Separation method using an itq-29 zeolite material

B - Operations – Transporting – 01 – D

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B01D 53/04 (2006.01) B01J 29/035 (2006.01) B01J 29/70 (2006.01) C01B 37/02 (2006.01) C01B 39/04 (2006.01) C07C 7/12 (2006.01)

Patent

CA 2581229

The invention relates to a method of separating the components of a mixture. The inventive method is characterised in that it comprises the following steps: (a) the bringing into contact of the components of a mixture, selected from (i) at least two hydrocarbons, (ii) a mixture containing at least nitrogen and oxygen and (iii) at least one hydrocarbon and water, with an ITQ- 29 zeolite material having a T (IV)/T (III) ratio of greater than 7, whereby T(IV) denotes one or more tetravalent elements and T(III) denotes one or more trivalent elements; (b) preferential absorption of one or more of the components by the ITQ-29 zeolite material; and (c) recovery of one or more of the components, preferably for the separation of hydrocarbon mixtures, such as linear or branched olefins of paraffins.

Procédé de séparation de composants d'un mélange caractérisé en que qu'il comprend: (a) la mise en contact des composants d'un mélange sélectionné entre au moins deux hydrocarbures, un mélange comprenant au moins un azote et un oxygène, et au moins un hydrocarbure et de l'eau, avec une matière zéolitique ITQ-29 présentant un rapport T (IV) /T (III) supérieur à 7, dans lequel T(IV) représente un élément ou des éléments tétravalents et T(III) représente un ou plusieurs éléments trivalents, (b) l'adsorption préférentielle d'un ou plusieurs des composants pour la matière zéolitique ITQ-29 et (c) la récupération d'un ou plusieurs des composants, de préférence dans le but de séparer des mélanges d'hydrocarbures, notamment les oléfines linéaires ou ramifiées de paraffines.

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