Zobrazeno 1 - 10
of 36
pro vyhledávání: '"Pavel Topka"'
Autor:
Květa Jirátová, Petr Soukal, Anna Kapran, Timur Babii, Jana Balabánová, Martin Koštejn, Martin Čada, Jaroslav Maixner, Pavel Topka, Zdeněk Hubička, František Kovanda
Publikováno v:
Catalysts, Vol 13, Iss 3, p 595 (2023)
A novel method for the preparation of Ni-Cu oxide catalysts—deposition on stainless steel meshes using hollow cathode plasma jet sputtering—was studied. This method allows the preparation of thin oxide films. Consequently, the whole volume of the
Externí odkaz:
https://doaj.org/article/5a23ad186af24b509559327141dc1d8a
Publikováno v:
Membranes, Vol 13, Iss 1, p 110 (2023)
Structured catalytic membranes with high porosity and a low pressure drop are particularly suitable for industrial processes carried out at high space velocities. One of these processes is the catalytic total oxidation of volatile organic compounds,
Externí odkaz:
https://doaj.org/article/9380ed708b0542b0b4faa1d83f547d5d
Autor:
Květa Kupková, Pavel Topka, Jana Balabánová, Martin Koštejn, Květuše Jirátová, Jean-Marc Giraudon, Jean-Francois Lamonier, Jaroslav Maixner, František Kovanda
Publikováno v:
Catalysts, Vol 13, Iss 1, p 107 (2023)
The effect of the Co-Cu oxide catalysts composition on their physicochemical properties and performance in the deep oxidation of ethanol was studied. The catalysts with Co:Cu molar ratios of 4:1, 1:1, and 1:4 were obtained by calcination (4 h at 500
Externí odkaz:
https://doaj.org/article/65e1f61dc45941ac966d866ec09def15
Autor:
Květa Jirátová, Martin Čada, Iryna Naiko, Alina Ostapenko, Jana Balabánová, Martin Koštejn, Jaroslav Maixner, Timur Babii, Pavel Topka, Karel Soukup, Zdeněk Hubička, František Kovanda
Publikováno v:
Catalysts, Vol 13, Iss 1, p 79 (2022)
Hollow cathode plasma sputtering is an advantageous method of preparing catalysts in the form of thin oxide films on supports. Such catalysts are particularly suitable for processes such as catalytic total oxidation of volatile organic compounds (VOC
Externí odkaz:
https://doaj.org/article/ac620797d65b431ba49f61708bf4ca7a
Autor:
Květa Jirátová, Roman Perekrestov, Michaela Dvořáková, Jana Balabánová, Martin Koštejn, Martin Veselý, Martin Čada, Pavel Topka, Dana Pokorná, Zdeněk Hubička, František Kovanda
Publikováno v:
Catalysts, Vol 11, Iss 12, p 1453 (2021)
Magnetron sputtering is an advantageous method for preparing catalysts supported on stainless steel meshes. Such catalysts are particularly suitable for processes carried out at high space velocities. One of these is the catalytic total oxidation of
Externí odkaz:
https://doaj.org/article/52f69e11381f479a8a891a5433c55cc1
Autor:
Jana Gaálová, Pavel Topka
Publikováno v:
Catalysts, Vol 11, Iss 7, p 789 (2021)
Due to its excellent oxygen storage capacity, ceria is a well-known oxidation catalyst. However, its performance in the oxidation of volatile organic compounds can be improved by the introduction of gold. Depending on the type of VOC to be oxidized,
Externí odkaz:
https://doaj.org/article/3dc672d75ba947cda649b9ca3441ea5f
Autor:
Květa Jirátová, Roman Perekrestov, Michaela Dvořáková, Jana Balabánová, Pavel Topka, Martin Koštejn, Jiří Olejníček, Martin Čada, Zdeněk Hubička, František Kovanda
Publikováno v:
Catalysts, Vol 9, Iss 10, p 806 (2019)
Catalytic total oxidation is an effective procedure to minimize emissions of volatile organic compounds (VOC) emissions in industrial gases. Catalysts in the form of meshes are remarkable as they minimize the internal diffusion of reactants during th
Externí odkaz:
https://doaj.org/article/6db71e7232b942fd848c2f703cea4528
Autor:
Květa Kupková, Pavel Topka, Jana Balabánová, Martin Koštejn, Květuše Jirátová, Jean-Marc Giraudon, Jean-Francois Lamonier, Jaroslav Maixner, František Kovanda
Publikováno v:
Catalysts
Catalysts, 2023, Catalysts, 13 (1), pp.107. ⟨10.3390/catal13010107⟩
Catalysts; Volume 13; Issue 1; Pages: 107
Catalysts, 2023, Catalysts, 13 (1), pp.107. ⟨10.3390/catal13010107⟩
Catalysts; Volume 13; Issue 1; Pages: 107
International audience; The effect of the Co-Cu oxide catalysts composition on their physicochemical properties and performance in the deep oxidation of ethanol was studied. The catalysts with Co:Cu molar ratios of 4:1, 1:1, and 1:4 were obtained by
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5a5c952fb62df01fd830dd273ae58f07
http://hdl.handle.net/20.500.12210/79342
http://hdl.handle.net/20.500.12210/79342
Autor:
Michaela Dvořáková, Pavel Topka, K. Jiratova, Martin Koštejn, Jana Balabánová, František Kovanda
Publikováno v:
Environmental Science and Pollution Research. 29:5172-5183
The aim of this work was to develop a novel method for the preparation of structured Co-Mn mixed oxide catalysts: deposition on stainless steel meshes by hydrothermal synthesis. The use of meshes enabled the deposition of a thin layer of the active p
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::052968215dfa5a9b69f8ada0762e65dc
https://doi.org/10.1007/s11356-021-15906-y
https://doi.org/10.1007/s11356-021-15906-y
Autor:
Pavel Topka, Vladimír Hejtmánek, Karel Soukup, Frantisek Kastanek, Olga Šolcová, Ivo Hlásenský
Publikováno v:
Environmental Science and Pollution Research. 27:42182-42188
In this study, we report for the first time a novel type of sorbent that can be used for mercury adsorption from the air-based off-gasses—vermiculite impregnated with alkali polysulfides and thiosulfates. In contrast to other sorbents, vermiculite
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::fd5c27e57d7284781562d00578a4a4f1
https://doi.org/10.1007/s11356-020-10696-1
https://doi.org/10.1007/s11356-020-10696-1