C - Chemistry – Metallurgy – 01 – B
Patent
C - Chemistry, Metallurgy
01
B
C01B 39/36 (2006.01) C01B 39/38 (2006.01)
Patent
CA 2496895
Process for the preparation of doped pentasil-type zeolite, which process comprises the steps of: a) preparing an aqueous precursor mixture comprising a silicon source, an aluminium source, doped faujasite seeds, and another type of seeding material, and b) thermally treating the precursor mixture to form a doped pentasil-type zeolite. This process results in doped pentasil-type zeolites in a shorter crystallisation time compared to prior art processes.
L'invention concerne un procédé de préparation de zéolithe dopée de type pentasil, qui comprend les étapes consistant: a) à préparer un mélange précurseur aqueux qui comprend une source de silicium, une source d'aluminium, des germes de faujasite dopés, et un autre type de matériau de germination; et b) à traiter thermiquement le mélange précurseur afin que soit formée une zéolithe dopée de type pentasil. Ce procédé permet d'obtenir des zéolithes dopées de type pentasil en un temps de cristallisation plus court par rapport aux procédés de la technique antérieure.
Albermarle Netherlands B.v.
Norton Rose Or S.e.n.c.r.l. S.r.l./llp
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