and industry development will shift towards greening and high purification.

2,3-butanediol, also known as 2,3-dihydroxybutane or dimethylene glycol, is a very important chemical raw material. it appears as a colorless liquid and is slightly soluble in water, ethanol, ether, acetone is hygroscopic and sensitive to air. 2,3-butanediol is a chiral compound with two chiral carbon atoms in the molecule and three optical isomers. 2,3-butanediol is…