Separation of 3-methyl-2-pentenal from n-butanol by azeotropic d

Details Separation of 3-methyl-2-pentenal from n-butanol by azeotropic d Separation of 3-methyl-2-pentenal from n-butanol by azeotropic d

1999-07-22

2000-03-21

Manoharan, Virginia

Distillation: processes, separatory

Adding material to distilland except water or steam per se

Organic compound

203 58, 203 59, 203 60, 203 63, 203 64, 203 68, 203 70, 203 69, 568492, 568913, B01D 336, C07C 2982, C07C 4584

Patent

active

060398469

ABSTRACT:
3-Methyl-2-pentenal cannot be separated from 1-butanol by conventional rectification because of the proximity of their boiling points. 3-methyl-2-pentenal can be readily separated from n-butanol by azeotropic distillation. Effective agents are dimethoxymethane, petroleum ether and tetramethylortho-silicate.

REFERENCES:
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patent: 4559111 (1985-12-01), Drake
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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