This text introduces several technological process of making 2,3-Butanedione.The method of H_2O_2 catalytic oxidation is improved and the yield of 2,3-Butanedione can reach 40% and above.

• 介绍制备丁二酮的几种工艺路线，对双氧水催化法进行了改进，丁二酮收率达40%25以上。