Crystalline metallophosphates

C - Chemistry – Metallurgy – 01 – B

Patent

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Details

C01B 25/36 (2006.01) B01J 29/84 (2006.01) B01J 29/85 (2006.01) C01B 37/04 (2006.01) C01B 37/08 (2006.01) C07C 2/12 (2006.01) C07C 2/58 (2006.01) C07C 2/66 (2006.01) C07C 4/06 (2006.01) C07C 4/08 (2006.01) C07C 5/02 (2006.01) C07C 5/22 (2006.01) C07C 5/31 (2006.01) C07C 5/41 (2006.01) C07C 6/02 (2006.01) C07C 6/12 (2006.01) C10G 11/05 (2006.01) C10G 47/18 (2006.01)

Patent

CA 2248668

Microporous crystalline metallophosphate composition having an essential framework structure identified by the characteristic X-ray powder diffraction reflections given in Table I, and whose chemical composition in the calcined anhydrous form expressed in terms of mole ratios of oxides is: (M x Al y P z)O2 where M is silicon, x+y+z=1, and where x, y and z represent the mole fractions of silicon, aluminium and phosphorous present in the product, and where x may have a value from 0 to 0.5, y may have a value from 0.25 to 0.5 and z may have a value from 0.25 to 0.5. The invention also describes a method for preparing the products from a reaction mixture which includes both monovalent cations and fluoride.

L'invention concerne une composition de métallophosphates cristallins microporeux dont l'infrastructure est identifiée par les réflexions caractéristiques obtenues par diffractométrie de rayons X sur poudre mentionnés dans le tableau I, et dont la composition chimique sous la forme anhydre calcinée exprimée en termes de rapports molaires entre oxydes est (MxAlyPz)O2 où M représente silicium, x+y+z=1, x, y et z représentant les fractions molaires de silicium, aluminium et phosphore présentes dans le produit; y peut valoir 0 à 0,5, y peut valoir 0,25 à 0,5 et z peut valoir 0,25 à 0,5. L'invention porte aussi sur un procédé de préparation des produits à partir d'un mélange réactionnel contenant à la fois des cations monovalents et du fluorure.

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