Method for producing butyraldehydes

Details Method for producing butyraldehydes Method for producing butyraldehydes

1995-11-06

1999-02-02

Manoharan, Virginia

Distillation: processes, separatory

And recovering heat by indirect heat exchange

Utilizing recovered heat for heating the distillation zone

203 27, 203 91, 203DIG8, 568492, 568913, 568914, B01D 300, C07C 2728, C07C 4582

Patent

active

058659579

ABSTRACT:
A method for producing butyraldehydes, by separating and purifying mixed butyraldehyde products formed by hydroformylation of propylene, into n-butyraldehyde and isobutyraldehyde by using a distillation column, wherein the distillation column is operated under such conditions that the pressure at the top of the distillation column is within a range of from 0.001 to 0.5 kg/cm.sup.2 G, and the pressure at the bottom of the column is within a range of from 0.05 to 1.0 kg/cm.sup.2 G.

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Olsen, John "Unit Processes and Principles of Chemical Engineering" pp. 1-3.
Chem. Ing. Tech. vol. 66 (1994), No. 7, pp. 916-923, Ernest Wiebus et al, "Die Grosstechnische Oxosynthese Mit Immobilisiertem Katalysator."

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