Method and device for obtaining 1,3 pure butadiene from 1,3...

Details Method and device for obtaining 1,3 pure butadiene from 1,3... Method and device for obtaining 1,3 pure butadiene from 1,3...

C - Chemistry, Metallurgy

07

C

C07C 11/167 (2006.01) B01D 3/14 (2006.01) B01D 3/28 (2006.01) C07C 7/04 (2006.01)

Patent

CA 2428845

The invention relates to a method for obtaining 1.3 pure butadiene from 1.3 raw butadiene by distillation. Said method is carried out in a separating wall column, wherein a separating wall is arranged in the longitudinal direction of the column in such a manner that it forms a common upper column area, a common lower column area, a feed part and a removal part.

L'invention concerne un procédé pour obtenir du 1,3-butadiène pur à partir de 1,3- butadiène brut par distillation. Ce procédé est réalisé dans une colonne à paroi séparatrice, dans laquelle une paroi séparatrice est disposée dans le sens longitudinal de la colonne, de manière à former une zone supérieure commune, une zone inférieure commune, une partie alimentation et une partie prélèvement.

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