Zobrazeno 1 - 10
of 42
pro vyhledávání: '"Karolina Chalupka"'
Autor:
Renata Sadek, Karolina Chalupka-Spiewak, Jean-Marc Krafft, Yannick Millot, Laetitia Valentin, Sandra Casale, Jacek Gurgul, Stanislaw Dzwigaj
Publikováno v:
Catalysts, Vol 12, Iss 12, p 1644 (2022)
Three series of zeolite catalysts Co all-silica and Co Al-containing zeolites beta were prepared for use in the selective oxidative dehydrogenation of propane to propylene. Two series of zeolite catalysts Co all-silica were prepared by a two-step pos
Externí odkaz:
https://doaj.org/article/3331996a317c467385d7dbb128a6c9f0
Autor:
Pawel Mierczynski, Lukasz Szkudlarek, Karolina Chalupka, Waldemar Maniukiewicz, Satriyo K. Wahono, Krasimir Vasilev, Malgorzata I. Szynkowska-Jozwik
Publikováno v:
Materials, Vol 14, Iss 9, p 2415 (2021)
This work provides valuable information about unexplored catalytic systems tested in the transesterification reaction of vegetable oil with methanol. It was demonstrated that natural zeolite treatment leads to enhanced catalytic activity and yield of
Externí odkaz:
https://doaj.org/article/dd736239953e441ea50aa73a4040cde9
Autor:
Pawel Mierczynski, Magdalena Mosińska, Lukasz Szkudlarek, Karolina Chalupka, Misa Tatsuzawa, Marwa Al Maskari, Waldemar Maniukiewicz, Satriyo K. Wahono, Krasimir Vasilev, Malgorzata I. Szynkowska-Jozwik
Publikováno v:
Materials, Vol 14, Iss 1, p 48 (2020)
Biodiesel production from rapeseed oil and methanol via transesterification reaction facilitated by various monometallic catalyst supported on natural zeolite (NZ) was investigated. The physicochemical characteristics of the synthesized catalysts wer
Externí odkaz:
https://doaj.org/article/446c2e7e30674f1d8e693dbebaba5af3
Autor:
Magdalena Mosinska, Natalia Stepinska, Karolina Chalupka, Waldemar Maniukiewicz, Malgorzata I. Szynkowska, Pawel Mierczynski
Publikováno v:
Catalysts, Vol 10, Iss 8, p 855 (2020)
This work presents, for the first time, the catalytic studies of bimetallic Ag-Ni catalysts in the oxy-steam reforming (OSR) of liquefied natural gas (LNG) to hydrogen generation. The physicochemical properties of monometallic Ni and bimetallic catal
Externí odkaz:
https://doaj.org/article/34df74a05e054c6d8069e6133ffd414b
Autor:
Pawel Mierczynski, Natalia Stępińska, Magdalena Mosinska, Karolina Chalupka, Jadwiga Albinska, Waldemar Maniukiewicz, Jacek Rogowski, Magdalena Nowosielska, Malgorzata I. Szynkowska
Publikováno v:
Catalysts, Vol 10, Iss 3, p 346 (2020)
Ni catalysts supported on ZrO2, 5%CeO2-ZrO2, and 5%La2O3-ZrO2 were prepared via the impregnation method and tested in the oxy-steam reforming of methane and liquified natural gas (LNG). All tested catalysts exhibited high catalytic activity in the st
Externí odkaz:
https://doaj.org/article/4015a6eb4f4745429f6c6d0d13fc0adc
Autor:
Karolina Chalupka, Renata Sadek, Laetitia Valentin, Yannick Millot, Christophe Calers, Magdalena Nowosielska, Jacek Rynkowski, Stanislaw Dzwigaj
Publikováno v:
Journal of Chemistry, Vol 2018 (2018)
Alkaline Earth metals (Mg, Sr, and Ca) were incorporated into the dealuminated mesoporous beta zeolite (DeAlBeta) by the two-step postsynthesis method. Physicochemical properties of both unmodified and alkaline Earth metal-modified DeAlBeta zeolite w
Externí odkaz:
https://doaj.org/article/8b7fa55b3d9e49cca426f37811f697ed
Autor:
Pawel Mierczynski, Bartosz Dawid, Karolina Chalupka, Waldemar Maniukiewicz, Izabela Witoska, Krasimir Vasilev, Malgorzta I. Szynkowska
Publikováno v:
Catalysts, Vol 9, Iss 7, p 605 (2019)
The main goal of the presented paper is to study the influence of a range of support materials, i.e., multi-walled carbon nanotubes (MWCNTs), Al2O3-Cr2O3 (2:1), zeolite β-H and zeolite β-Na on the physicochemical and catalytic properties in Fischer
Externí odkaz:
https://doaj.org/article/3abf0828ebf740cc8af781e6fc5782d9
Autor:
Stanislaw Dzwigaj, Waldemar Maniukiewicz, Dalil Brouri, Sandra Casale, Jacek Rynkowski, Renata Sadek, Karolina Chalupka, Jacek Gurgul, Pawel Mierczynski, Lukasz Szkudlarek
Publikováno v:
Research on Chemical Intermediates. 47:397-418
Two kinds of microporous and mesoporous NiCoBeta zeolite catalysts were prepared. The effect of bimetallic zeolite preparation method, dealumination degree, the presence of micropores in the support structure and the effect of nickel addition on the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::81bf00e42aee6a47d51efaec4f127e82
https://doi.org/10.1007/s11164-020-04343-0
https://doi.org/10.1007/s11164-020-04343-0
Autor:
Kamila Przybysz, Karolina Chalupka, Sandra Casale, Robert Ryczkowski, Jacek Grams, Renata Sadek, Stanislaw Dzwigaj
Publikováno v:
Energy & Fuels. 34:16936-16947
The main goal of this work was to develop a highly active catalyst in lignocellulosic biomass conversion to hydrogen-rich gas. The studies were focused on the evaluation of an impact of dealuminati...
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::19ca05eb151ef1906fdcf5e1f613098b
https://doi.org/10.1021/acs.energyfuels.0c02958
https://doi.org/10.1021/acs.energyfuels.0c02958
Autor:
Renata Sadek, Jacek Rynkowski, Sandra Casale, Karolina Chalupka, Stanislaw Dzwigaj, Pawel Mierczynski, Yannick Millot, Laetitia Valentin
Publikováno v:
Catalysis Today. 354:109-122
This work deals with the investigation of the influence of the preparation procedure on the activity of microporous and mesoporous CoBeta zeolite in Fischer – Tropsch synthesis (FTS). The series of CoSiBeta, CoAlSiBeta and CoAlBeta zeolites were pr
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::bd4e0136236aadea65f4367fe3c20e3a
https://doi.org/10.1016/j.cattod.2019.05.004
https://doi.org/10.1016/j.cattod.2019.05.004