Improved alkylaromatic production process

Details Improved alkylaromatic production process Improved alkylaromatic production process

C - Chemistry, Metallurgy

07

C

C07C 2/66 (2006.01)

Patent

CA 2675264

The present disclosure provides a process for selectively producing a desired monoalkylated aromatic compound comprising the step of contacting in a reaction zone an alkylatable aromatic compound with an alkylating agent in the presence of catalyst comprising a porous crystalline material under at least partial liquid phase conditions, said catalyst manufactured from extrudate to comprise catalytic particulate material of from about 125 microns to about 790 microns in size, having an Effectiveness Factor increased from about 25% to about 750% from that of the original extrudate, and having an external surface area to volume ratio of greater than about 79 cm-1.

La présente invention concerne un procédé de production sélective d'un composé aromatique monoalkylé souhaité comprenant l'étape consistant à mettre en contact dans une zone réactionnelle, un composé aromatique pouvant être alkylé avec un agent alkylant en présence de catalyseur comprenant un matériau cristallin poreux dans des conditions au moins partielles de phase liquide, ledit catalyseur produit à partir de l'extrudat de façon à comprendre le matériau particulaire catalytique d'une taille d'environ 125 microns à environ 790 microns, ayant un facteur d'efficacité accru d'environ 25 % à environ 750 % par rapport à celui de l'extrudat d'origine et ayant un rapport de surface externe au volume supérieur à environ 79 cm-1.

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