Catalyst composition free from noble metals

Details Catalyst composition free from noble metals Catalyst composition free from noble metals

B - Operations, Transporting

01

J

B01J 27/18 (2006.01) B01J 27/24 (2006.01) B01J 37/02 (2006.01) C01B 15/029 (2006.01) C07B 33/00 (2006.01) C07C 37/60 (2006.01) C07C 39/04 (2006.01) C07D 301/08 (2006.01) C07D 301/12 (2006.01) C07D 303/04 (2006.01)

Patent

CA 2248545

The invention concerns a catalyst composition which is free from noble metals and is obtained by: a) preparing an aqueous mixture which comprises: i) a salt of at least one base metal selected from elements having the atomic numbers 21 to 32, 39 to 42, 48 to 51, 57 to 75 and 81 to 83; ii) phosphate ions; and iii) at least one nitrogen source; and b) concentrating the aqueous mixture produced and drying the resultant catalyst compound. The invention further concerns the preparation of this composition and its use in the production of hydrogen peroxide and the epoxidation of olefins.

L'invention concerne une composition de catalyseur dépourvue de métaux précieux et s'obtenant par: a) préparation d'un mélange aqueux comprenant: i) un sel d'au moins un métal de base choisi parmi des éléments ayant les numéros atomiques 21 à 32, 39 à 42, 48 à 51, 57 à 75 et 81 à 83; ii) des ions phosphate; et iii) au moins une source d'azote; et b) concentration du mélange aqueux produit et séchage du composé catalyseur résultant. L'invention concerne également la préparation de cette composition et son utilisation dans la production de peroxyde d'hydrogène et l'époxydation d'oléfines.

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