Fremgangsmåte for fremstilling av en MEL-type titansilikalitt, det oppnådde produkt og anvendelse i katalyse

摘要

The invention concerns a novel method for preparing MEL-type titanium silicalite, the resulting product and its different uses in the field of catalysis. The inventive method for preparing MEL-type titanium silicalite is characterised in that it consists in: impregnating an amorphous xerogel (TiO2-SiO2) comprising at least silicon and titanium elements with a solution comprising at least a structural agent and at least a mobilizer OH<->; the impregnating solution comprising at least an efficient amount of a compound of the type 3,5 dimethylpiperidinium used as structural agent; heating said reaction mixture up to the zeolite crystallisation temperature; then recuperating and calcining the resulting zeolite. The zeolite crystals obtained present a morphology resulting from their preparation method.