己内酰胺生产中贝克曼转位工艺的改进

Improvement of Beckmann rearrangement in hexanolactam production

通过对己内酰胺生产中贝克曼转位反应机理的研究 ,改进了工艺流程中贝克曼转位反应系统 ,将原设计中的一步转位反应改造成为两步转位反应。改造后工艺数据稳定 ,产品质量提高 ,消耗降低 。

The reaction system of Beckmann rearrangement in hexanolactam production Is improved based on researching the reaction mechanism. After reforming one step Beckmann rearrangement to two step one, the technical data is steady, the quality of product is improved and the consumption is reduced, so the economic benefits are obivous. [