Title:
METHOD FOR PURIFYING 1,3-BUTYLENE GLYCOL
Document Type and Number:
Japanese Patent JPH0710789
Kind Code:
A
Abstract:
PURPOSE: To provide a method for improving yield of an odorless 1,3-butylene glycol.
CONSTITUTION: In carrying out dehydrating distillation in a process for distilling and purifying 1,3-butylene from a reaction mixture obtained by liquid-phase hydrogen reduction method of acetaldol, water is newly added to the head part of a column to purify 1,3-butylene glycol.
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Inventors:
NISHIGUCHI KAZUHISA
Application Number:
JP15385693A
Publication Date:
January 13, 1995
Filing Date:
June 24, 1993
Export Citation:
Assignee:
DAICEL CHEM
International Classes:
C07B63/00; C07C29/80; C07C31/20; (IPC1-7): C07C31/20; C07C29/80
Next Patent: METHOD FOR SEPARATING AND PURIFYING PHENOLS