Method for recovering crude 1,3-butadiene by extractive...

Details Method for recovering crude 1,3-butadiene by extractive... Method for recovering crude 1,3-butadiene by extractive...

2007-06-05

2007-06-05

Manoharan, Virginia (Department: 1764)

Distillation: processes, separatory

With measuring, testing or inspecting

Of temperature or pressure

C203S043000, C203S050000, C203S098000, C203SDIG016, C585S810000, C585S833000, C585S615000

Reexamination Certificate

active

10467626

ABSTRACT:
A process for recovering crude 1,3-butadiene from a C4fraction by extractive distillation using a selective solvent in a dividing wall column (TK) in which a dividing wall (T) is arranged in the longitudinal direction of the column to form a first subregion (A), a second subregion (B) and a lower common column region (C) and which is preceded by an extractive scrubbing column (K) is proposed.

REFERENCES:
patent: 4162198 (1979-07-01), Stockburger et al.
patent: 4292141 (1981-09-01), Lindner et al.
patent: 6348637 (2002-02-01), Harris
patent: 6395950 (2002-05-01), Rice
patent: 6395951 (2002-05-01), Hamm
patent: 27 24 365 (1978-11-01), None
patent: 100 22 465 (2001-11-01), None

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