C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
C07C 2/66 (2006.01) C07C 15/107 (2006.01)
Patent
CA 2346472
This invention is directed to a fluorine-containing mordenite catalyst and use thereof in the manufacture of linear alkylbenzene (LAB) by alkylation of benzene with a paraffin. The paraffin may have from about 10 to 14 carbons. The fluorine-containing mordenite is prepared typically by treatment with an aqueous hydrogen fluoride solution. The benzene alkylation may be conducted using reactive distillation. This invention is also directed to a process for production of LAB having a high 2-phenyl isomer content by combining LAB product from the fluorine-containing mordenite product from a conventional LAB alkylation catalyst such as hydrogen fluoride.
La présente invention concerne un catalyseur à mordénite renfermant du fluor et son emploi dans la fabrication d'alkylbenzènes linéaires (LAB) par alkylation du benzène avec une paraffine. Cette paraffine peut comporter de 10 à 14 atomes de carbone. La mordénite fluorée s'obtient généralement par traitement avec une solution aqueuse de fluorure d'hydrogène. L'alkylation du benzène peut s'effectuer par distillation avec réaction. Cette invention concerne également un procédé de fabrication de LAB à forte teneur en 2-phényl isomère qui consiste à combiner une substance LAB tirée d'un produit mordéenite fluoré et un catalyseur d'alkylation LAB classique tel qu'un fluorure d'hydrogène.
Huntsman Petrochemical Corporation
Smart & Biggar
LandOfFree
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