C - Chemistry – Metallurgy – 01 – B
Patent
C - Chemistry, Metallurgy
01
B
C01B 37/00 (2006.01) B01J 29/04 (2006.01) B01J 29/89 (2006.01) C01B 39/08 (2006.01) C07D 301/12 (2006.01)
Patent
CA 2342228
The invention relates to a method for producing a titanium silicate with RUT structure, which consists of the following steps: (i) preparation of a mixture of at least one SiO2 source and at least one titanium source; and (ii) crystallization of the mixture prepared in (i) in a pressurized vessel with addition of at least one template compound so that a suspension is obtained. The method is characterized in that amines or ammonium salts suitable for stabilizing cages of the silicate structure [445462] and [44566581] are used as template compound.
L'invention concerne un procédé de production d'un silicate de titane de structure RUT. Ce procédé consiste (i) à produire un mélange composé d'au moins une source de SiO¿2? et d'au moins une source de titane, et (ii) à cristalliser ce mélange (i) dans un réservoir par ajout d'au moins une liaison structurante pour obtenir une suspension. Ce procédé est caractérisé en ce que l'on utilise comme liaison structurantef des amines ou des sels d'ammonium convenant à la stabilisation de cages de la structure silicate (4?4¿5?4¿6?2¿) et (4?4¿5?6¿6?5¿8?1¿).
Gies Hermann
Grosch Georg Heinrich
Kleinsorge Martin
Muller Ulrich
Rieber Norbert
Basf Aktiengesellschaft
Borden Ladner Gervais Llp
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