Zobrazeno 1 - 10
of 169
pro vyhledávání: '"Blanka Wichterlová"'
Publikováno v:
Catalysis Science & Technology. 9:4262-4275
The enhanced effect of strongly acidic proximate protons (distance 5.0–5.5 A) in ZSM-5 was presented on complex propene oligomerization up to the aromatization and development of individual carbenium ion intermediates in the zeolite pores. H-ZSM-5
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ecd07b85df84fc7f218645ae396c34ee
https://doi.org/10.1039/c9cy00929a
https://doi.org/10.1039/c9cy00929a
Autor:
Blanka Wichterlová, Lukas Mokrzycki, Petr Sazama, Veronika Pashkkova, Edyta Tabor, Jiri Dedecek, Petr Klein, Stepan Sklenak, Masaru Ogura
Publikováno v:
Journal of Catalysis. 333:102-114
Al-rich BEA∗ zeolites with Si/Al 4.5 and 5.1, prepared by a template-free synthesis, were compared to a conventional (Si-rich) BEA∗ (Si/Al 11.3) regarding (i) the distribution of Al atoms in the framework, (ii) the behavior of the H-BEA∗ sample
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e74aa624c05ffd1847b3306cdf52a884
https://doi.org/10.1016/j.jcat.2015.10.010
https://doi.org/10.1016/j.jcat.2015.10.010
Autor:
Petr Sazama, Blanka Wichterlová, Radim Pilar, Stepan Sklenak, Jiri Dedecek, Lukasz Mokrzycki, Alena Vondrová, Edyta Tabor
Publikováno v:
Journal of Catalysis. 332:201-211
An Al-rich Co-BEA ∗ zeolite (Si/Al 4.2, Co/Al 0.5) was prepared by organotemplate-free hydrothermal synthesis and [Co(II)(H 2 O) 6 ] 2+ ion exchange. The structure of the Co species and their activity in C 3 H 8 –SCR-NO x were compared to that of
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5bac26a78baa219b7049d133a885f9c2
https://doi.org/10.1016/j.jcat.2015.10.007
https://doi.org/10.1016/j.jcat.2015.10.007
Autor:
Petr Šťastný, Štěpán Sklenák, Galina Sádovská, Petr Sazama, Vasile I. Parvulescu, Natalia Candu, Petr Klein, Blanka Wichterlová, Veronika Pashkova, Jiří Dědeček
Publikováno v:
Journal of Catalysis. 318:22-33
Al-rich template-free BEA* zeolite (Si/Al 4.6) was synthesized and its structure was analyzed in comparison with the conventional H-BEA* zeolite of Si/Al 11.3 using XRD, N2 sorption, SEM, FTIR, 27Al 3Q and 29Si MAS NMR spectroscopy, and DFT calculati
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4b6979c447e900048019c5e421850fd0
https://doi.org/10.1016/j.jcat.2014.06.024
https://doi.org/10.1016/j.jcat.2014.06.024
Autor:
Štěpán Sklenák, Petr Sazama, Blanka Wichterlová, Jiří Dědeček, Petr Šťastný, Petr Klein, Naveen K. Sathu, Alena Vondrová, Edyta Tabor, Zdeněk Sobalík
Publikováno v:
Journal of Catalysis. 312:123-138
The heterogeneity and redox behavior of Fe-cationic species in Fe-ZSM-5 catalysts for N 2 O decomposition and NH 3 -SCR-NO x were analyzed by Mossbauer and UV–Vis spectroscopy, TPR-H 2 , and reaction kinetic measurements. Iron was introduced into Z
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::71b03621a27418dfc520b9e6135c14f7
https://doi.org/10.1016/j.jcat.2014.01.019
https://doi.org/10.1016/j.jcat.2014.01.019
Publikováno v:
Applied Catalysis A: General. 474:178-185
Both the laboratory synthesized zeolites with tailored distribution of framework Al atoms and commercial ZSM-5 zeolites of various proveniences were investigated in a broad region of Si/Al ratio with respect to the distribution of Al atoms in the fra
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::cf60fb1efa9f5983b1b8e65dca205377
https://doi.org/10.1016/j.apcata.2013.07.033
https://doi.org/10.1016/j.apcata.2013.07.033
Autor:
Štěpán Sklenák, Naveen K. Sathu, Zdeněk Sobalík, Blanka Wichterlová, Edyta Tabor, Petr Sazama
Publikováno v:
Journal of Catalysis. 299:188-203
The structure and population of ion-exchanged Fe ions, Fe-oxo species, and Fe-oxo oligomers and Fe2O3 oxide particles and the concentration of acid sites in non-steamed and steamed Fe-ZSM-5 were elucidated using semi-quantitative Mossbauer and FTIR a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::58c0c17820e61c6f32c51ac475171cf0
https://doi.org/10.1016/j.jcat.2012.12.010
https://doi.org/10.1016/j.jcat.2012.12.010
Publikováno v:
Chemistry of Materials
Sets of ZSM-5 zeolites with different distributions of Al atoms in the framework were synthesized from the mixtures of Si/Algel 25–90, varying in the sequence of mixing and using Na-silicate or tetraethoxy orthosilicate as the Si source, AlCl3 or A
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a72d1aed00a10791e3896f8a51830ecc
https://doi.org/10.1021/cm301629a
https://doi.org/10.1021/cm301629a
Publikováno v:
Catalysis Reviews
Siting of Al atoms in the framework T sites, in zeolite rings and channel/cavity system, and the distribution of Al atoms between single Al atoms and close Al atoms in various Al-O-(Si-O)n-Al sequences in Si-rich zeolites represent key parameters con
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::23735e782f2506bae50e6731dc480b47
https://doi.org/10.1080/01614940.2012.632662
https://doi.org/10.1080/01614940.2012.632662
Autor:
Jana Nováková, Zdenek Sobalik, Petr Stastny, Naveen K. Sathu, Jiri Dedecek, Edyta Tabor, Blanka Wichterlová, Petr Sazama
Publikováno v:
Microporous and Mesoporous Materials. 146:172-183
Two parent ferrierites with similar Si/Al ratio (8.5 and 10.5), a commercial and a laboratory specimen with different distribution of Al atoms in the framework, were used for the preparation of model Fe-ferrierite catalysts for N2O decomposition. As
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::eae7a8dcce120e4e2146e53fbcf12f79
https://doi.org/10.1016/j.micromeso.2011.05.004
https://doi.org/10.1016/j.micromeso.2011.05.004