【作者】 诸富根； 周山花； 靳秀琴； 姜先果；

【Author】 Zhu Fugen Zhou Shanhua Jin Xiuqin Jiang Xianguo (East China University of Science and Technology 200237)

【机构】 华东理工大学；

【摘要】 研究了以廉价异戊醇为原料合成2,3-戊二酮的新工艺,把异戊醇气体、空气、水蒸气均匀混合后通过装有催化剂层的固定床反应器,快速进行氧化和分子重排反应。实验结果表明单程反应收率为 38%,单程转化率在61%,精馏后的产品纯度98%以上,该合成方法具有工艺路线短、设备投资小、生产成本低的优势。更多还原

【Abstract】 A novel technology synthesizing 2,3-pentanedione from isoamyl alcohol has been researched, wherein the mixture of isoamyl alcohol,air,steam passed a fixed bed catalytic reactor,and proceeded with oxidation and rearrangement reaction rapidly.Experimental results showed that the yield 38%,the fractional conversion 61%,and the purity 98% after rectification,and this method has the advantages of more simple step, less investment and lower cost.更多还原