Separation of 3-methyl-2-pentenal from N-butanol by extractive d

Details Separation of 3-methyl-2-pentenal from N-butanol by extractive d Separation of 3-methyl-2-pentenal from N-butanol by extractive d

1999-07-23

2000-01-25

Manoharan, Virginia

Distillation: processes, separatory

Adding material to distilland except water or steam per se

Organic compound

203 58, 203 60, 203 62, 203 64, 203 65, 568492, 568913, B01D 340, C07L 2984, C07L 4583

Patent

active

060174234

ABSTRACT:
3-Methyl-2-pentenal cannot be separated from n-butanol by conventioal rectification because of the proximity of their boiling points. 3-methyl-2-pentenal can be readily separated from n-butanol by extractive distillation. Effective agents are 1-methyl-2-pyrrolidinone, 1,4-butanediol and phenol.

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patent: 4986885 (1991-01-01), Driscoll et al.
patent: 5064508 (1991-11-01), Weber et al.
patent: 5362918 (1994-11-01), Aizawa et al.
patent: 5756866 (1998-05-01), Rescalli et al.

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