Mg-Al hydrotalcite modified with V3+ and/or V5+ cations as precursors of catalysts for oxidative.

• Autorzy: Węgrzyn A. , Kuśtrowski P. , Rafalska-Łasocha A. , Dziembaj R.
• Konferencja: IV International Conference Catalysis and Adsorption in Fuel Processing and Environmental Protection, September 18-21, 2002, Kudowa Zdrój, Poland
• Języki publikacji: EN

Abstrakty

EN

The chemical composition of Mg-Al hydrotalcite was modified either by introduction of V3+ cations into the brucite-like sheets of double layered hydroxide or by exchange of the interlayer NO3- and CO32- anions with polyoxovanadate species. Pyrovanadate (V2O74-) and decavanadate (V10O286-) intercalated into Mg-Al hydrotalcite were obtained from the parent aqueous NH4VO3 solution by adjustment of pH to the value of 9.5 or 4.5, respectively. All the as-synthesized samples were characterized with respect to their structure by powder x-ray diffraction and IR spectroscopy. The calcined materials were used as catalysts in oxidative dehydrogenation of iso-butane performed in the excess of oxygen.

Słowa kluczowe

EN

hydrotalcite; vanadium containing catalyst; oxidative dehydrogenation; isobutane

• Wydawca: Oficyna Wydawnicza Politechniki Wrocławskiej
• Czasopismo: Prace Naukowe Instytutu Chemii i Technologii Nafty i Węgla Politechniki Wrocławskiej. Konferencje
• Rocznik: 2002
• Tom: Vol. 10, nr 57
• Strony: 253--258
• Opis fizyczny: Bibliogr. 9

Twórcy

autor

Węgrzyn A.

autor

Kuśtrowski P.

autor

Rafalska-Łasocha A.

autor

Dziembaj R.

• Faculty of Chemistry, Jagiellonian University, Ingardena 3, 30-060 Kraków, Poland