改性氧化锆催化合成乳酸乙酯

Synthesis of Ethyl Lactate catalyzed by Modified Zirconium Oxide

对以改性氧化锆替代传统的浓硫酸作酯化反应催化剂合成乳酸乙酯的工艺进行了试验探索。结果表明，改性氧化锆具有良好的催化性能，催化剂与产物易分离，可再生，反应体系无腐蚀，产品收率达９０％，产品质量符合ＧＢ８３１７－８７标准。

A new technique employing modified zirconium oxide to replace the concentrated sulfuric acid as catalyst in synthesis ethyl lactate is studied.Good catalytic quality is showed and no corrosion presents.Yield rate reaches 90%.Modified zirconium oxide is recyclable and easy to be separated from product.Product quality conforms to GB8317-87.