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Acid and redox activity of template-free Al-rich H-BEA* and Fe-BEA* zeolites

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61388955%3A_____%2F14%3A00432631" target="_blank" >RIV/61388955:_____/14:00432631 - isvavai.cz</a>

  • Result on the web

    <a href="http://dx.doi.org/10.1016/j.jcat.2014.06.024" target="_blank" >http://dx.doi.org/10.1016/j.jcat.2014.06.024</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.1016/j.jcat.2014.06.024" target="_blank" >10.1016/j.jcat.2014.06.024</a>

Alternative languages

  • Result language

    angličtina

  • Original language name

    Acid and redox activity of template-free Al-rich H-BEA* and Fe-BEA* zeolites

  • Original language description

    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 calculation of the deprotonation energies. The Al-rich H-BEA* exhibited a high concentration of Br?nsted and Lewis sites, both of high acid strength, although AlSiAl sequences were present in the framework. In Al-rich Fe-BEA* the exchanged Fe ions, Fe-oxo species, and Fe-oxo oligomers were identified by UV-vis spectroscopy. Cracking of n-decane, alkylation of benzene with benzyl alcohol and hydroamination of styrene with aniline to (anti)Markovnikov phenyl-[2-phenylethyl]amine over H-BEA *, and decomposition of N2Oand NH 3-SCR-NOx over Fe-BEA* were investigated in relation to the concentration and nature of acid and Fe-redox sites. The high concentration of Al-related active sites and the highly regular structure of Al-rich beta zeolite are directl

  • Czech name

  • Czech description

Classification

  • Type

    J<sub>x</sub> - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)

  • CEP classification

    CF - Physical chemistry and theoretical chemistry

  • OECD FORD branch

Result continuities

  • Project

    Result was created during the realization of more than one project. More information in the Projects tab.

  • Continuities

    I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Others

  • Publication year

    2014

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Data specific for result type

  • Name of the periodical

    Journal of Catalysis

  • ISSN

    0021-9517

  • e-ISSN

  • Volume of the periodical

    318

  • Issue of the periodical within the volume

    OCT 2014

  • Country of publishing house

    US - UNITED STATES

  • Number of pages

    12

  • Pages from-to

    22-33

  • UT code for WoS article

    000343360800003

  • EID of the result in the Scopus database