Procedure to prepare multimetallic anionic clays and...

B - Operations – Transporting – 01 – J

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B01J 21/16 (2006.01) B01J 20/12 (2006.01) B01J 37/02 (2006.01)

Patent

CA 2682430

The present invention concerns the preparation of multimetallic anionic clays (AMs), and a method for obtaining a series of mixed multimetallic oxides derived from thermal decomposition of the anionic clays prepared in accordance with the invention. The invention describes the physico-chemical features of the AMs. Since there are a wide range of possible large-scale commercial uses, new processes that provide simple and economically viable alternativesare required, wherein production of the material would take place continuously, and environmental requirements would be met. These materials can be used as basic heterogenous catalysts in pure chemistry reactions, in the field of medicine, for control of SOx and NOx emissions among other uses.

La présente invention concerne la préparation d'argiles anioniques multimétalliques, ainsi qu'un procédé d'obtention d'une série d'oxydes mixtes multimétalliques dérivés de la décomposition thermique des argiles anioniques préparées selon l'invention. Dans la présente invention, des caractéristiques physico-chimiques des argiles anioniques multimétalliques sont décrites. Étant donné qu'il existe un grand nombre d'applications commerciales à grande échelle possibles, de nouveaux procédés offrant des alternative simples et économiquement viables doivent être fournis pour que ce matériau puisse être produit de façon continue, tout en répondant aux exigences environnementales. Ces matériaux peuvent être utilisés comme catalyseurs basiques hétérogènes dans des réactions de chimie fine, dans le domaine de la médecine, notamment pour contrôler les émissions de SOx et de NOx.

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