C - Chemistry – Metallurgy – 01 – B
Patent
C - Chemistry, Metallurgy
01
B
C01B 39/48 (2006.01) B01J 29/04 (2006.01) B01J 29/70 (2006.01) B01J 29/72 (2006.01) C01B 39/06 (2006.01) C10G 35/095 (2006.01) B01J 23/42 (2006.01)
Patent
CA 2346312
This invention concerns a process for synthesizing zeolite with structure type EUO comprising at least one element X selected from silicon and germanium and at least one element T that is selected from among aluminum, iron, boron, titanium, vanadium, zirconium, molybdenum, arsenic, antimony, chromium and manganese, the said process being carried out in the presence of an organic structurant derived from dibenzyldimethylammonium (DBDMA) or its precursors and in the presence of seeds of at least one zeolitic material having the same structure as the zeolite to be synthesized. The zeolite obtained has an X/T ratio of between 5 and 50. It is used as a catalyst, particularly in a process for isomerizing aromatic compounds containing eight carbon atoms per molecule.
La présente invention concerne un procédé de synthèse d'une zéolithe de type structural EUO comprenant au moins un élément X choisi parmi le silicium et le germanium et au moins un élément T choisi parmi l'aluminium, le fer, le gallium, le bore, le titane, le vanadium, le zirconium, le molybdène, l'arsenic, l'antimoine, le chrome et le manganèse, ledit procédé étant réalisé en présence d'un structurant organique dérivé du dibenzyldiméthylammonium (DBDMA) ou de ses précurseurs et en présence de germes d'au moins un matériau zéolithique de même structure que la zéolithe à synthétiser. La zéolithe ainsi obtenue présente un rapport X/T compris entre 5 et 50. Elle est notamment utilisée comme catalyseur, par exemple dans un procédé d'isomérisation des composés aromatiques à 8 atomes de carbone par molécule.
Alario Fabio
Kolenda Frederic
Merlen Elisabeth
Rouleau Loic
Institut Francais Du Petrole
Robic
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