Zobrazeno 1 - 10
of 16
pro vyhledávání: '"Jolanta Kowalska-Kuś"'
Autor:
Jolanta Kowalska-Kuś, Anna Malaika, Agnieszka Held, Aldona Jankowska, Ewa Janiszewska, Michał Zieliński, Krystyna Nowińska, Stanisław Kowalak, Klaudia Końska, Krzysztof Wróblewski
Publikováno v:
Molecules, Vol 29, Iss 17, p 4102 (2024)
Solketal, a widely used glycerol-derived solvent, can be efficiently synthesized through heterogeneous catalysis, thus avoiding the significant product losses typically encountered with aqueous work-up in homogeneous catalysis. This study explores th
Externí odkaz:
https://doaj.org/article/f5c17787037049c6a28fe08a5f20f7a0
Autor:
Agata Tabero, Aldona Jankowska, Adam Ostrowski, Ewa Janiszewska, Jolanta Kowalska-Kuś, Agnieszka Held, Stanisław Kowalak
Publikováno v:
Molecules, Vol 29, Iss 13, p 3239 (2024)
Imidazole molecules entrapped in porous materials can exhibit high and stable proton conductivity suitable for elevated temperature (>373 K) fuel cell applications. In this study, new anhydrous proton conductors based on imidazole and mesoporous KIT-
Externí odkaz:
https://doaj.org/article/97749c2d794d4bc9968f6d9ac55d8cc6
Autor:
Anna Malaika, Jolanta Kowalska-Kuś, Klaudia Końska, Karolina Ptaszyńska, Aldona Jankowska, Agnieszka Held, Krzysztof Wróblewski, Mieczysław Kozłowski
Publikováno v:
Molecules, Vol 28, Iss 24, p 8137 (2023)
Recovered carbon blacks (rCBs) produced from end-of-life tires using pyrolysis were transformed into solid acid catalysts for the synthesis of acetins, i.e., products with a wide spectrum of practical applications. Tuning the chemical properties of t
Externí odkaz:
https://doaj.org/article/c5f5115f390d49f49a96c84b46c7d8d4
Publikováno v:
Journal of Catalysis. 404:231-243
Propane to propene oxide (PO) oxidation over V-containing mesoporous silica of SBA-3 structure has been studied using different oxidants (nitrous oxide, oxygen, and their mixture) in the temperature range 673–773 K. Electron spin resonance spectros
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6414d7d8c591178c3a1e2aad29112720
https://doi.org/10.1016/j.jcat.2021.09.022
https://doi.org/10.1016/j.jcat.2021.09.022
Publikováno v:
RSC Advances. 10:10144-10154
V-containing mesoporous silica with 3D structure was prepared by a hydrothermal procedure using NH4VO3 as the vanadium precursor and with varied reaction mixture pH values (pH = 3 and pH = 5). The combined use of DR UV-vis and H2-TPR techniques confi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4aee7b8cce93795b200cc34262c05a7e
https://doi.org/10.1039/d0ra00349b
https://doi.org/10.1039/d0ra00349b
Publikováno v:
ChemCatChem. 12:510-519
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::03db0b0cfbbcc67fabcf02fa67ad3bcc
https://doi.org/10.1002/cctc.201901270
https://doi.org/10.1002/cctc.201901270
Publikováno v:
Catalysis Letters. 148:2058-2068
Vanadium modified mesocellular silica foams (MCF) materials (V content ca. 3 and 5 wt%) prepared by the impregnation method show mainly isolated or low-polymeric VOx species, which was confirmed by means of Raman spectroscopy and DR UV–Vis. Textura
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ad74e3c893da96054630c2c308ee19e7
https://doi.org/10.1007/s10562-018-2420-6
https://doi.org/10.1007/s10562-018-2420-6
Publikováno v:
Journal of Catalysis. 347:21-35
The influence of potassium ions on the structure and catalytic properties of silica-supported vanadium oxide catalysts was studied in the epoxidation of propene using N 2 O as an oxidant. The combination of different techniques (XRD, DR UV–vis, Ram
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e8349a1488c3a77c7e5d312731577a98
https://doi.org/10.1016/j.jcat.2016.12.001
https://doi.org/10.1016/j.jcat.2016.12.001
Autor:
K. Nowińska, Stanisław Kowalak, Kinga Góra-Marek, Jolanta Kowalska-Kuś, A.M. Szymocha, Ewa Janiszewska
Post-synthesis modification of silicalite-1 (MFI) with solutions of ammonium compounds (NH4F, NH4Cl, NH4NO3, NH4OH) without any additional alkaline agent followed by further thermal treatment appeared a new, facile, and cheap method to generate the a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e93082cd58b62421bd0d9c04548a4ce6
https://ruj.uj.edu.pl/xmlui/handle/item/86078
https://ruj.uj.edu.pl/xmlui/handle/item/86078
Publikováno v:
Journal of Catalysis. 336:23-32
Propane-to-propene oxide oxidation was carried out at 673 and 703 K and for different contact times on vanadium catalyst supported on mesoporous silica of SBA-3 structure in the presence of N 2 O as an oxidant. For comparison, direct propene epoxidat
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::977505bf738667a14225fa37f58b13c2
https://doi.org/10.1016/j.jcat.2015.12.028
https://doi.org/10.1016/j.jcat.2015.12.028