Catalytic distillation and hydrogenation of heavy...

Details Catalytic distillation and hydrogenation of heavy... Catalytic distillation and hydrogenation of heavy...

C - Chemistry, Metallurgy

10

G

C10G 70/02 (2006.01)

Patent

CA 2300966

In an olefins plant for the production and recovery of ethylene and propylene, the hydrogenation of the C2 acetylenes, the C3 acetylenes and dienes and the C4 and heavier acetylenes, dienes and olefins and the selective separation of the resulting products is carried out by the use of various arrangements (68, 78, 100, 118) of one or more reaction distillation columns. These columns contain a hydrogenation catalyst (70, 82, 102, 103, 104, 105, 116) in enriching (81) and stripping (83) sections and concurrently perform a catalytic hydrogenation reaction and a distillation function.

Dans des usines d'oléfines produisant et récupérant de l'éthylène et du propylène, l'hydrogénation des acétylènes C2, des diènes et des acétylènes C3 et des diènes, des oléfines et des acétylènes C4 et plus lourds, ainsi que la séparation sélective des produits obtenus sont effectuées à l'aide de divers systèmes (68, 78, 100, 118) d'une ou plusieurs colonnes de distillation de réaction. Ces colonnes contiennent un catalyseur d'hydrogénation (70, 82, 102, 103, 104, 105, 116) dans des sections d'enrichissement (81) et des colonnes de stripping (83) et assurent simultanément une réaction d'hydrogénation catalytique et une fonction de distillation.

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