Hydrocarbon conversion processes using non-zeolitic...

Details Hydrocarbon conversion processes using non-zeolitic... Hydrocarbon conversion processes using non-zeolitic...

B - Operations, Transporting

01

J

B01J 29/85 (2006.01) B01J 29/83 (2006.01) B01J 37/00 (2006.01) B01J 37/10 (2006.01) C07C 1/20 (2006.01) C10G 3/00 (2006.01)

Patent

CA 2450005

Methods of removing halogen from non-zeolitic molecular sieve catalysts, the catalyst produced from such methods, and the use of such catalysts in hydrocarbon conversion processes. Several processes are disclosed allowing to remove most, if not all, of the halogen contained in the catalysts. The processes comprise steam-treating the catalyst at a temperature of from 400~C to 1000~C. The hydrocarbon conversion processes include the conversion of oxygenates to olefins, the conversion of oxygenates and ammonia to alkylamines, the conversion of oxygenates and aromatic compounds to alkylated aromatic compounds, cracking and dewaxing.

Cette invention concerne des procédés permettant de retirer un halogène de catalyseur à tamis moléculaire non zéolitique, les catalyseurs ainsi produits et l'utilisation de ces catalyseur dans des processus de transformation d'hydrocarbures. Les divers procédés décrits permettent d'extraire la majeure partie, voire la totalité, de l'halogène contenu dans les catalyseurs. Ces procédés passent par le traitement à la vapeur des catalyseurs à une température comprise entre 400 ·C et 1000 ·C. Les processus de transformation d'hydrocarbures consistent à transformer des oxygénats en oléfines, des oxygénats et de l'ammoniac en alkylamines, des oyxgénats et des composés aromatiques en composés aromatiques alkylés, avec craquage et déparaffinage.

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