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Chem Commun (Camb). 2011 Aug 7;47(29):8394-6. doi: 10.1039/c1cc12117k. Epub 2011 Jun 24.

Tuning the surface composition of novel metal vanadates and its effect on the catalytic performance.

Author information

1
Leibniz-Institut für Katalyse e.V. an der Universität Rostock, Albert-Einstein-Str. 29a, D-18059 Rostock, Germany.

Abstract

Tuning the surface composition of metal vanadates using different cations leads to the development of a new class of highly effective catalysts tested in the ammoxidation of 2-methylpyrazine. Especially, an enrichment of V in the near-surface region is beneficial for improved selectivity. With this approach, a knowledge based optimisation of the catalysts was possible for the first time, which indeed led to highly efficient novel LaVO(x) catalysts with a high yield of 2-cyanopyrazine (≥85%) and extremely high space-time-yields (ca. 525 g kg h(-1)).

PMID:
21701755
DOI:
10.1039/c1cc12117k

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