Zobrazeno 1 - 10
of 13
pro vyhledávání: '"Karolina Ptaszyńska"'
Autor:
Karolina Ptaszyńska, Anna Malaika, Katarzyna Morawa Eblagon, José Luís Figueiredo, Mieczysław Kozłowski
Publikováno v:
Molecules, Vol 29, Iss 7, p 1623 (2024)
A facile and eco-friendly approach using in situ-generated 4-benzenediazonium sulfonate (BDS) was applied to prepare highly functionalized carbon nanotubes (CNTs). The effectiveness of this functionalization was additionally enhanced by a green and s
Externí odkaz:
https://doaj.org/article/00b262b646564771968ac57c0e1c5564
Publikováno v:
Scientific Reports, Vol 13, Iss 1, Pp 1-13 (2023)
Abstract Carbon fibers (CFs) of high quality were produced from hydrocarbons such as isobutane or ethylene using the catalytic chemical vapor deposition method (CCVD) and Ni catalyst. The as-prepared samples were functionalized with acidic groups usi
Externí odkaz:
https://doaj.org/article/297c02d5ccb444ad81d1c7dbdbd2392a
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:
Scientific Reports, Vol 11, Iss 1, Pp 1-15 (2021)
Abstract Ethylene was thermocatalytically transformed into carbon products via a CCVD process. The filamentous carbon obtained was further modified with concentrated sulfuric acid or 4‐benzenediazonium sulfonate (BDS) to produce acid-type catalysts
Externí odkaz:
https://doaj.org/article/3edfdb40d2074f7483d38ad581048c33
Publikováno v:
Molecules, Vol 28, Iss 18, p 6534 (2023)
The results of sustainable and selective synthesis of glycerol carbonate (GC) from urea and glycerol under ambient pressure using carbon-fiber-supported metal oxide catalysts are reported. Carbon fibers (CF) were prepared via a catalytic chemical vap
Externí odkaz:
https://doaj.org/article/21e3a460958347e19b3ba4df2b657cec
Autor:
Katarzyna Morawa Eblagon, Anna Malaika, Karolina Ptaszyńska, M.Fernando R. Pereira, Mieczysław Kozłowski, José Luís Figueiredo
Publikováno v:
Catalysis Today. 418:114070
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::af541a75ed59da83b590571922b0be06
https://doi.org/10.1016/j.cattod.2023.114070
https://doi.org/10.1016/j.cattod.2023.114070
Publikováno v:
Fuel. 313:122987
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e27329d17832a3eecd2a15d9613e606c
https://doi.org/10.1016/j.fuel.2021.122987
https://doi.org/10.1016/j.fuel.2021.122987
Autor:
K. Morawa Eblagon, Mieczysław Kozłowski, Manuel Fernando R. Pereira, Karolina Ptaszyńska, Anna Malaika, JoséL. Figueiredo
Publikováno v:
Fuel. 304:121381
SO3H-bearing carbons prepared from sugars or glycerol were used as catalysts for the production of acetins via a transesterification route. Two methods of preparation of functionalized carbon catalysts were compared: a) an energy-efficient, one-pot s
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ecf83e4501757136fda8e5453d4f8025
https://doi.org/10.1016/j.fuel.2021.121381
https://doi.org/10.1016/j.fuel.2021.121381
Publikováno v:
Fuel. 288:119609
Sulfonated bio-carbon samples were prepared applying two methodologies: a) sustainable, one-step and low-cost method based on partial carbonization of renewable precursors (common carbohydrates or glycerol) in the presence of sulfuric acid, and b) tw
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::05e6c20868c2e0ba07b904bbcbd1698b
https://doi.org/10.1016/j.fuel.2020.119609
https://doi.org/10.1016/j.fuel.2020.119609
Autor:
Agnieszka Tolińska, Mieczysław Kozłowski, Anna Malaika, Piotr Kirszensztejn, Karolina Ptaszyńska, Beata Krzyżyńska
Publikováno v:
Diamond and Related Materials. 101:107608
Activated carbons from brown coal and pinewood sawdust were prepared and applied in heterogeneous catalytic esterification of acetic acid with ethanol. The precursors were chemically activated with potassium hydroxide and the samples obtained were tr
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::90509ee9900b8a376af947682d14e14b
https://doi.org/10.1016/j.diamond.2019.107608
https://doi.org/10.1016/j.diamond.2019.107608