A new technique employing modified zirconium oxide to replace the concentrated sulfuric acid as catalyst in synthesis butyl lactate is studied.The result is satisfied.The yield rate reaches 85%.

• 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丁酯的新工艺进行了试验探索，取得了满意效果，合格产品收率达85%25以上。