摘要
利用化工流程模拟软件ASPEN对正丁基异氰酸酯蒸馏液进行了精馏理论模拟,并通过精馏实验验证,实现了正丁基异氰酸酯的分离提纯。研究表明,正丁基异氰酸酯反应液蒸馏收率93.9%,含量29%;当间歇精馏装置的塔板数为20块,塔顶温度控制在112~117℃时,间歇精馏收率77.7%,产品气相色谱含量≥99%,核磁共振产物为正丁基异氰酸酯。
The ASPEN was used to calculate on the fractional distilling tower of n-butyl isocyanate solution,and the simulation results are verified by fractional distillation experiments.Finally,the separation and purification of n-butyl isocyanate is realized.The results showed that the distillation yield of n-butyl isocyanate solution was 93.9%and the content was 29%.When the number of plate number of rectifying tower is 20 and the top temperature of rectifying tower is 112~117℃,the fractional distillation yield is 77.7%and the product content is greater than or equal to 99%.
作者
张晓光
卫天琪
毛明珍
黎汉生
吴芹
ZHANG Xiaoguang;WEI Tianqi;MAO Mingzhen;LI Hansheng;WU Qin(Xi’an Modern Chemistry Research Institute,Xi’an 710065,China;School of Chemistry and Chemical Engineering,Beijing Institute of Technology,Beijing 100081,China)
出处
《应用化工》
北大核心
2025年第7期1808-1810,1817,共4页
Applied Chemical Industry
基金
陕西省重点研发计划(2024GX-YBXM-467)。
关键词
正丁基异氰酸酯
精馏
分离提纯
n-butyl isocyanate
fractional distillation
separation and purification
