SYNTHÈSE D'UN CATALYSEUR À COQUILLE MOVNBTE POUR LA DÉSHYDROGÉNATION OXYDANTE D'ÉTHANE EN ÉTHYLÈNE

摘要

The invention relates to a shell catalyst, which has, in the outer shell, a mixed oxide material, comprising the elements molybdenum, vanadium, niobium and tellurium, characterised in that the shell catalyst has a BET surface area of > 30 m