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Surface activation of mesoporous ordered silica materials by aluminum and cobalt, their characterization and catalytic activity for N2O decomposition

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61989100%3A27360%2F14%3A86093401" target="_blank" >RIV/61989100:27360/14:86093401 - isvavai.cz</a>

  • Alternative codes found

    RIV/61989100:27710/14:86093401

  • Result on the web

  • DOI - Digital Object Identifier

Alternative languages

  • Result language

    angličtina

  • Original language name

    Surface activation of mesoporous ordered silica materials by aluminum and cobalt, their characterization and catalytic activity for N2O decomposition

  • Original language description

    Three different mesoporous ordered silica materials such as MCM-41, MCM-41 with grafted and incorporated aluminum and SBA-15 were prepared by the molecular designed dispersion method (MDD). In further step, cobalt (1-16 wt%) was used as an active transition metal for the catalytic reaction of N2O decomposition. The possible interaction of acetylacetonate complexes as precursors with support surfaces by hydrogen bonding versus ligand exchange mechanism were tested by infrared spectroscopy and thermogravimetric analysis. Prepared catalysts were characterized by nitrogen sorption, electron-probe microanalysis, energy dispersive X-ray analysis, X-ray diffraction, scanning electron microscopy, UV-vis-DR spectroscopy, temperature programmed reduction of hydrogen and temperature programmed desorption of ammonia. The N2O conversion slightly increased with the higher content of aluminum. The role of different supports influencing the properties of active sites created by cobalt ions is discusse

  • Czech name

  • Czech description

Classification

  • Type

    O - Miscellaneous

  • CEP classification

    CI - Industrial chemistry and chemical engineering

  • OECD FORD branch

Result continuities

  • Project

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

  • Continuities

    P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)<br>S - Specificky vyzkum na vysokych skolach

Others

  • Publication year

    2014

  • Confidentiality

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