Method for producing alkyl aromatic compounds

C - Chemistry – Metallurgy – 07 – C

Patent

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C07C 2/70 (2006.01) C07C 15/107 (2006.01) C07C 303/06 (2006.01) C07C 309/31 (2006.01)

Patent

CA 2522330

The invention relates to a method for producing alkyl aromatic compounds by reacting C3-30 olefins or alcohols, from which C3-30 olefins are formed under the reaction conditions, with an aromatic hydrocarbon in the presence of an alkylation catalyst. The reaction is carried out in a reactor cascade consisting of at least two reactors, whereby each of the reactors contain the alkylation catalyst, at least 80 % of the aromatic hydrocarbon is fed into the first reactor of the reactor cascade, and at least 40 % of the olefins are fed in an intermediate manner after the first reactor.

L'invention concerne un procédé permettant de produire des composés alkylaromatiques par réaction d'oléfines C¿3-30? ou d'alcools d'où vont résulter des oléfines C¿3-30?, dans les conditions de réaction, avec un hydrocarbure aromatique, en présence d'un catalyseur d'alkylation. Ladite réaction s'effectue dans une cascade de réacteurs comprenant au moins deux réacteurs. Chaque réacteur contient le catalyseur d'alkylation, au moins 80 % de l'hydrocarbure aromatique sont chargés dans le premier réacteur de la cascade de réacteurs et au moins 40 % des oléfines sont chargés de manière intermédiaire après le premier réacteur.

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