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...

2006-11-07

2006-11-07

Manoharan, Virginia (Department: 1764)

Distillation: processes, separatory

With measuring, testing or inspecting

C203S002000, C203S098000, C203S099000, C203S100000, C203SDIG019, C585S615000

Reexamination Certificate

active

07132038

ABSTRACT:
A process for obtaining pure 1,3-butadiene from crude 1,3-butadiene by distillation is carried out in a dividing wall column in which a dividing wall is located in the longitudinal direction of the column to form an upper common column region, a lower common column region, a feed section and an offtake section.

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