Sie befinden Sich nicht im Netzwerk der Universität Paderborn. Der Zugriff auf elektronische Ressourcen ist gegebenenfalls nur via VPN oder Shibboleth (DFN-AAI) möglich. mehr Informationen...
Synthesis of Trigonal Mo–V–M3rd–O (M3rd = Fe, W) Catalysts by Using Structure-Directing Agent and Catalytic Performances for Selective Oxidation of Ethane
Ist Teil von
Topics in catalysis, 2016, Vol.59 (17-18), p.1477-1488
Ort / Verlag
New York: Springer US
Erscheinungsjahr
2016
Link zum Volltext
Quelle
Alma/SFX Local Collection
Beschreibungen/Notizen
Crystalline Mo–V–M
3rd
–O (M
3rd
= Fe, W) catalysts (MoVFeO and MoVWO) with trigonal symmetry were successfully obtained by a hydrothermal method in the presence of structure-directing agents (ammonium cation and ethylammonium cation) and their catalytic performances for selective oxidation of ethane were compared with trigonal Mo
3
VO
x
catalyst (MoVO). Fe and W were uniformly distributed throughout the rod-shaped crystals. XRD, Raman, XRD simulation, and Rietveld analysis revealed that MoVFeO contained Fe in a heptagonal channel and W in MoVWO substituted Mo in {Mo
6
O
21
}
6−
pentagonal unit in the structure. MoVWO catalyst showed comparable catalytic activity with MoVO for the selective oxidation of ethane. On the other hand, catalytic performance of MoVFeO was far less compared with those of MoVO and MoVWO. The picture that the catalytic reaction occurs at the specific part in the structure could be visualized.