect of La content and its incorporation route on physicochemical properties of ZnO/Zn(Al,La)2O4 or La2O3–ZnO/ZnAl2O4 mixed oxides with a spinel structure obtained from ZnAlLa Layered double hydroxides (LDHs) or ex-ZnAl LDH materials was inve
Externí odkaz:
https://doaj.org/article/7a248bcc51ce4f549eab4dc10e5d9285
Publikováno v:
International Journal of Hydrogen Energy. 47:16528-16543