A catalyst composition, the method of manufacturing, and the...

B - Operations – Transporting – 01 – J

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B01J 29/70 (2006.01) C07C 2/66 (2006.01)

Patent

CA 2672234

A catalyst composition comprises a crystalline MCM-22 family molecular sieve and a binder, wherein the catalyst composition is characterized by an extra- molecular sieve porosity greater than or equal to 0.122 ml/g for pores having a pore diameter ranging from about 2 nm to about 8 nm, wherein the porosity is measured by N2 porosimetry. The catalyst composition may be used for the process of alkylation or transalkylation of an alkylatable aromatic compound with an alkylating agent. The molecular sieve may have a Constraint Index of less than 12, e.g., less than 2. Examples of molecular sieve useful for this disclosure are a MCM-22 family molecular sieve, zeolite Y, and zeolite Beta.

L'invention concerne une composition de catalyseur comprenant un tamis moléculaire de la famille MCM-22 cristallin et un liant, la composition de catalyseur étant caractérisée par une porosité extérieure au tamis moléculaire supérieure ou égale à 0,122 mL/g pour des pores ayant un diamètre de pore allant d'environ 2 nm à environ 8 nm, la porosité étant mesurée par une porosimétrie à N2. La composition de catalyseur peut être utilisée pour le processus d'alkylation ou de transalkylation d'un composé aromatique pouvant être alkylé avec un agent d'alkylation. Le tamis moléculaire peut avoir un indice de contrainte inférieur à 12, par exemple inférieur à 2. Des exemples de tamis moléculaire utile pour cette description sont un tamis moléculaire de la famille MCM-22, la zéolite Y et la zéolite bêta.

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