Zeolitic microporous crystalline material with an lta...

C - Chemistry – Metallurgy – 01 – B

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C01B 39/04 (2006.01) B01J 29/035 (2006.01) B01J 29/70 (2006.01) C01B 37/02 (2006.01) C01B 39/14 (2006.01)

Patent

CA 2559112

The invention relates to a material which, once calcined and in the anhydrous state, has general formula x (M1/nXO2): z ZO2: y GeO2: (1-y) SiO2, wherein x has a value of less than 0.2, preferably less than 0.15, and can equal zero; z has a value of between 0 and 0.1, preferably between 0 and 0.05; y has a value of between 0 and 1, preferably between 0 and 0.75; M represents one or more +n- charged inorganic cations; X represents one or more +3 oxidation state chemical elements (Al, B, Ga, Fe); and Z represents one or more +4 oxidation state cations different from silicon and germanium, preferably Ti or Sn. Said material can be used as a component of catalysts in acid catalysis processes or as a metal or oxide support in separation and absorption/adsorption processes.

L'invention concerne une matière qui une fois calcinée et à l'état anhydre répond à la formule générale X(M¿1/n?XO¿2?) : ZO¿2?: y GeO¿2?: (1-y)SiO¿2? dans laquelle x possède une valeur inférieure à 0,2, de préférence inférieure à 0,15 et peut prendre la valeur zéro; z possède une valeur comprise entre 0 et 1, de préférence entre 0 et 0.75,; M représente un ou plusieurs cations inorganiques de charge +n; X représente un ou plusieurs éléments chimiques dans un état d'oxydation +3 (Al, B, Ga, Fe) y Z représente un ou plusieurs cation dans un état d'oxydation +4 différents du silicium et du germanium, de préférence, Ti ou Sn. Cette matière est utile en tant que composant de catalyseurs dans des procédés de catalyse acide, ou comme support de métaux ou d'oxydes, dans des procédés de séparation et d'absorption/adsorption.

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