| abstract |
(57) [Summary] [Purpose] To produce excellent 1,3-butylene glycol with low odor. [Structure] "In a process for distilling and purifying 1,3-butylene glycol from a reaction mixture obtained by a liquid phase hydrogen reduction method of acetoaldole, a caustic soda is used when performing deboiling distillation. -Purification method of 1,3-butylene glycol by adding at least one compound selected from the group consisting of da, potassium hydroxide, sodium borohydride and potassium borohydride "[Effect] For removing odorous components It was possible to reduce the amount of cut liquid and to produce excellent 1,3-butylene glycol with extremely low odor. |