Method for preparing 1, 3-propylene glycol from 3-chloropropene

The invention relates to a method for preparing 1, 3-propylene glycol from 3-chloropropene, which comprises the steps of hydrolysis, concentration, oxidation, hydrogenation and the like. The preparation process is simple to operate, the reaction condition is mild, the yield reaches 90% or above, and the 1, 3-propylene glycol content of the 1, 3-propylene glycol crude product reaches 30% or above. 本发明涉及一种由3-氯丙烯制备1,3-丙二醇的方法，该制备方法包括水解、浓缩、氧化与氢化等步骤。本发明制备工艺操作简单，反应条件温和，收率达到90％以上，1,3-丙二醇粗品的1,3-丙二醇含量达到30％以上。