Cetane upgrading via aromatic alkylation

Details Cetane upgrading via aromatic alkylation Cetane upgrading via aromatic alkylation

C - Chemistry, Metallurgy

10

G

C10G 35/04 (2006.01) C07C 2/64 (2006.01) C07C 2/66 (2006.01) C10G 29/20 (2006.01) C10G 35/095 (2006.01)

Patent

CA 2355679

A process of increasing the cetane index of a distillate pool comprising contacting a first refinery-grade feedstream of an aromatic compounds- containing heavy gasoline or distillate fuel feedstream with a second refinery- grade feedstream containing olefins in the presence of an acidic solid alkylation catalyst under alkylation conditions, wherein both the aromatic- containing feedstream and the olefin-containing feedstream are simultaneously upgraded to suitable fuel products without addition of hydrogen.

La présente invention concerne un procédé visant à augmenter l'index de cétane dans un pool de distillat par la mise en contact d'un premier courant d'alimentation raffiné de carburant lourd ou de mazout contenant des composés aromatiques avec un second courant d'alimentation raffiné contenant des oléfines, en présence d'un catalyseur d'alkylation acide solide dans des conditions d'alkylation. Le courant d'alimentation aromatique et le courant d'alimentation oléfinique sont améliorés de manière simultanée pour produire des carburants adaptés sans ajout d'hydrogène.

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